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cef/libcef/browser/browser_host_impl.cc
Marshall Greenblatt 96bd993d99 Update to Chromium version 69.0.3489.0 (#574445)
2018-07-13 15:29:39 -04:00

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// Copyright (c) 2012 The Chromium Embedded Framework Authors.
// Portions copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "libcef/browser/browser_host_impl.h"
#include <string>
#include <utility>
#include "libcef/browser/browser_context_impl.h"
#include "libcef/browser/browser_info.h"
#include "libcef/browser/browser_info_manager.h"
#include "libcef/browser/browser_platform_delegate.h"
#include "libcef/browser/browser_util.h"
#include "libcef/browser/content_browser_client.h"
#include "libcef/browser/context.h"
#include "libcef/browser/devtools_frontend.h"
#include "libcef/browser/devtools_manager_delegate.h"
#include "libcef/browser/extensions/browser_extensions_util.h"
#include "libcef/browser/extensions/extension_background_host.h"
#include "libcef/browser/extensions/extension_system.h"
#include "libcef/browser/extensions/extension_view_host.h"
#include "libcef/browser/extensions/extension_web_contents_observer.h"
#include "libcef/browser/image_impl.h"
#include "libcef/browser/media_capture_devices_dispatcher.h"
#include "libcef/browser/navigate_params.h"
#include "libcef/browser/navigation_entry_impl.h"
#include "libcef/browser/net/chrome_scheme_handler.h"
#include "libcef/browser/net/scheme_handler.h"
#include "libcef/browser/osr/osr_util.h"
#include "libcef/browser/printing/print_view_manager.h"
#include "libcef/browser/request_context_impl.h"
#include "libcef/browser/thread_util.h"
#include "libcef/common/cef_messages.h"
#include "libcef/common/cef_switches.h"
#include "libcef/common/drag_data_impl.h"
#include "libcef/common/extensions/extensions_util.h"
#include "libcef/common/main_delegate.h"
#include "libcef/common/process_message_impl.h"
#include "libcef/common/request_impl.h"
#include "libcef/common/values_impl.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/command_line.h"
#include "chrome/browser/spellchecker/spellcheck_factory.h"
#include "chrome/browser/spellchecker/spellcheck_service.h"
#include "chrome/browser/ui/prefs/prefs_tab_helper.h"
#include "components/zoom/zoom_controller.h"
#include "content/browser/gpu/compositor_util.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/common/view_messages.h"
#include "content/public/browser/desktop_media_id.h"
#include "content/public/browser/download_manager.h"
#include "content/public/browser/download_request_utils.h"
#include "content/public/browser/host_zoom_map.h"
#include "content/public/browser/keyboard_event_processing_result.h"
#include "content/public/browser/native_web_keyboard_event.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_source.h"
#include "content/public/browser/notification_types.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/render_widget_host.h"
#include "content/public/browser/resource_request_info.h"
#include "content/public/common/favicon_url.h"
#include "extensions/browser/process_manager.h"
#include "net/base/net_errors.h"
#include "third_party/blink/public/web/web_find_options.h"
#include "ui/events/base_event_utils.h"
#if defined(OS_MACOSX)
#include "components/spellcheck/browser/spellcheck_platform.h"
#endif
using content::KeyboardEventProcessingResult;
namespace {
const int kUnspecifiedFrameTreeNodeId = -3;
const int kMainFrameTreeNodeId = -2;
const int kUnusedFrameTreeNodeId = -1;
// Associates a CefBrowserHostImpl instance with a WebContents. This object will
// be deleted automatically when the WebContents is destroyed.
class WebContentsUserDataAdapter : public base::SupportsUserData::Data {
public:
static void Register(CefBrowserHostImpl* browser) {
new WebContentsUserDataAdapter(browser);
}
static CefBrowserHostImpl* Get(const content::WebContents* web_contents) {
WebContentsUserDataAdapter* adapter =
static_cast<WebContentsUserDataAdapter*>(
web_contents->GetUserData(UserDataKey()));
if (adapter)
return adapter->browser_;
return nullptr;
}
private:
WebContentsUserDataAdapter(CefBrowserHostImpl* browser) : browser_(browser) {
browser->web_contents()->SetUserData(UserDataKey(), base::WrapUnique(this));
}
static void* UserDataKey() {
// We just need a unique constant. Use the address of a static that
// COMDAT folding won't touch in an optimizing linker.
static int data_key = 0;
return reinterpret_cast<void*>(&data_key);
}
CefBrowserHostImpl* browser_; // Not owned.
};
class CreateBrowserHelper {
public:
CreateBrowserHelper(const CefWindowInfo& windowInfo,
CefRefPtr<CefClient> client,
const CefString& url,
const CefBrowserSettings& settings,
CefRefPtr<CefRequestContext> request_context)
: window_info_(windowInfo),
client_(client),
url_(url),
settings_(settings),
request_context_(request_context) {}
CefWindowInfo window_info_;
CefRefPtr<CefClient> client_;
CefString url_;
CefBrowserSettings settings_;
CefRefPtr<CefRequestContext> request_context_;
};
void CreateBrowserWithHelper(CreateBrowserHelper* helper) {
CefBrowserHost::CreateBrowserSync(helper->window_info_, helper->client_,
helper->url_, helper->settings_,
helper->request_context_);
delete helper;
}
class ShowDevToolsHelper {
public:
ShowDevToolsHelper(CefRefPtr<CefBrowserHostImpl> browser,
const CefWindowInfo& windowInfo,
CefRefPtr<CefClient> client,
const CefBrowserSettings& settings,
const CefPoint& inspect_element_at)
: browser_(browser),
window_info_(windowInfo),
client_(client),
settings_(settings),
inspect_element_at_(inspect_element_at) {}
CefRefPtr<CefBrowserHostImpl> browser_;
CefWindowInfo window_info_;
CefRefPtr<CefClient> client_;
CefBrowserSettings settings_;
CefPoint inspect_element_at_;
};
void ShowDevToolsWithHelper(ShowDevToolsHelper* helper) {
helper->browser_->ShowDevTools(helper->window_info_, helper->client_,
helper->settings_,
helper->inspect_element_at_);
delete helper;
}
// Callback from CefBrowserHostImpl::DownloadImage.
void OnDownloadImage(uint32 max_image_size,
CefRefPtr<CefDownloadImageCallback> callback,
int id,
int http_status_code,
const GURL& image_url,
const std::vector<SkBitmap>& bitmaps,
const std::vector<gfx::Size>& sizes) {
CEF_REQUIRE_UIT();
CefRefPtr<CefImageImpl> image_impl;
if (!bitmaps.empty()) {
image_impl = new CefImageImpl();
image_impl->AddBitmaps(max_image_size, bitmaps);
}
callback->OnDownloadImageFinished(image_url.spec(), http_status_code,
image_impl.get());
}
} // namespace
// CefBrowserHost static methods.
// -----------------------------------------------------------------------------
// static
bool CefBrowserHost::CreateBrowser(
const CefWindowInfo& windowInfo,
CefRefPtr<CefClient> client,
const CefString& url,
const CefBrowserSettings& settings,
CefRefPtr<CefRequestContext> request_context) {
// Verify that the context is in a valid state.
if (!CONTEXT_STATE_VALID()) {
NOTREACHED() << "context not valid";
return false;
}
// Verify that the settings structure is a valid size.
if (settings.size != sizeof(cef_browser_settings_t)) {
NOTREACHED() << "invalid CefBrowserSettings structure size";
return false;
}
// Verify windowless rendering requirements.
if (windowInfo.windowless_rendering_enabled &&
!client->GetRenderHandler().get()) {
NOTREACHED() << "CefRenderHandler implementation is required";
return false;
}
if (windowInfo.windowless_rendering_enabled &&
!CefContext::Get()->settings().windowless_rendering_enabled) {
LOG(ERROR) << "Creating a windowless browser without setting "
"CefSettings.windowless_rendering_enabled may result in "
"reduced performance or runtime errors.";
}
// Create the browser on the UI thread.
CreateBrowserHelper* helper = new CreateBrowserHelper(
windowInfo, client, url, settings, request_context);
CEF_POST_TASK(CEF_UIT, base::BindOnce(CreateBrowserWithHelper, helper));
return true;
}
// static
CefRefPtr<CefBrowser> CefBrowserHost::CreateBrowserSync(
const CefWindowInfo& windowInfo,
CefRefPtr<CefClient> client,
const CefString& url,
const CefBrowserSettings& settings,
CefRefPtr<CefRequestContext> request_context) {
// Verify that the context is in a valid state.
if (!CONTEXT_STATE_VALID()) {
NOTREACHED() << "context not valid";
return nullptr;
}
// Verify that the settings structure is a valid size.
if (settings.size != sizeof(cef_browser_settings_t)) {
NOTREACHED() << "invalid CefBrowserSettings structure size";
return nullptr;
}
// Verify that this method is being called on the UI thread.
if (!CEF_CURRENTLY_ON_UIT()) {
NOTREACHED() << "called on invalid thread";
return nullptr;
}
// Verify windowless rendering requirements.
if (windowInfo.windowless_rendering_enabled &&
!client->GetRenderHandler().get()) {
NOTREACHED() << "CefRenderHandler implementation is required";
return nullptr;
}
CefBrowserHostImpl::CreateParams create_params;
create_params.window_info.reset(new CefWindowInfo(windowInfo));
create_params.client = client;
create_params.url = GURL(url.ToString());
if (!url.empty() && !create_params.url.is_valid() &&
!create_params.url.has_scheme()) {
std::string new_url = std::string("http://") + url.ToString();
create_params.url = GURL(new_url);
}
create_params.settings = settings;
create_params.request_context = request_context;
CefRefPtr<CefBrowserHostImpl> browser =
CefBrowserHostImpl::Create(create_params);
return browser.get();
}
// CefBrowserHostImpl static methods.
// -----------------------------------------------------------------------------
// static
CefRefPtr<CefBrowserHostImpl> CefBrowserHostImpl::Create(
CreateParams& create_params) {
std::unique_ptr<CefBrowserPlatformDelegate> platform_delegate =
CefBrowserPlatformDelegate::Create(create_params);
CHECK(platform_delegate);
const bool is_devtools_popup = !!create_params.devtools_opener;
scoped_refptr<CefBrowserInfo> info =
CefBrowserInfoManager::GetInstance()->CreateBrowserInfo(
is_devtools_popup, platform_delegate->IsWindowless());
// Get or create the request context and browser context.
CefRefPtr<CefRequestContextImpl> request_context_impl =
CefRequestContextImpl::GetOrCreateForRequestContext(
create_params.request_context);
DCHECK(request_context_impl);
CefBrowserContext* browser_context =
request_context_impl->GetBrowserContext();
DCHECK(browser_context);
// A StoragePartitionImplMap must already exist for the BrowserContext. See
// additional comments in CefBrowserContextImpl::Initialize().
DCHECK(browser_context->GetUserData(
content::BrowserContext::GetStoragePartitionMapUserDataKey()));
if (!create_params.request_context) {
// Using the global request context.
create_params.request_context = request_context_impl.get();
}
CefRefPtr<CefExtension> cef_extension;
scoped_refptr<content::SiteInstance> site_instance;
if (extensions::ExtensionsEnabled() && !create_params.url.is_empty()) {
if (!create_params.extension) {
// We might be loading an extension app view where the extension URL is
// provided by the client.
create_params.extension =
extensions::GetExtensionForUrl(browser_context, create_params.url);
}
if (create_params.extension) {
cef_extension = browser_context->extension_system()->GetExtension(
create_params.extension->id());
DCHECK(cef_extension);
if (create_params.extension_host_type == extensions::VIEW_TYPE_INVALID) {
// Default to dialog behavior.
create_params.extension_host_type =
extensions::VIEW_TYPE_EXTENSION_DIALOG;
}
// Extension resources will fail to load if we don't use a SiteInstance
// associated with the extension.
// (CefContentBrowserClient::SiteInstanceGotProcess won't find the
// extension to register with InfoMap, and AllowExtensionResourceLoad in
// ExtensionProtocolHandler::MaybeCreateJob will return false resulting in
// ERR_BLOCKED_BY_CLIENT).
site_instance = extensions::ProcessManager::Get(browser_context)
->GetSiteInstanceForURL(create_params.url);
DCHECK(site_instance);
}
}
content::WebContents::CreateParams wc_create_params(browser_context,
site_instance);
if (platform_delegate->IsWindowless()) {
// Create the OSR view for the WebContents.
platform_delegate->CreateViewForWebContents(
&wc_create_params.view, &wc_create_params.delegate_view);
}
std::unique_ptr<content::WebContents> web_contents =
content::WebContents::Create(wc_create_params);
DCHECK(web_contents);
CefRefPtr<CefBrowserHostImpl> browser = CreateInternal(
create_params.settings, create_params.client, web_contents.release(),
true, info, create_params.devtools_opener, is_devtools_popup,
create_params.request_context, std::move(platform_delegate),
cef_extension);
if (!browser)
return nullptr;
if (create_params.extension) {
browser->CreateExtensionHost(create_params.extension, browser_context,
browser->web_contents(), create_params.url,
create_params.extension_host_type);
} else if (!create_params.url.is_empty()) {
browser->LoadURL(CefFrameHostImpl::kMainFrameId, create_params.url.spec(),
content::Referrer(), ui::PAGE_TRANSITION_TYPED,
std::string());
}
return browser.get();
}
// static
CefRefPtr<CefBrowserHostImpl> CefBrowserHostImpl::CreateInternal(
const CefBrowserSettings& settings,
CefRefPtr<CefClient> client,
content::WebContents* web_contents,
bool own_web_contents,
scoped_refptr<CefBrowserInfo> browser_info,
CefRefPtr<CefBrowserHostImpl> opener,
bool is_devtools_popup,
CefRefPtr<CefRequestContext> request_context,
std::unique_ptr<CefBrowserPlatformDelegate> platform_delegate,
CefRefPtr<CefExtension> extension) {
CEF_REQUIRE_UIT();
DCHECK(web_contents);
DCHECK(browser_info);
DCHECK(request_context);
DCHECK(platform_delegate);
// If |opener| is non-NULL it must be a popup window.
DCHECK(!opener.get() || browser_info->is_popup());
if (opener) {
if (!opener->platform_delegate_) {
// The opener window is being destroyed. Cancel the popup.
return nullptr;
}
// Give the opener browser's platform delegate an opportunity to modify the
// new browser's platform delegate.
opener->platform_delegate_->PopupWebContentsCreated(
settings, client, web_contents, platform_delegate.get(),
is_devtools_popup);
}
platform_delegate->WebContentsCreated(web_contents);
CefRefPtr<CefBrowserHostImpl> browser = new CefBrowserHostImpl(
settings, client, web_contents, browser_info, opener, request_context,
std::move(platform_delegate), extension);
if (own_web_contents)
browser->set_owned_web_contents(web_contents);
if (!browser->CreateHostWindow())
return nullptr;
// Notify that the browser has been created. These must be delivered in the
// expected order.
// 1. Notify the browser's LifeSpanHandler. This must always be the first
// notification for the browser.
if (client.get()) {
CefRefPtr<CefLifeSpanHandler> handler = client->GetLifeSpanHandler();
if (handler.get())
handler->OnAfterCreated(browser.get());
}
// 2. Notify the platform delegate. With Views this will result in a call to
// CefBrowserViewDelegate::OnBrowserCreated().
browser->platform_delegate_->NotifyBrowserCreated();
if (opener && opener->platform_delegate_) {
// 3. Notify the opener browser's platform delegate. With Views this will
// result in a call to CefBrowserViewDelegate::OnPopupBrowserViewCreated().
opener->platform_delegate_->PopupBrowserCreated(browser.get(),
is_devtools_popup);
}
return browser;
}
// static
CefRefPtr<CefBrowserHostImpl> CefBrowserHostImpl::GetBrowserForHost(
const content::RenderViewHost* host) {
DCHECK(host);
CEF_REQUIRE_UIT();
content::WebContents* web_contents = content::WebContents::FromRenderViewHost(
const_cast<content::RenderViewHost*>(host));
if (web_contents)
return GetBrowserForContents(web_contents);
return nullptr;
}
// static
CefRefPtr<CefBrowserHostImpl> CefBrowserHostImpl::GetBrowserForHost(
const content::RenderFrameHost* host) {
DCHECK(host);
CEF_REQUIRE_UIT();
content::WebContents* web_contents =
content::WebContents::FromRenderFrameHost(
const_cast<content::RenderFrameHost*>(host));
if (web_contents)
return GetBrowserForContents(web_contents);
return nullptr;
}
// static
CefRefPtr<CefBrowserHostImpl> CefBrowserHostImpl::GetBrowserForContents(
const content::WebContents* contents) {
DCHECK(contents);
CEF_REQUIRE_UIT();
return WebContentsUserDataAdapter::Get(contents);
}
// static
CefRefPtr<CefBrowserHostImpl> CefBrowserHostImpl::GetBrowserForRequest(
const net::URLRequest* request) {
DCHECK(request);
CEF_REQUIRE_IOT();
// When navigating the main frame a new (pre-commit) URLRequest will be
// created before the RenderFrameHost. Consequently we can't rely on
// ResourceRequestInfo::GetRenderFrameForRequest returning a valid frame
// ID. See https://crbug.com/776884 for background.
int render_process_id = -1;
int render_frame_id = MSG_ROUTING_NONE;
if (content::ResourceRequestInfo::GetRenderFrameForRequest(
request, &render_process_id, &render_frame_id) &&
render_process_id >= 0 && render_frame_id >= 0) {
return GetBrowserForFrame(render_process_id, render_frame_id);
}
const content::ResourceRequestInfo* request_info =
content::ResourceRequestInfo::ForRequest(request);
if (request_info)
return GetBrowserForFrameTreeNode(request_info->GetFrameTreeNodeId());
return nullptr;
}
// static
CefRefPtr<CefBrowserHostImpl> CefBrowserHostImpl::GetBrowserForFrameTreeNode(
int frame_tree_node_id) {
// Use the thread-safe approach.
scoped_refptr<CefBrowserInfo> info =
CefBrowserInfoManager::GetInstance()->GetBrowserInfoForFrameTreeNode(
frame_tree_node_id);
if (info.get()) {
CefRefPtr<CefBrowserHostImpl> browser = info->browser();
if (!browser.get()) {
LOG(WARNING) << "Found browser id " << info->browser_id()
<< " but no browser object matching frame tree node id "
<< frame_tree_node_id;
}
return browser;
}
return nullptr;
}
// static
CefRefPtr<CefBrowserHostImpl> CefBrowserHostImpl::GetBrowserForFrame(
int render_process_id,
int render_routing_id) {
if (render_process_id == -1 || render_routing_id == MSG_ROUTING_NONE)
return nullptr;
if (CEF_CURRENTLY_ON_UIT()) {
// Use the non-thread-safe but potentially faster approach.
content::RenderFrameHost* render_frame_host =
content::RenderFrameHost::FromID(render_process_id, render_routing_id);
if (!render_frame_host)
return nullptr;
return GetBrowserForHost(render_frame_host);
} else {
// Use the thread-safe approach.
bool is_guest_view = false;
scoped_refptr<CefBrowserInfo> info =
CefBrowserInfoManager::GetInstance()->GetBrowserInfoForFrame(
render_process_id, render_routing_id, &is_guest_view);
if (info.get() && !is_guest_view) {
CefRefPtr<CefBrowserHostImpl> browser = info->browser();
if (!browser.get()) {
LOG(WARNING) << "Found browser id " << info->browser_id()
<< " but no browser object matching frame process id "
<< render_process_id << " and routing id "
<< render_routing_id;
}
return browser;
}
return nullptr;
}
}
// CefBrowserHostImpl methods.
// -----------------------------------------------------------------------------
// WebContentsObserver that will be notified when the frontend WebContents is
// destroyed so that the inspected browser can clear its DevTools references.
class CefBrowserHostImpl::DevToolsWebContentsObserver
: public content::WebContentsObserver {
public:
DevToolsWebContentsObserver(CefBrowserHostImpl* browser,
content::WebContents* frontend_web_contents)
: WebContentsObserver(frontend_web_contents), browser_(browser) {}
// WebContentsObserver methods:
void WebContentsDestroyed() override {
browser_->OnDevToolsWebContentsDestroyed();
}
private:
CefBrowserHostImpl* browser_;
DISALLOW_COPY_AND_ASSIGN(DevToolsWebContentsObserver);
};
CefBrowserHostImpl::~CefBrowserHostImpl() {}
CefRefPtr<CefBrowser> CefBrowserHostImpl::GetBrowser() {
return this;
}
void CefBrowserHostImpl::CloseBrowser(bool force_close) {
if (CEF_CURRENTLY_ON_UIT()) {
// Exit early if a close attempt is already pending and this method is
// called again from somewhere other than WindowDestroyed().
if (destruction_state_ >= DESTRUCTION_STATE_PENDING &&
(IsWindowless() || !window_destroyed_)) {
if (force_close && destruction_state_ == DESTRUCTION_STATE_PENDING) {
// Upgrade the destruction state.
destruction_state_ = DESTRUCTION_STATE_ACCEPTED;
}
return;
}
if (destruction_state_ < DESTRUCTION_STATE_ACCEPTED) {
destruction_state_ = (force_close ? DESTRUCTION_STATE_ACCEPTED
: DESTRUCTION_STATE_PENDING);
}
content::WebContents* contents = web_contents();
if (contents && contents->NeedToFireBeforeUnload()) {
// Will result in a call to BeforeUnloadFired() and, if the close isn't
// canceled, CloseContents().
contents->DispatchBeforeUnload();
} else {
CloseContents(contents);
}
} else {
CEF_POST_TASK(CEF_UIT, base::BindOnce(&CefBrowserHostImpl::CloseBrowser,
this, force_close));
}
}
bool CefBrowserHostImpl::TryCloseBrowser() {
if (!CEF_CURRENTLY_ON_UIT()) {
NOTREACHED() << "called on invalid thread";
return false;
}
// Protect against multiple requests to close while the close is pending.
if (destruction_state_ <= DESTRUCTION_STATE_PENDING) {
if (destruction_state_ == DESTRUCTION_STATE_NONE) {
// Request that the browser close.
CloseBrowser(false);
}
// Cancel the close.
return false;
}
// Allow the close.
return true;
}
void CefBrowserHostImpl::SetFocus(bool focus) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::SetFocus, this, focus));
return;
}
if (focus)
OnSetFocus(FOCUS_SOURCE_SYSTEM);
else if (platform_delegate_)
platform_delegate_->SendFocusEvent(false);
}
CefWindowHandle CefBrowserHostImpl::GetWindowHandle() {
if (IsViewsHosted() && CEF_CURRENTLY_ON_UIT()) {
// Always return the most up-to-date window handle for a views-hosted
// browser since it may change if the view is re-parented.
if (platform_delegate_)
return platform_delegate_->GetHostWindowHandle();
}
return host_window_handle_;
}
CefWindowHandle CefBrowserHostImpl::GetOpenerWindowHandle() {
return opener_;
}
bool CefBrowserHostImpl::HasView() {
return IsViewsHosted();
}
CefRefPtr<CefClient> CefBrowserHostImpl::GetClient() {
return client_;
}
CefRefPtr<CefRequestContext> CefBrowserHostImpl::GetRequestContext() {
return request_context_;
}
double CefBrowserHostImpl::GetZoomLevel() {
// Verify that this method is being called on the UI thread.
if (!CEF_CURRENTLY_ON_UIT()) {
NOTREACHED() << "called on invalid thread";
return 0;
}
if (web_contents())
return content::HostZoomMap::GetZoomLevel(web_contents());
return 0;
}
void CefBrowserHostImpl::SetZoomLevel(double zoomLevel) {
if (CEF_CURRENTLY_ON_UIT()) {
if (web_contents())
content::HostZoomMap::SetZoomLevel(web_contents(), zoomLevel);
} else {
CEF_POST_TASK(CEF_UIT, base::BindOnce(&CefBrowserHostImpl::SetZoomLevel,
this, zoomLevel));
}
}
void CefBrowserHostImpl::RunFileDialog(
FileDialogMode mode,
const CefString& title,
const CefString& default_file_path,
const std::vector<CefString>& accept_filters,
int selected_accept_filter,
CefRefPtr<CefRunFileDialogCallback> callback) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::RunFileDialog, this, mode,
title, default_file_path, accept_filters,
selected_accept_filter, callback));
return;
}
EnsureFileDialogManager();
file_dialog_manager_->RunFileDialog(mode, title, default_file_path,
accept_filters, selected_accept_filter,
callback);
}
void CefBrowserHostImpl::StartDownload(const CefString& url) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT, base::BindOnce(&CefBrowserHostImpl::StartDownload, this, url));
return;
}
GURL gurl = GURL(url.ToString());
if (gurl.is_empty() || !gurl.is_valid())
return;
if (!web_contents())
return;
CefBrowserContext* context =
static_cast<CefBrowserContext*>(web_contents()->GetBrowserContext());
if (!context)
return;
content::DownloadManager* manager =
content::BrowserContext::GetDownloadManager(context);
if (!manager)
return;
std::unique_ptr<download::DownloadUrlParameters> params(
content::DownloadRequestUtils::CreateDownloadForWebContentsMainFrame(
web_contents(), gurl, NO_TRAFFIC_ANNOTATION_YET));
manager->DownloadUrl(std::move(params));
}
void CefBrowserHostImpl::DownloadImage(
const CefString& image_url,
bool is_favicon,
uint32 max_image_size,
bool bypass_cache,
CefRefPtr<CefDownloadImageCallback> callback) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::DownloadImage, this, image_url,
is_favicon, max_image_size, bypass_cache, callback));
return;
}
if (!callback)
return;
GURL gurl = GURL(image_url.ToString());
if (gurl.is_empty() || !gurl.is_valid())
return;
if (!web_contents())
return;
web_contents()->DownloadImage(
gurl, is_favicon, max_image_size * gfx::ImageSkia::GetMaxSupportedScale(),
bypass_cache, base::BindOnce(OnDownloadImage, max_image_size, callback));
}
void CefBrowserHostImpl::Print() {
if (CEF_CURRENTLY_ON_UIT()) {
content::WebContents* actionable_contents = GetActionableWebContents();
if (!actionable_contents)
return;
printing::CefPrintViewManager::FromWebContents(actionable_contents)
->PrintNow(actionable_contents->GetRenderViewHost()->GetMainFrame());
} else {
CEF_POST_TASK(CEF_UIT, base::BindOnce(&CefBrowserHostImpl::Print, this));
}
}
void CefBrowserHostImpl::PrintToPDF(const CefString& path,
const CefPdfPrintSettings& settings,
CefRefPtr<CefPdfPrintCallback> callback) {
if (CEF_CURRENTLY_ON_UIT()) {
content::WebContents* actionable_contents = GetActionableWebContents();
if (!actionable_contents)
return;
printing::CefPrintViewManager::PdfPrintCallback pdf_callback;
if (callback.get()) {
pdf_callback = base::Bind(&CefPdfPrintCallback::OnPdfPrintFinished,
callback.get(), path);
}
printing::CefPrintViewManager::FromWebContents(actionable_contents)
->PrintToPDF(actionable_contents->GetMainFrame(), base::FilePath(path),
settings, pdf_callback);
} else {
CEF_POST_TASK(CEF_UIT, base::BindOnce(&CefBrowserHostImpl::PrintToPDF, this,
path, settings, callback));
}
}
void CefBrowserHostImpl::Find(int identifier,
const CefString& searchText,
bool forward,
bool matchCase,
bool findNext) {
if (CEF_CURRENTLY_ON_UIT()) {
if (!web_contents())
return;
// Every find request must have a unique ID and these IDs must strictly
// increase so that newer requests always have greater IDs than older
// requests.
if (identifier <= find_request_id_counter_)
identifier = ++find_request_id_counter_;
else
find_request_id_counter_ = identifier;
blink::WebFindOptions options;
options.forward = forward;
options.match_case = matchCase;
options.find_next = findNext;
web_contents()->Find(identifier, searchText, options);
} else {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::Find, this, identifier,
searchText, forward, matchCase, findNext));
}
}
void CefBrowserHostImpl::StopFinding(bool clearSelection) {
if (CEF_CURRENTLY_ON_UIT()) {
if (!web_contents())
return;
content::StopFindAction action =
clearSelection ? content::STOP_FIND_ACTION_CLEAR_SELECTION
: content::STOP_FIND_ACTION_KEEP_SELECTION;
web_contents()->StopFinding(action);
} else {
CEF_POST_TASK(CEF_UIT, base::BindOnce(&CefBrowserHostImpl::StopFinding,
this, clearSelection));
}
}
void CefBrowserHostImpl::ShowDevTools(const CefWindowInfo& windowInfo,
CefRefPtr<CefClient> client,
const CefBrowserSettings& settings,
const CefPoint& inspect_element_at) {
if (CEF_CURRENTLY_ON_UIT()) {
if (!web_contents())
return;
if (devtools_frontend_) {
if (!inspect_element_at.IsEmpty()) {
devtools_frontend_->InspectElementAt(inspect_element_at.x,
inspect_element_at.y);
}
devtools_frontend_->Focus();
return;
}
devtools_frontend_ = CefDevToolsFrontend::Show(
this, windowInfo, client, settings, inspect_element_at);
devtools_observer_.reset(new DevToolsWebContentsObserver(
this, devtools_frontend_->frontend_browser()->web_contents()));
} else {
ShowDevToolsHelper* helper = new ShowDevToolsHelper(
this, windowInfo, client, settings, inspect_element_at);
CEF_POST_TASK(CEF_UIT, base::BindOnce(ShowDevToolsWithHelper, helper));
}
}
void CefBrowserHostImpl::CloseDevTools() {
if (CEF_CURRENTLY_ON_UIT()) {
if (!devtools_frontend_)
return;
devtools_frontend_->Close();
} else {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::CloseDevTools, this));
}
}
bool CefBrowserHostImpl::HasDevTools() {
if (!CEF_CURRENTLY_ON_UIT()) {
NOTREACHED() << "called on invalid thread";
return false;
}
return (devtools_frontend_ != nullptr);
}
void CefBrowserHostImpl::GetNavigationEntries(
CefRefPtr<CefNavigationEntryVisitor> visitor,
bool current_only) {
DCHECK(visitor.get());
if (!visitor.get())
return;
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT, base::BindOnce(&CefBrowserHostImpl::GetNavigationEntries, this,
visitor, current_only));
return;
}
if (!web_contents())
return;
const content::NavigationController& controller =
web_contents()->GetController();
const int total = controller.GetEntryCount();
const int current = controller.GetCurrentEntryIndex();
if (current_only) {
// Visit only the current entry.
CefRefPtr<CefNavigationEntryImpl> entry =
new CefNavigationEntryImpl(controller.GetEntryAtIndex(current));
visitor->Visit(entry.get(), true, current, total);
entry->Detach(NULL);
} else {
// Visit all entries.
bool cont = true;
for (int i = 0; i < total && cont; ++i) {
CefRefPtr<CefNavigationEntryImpl> entry =
new CefNavigationEntryImpl(controller.GetEntryAtIndex(i));
cont = visitor->Visit(entry.get(), (i == current), i, total);
entry->Detach(NULL);
}
}
}
CefRefPtr<CefNavigationEntry> CefBrowserHostImpl::GetVisibleNavigationEntry() {
if (!CEF_CURRENTLY_ON_UIT()) {
NOTREACHED() << "called on invalid thread";
return nullptr;
}
content::NavigationEntry* entry = nullptr;
if (web_contents())
entry = web_contents()->GetController().GetVisibleEntry();
if (!entry)
return nullptr;
return new CefNavigationEntryImpl(entry);
}
void CefBrowserHostImpl::SetAccessibilityState(
cef_state_t accessibility_state) {
// Do nothing if state is set to default. It'll be disabled by default and
// controlled by the commmand-line flags "force-renderer-accessibility" and
// "disable-renderer-accessibility".
if (accessibility_state == STATE_DEFAULT)
return;
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::SetAccessibilityState,
this, accessibility_state));
return;
}
content::WebContentsImpl* web_contents_impl =
static_cast<content::WebContentsImpl*>(web_contents());
if (!web_contents_impl)
return;
ui::AXMode accMode;
// In windowless mode set accessibility to TreeOnly mode. Else native
// accessibility APIs, specific to each platform, are also created.
if (accessibility_state == STATE_ENABLED) {
accMode = IsWindowless() ? ui::kAXModeWebContentsOnly : ui::kAXModeComplete;
}
web_contents_impl->SetAccessibilityMode(accMode);
}
void CefBrowserHostImpl::SetAutoResizeEnabled(bool enabled,
const CefSize& min_size,
const CefSize& max_size) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT, base::BindOnce(&CefBrowserHostImpl::SetAutoResizeEnabled, this,
enabled, min_size, max_size));
return;
}
if (enabled == auto_resize_enabled_)
return;
auto_resize_enabled_ = enabled;
if (enabled) {
auto_resize_min_ = gfx::Size(min_size.width, min_size.height);
auto_resize_max_ = gfx::Size(max_size.width, max_size.height);
} else {
auto_resize_min_ = auto_resize_max_ = gfx::Size();
}
ConfigureAutoResize();
}
CefRefPtr<CefExtension> CefBrowserHostImpl::GetExtension() {
return extension_;
}
bool CefBrowserHostImpl::IsBackgroundHost() {
return is_background_host_;
}
void CefBrowserHostImpl::SetMouseCursorChangeDisabled(bool disabled) {
base::AutoLock lock_scope(state_lock_);
mouse_cursor_change_disabled_ = disabled;
}
bool CefBrowserHostImpl::IsMouseCursorChangeDisabled() {
base::AutoLock lock_scope(state_lock_);
return mouse_cursor_change_disabled_;
}
bool CefBrowserHostImpl::IsWindowRenderingDisabled() {
return IsWindowless();
}
void CefBrowserHostImpl::ReplaceMisspelling(const CefString& word) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::ReplaceMisspelling, this, word));
return;
}
if (web_contents())
web_contents()->ReplaceMisspelling(word);
}
void CefBrowserHostImpl::AddWordToDictionary(const CefString& word) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::AddWordToDictionary, this, word));
return;
}
if (!web_contents())
return;
content::BrowserContext* browser_context =
web_contents()->GetBrowserContext();
if (browser_context) {
SpellcheckService* spellcheck =
SpellcheckServiceFactory::GetForContext(browser_context);
if (spellcheck)
spellcheck->GetCustomDictionary()->AddWord(word);
}
#if defined(OS_MACOSX)
spellcheck_platform::AddWord(word);
#endif
}
void CefBrowserHostImpl::WasResized() {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::WasResized, this));
return;
}
if (!web_contents() || !platform_delegate_)
return;
platform_delegate_->SynchronizeVisualProperties();
}
void CefBrowserHostImpl::WasHidden(bool hidden) {
if (!IsWindowless()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHost::WasHidden, this, hidden));
return;
}
if (!web_contents() || !platform_delegate_)
return;
platform_delegate_->WasHidden(hidden);
}
void CefBrowserHostImpl::NotifyScreenInfoChanged() {
if (!IsWindowless()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::NotifyScreenInfoChanged, this));
return;
}
if (!web_contents() || !platform_delegate_)
return;
platform_delegate_->NotifyScreenInfoChanged();
}
void CefBrowserHostImpl::Invalidate(PaintElementType type) {
if (!IsWindowless()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::Invalidate, this, type));
return;
}
if (!web_contents() || !platform_delegate_)
return;
platform_delegate_->Invalidate(type);
}
void CefBrowserHostImpl::SendKeyEvent(const CefKeyEvent& event) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT, base::BindOnce(&CefBrowserHostImpl::SendKeyEvent,
this, event));
return;
}
if (!web_contents() || !platform_delegate_)
return;
content::NativeWebKeyboardEvent web_event(blink::WebInputEvent::kUndefined,
blink::WebInputEvent::kNoModifiers,
ui::EventTimeForNow());
platform_delegate_->TranslateKeyEvent(web_event, event);
platform_delegate_->SendKeyEvent(web_event);
}
void CefBrowserHostImpl::SendMouseClickEvent(const CefMouseEvent& event,
MouseButtonType type,
bool mouseUp,
int clickCount) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::SendMouseClickEvent, this,
event, type, mouseUp, clickCount));
return;
}
if (!web_contents() || !platform_delegate_)
return;
blink::WebMouseEvent web_event;
platform_delegate_->TranslateClickEvent(web_event, event, type, mouseUp,
clickCount);
platform_delegate_->SendMouseEvent(web_event);
}
void CefBrowserHostImpl::SendMouseMoveEvent(const CefMouseEvent& event,
bool mouseLeave) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::SendMouseMoveEvent, this,
event, mouseLeave));
return;
}
if (!web_contents() || !platform_delegate_)
return;
blink::WebMouseEvent web_event;
platform_delegate_->TranslateMoveEvent(web_event, event, mouseLeave);
platform_delegate_->SendMouseEvent(web_event);
}
void CefBrowserHostImpl::SendMouseWheelEvent(const CefMouseEvent& event,
int deltaX,
int deltaY) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::SendMouseWheelEvent, this,
event, deltaX, deltaY));
return;
}
if (!web_contents() || !platform_delegate_)
return;
blink::WebMouseWheelEvent web_event;
platform_delegate_->TranslateWheelEvent(web_event, event, deltaX, deltaY);
platform_delegate_->SendMouseWheelEvent(web_event);
}
void CefBrowserHostImpl::SendFocusEvent(bool setFocus) {
SetFocus(setFocus);
}
void CefBrowserHostImpl::SendCaptureLostEvent() {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::SendCaptureLostEvent, this));
return;
}
if (!web_contents() || !platform_delegate_)
return;
platform_delegate_->SendCaptureLostEvent();
}
void CefBrowserHostImpl::NotifyMoveOrResizeStarted() {
#if defined(OS_WIN) || (defined(OS_POSIX) && !defined(OS_MACOSX))
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::NotifyMoveOrResizeStarted, this));
return;
}
if (!web_contents() || !platform_delegate_)
return;
platform_delegate_->NotifyMoveOrResizeStarted();
#endif
}
int CefBrowserHostImpl::GetWindowlessFrameRate() {
// Verify that this method is being called on the UI thread.
if (!CEF_CURRENTLY_ON_UIT()) {
NOTREACHED() << "called on invalid thread";
return 0;
}
return osr_util::ClampFrameRate(settings_.windowless_frame_rate);
}
void CefBrowserHostImpl::SetWindowlessFrameRate(int frame_rate) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::SetWindowlessFrameRate,
this, frame_rate));
return;
}
settings_.windowless_frame_rate = frame_rate;
if (platform_delegate_)
platform_delegate_->SetWindowlessFrameRate(frame_rate);
}
// CefBrowser methods.
// -----------------------------------------------------------------------------
CefRefPtr<CefBrowserHost> CefBrowserHostImpl::GetHost() {
return this;
}
bool CefBrowserHostImpl::CanGoBack() {
base::AutoLock lock_scope(state_lock_);
return can_go_back_;
}
void CefBrowserHostImpl::GoBack() {
if (CEF_CURRENTLY_ON_UIT()) {
if (navigation_locked()) {
// Try again after the lock has been released.
set_pending_navigation_action(
base::BindOnce(&CefBrowserHostImpl::GoBack, this));
return;
}
if (web_contents() && web_contents()->GetController().CanGoBack())
web_contents()->GetController().GoBack();
} else {
CEF_POST_TASK(CEF_UIT, base::BindOnce(&CefBrowserHostImpl::GoBack, this));
}
}
bool CefBrowserHostImpl::CanGoForward() {
base::AutoLock lock_scope(state_lock_);
return can_go_forward_;
}
void CefBrowserHostImpl::GoForward() {
if (CEF_CURRENTLY_ON_UIT()) {
if (navigation_locked()) {
// Try again after the lock has been released.
set_pending_navigation_action(
base::BindOnce(&CefBrowserHostImpl::GoForward, this));
return;
}
if (web_contents() && web_contents()->GetController().CanGoForward())
web_contents()->GetController().GoForward();
} else {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::GoForward, this));
}
}
bool CefBrowserHostImpl::IsLoading() {
base::AutoLock lock_scope(state_lock_);
return is_loading_;
}
void CefBrowserHostImpl::Reload() {
if (CEF_CURRENTLY_ON_UIT()) {
if (navigation_locked()) {
// Try again after the lock has been released.
set_pending_navigation_action(
base::BindOnce(&CefBrowserHostImpl::Reload, this));
return;
}
if (web_contents())
web_contents()->GetController().Reload(content::ReloadType::NORMAL, true);
} else {
CEF_POST_TASK(CEF_UIT, base::BindOnce(&CefBrowserHostImpl::Reload, this));
}
}
void CefBrowserHostImpl::ReloadIgnoreCache() {
if (CEF_CURRENTLY_ON_UIT()) {
if (navigation_locked()) {
// Try again after the lock has been released.
set_pending_navigation_action(
base::BindOnce(&CefBrowserHostImpl::ReloadIgnoreCache, this));
return;
}
if (web_contents()) {
web_contents()->GetController().Reload(
content::ReloadType::BYPASSING_CACHE, true);
}
} else {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::ReloadIgnoreCache, this));
}
}
void CefBrowserHostImpl::StopLoad() {
if (CEF_CURRENTLY_ON_UIT()) {
if (navigation_locked()) {
// Try again after the lock has been released.
set_pending_navigation_action(
base::BindOnce(&CefBrowserHostImpl::StopLoad, this));
return;
}
if (web_contents())
web_contents()->Stop();
} else {
CEF_POST_TASK(CEF_UIT, base::BindOnce(&CefBrowserHostImpl::StopLoad, this));
}
}
int CefBrowserHostImpl::GetIdentifier() {
return browser_id();
}
bool CefBrowserHostImpl::IsSame(CefRefPtr<CefBrowser> that) {
CefBrowserHostImpl* impl = static_cast<CefBrowserHostImpl*>(that.get());
return (impl == this);
}
bool CefBrowserHostImpl::IsPopup() {
return browser_info_->is_popup();
}
bool CefBrowserHostImpl::HasDocument() {
base::AutoLock lock_scope(state_lock_);
return has_document_;
}
CefRefPtr<CefFrame> CefBrowserHostImpl::GetMainFrame() {
return GetFrame(CefFrameHostImpl::kMainFrameId);
}
CefRefPtr<CefFrame> CefBrowserHostImpl::GetFocusedFrame() {
return GetFrame(CefFrameHostImpl::kFocusedFrameId);
}
CefRefPtr<CefFrame> CefBrowserHostImpl::GetFrame(int64 identifier) {
base::AutoLock lock_scope(state_lock_);
if (main_frame_id_ == CefFrameHostImpl::kInvalidFrameId) {
// A main frame does not exist yet. Return the placeholder frame that
// provides limited functionality.
return GetOrCreatePendingFrame(kMainFrameTreeNodeId,
CefFrameHostImpl::kInvalidFrameId, nullptr)
.get();
}
if (identifier == CefFrameHostImpl::kMainFrameId) {
identifier = main_frame_id_;
} else if (identifier == CefFrameHostImpl::kFocusedFrameId) {
// Return the main frame if no focused frame is currently identified.
if (focused_frame_id_ == CefFrameHostImpl::kInvalidFrameId)
identifier = main_frame_id_;
else
identifier = focused_frame_id_;
}
if (identifier == CefFrameHostImpl::kInvalidFrameId)
return nullptr;
FrameIdMap::const_iterator it = frames_.find(identifier);
if (it != frames_.end())
return it->second.get();
return nullptr;
}
CefRefPtr<CefFrame> CefBrowserHostImpl::GetFrame(const CefString& name) {
base::AutoLock lock_scope(state_lock_);
FrameIdMap::const_iterator it = frames_.begin();
for (; it != frames_.end(); ++it) {
if (it->second->GetName() == name)
return it->second.get();
}
return nullptr;
}
size_t CefBrowserHostImpl::GetFrameCount() {
base::AutoLock lock_scope(state_lock_);
return frames_.size();
}
void CefBrowserHostImpl::GetFrameIdentifiers(std::vector<int64>& identifiers) {
base::AutoLock lock_scope(state_lock_);
if (identifiers.size() > 0)
identifiers.clear();
FrameIdMap::const_iterator it = frames_.begin();
for (; it != frames_.end(); ++it)
identifiers.push_back(it->first);
}
void CefBrowserHostImpl::GetFrameNames(std::vector<CefString>& names) {
base::AutoLock lock_scope(state_lock_);
if (names.size() > 0)
names.clear();
FrameIdMap::const_iterator it = frames_.begin();
for (; it != frames_.end(); ++it)
names.push_back(it->second->GetName());
}
bool CefBrowserHostImpl::SendProcessMessage(
CefProcessId target_process,
CefRefPtr<CefProcessMessage> message) {
DCHECK_EQ(PID_RENDERER, target_process);
DCHECK(message.get());
Cef_Request_Params params;
CefProcessMessageImpl* impl =
static_cast<CefProcessMessageImpl*>(message.get());
if (!impl->CopyTo(params))
return false;
DCHECK(!params.name.empty());
params.frame_id = -1;
params.user_initiated = true;
params.request_id = -1;
params.expect_response = false;
return Send(new CefMsg_Request(MSG_ROUTING_NONE, params));
}
// CefBrowserHostImpl public methods.
// -----------------------------------------------------------------------------
bool CefBrowserHostImpl::IsWindowless() const {
return is_windowless_;
}
bool CefBrowserHostImpl::IsViewsHosted() const {
return is_views_hosted_;
}
void CefBrowserHostImpl::WindowDestroyed() {
CEF_REQUIRE_UIT();
DCHECK(!window_destroyed_);
window_destroyed_ = true;
CloseBrowser(true);
}
void CefBrowserHostImpl::DestroyBrowser() {
CEF_REQUIRE_UIT();
destruction_state_ = DESTRUCTION_STATE_COMPLETED;
// Notify that this browser has been destroyed. These must be delivered in the
// expected order.
// 1. Notify the platform delegate. With Views this will result in a call to
// CefBrowserViewDelegate::OnBrowserDestroyed().
platform_delegate_->NotifyBrowserDestroyed();
// 2. Notify the browser's LifeSpanHandler. This must always be the last
// notification for this browser.
if (client_.get()) {
CefRefPtr<CefLifeSpanHandler> handler = client_->GetLifeSpanHandler();
if (handler.get()) {
// Notify the handler that the window is about to be closed.
handler->OnBeforeClose(this);
}
}
// Destroy any platform constructs first.
if (file_dialog_manager_.get())
file_dialog_manager_->Destroy();
if (javascript_dialog_manager_.get())
javascript_dialog_manager_->Destroy();
if (menu_manager_.get())
menu_manager_->Destroy();
DestroyExtensionHost();
// Notify any observers that may have state associated with this browser.
for (auto& observer : observers_)
observer.OnBrowserDestroyed(this);
// Disassociate the platform delegate from this browser.
platform_delegate_->BrowserDestroyed(this);
while (!queued_messages_.empty()) {
delete queued_messages_.front();
queued_messages_.pop();
}
registrar_.reset(NULL);
response_manager_.reset(NULL);
content::WebContentsObserver::Observe(NULL);
if (owned_web_contents_)
owned_web_contents_.reset(NULL);
// Delete objects created by the platform delegate that may be referenced by
// the WebContents.
file_dialog_manager_.reset(NULL);
javascript_dialog_manager_.reset(NULL);
menu_manager_.reset(NULL);
// Delete the platform delegate.
platform_delegate_.reset(NULL);
DetachAllFrames();
CefBrowserInfoManager::GetInstance()->RemoveBrowserInfo(browser_info_);
browser_info_->set_browser(NULL);
}
#if defined(USE_AURA)
views::Widget* CefBrowserHostImpl::GetWindowWidget() const {
CEF_REQUIRE_UIT();
if (!platform_delegate_)
return nullptr;
return platform_delegate_->GetWindowWidget();
}
CefRefPtr<CefBrowserView> CefBrowserHostImpl::GetBrowserView() const {
CEF_REQUIRE_UIT();
if (IsViewsHosted() && platform_delegate_)
return platform_delegate_->GetBrowserView();
return nullptr;
}
#endif // defined(USE_AURA)
void CefBrowserHostImpl::CancelContextMenu() {
CEF_REQUIRE_UIT();
if (menu_manager_)
menu_manager_->CancelContextMenu();
}
CefRefPtr<CefFrame> CefBrowserHostImpl::GetFrameForRequest(
const net::URLRequest* request) {
CEF_REQUIRE_IOT();
const content::ResourceRequestInfo* info =
content::ResourceRequestInfo::ForRequest(request);
if (!info)
return nullptr;
// The value of |IsMainFrame| is unreliable in these cases.
const bool is_main_frame_state_flaky =
info->IsDownload() ||
info->GetResourceType() == content::RESOURCE_TYPE_XHR;
return GetOrCreateFrame(info->GetRenderFrameID(), info->GetFrameTreeNodeId(),
CefFrameHostImpl::kUnspecifiedFrameId,
info->IsMainFrame(), is_main_frame_state_flaky,
base::string16(), GURL());
}
void CefBrowserHostImpl::Navigate(const CefNavigateParams& params) {
// Only known frame ids and kMainFrameId are supported.
DCHECK(params.frame_id >= CefFrameHostImpl::kMainFrameId);
CefMsg_LoadRequest_Params request;
request.url = params.url;
if (!request.url.is_valid()) {
LOG(ERROR) << "Invalid URL passed to CefBrowserHostImpl::Navigate: "
<< params.url;
return;
}
request.method = params.method;
request.referrer = params.referrer.url;
request.referrer_policy =
CefRequestImpl::BlinkReferrerPolicyToNetReferrerPolicy(
params.referrer.policy);
request.frame_id = params.frame_id;
request.site_for_cookies = params.site_for_cookies;
request.headers = params.headers;
request.load_flags = params.load_flags;
request.upload_data = params.upload_data;
Send(new CefMsg_LoadRequest(MSG_ROUTING_NONE, request));
OnSetFocus(FOCUS_SOURCE_NAVIGATION);
}
void CefBrowserHostImpl::LoadRequest(int64 frame_id,
CefRefPtr<CefRequest> request) {
CefNavigateParams params(GURL(), ui::PAGE_TRANSITION_TYPED);
params.frame_id = frame_id;
static_cast<CefRequestImpl*>(request.get())->Get(params);
Navigate(params);
}
void CefBrowserHostImpl::LoadURL(int64 frame_id,
const std::string& url,
const content::Referrer& referrer,
ui::PageTransition transition,
const std::string& extra_headers) {
if (frame_id == CefFrameHostImpl::kMainFrameId) {
// Go through the navigation controller.
if (CEF_CURRENTLY_ON_UIT()) {
if (navigation_locked()) {
// Try again after the lock has been released.
set_pending_navigation_action(
base::BindOnce(&CefBrowserHostImpl::LoadURL, this, frame_id, url,
referrer, transition, extra_headers));
return;
}
if (web_contents()) {
GURL gurl = GURL(url);
if (!gurl.is_valid() && !gurl.has_scheme()) {
// Try to add "http://" at the beginning
std::string new_url = std::string("http://") + url;
gurl = GURL(new_url);
}
if (!gurl.is_valid()) {
LOG(ERROR) << "Invalid URL passed to CefBrowserHostImpl::LoadURL: "
<< url;
return;
}
web_contents()->GetController().LoadURL(gurl, referrer, transition,
extra_headers);
OnSetFocus(FOCUS_SOURCE_NAVIGATION);
}
} else {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::LoadURL, this, frame_id,
url, referrer, transition, extra_headers));
}
} else {
CefNavigateParams params(GURL(url), transition);
params.frame_id = frame_id;
params.referrer = referrer;
params.headers = extra_headers;
Navigate(params);
}
}
void CefBrowserHostImpl::LoadString(int64 frame_id,
const std::string& string,
const std::string& url) {
// Only known frame ids or kMainFrameId are supported.
DCHECK(frame_id >= CefFrameHostImpl::kMainFrameId);
Cef_Request_Params params;
params.name = "load-string";
params.frame_id = frame_id;
params.user_initiated = false;
params.request_id = -1;
params.expect_response = false;
params.arguments.AppendString(string);
params.arguments.AppendString(url);
Send(new CefMsg_Request(MSG_ROUTING_NONE, params));
}
void CefBrowserHostImpl::SendCommand(
int64 frame_id,
const std::string& command,
CefRefPtr<CefResponseManager::Handler> responseHandler) {
// Only known frame ids are supported.
DCHECK(frame_id > CefFrameHostImpl::kMainFrameId);
DCHECK(!command.empty());
// Execute on the UI thread because CefResponseManager is not thread safe.
if (CEF_CURRENTLY_ON_UIT()) {
TRACE_EVENT2("libcef", "CefBrowserHostImpl::SendCommand", "frame_id",
frame_id, "needsResponse", responseHandler.get() ? 1 : 0);
Cef_Request_Params params;
params.name = "execute-command";
params.frame_id = frame_id;
params.user_initiated = false;
if (responseHandler.get()) {
params.request_id = response_manager_->RegisterHandler(responseHandler);
params.expect_response = true;
} else {
params.request_id = -1;
params.expect_response = false;
}
params.arguments.AppendString(command);
Send(new CefMsg_Request(MSG_ROUTING_NONE, params));
} else {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::SendCommand, this,
frame_id, command, responseHandler));
}
}
void CefBrowserHostImpl::SendCode(
int64 frame_id,
bool is_javascript,
const std::string& code,
const std::string& script_url,
int script_start_line,
CefRefPtr<CefResponseManager::Handler> responseHandler) {
// Only known frame ids are supported.
DCHECK(frame_id >= CefFrameHostImpl::kMainFrameId);
DCHECK(!code.empty());
DCHECK_GE(script_start_line, 0);
// Execute on the UI thread because CefResponseManager is not thread safe.
if (CEF_CURRENTLY_ON_UIT()) {
TRACE_EVENT2("libcef", "CefBrowserHostImpl::SendCommand", "frame_id",
frame_id, "needsResponse", responseHandler.get() ? 1 : 0);
Cef_Request_Params params;
params.name = "execute-code";
params.frame_id = frame_id;
params.user_initiated = false;
if (responseHandler.get()) {
params.request_id = response_manager_->RegisterHandler(responseHandler);
params.expect_response = true;
} else {
params.request_id = -1;
params.expect_response = false;
}
params.arguments.AppendBoolean(is_javascript);
params.arguments.AppendString(code);
params.arguments.AppendString(script_url);
params.arguments.AppendInteger(script_start_line);
Send(new CefMsg_Request(MSG_ROUTING_NONE, params));
} else {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::SendCode, this, frame_id,
is_javascript, code, script_url,
script_start_line, responseHandler));
}
}
void CefBrowserHostImpl::ExecuteJavaScriptWithUserGestureForTests(
int64 frame_id,
const CefString& javascript) {
DCHECK(frame_id >= CefFrameHostImpl::kMainFrameId);
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(
&CefBrowserHostImpl::ExecuteJavaScriptWithUserGestureForTests, this,
frame_id, javascript));
return;
}
if (!web_contents())
return;
content::RenderFrameHost* rfh;
if (frame_id == CefFrameHostImpl::kMainFrameId) {
rfh = web_contents()->GetMainFrame();
} else {
rfh = content::RenderFrameHost::FromID(
web_contents()->GetRenderViewHost()->GetProcess()->GetID(), frame_id);
}
if (rfh)
rfh->ExecuteJavaScriptWithUserGestureForTests(javascript);
}
void CefBrowserHostImpl::ViewText(const std::string& text) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::ViewText, this, text));
return;
}
if (platform_delegate_)
platform_delegate_->ViewText(text);
}
void CefBrowserHostImpl::HandleExternalProtocol(const GURL& url) {
if (CEF_CURRENTLY_ON_UIT()) {
bool allow_os_execution = false;
if (client_.get()) {
CefRefPtr<CefRequestHandler> handler = client_->GetRequestHandler();
if (handler.get())
handler->OnProtocolExecution(this, url.spec(), allow_os_execution);
}
if (allow_os_execution && platform_delegate_)
platform_delegate_->HandleExternalProtocol(url);
} else {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::HandleExternalProtocol, this, url));
}
}
SkColor CefBrowserHostImpl::GetBackgroundColor() const {
// Don't use |platform_delegate_| because it's not thread-safe.
return CefContext::Get()->GetBackgroundColor(
&settings_, is_windowless_ ? STATE_ENABLED : STATE_DISABLED);
}
int CefBrowserHostImpl::browser_id() const {
return browser_info_->browser_id();
}
content::BrowserContext* CefBrowserHostImpl::GetBrowserContext() {
CEF_REQUIRE_UIT();
if (web_contents())
return web_contents()->GetBrowserContext();
return nullptr;
}
void CefBrowserHostImpl::OnSetFocus(cef_focus_source_t source) {
if (CEF_CURRENTLY_ON_UIT()) {
// SetFocus() might be called while inside the OnSetFocus() callback. If so,
// don't re-enter the callback.
if (!is_in_onsetfocus_) {
if (client_.get()) {
CefRefPtr<CefFocusHandler> handler = client_->GetFocusHandler();
if (handler.get()) {
is_in_onsetfocus_ = true;
bool handled = handler->OnSetFocus(this, source);
is_in_onsetfocus_ = false;
if (handled)
return;
}
}
}
if (platform_delegate_)
platform_delegate_->SendFocusEvent(true);
} else {
CEF_POST_TASK(
CEF_UIT, base::BindOnce(&CefBrowserHostImpl::OnSetFocus, this, source));
}
}
void CefBrowserHostImpl::RunFileChooser(
const CefFileDialogRunner::FileChooserParams& params,
const CefFileDialogRunner::RunFileChooserCallback& callback) {
EnsureFileDialogManager();
file_dialog_manager_->RunFileChooser(params, callback);
}
bool CefBrowserHostImpl::EmbedsFullscreenWidget() const {
// When using windowless rendering do not allow Flash to create its own full-
// screen widget.
return IsWindowless();
}
void CefBrowserHostImpl::EnterFullscreenModeForTab(
content::WebContents* web_contents,
const GURL& origin,
const blink::WebFullscreenOptions& options) {
OnFullscreenModeChange(true);
}
void CefBrowserHostImpl::ExitFullscreenModeForTab(
content::WebContents* web_contents) {
OnFullscreenModeChange(false);
}
bool CefBrowserHostImpl::IsFullscreenForTabOrPending(
const content::WebContents* web_contents) const {
return is_fullscreen_;
}
blink::WebDisplayMode CefBrowserHostImpl::GetDisplayMode(
const content::WebContents* web_contents) const {
return is_fullscreen_ ? blink::kWebDisplayModeFullscreen
: blink::kWebDisplayModeBrowser;
}
void CefBrowserHostImpl::FindReply(content::WebContents* web_contents,
int request_id,
int number_of_matches,
const gfx::Rect& selection_rect,
int active_match_ordinal,
bool final_update) {
if (client_.get()) {
CefRefPtr<CefFindHandler> handler = client_->GetFindHandler();
if (handler.get()) {
CefRect rect(selection_rect.x(), selection_rect.y(),
selection_rect.width(), selection_rect.height());
handler->OnFindResult(this, request_id, number_of_matches, rect,
active_match_ordinal, final_update);
}
}
}
void CefBrowserHostImpl::ImeSetComposition(
const CefString& text,
const std::vector<CefCompositionUnderline>& underlines,
const CefRange& replacement_range,
const CefRange& selection_range) {
if (!IsWindowless()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::ImeSetComposition, this, text,
underlines, replacement_range, selection_range));
return;
}
if (!web_contents() || !platform_delegate_)
return;
platform_delegate_->ImeSetComposition(text, underlines, replacement_range,
selection_range);
}
void CefBrowserHostImpl::ImeCommitText(const CefString& text,
const CefRange& replacement_range,
int relative_cursor_pos) {
if (!IsWindowless()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::ImeCommitText, this, text,
replacement_range, relative_cursor_pos));
return;
}
if (!web_contents() || !platform_delegate_)
return;
platform_delegate_->ImeCommitText(text, replacement_range,
relative_cursor_pos);
}
void CefBrowserHostImpl::ImeFinishComposingText(bool keep_selection) {
if (!IsWindowless()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::ImeFinishComposingText,
this, keep_selection));
return;
}
if (!web_contents() || !platform_delegate_)
return;
platform_delegate_->ImeFinishComposingText(keep_selection);
}
void CefBrowserHostImpl::ImeCancelComposition() {
if (!IsWindowless()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::ImeCancelComposition, this));
return;
}
if (!web_contents() || !platform_delegate_)
return;
platform_delegate_->ImeCancelComposition();
}
void CefBrowserHostImpl::DragTargetDragEnter(
CefRefPtr<CefDragData> drag_data,
const CefMouseEvent& event,
CefBrowserHost::DragOperationsMask allowed_ops) {
if (!IsWindowless()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::DragTargetDragEnter, this,
drag_data, event, allowed_ops));
return;
}
if (!drag_data.get()) {
NOTREACHED();
return;
}
if (!web_contents() || !platform_delegate_)
return;
platform_delegate_->DragTargetDragEnter(drag_data, event, allowed_ops);
}
void CefBrowserHostImpl::DragTargetDragOver(
const CefMouseEvent& event,
CefBrowserHost::DragOperationsMask allowed_ops) {
if (!IsWindowless()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::DragTargetDragOver, this,
event, allowed_ops));
return;
}
if (!web_contents() || !platform_delegate_)
return;
platform_delegate_->DragTargetDragOver(event, allowed_ops);
}
void CefBrowserHostImpl::DragTargetDragLeave() {
if (!IsWindowless()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT, base::BindOnce(
&CefBrowserHostImpl::DragTargetDragLeave, this));
return;
}
if (!web_contents() || !platform_delegate_)
return;
platform_delegate_->DragTargetDragLeave();
}
void CefBrowserHostImpl::DragTargetDrop(const CefMouseEvent& event) {
if (!IsWindowless()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT, base::BindOnce(&CefBrowserHostImpl::DragTargetDrop,
this, event));
return;
}
if (!web_contents() || !platform_delegate_)
return;
platform_delegate_->DragTargetDrop(event);
}
void CefBrowserHostImpl::DragSourceSystemDragEnded() {
if (!IsWindowless()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::DragSourceSystemDragEnded, this));
return;
}
if (!web_contents() || !platform_delegate_)
return;
platform_delegate_->DragSourceSystemDragEnded();
}
void CefBrowserHostImpl::DragSourceEndedAt(
int x,
int y,
CefBrowserHost::DragOperationsMask op) {
if (!IsWindowless()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&CefBrowserHostImpl::DragSourceEndedAt, this, x, y, op));
return;
}
if (!web_contents() || !platform_delegate_)
return;
platform_delegate_->DragSourceEndedAt(x, y, op);
}
// content::WebContentsDelegate methods.
// -----------------------------------------------------------------------------
// |source| may be NULL if the navigation originates from a guest view via
// CefContentBrowserClient::CanCreateWindow.
content::WebContents* CefBrowserHostImpl::OpenURLFromTab(
content::WebContents* source,
const content::OpenURLParams& params) {
bool cancel = false;
if (client_.get()) {
CefRefPtr<CefRequestHandler> handler = client_->GetRequestHandler();
if (handler.get()) {
cancel = handler->OnOpenURLFromTab(
this, GetFrame(params.frame_tree_node_id), params.url.spec(),
static_cast<cef_window_open_disposition_t>(params.disposition),
params.user_gesture);
}
}
if (!cancel) {
// Start a navigation in the current browser that will result in the
// creation of a new render process.
LoadURL(CefFrameHostImpl::kMainFrameId, params.url.spec(), params.referrer,
params.transition, params.extra_headers);
return source;
}
// We don't know where the navigation, if any, will occur.
return nullptr;
}
bool CefBrowserHostImpl::ShouldTransferNavigation(
bool is_main_frame_navigation) {
if (extension_host_) {
return extension_host_->ShouldTransferNavigation(is_main_frame_navigation);
}
return true;
}
void CefBrowserHostImpl::AddNewContents(
content::WebContents* source,
std::unique_ptr<content::WebContents> new_contents,
WindowOpenDisposition disposition,
const gfx::Rect& initial_rect,
bool user_gesture,
bool* was_blocked) {
CefRefPtr<CefBrowserHostImpl> owner =
GetBrowserForContents(new_contents.get());
if (owner) {
// Taking ownership of |new_contents|.
owner->set_owned_web_contents(new_contents.release());
return;
}
if (extension_host_) {
extension_host_->AddNewContents(source, std::move(new_contents),
disposition, initial_rect, user_gesture,
was_blocked);
}
}
void CefBrowserHostImpl::LoadingStateChanged(content::WebContents* source,
bool to_different_document) {
const int current_index =
source->GetController().GetLastCommittedEntryIndex();
const int max_index = source->GetController().GetEntryCount() - 1;
const bool is_loading = source->IsLoading();
const bool can_go_back = (current_index > 0);
const bool can_go_forward = (current_index < max_index);
{
base::AutoLock lock_scope(state_lock_);
// This method may be called multiple times in a row with |is_loading| true
// as a result of https://crrev.com/5e750ad0. Ignore the 2nd+ times.
if (is_loading_ == is_loading)
return;
is_loading_ = is_loading;
can_go_back_ = can_go_back;
can_go_forward_ = can_go_forward;
}
if (client_.get()) {
CefRefPtr<CefLoadHandler> handler = client_->GetLoadHandler();
if (handler.get()) {
handler->OnLoadingStateChange(this, is_loading, can_go_back,
can_go_forward);
}
}
}
void CefBrowserHostImpl::LoadProgressChanged(content::WebContents* source,
double progress) {
if (client_.get()) {
CefRefPtr<CefDisplayHandler> handler = client_->GetDisplayHandler();
if (handler.get()) {
handler->OnLoadingProgressChange(this, progress);
}
}
}
void CefBrowserHostImpl::CloseContents(content::WebContents* source) {
CEF_REQUIRE_UIT();
if (destruction_state_ == DESTRUCTION_STATE_COMPLETED)
return;
bool close_browser = true;
// If this method is called in response to something other than
// WindowDestroyed() ask the user if the browser should close.
if (client_.get() && (IsWindowless() || !window_destroyed_)) {
CefRefPtr<CefLifeSpanHandler> handler = client_->GetLifeSpanHandler();
if (handler.get()) {
close_browser = !handler->DoClose(this);
}
}
if (close_browser) {
if (destruction_state_ != DESTRUCTION_STATE_ACCEPTED)
destruction_state_ = DESTRUCTION_STATE_ACCEPTED;
if (!IsWindowless() && !window_destroyed_) {
// A window exists so try to close it using the platform method. Will
// result in a call to WindowDestroyed() if/when the window is destroyed
// via the platform window destruction mechanism.
platform_delegate_->CloseHostWindow();
} else {
// Keep a reference to the browser while it's in the process of being
// destroyed.
CefRefPtr<CefBrowserHostImpl> browser(this);
// No window exists. Destroy the browser immediately. Don't call other
// browser methods after calling DestroyBrowser().
DestroyBrowser();
}
} else if (destruction_state_ != DESTRUCTION_STATE_NONE) {
destruction_state_ = DESTRUCTION_STATE_NONE;
}
}
void CefBrowserHostImpl::UpdateTargetURL(content::WebContents* source,
const GURL& url) {
if (client_.get()) {
CefRefPtr<CefDisplayHandler> handler = client_->GetDisplayHandler();
if (handler.get())
handler->OnStatusMessage(this, url.spec());
}
}
bool CefBrowserHostImpl::DidAddMessageToConsole(
content::WebContents* source,
int32_t level,
const base::string16& message,
int32_t line_no,
const base::string16& source_id) {
if (client_.get()) {
CefRefPtr<CefDisplayHandler> handler = client_->GetDisplayHandler();
if (handler.get()) {
// Use LOGSEVERITY_DEBUG for unrecognized |level| values.
cef_log_severity_t log_level = LOGSEVERITY_DEBUG;
switch (level) {
case 0:
log_level = LOGSEVERITY_INFO;
break;
case 1:
log_level = LOGSEVERITY_WARNING;
break;
case 2:
log_level = LOGSEVERITY_ERROR;
break;
}
return handler->OnConsoleMessage(this, log_level, message, source_id,
line_no);
}
}
return false;
}
void CefBrowserHostImpl::BeforeUnloadFired(content::WebContents* source,
bool proceed,
bool* proceed_to_fire_unload) {
if (destruction_state_ == DESTRUCTION_STATE_ACCEPTED || proceed) {
*proceed_to_fire_unload = true;
} else if (!proceed) {
*proceed_to_fire_unload = false;
destruction_state_ = DESTRUCTION_STATE_NONE;
}
}
bool CefBrowserHostImpl::TakeFocus(content::WebContents* source, bool reverse) {
if (client_.get()) {
CefRefPtr<CefFocusHandler> handler = client_->GetFocusHandler();
if (handler.get())
handler->OnTakeFocus(this, !reverse);
}
return false;
}
bool CefBrowserHostImpl::HandleContextMenu(
const content::ContextMenuParams& params) {
return HandleContextMenu(web_contents(), params);
}
content::WebContents* CefBrowserHostImpl::GetActionableWebContents() {
if (web_contents() && extensions::ExtensionsEnabled()) {
content::WebContents* guest_contents =
extensions::GetFullPageGuestForOwnerContents(web_contents());
if (guest_contents)
return guest_contents;
}
return web_contents();
}
KeyboardEventProcessingResult CefBrowserHostImpl::PreHandleKeyboardEvent(
content::WebContents* source,
const content::NativeWebKeyboardEvent& event) {
if (platform_delegate_ && client_.get()) {
CefRefPtr<CefKeyboardHandler> handler = client_->GetKeyboardHandler();
if (handler.get()) {
CefKeyEvent cef_event;
if (browser_util::GetCefKeyEvent(event, cef_event)) {
cef_event.focus_on_editable_field = focus_on_editable_field_;
CefEventHandle event_handle = platform_delegate_->GetEventHandle(event);
bool is_keyboard_shortcut = false;
bool result = handler->OnPreKeyEvent(this, cef_event, event_handle,
&is_keyboard_shortcut);
if (result)
return KeyboardEventProcessingResult::HANDLED;
else if (is_keyboard_shortcut)
return KeyboardEventProcessingResult::NOT_HANDLED_IS_SHORTCUT;
}
}
}
return KeyboardEventProcessingResult::NOT_HANDLED;
}
void CefBrowserHostImpl::HandleKeyboardEvent(
content::WebContents* source,
const content::NativeWebKeyboardEvent& event) {
// Check to see if event should be ignored.
if (event.skip_in_browser)
return;
if (!platform_delegate_)
return;
if (client_.get()) {
CefRefPtr<CefKeyboardHandler> handler = client_->GetKeyboardHandler();
if (handler.get()) {
CefKeyEvent cef_event;
if (browser_util::GetCefKeyEvent(event, cef_event)) {
cef_event.focus_on_editable_field = focus_on_editable_field_;
CefEventHandle event_handle = platform_delegate_->GetEventHandle(event);
if (handler->OnKeyEvent(this, cef_event, event_handle))
return;
}
}
}
platform_delegate_->HandleKeyboardEvent(event);
}
bool CefBrowserHostImpl::PreHandleGestureEvent(
content::WebContents* source,
const blink::WebGestureEvent& event) {
if (extension_host_)
return extension_host_->PreHandleGestureEvent(source, event);
return false;
}
bool CefBrowserHostImpl::CanDragEnter(content::WebContents* source,
const content::DropData& data,
blink::WebDragOperationsMask mask) {
CefRefPtr<CefDragHandler> handler = client_->GetDragHandler();
if (handler.get()) {
CefRefPtr<CefDragDataImpl> drag_data(new CefDragDataImpl(data));
drag_data->SetReadOnly(true);
if (handler->OnDragEnter(
this, drag_data.get(),
static_cast<CefDragHandler::DragOperationsMask>(mask))) {
return false;
}
}
return true;
}
void CefBrowserHostImpl::GetCustomWebContentsView(
content::WebContents* web_contents,
const GURL& target_url,
int opener_render_process_id,
int opener_render_frame_id,
content::WebContentsView** view,
content::RenderViewHostDelegateView** delegate_view) {
CefBrowserInfoManager::GetInstance()->GetCustomWebContentsView(
target_url, opener_render_process_id, opener_render_frame_id, view,
delegate_view);
}
void CefBrowserHostImpl::WebContentsCreated(
content::WebContents* source_contents,
int opener_render_process_id,
int opener_render_frame_id,
const std::string& frame_name,
const GURL& target_url,
content::WebContents* new_contents) {
CefBrowserSettings settings;
CefRefPtr<CefClient> client;
std::unique_ptr<CefBrowserPlatformDelegate> platform_delegate;
CefBrowserInfoManager::GetInstance()->WebContentsCreated(
target_url, opener_render_process_id, opener_render_frame_id, settings,
client, platform_delegate);
scoped_refptr<CefBrowserInfo> info =
CefBrowserInfoManager::GetInstance()->CreatePopupBrowserInfo(
new_contents, platform_delegate->IsWindowless());
DCHECK(info.get());
DCHECK(info->is_popup());
CefRefPtr<CefBrowserHostImpl> opener = GetBrowserForContents(source_contents);
if (!opener.get())
return;
// Popups must share the same BrowserContext as the parent.
CefBrowserContext* browser_context =
static_cast<CefBrowserContext*>(new_contents->GetBrowserContext());
DCHECK(browser_context);
// We don't officially own |new_contents| until AddNewContents() is called.
// However, we need to install observers/delegates here.
CefRefPtr<CefBrowserHostImpl> browser =
CreateInternal(settings, client, new_contents, false, info, opener, false,
browser_context->GetCefRequestContext(),
std::move(platform_delegate), nullptr);
}
void CefBrowserHostImpl::DidNavigateMainFramePostCommit(
content::WebContents* web_contents) {
base::AutoLock lock_scope(state_lock_);
has_document_ = false;
}
content::JavaScriptDialogManager*
CefBrowserHostImpl::GetJavaScriptDialogManager(content::WebContents* source) {
if (!javascript_dialog_manager_.get() && platform_delegate_) {
javascript_dialog_manager_.reset(new CefJavaScriptDialogManager(
this, platform_delegate_->CreateJavaScriptDialogRunner()));
}
return javascript_dialog_manager_.get();
}
void CefBrowserHostImpl::RunFileChooser(
content::RenderFrameHost* render_frame_host,
const content::FileChooserParams& params) {
EnsureFileDialogManager();
file_dialog_manager_->RunFileChooser(render_frame_host, params);
}
bool CefBrowserHostImpl::HandleContextMenu(
content::WebContents* web_contents,
const content::ContextMenuParams& params) {
CEF_REQUIRE_UIT();
if (!menu_manager_.get() && platform_delegate_) {
menu_manager_.reset(
new CefMenuManager(this, platform_delegate_->CreateMenuRunner()));
}
return menu_manager_->CreateContextMenu(params);
}
void CefBrowserHostImpl::UpdatePreferredSize(content::WebContents* source,
const gfx::Size& pref_size) {
#if defined(OS_WIN) || (defined(OS_POSIX) && !defined(OS_MACOSX))
CEF_REQUIRE_UIT();
if (platform_delegate_)
platform_delegate_->SizeTo(pref_size.width(), pref_size.height());
#endif
}
void CefBrowserHostImpl::ResizeDueToAutoResize(content::WebContents* source,
const gfx::Size& new_size) {
CEF_REQUIRE_UIT();
if (client_) {
CefRefPtr<CefDisplayHandler> handler = client_->GetDisplayHandler();
if (handler && handler->OnAutoResize(
this, CefSize(new_size.width(), new_size.height()))) {
return;
}
}
UpdatePreferredSize(source, new_size);
}
void CefBrowserHostImpl::RequestMediaAccessPermission(
content::WebContents* web_contents,
const content::MediaStreamRequest& request,
content::MediaResponseCallback callback) {
CEF_REQUIRE_UIT();
content::MediaStreamDevices devices;
const base::CommandLine* command_line =
base::CommandLine::ForCurrentProcess();
if (!command_line->HasSwitch(switches::kEnableMediaStream)) {
// Cancel the request.
std::move(callback).Run(devices, content::MEDIA_DEVICE_PERMISSION_DENIED,
std::unique_ptr<content::MediaStreamUI>());
return;
}
// Based on chrome/browser/media/media_stream_devices_controller.cc
bool microphone_requested =
(request.audio_type == content::MEDIA_DEVICE_AUDIO_CAPTURE);
bool webcam_requested =
(request.video_type == content::MEDIA_DEVICE_VIDEO_CAPTURE);
bool screen_requested =
(request.video_type == content::MEDIA_DESKTOP_VIDEO_CAPTURE);
if (microphone_requested || webcam_requested || screen_requested) {
// Pick the desired device or fall back to the first available of the
// given type.
if (microphone_requested) {
CefMediaCaptureDevicesDispatcher::GetInstance()->GetRequestedDevice(
request.requested_audio_device_id, true, false, &devices);
}
if (webcam_requested) {
CefMediaCaptureDevicesDispatcher::GetInstance()->GetRequestedDevice(
request.requested_video_device_id, false, true, &devices);
}
if (screen_requested) {
content::DesktopMediaID media_id;
if (request.requested_video_device_id.empty()) {
media_id =
content::DesktopMediaID(content::DesktopMediaID::TYPE_SCREEN,
-1 /* webrtc::kFullDesktopScreenId */);
} else {
media_id =
content::DesktopMediaID::Parse(request.requested_video_device_id);
}
devices.push_back(content::MediaStreamDevice(
content::MEDIA_DESKTOP_VIDEO_CAPTURE, media_id.ToString(), "Screen"));
}
}
std::move(callback).Run(devices, content::MEDIA_DEVICE_OK,
std::unique_ptr<content::MediaStreamUI>());
}
bool CefBrowserHostImpl::CheckMediaAccessPermission(
content::RenderFrameHost* render_frame_host,
const GURL& security_origin,
content::MediaStreamType type) {
// Check media access permission without prompting the user. This is called
// when loading the Pepper Flash plugin.
const base::CommandLine* command_line =
base::CommandLine::ForCurrentProcess();
return command_line->HasSwitch(switches::kEnableMediaStream);
}
bool CefBrowserHostImpl::IsNeverVisible(content::WebContents* web_contents) {
if (extension_host_)
return extension_host_->IsNeverVisible(web_contents);
return false;
}
// content::WebContentsObserver methods.
// -----------------------------------------------------------------------------
void CefBrowserHostImpl::RenderFrameCreated(
content::RenderFrameHost* render_frame_host) {
const int render_process_id = render_frame_host->GetProcess()->GetID();
const int render_routing_id = render_frame_host->GetRoutingID();
if (!browser_info_->render_id_manager()->is_render_frame_id_match(
render_process_id, render_routing_id)) {
browser_info_->render_id_manager()->add_render_frame_id(render_process_id,
render_routing_id);
}
const int frame_tree_node_id = render_frame_host->GetFrameTreeNodeId();
if (!browser_info_->frame_tree_node_id_manager()->is_frame_tree_node_id_match(
frame_tree_node_id)) {
browser_info_->frame_tree_node_id_manager()->add_frame_tree_node_id(
frame_tree_node_id);
}
}
void CefBrowserHostImpl::RenderFrameHostChanged(
content::RenderFrameHost* old_host,
content::RenderFrameHost* new_host) {
// Just in case RenderFrameCreated wasn't called for some reason.
RenderFrameCreated(new_host);
}
void CefBrowserHostImpl::FrameDeleted(
content::RenderFrameHost* render_frame_host) {
// The ID entries should currently exist.
const int render_process_id = render_frame_host->GetProcess()->GetID();
const int render_routing_id = render_frame_host->GetRoutingID();
browser_info_->render_id_manager()->remove_render_frame_id(render_process_id,
render_routing_id);
const int frame_tree_node_id = render_frame_host->GetFrameTreeNodeId();
browser_info_->frame_tree_node_id_manager()->remove_frame_tree_node_id(
frame_tree_node_id);
if (web_contents()) {
const bool is_main_frame = (render_frame_host->GetParent() == nullptr);
CefBrowserContext* context =
static_cast<CefBrowserContext*>(web_contents()->GetBrowserContext());
if (context) {
context->OnRenderFrameDeleted(render_process_id, render_routing_id,
is_main_frame, false);
}
}
base::AutoLock lock_scope(state_lock_);
if (render_routing_id >= 0) {
FrameIdMap::iterator it = frames_.find(render_routing_id);
if (it != frames_.end()) {
it->second->Detach();
frames_.erase(it);
}
if (main_frame_id_ == render_routing_id)
main_frame_id_ = CefFrameHostImpl::kInvalidFrameId;
if (focused_frame_id_ == render_routing_id)
focused_frame_id_ = CefFrameHostImpl::kInvalidFrameId;
}
if (frame_tree_node_id >= 0) {
FrameTreeNodeIdMap::iterator it = pending_frames_.find(frame_tree_node_id);
if (it != pending_frames_.end()) {
it->second->Detach();
pending_frames_.erase(it);
}
}
}
void CefBrowserHostImpl::RenderViewCreated(
content::RenderViewHost* render_view_host) {
// May be already registered if the renderer crashed previously.
if (!registrar_->IsRegistered(
this, content::NOTIFICATION_FOCUS_CHANGED_IN_PAGE,
content::Source<content::RenderViewHost>(render_view_host))) {
registrar_->Add(this, content::NOTIFICATION_FOCUS_CHANGED_IN_PAGE,
content::Source<content::RenderViewHost>(render_view_host));
}
// RenderFrameCreated is otherwise not called for new popup browsers.
RenderFrameCreated(render_view_host->GetMainFrame());
platform_delegate_->RenderViewCreated(render_view_host);
}
void CefBrowserHostImpl::RenderViewDeleted(
content::RenderViewHost* render_view_host) {
if (registrar_->IsRegistered(
this, content::NOTIFICATION_FOCUS_CHANGED_IN_PAGE,
content::Source<content::RenderViewHost>(render_view_host))) {
registrar_->Remove(
this, content::NOTIFICATION_FOCUS_CHANGED_IN_PAGE,
content::Source<content::RenderViewHost>(render_view_host));
}
}
void CefBrowserHostImpl::RenderViewReady() {
ConfigureAutoResize();
// Send the queued messages.
queue_messages_ = false;
while (!queued_messages_.empty()) {
Send(queued_messages_.front());
queued_messages_.pop();
}
if (client_.get()) {
CefRefPtr<CefRequestHandler> handler = client_->GetRequestHandler();
if (handler.get())
handler->OnRenderViewReady(this);
}
}
void CefBrowserHostImpl::RenderProcessGone(base::TerminationStatus status) {
queue_messages_ = true;
cef_termination_status_t ts = TS_ABNORMAL_TERMINATION;
if (status == base::TERMINATION_STATUS_PROCESS_WAS_KILLED)
ts = TS_PROCESS_WAS_KILLED;
else if (status == base::TERMINATION_STATUS_PROCESS_CRASHED)
ts = TS_PROCESS_CRASHED;
else if (status != base::TERMINATION_STATUS_ABNORMAL_TERMINATION)
return;
if (client_.get()) {
CefRefPtr<CefRequestHandler> handler = client_->GetRequestHandler();
if (handler.get()) {
std::unique_ptr<NavigationLock> navigation_lock = CreateNavigationLock();
handler->OnRenderProcessTerminated(this, ts);
}
}
}
void CefBrowserHostImpl::DidFinishNavigation(
content::NavigationHandle* navigation_handle) {
const net::Error error_code = navigation_handle->GetNetErrorCode();
// Skip calls where the navigation has not yet committed and there is no
// error code. For example, when creating a browser without loading a URL.
if (!navigation_handle->HasCommitted() && error_code == net::OK)
return;
const int64 frame_id =
navigation_handle->GetRenderFrameHost()
? navigation_handle->GetRenderFrameHost()->GetRoutingID()
: CefFrameHostImpl::kUnspecifiedFrameId;
const bool is_main_frame = navigation_handle->IsInMainFrame();
const GURL& url =
(error_code == net::OK ? navigation_handle->GetURL() : GURL());
CefRefPtr<CefFrame> frame =
GetOrCreateFrame(frame_id, navigation_handle->GetFrameTreeNodeId(),
CefFrameHostImpl::kUnspecifiedFrameId, is_main_frame,
false, base::string16(), url);
if (error_code == net::OK) {
// The navigation has been committed and there is no error.
DCHECK(navigation_handle->HasCommitted());
// Don't call OnLoadStart for same page navigations (fragments,
// history state).
if (!navigation_handle->IsSameDocument())
OnLoadStart(frame, navigation_handle->GetPageTransition());
if (is_main_frame)
OnAddressChange(frame, url);
} else {
// The navigation failed with an error. This may happen before commit
// (e.g. network error) or after commit (e.g. response filter error).
// If the error happened before commit then this call will originate from
// RenderFrameHostImpl::OnDidFailProvisionalLoadWithError.
// OnLoadStart/OnLoadEnd will not be called.
OnLoadError(frame, navigation_handle->GetURL(), error_code);
}
if (web_contents()) {
CefBrowserContext* context =
static_cast<CefBrowserContext*>(web_contents()->GetBrowserContext());
if (context) {
context->AddVisitedURLs(navigation_handle->GetRedirectChain());
}
}
}
void CefBrowserHostImpl::DocumentAvailableInMainFrame() {
base::AutoLock lock_scope(state_lock_);
has_document_ = true;
}
void CefBrowserHostImpl::DidFailLoad(
content::RenderFrameHost* render_frame_host,
const GURL& validated_url,
int error_code,
const base::string16& error_description) {
// The navigation failed after commit. OnLoadStart was called so we also call
// OnLoadEnd.
const bool is_main_frame = !render_frame_host->GetParent();
CefRefPtr<CefFrame> frame =
GetOrCreateFrame(render_frame_host->GetRoutingID(),
render_frame_host->GetFrameTreeNodeId(),
CefFrameHostImpl::kUnspecifiedFrameId, is_main_frame,
false, base::string16(), validated_url);
OnLoadError(frame, validated_url, error_code);
OnLoadEnd(frame, validated_url, error_code);
}
void CefBrowserHostImpl::TitleWasSet(content::NavigationEntry* entry) {
// |entry| may be NULL if a popup is created via window.open and never
// navigated.
if (entry)
OnTitleChange(entry->GetTitle());
else if (web_contents())
OnTitleChange(web_contents()->GetTitle());
}
void CefBrowserHostImpl::PluginCrashed(const base::FilePath& plugin_path,
base::ProcessId plugin_pid) {
if (client_.get()) {
CefRefPtr<CefRequestHandler> handler = client_->GetRequestHandler();
if (handler.get())
handler->OnPluginCrashed(this, plugin_path.value());
}
}
void CefBrowserHostImpl::DidUpdateFaviconURL(
const std::vector<content::FaviconURL>& candidates) {
if (client_.get()) {
CefRefPtr<CefDisplayHandler> handler = client_->GetDisplayHandler();
if (handler.get()) {
std::vector<CefString> icon_urls;
std::vector<content::FaviconURL>::const_iterator it = candidates.begin();
for (; it != candidates.end(); ++it) {
if (it->icon_type == content::FaviconURL::IconType::kFavicon)
icon_urls.push_back(it->icon_url.spec());
}
if (!icon_urls.empty())
handler->OnFaviconURLChange(this, icon_urls);
}
}
}
bool CefBrowserHostImpl::OnMessageReceived(const IPC::Message& message) {
// Handle the cursor message here if mouse cursor change is disabled instead
// of propegating the message to the normal handler.
if (message.type() == ViewHostMsg_SetCursor::ID)
return IsMouseCursorChangeDisabled();
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(CefBrowserHostImpl, message)
IPC_MESSAGE_HANDLER(CefHostMsg_FrameIdentified, OnFrameIdentified)
IPC_MESSAGE_HANDLER(CefHostMsg_DidFinishLoad, OnDidFinishLoad)
IPC_MESSAGE_HANDLER(CefHostMsg_UpdateDraggableRegions,
OnUpdateDraggableRegions)
IPC_MESSAGE_HANDLER(CefHostMsg_Request, OnRequest)
IPC_MESSAGE_HANDLER(CefHostMsg_Response, OnResponse)
IPC_MESSAGE_HANDLER(CefHostMsg_ResponseAck, OnResponseAck)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
bool CefBrowserHostImpl::OnMessageReceived(
const IPC::Message& message,
content::RenderFrameHost* render_frame_host) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP_WITH_PARAM(CefBrowserHostImpl, message,
render_frame_host)
IPC_MESSAGE_HANDLER(CefHostMsg_FrameFocused, OnFrameFocused)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void CefBrowserHostImpl::AccessibilityEventReceived(
const content::AXEventNotificationDetails& content_event_bundle) {
// Only needed in windowless mode.
if (IsWindowless()) {
if (!web_contents() || !platform_delegate_)
return;
platform_delegate_->AccessibilityEventReceived(content_event_bundle);
}
}
void CefBrowserHostImpl::AccessibilityLocationChangesReceived(
const std::vector<content::AXLocationChangeNotificationDetails>& locData) {
// Only needed in windowless mode.
if (IsWindowless()) {
if (!web_contents() || !platform_delegate_)
return;
platform_delegate_->AccessibilityLocationChangesReceived(locData);
}
}
void CefBrowserHostImpl::OnWebContentsFocused(
content::RenderWidgetHost* render_widget_host) {
if (client_.get()) {
CefRefPtr<CefFocusHandler> handler = client_->GetFocusHandler();
if (handler.get())
handler->OnGotFocus(this);
}
}
void CefBrowserHostImpl::AddObserver(Observer* observer) {
CEF_REQUIRE_UIT();
observers_.AddObserver(observer);
}
void CefBrowserHostImpl::RemoveObserver(Observer* observer) {
CEF_REQUIRE_UIT();
observers_.RemoveObserver(observer);
}
bool CefBrowserHostImpl::HasObserver(Observer* observer) const {
CEF_REQUIRE_UIT();
return observers_.HasObserver(observer);
}
CefBrowserHostImpl::NavigationLock::NavigationLock(
CefRefPtr<CefBrowserHostImpl> browser)
: browser_(browser) {
CEF_REQUIRE_UIT();
browser_->navigation_lock_count_++;
}
CefBrowserHostImpl::NavigationLock::~NavigationLock() {
CEF_REQUIRE_UIT();
if (--browser_->navigation_lock_count_ == 0) {
if (!browser_->pending_navigation_action_.is_null()) {
CEF_POST_TASK(CEF_UIT, std::move(browser_->pending_navigation_action_));
}
}
}
std::unique_ptr<CefBrowserHostImpl::NavigationLock>
CefBrowserHostImpl::CreateNavigationLock() {
return base::WrapUnique(new NavigationLock(this));
}
bool CefBrowserHostImpl::navigation_locked() const {
CEF_REQUIRE_UIT();
return navigation_lock_count_ > 0;
}
void CefBrowserHostImpl::set_pending_navigation_action(
base::OnceClosure action) {
CEF_REQUIRE_UIT();
pending_navigation_action_ = std::move(action);
}
// content::WebContentsObserver::OnMessageReceived() message handlers.
// -----------------------------------------------------------------------------
void CefBrowserHostImpl::OnFrameIdentified(int64 frame_id,
int64 parent_frame_id,
base::string16 name) {
bool is_main_frame = (parent_frame_id == CefFrameHostImpl::kMainFrameId);
GetOrCreateFrame(frame_id, kUnspecifiedFrameTreeNodeId, parent_frame_id,
is_main_frame, false, name, GURL());
}
void CefBrowserHostImpl::OnFrameFocused(
content::RenderFrameHost* render_frame_host) {
const int64 frame_id = render_frame_host->GetRoutingID();
CefRefPtr<CefFrameHostImpl> unfocused_frame;
CefRefPtr<CefFrameHostImpl> focused_frame;
{
base::AutoLock lock_scope(state_lock_);
if (focused_frame_id_ != CefFrameHostImpl::kInvalidFrameId) {
// Unfocus the previously focused frame.
FrameIdMap::const_iterator it = frames_.find(frame_id);
if (it != frames_.end())
unfocused_frame = it->second;
}
// Focus the newly focused frame.
FrameIdMap::iterator it = frames_.find(frame_id);
if (it != frames_.end())
focused_frame = it->second;
focused_frame_id_ =
focused_frame.get() ? frame_id : CefFrameHostImpl::kInvalidFrameId;
}
if (unfocused_frame.get())
unfocused_frame->SetFocused(false);
if (focused_frame.get())
focused_frame->SetFocused(true);
}
void CefBrowserHostImpl::OnDidFinishLoad(int64 frame_id,
const GURL& validated_url,
bool is_main_frame,
int http_status_code) {
CefRefPtr<CefFrame> frame =
GetOrCreateFrame(frame_id, kUnspecifiedFrameTreeNodeId,
CefFrameHostImpl::kUnspecifiedFrameId, is_main_frame,
false, base::string16(), validated_url);
// Give internal scheme handlers an opportunity to update content.
scheme::DidFinishLoad(frame, validated_url);
OnLoadEnd(frame, validated_url, http_status_code);
}
void CefBrowserHostImpl::OnUpdateDraggableRegions(
const std::vector<Cef_DraggableRegion_Params>& regions) {
std::vector<CefDraggableRegion> draggable_regions;
draggable_regions.reserve(regions.size());
std::vector<Cef_DraggableRegion_Params>::const_iterator it = regions.begin();
for (; it != regions.end(); ++it) {
const gfx::Rect& rect(it->bounds);
const CefRect bounds(rect.x(), rect.y(), rect.width(), rect.height());
draggable_regions.push_back(CefDraggableRegion(bounds, it->draggable));
}
if (client_.get()) {
CefRefPtr<CefDragHandler> handler = client_->GetDragHandler();
if (handler.get()) {
handler->OnDraggableRegionsChanged(this, draggable_regions);
}
}
}
void CefBrowserHostImpl::OnRequest(const Cef_Request_Params& params) {
CEF_REQUIRE_UIT();
bool success = false;
std::string response;
bool expect_response_ack = false;
if (params.user_initiated) {
// Give the user a chance to handle the request.
if (client_.get()) {
CefRefPtr<CefProcessMessageImpl> message(new CefProcessMessageImpl(
const_cast<Cef_Request_Params*>(&params), false, true));
success =
client_->OnProcessMessageReceived(this, PID_RENDERER, message.get());
message->Detach(NULL);
}
} else {
// Invalid request.
NOTREACHED();
}
if (params.expect_response) {
DCHECK_GE(params.request_id, 0);
// Send a response to the renderer.
Cef_Response_Params response_params;
response_params.request_id = params.request_id;
response_params.success = success;
response_params.response = response;
response_params.expect_response_ack = expect_response_ack;
Send(new CefMsg_Response(MSG_ROUTING_NONE, response_params));
}
}
void CefBrowserHostImpl::OnResponse(const Cef_Response_Params& params) {
CEF_REQUIRE_UIT();
response_manager_->RunHandler(params);
if (params.expect_response_ack)
Send(new CefMsg_ResponseAck(MSG_ROUTING_NONE, params.request_id));
}
void CefBrowserHostImpl::OnResponseAck(int request_id) {
response_manager_->RunAckHandler(request_id);
}
// content::NotificationObserver methods.
// -----------------------------------------------------------------------------
void CefBrowserHostImpl::Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
DCHECK(type == content::NOTIFICATION_LOAD_STOP ||
type == content::NOTIFICATION_FOCUS_CHANGED_IN_PAGE);
if (type == content::NOTIFICATION_LOAD_STOP) {
content::NavigationController* controller =
content::Source<content::NavigationController>(source).ptr();
OnTitleChange(controller->GetWebContents()->GetTitle());
} else if (type == content::NOTIFICATION_FOCUS_CHANGED_IN_PAGE) {
focus_on_editable_field_ = *content::Details<bool>(details).ptr();
}
}
// CefBrowserHostImpl private methods.
// -----------------------------------------------------------------------------
CefBrowserHostImpl::CefBrowserHostImpl(
const CefBrowserSettings& settings,
CefRefPtr<CefClient> client,
content::WebContents* web_contents,
scoped_refptr<CefBrowserInfo> browser_info,
CefRefPtr<CefBrowserHostImpl> opener,
CefRefPtr<CefRequestContext> request_context,
std::unique_ptr<CefBrowserPlatformDelegate> platform_delegate,
CefRefPtr<CefExtension> extension)
: content::WebContentsObserver(web_contents),
settings_(settings),
client_(client),
browser_info_(browser_info),
opener_(kNullWindowHandle),
request_context_(request_context),
platform_delegate_(std::move(platform_delegate)),
is_windowless_(platform_delegate_->IsWindowless()),
is_views_hosted_(platform_delegate_->IsViewsHosted()),
host_window_handle_(kNullWindowHandle),
is_loading_(false),
can_go_back_(false),
can_go_forward_(false),
has_document_(false),
is_fullscreen_(false),
queue_messages_(true),
main_frame_id_(CefFrameHostImpl::kInvalidFrameId),
focused_frame_id_(CefFrameHostImpl::kInvalidFrameId),
destruction_state_(DESTRUCTION_STATE_NONE),
window_destroyed_(false),
is_in_onsetfocus_(false),
focus_on_editable_field_(false),
mouse_cursor_change_disabled_(false),
devtools_frontend_(NULL),
extension_(extension) {
if (opener.get() && !platform_delegate_->IsViewsHosted()) {
// GetOpenerWindowHandle() only returns a value for non-views-hosted
// popup browsers.
opener_ = opener->GetWindowHandle();
}
DCHECK(!browser_info_->browser().get());
browser_info_->set_browser(this);
web_contents->SetDelegate(this);
// Associate the WebContents with this browser object.
WebContentsUserDataAdapter::Register(this);
registrar_.reset(new content::NotificationRegistrar);
// When navigating through the history, the restored NavigationEntry's title
// will be used. If the entry ends up having the same title after we return
// to it, as will usually be the case, the
// NOTIFICATION_WEB_CONTENTS_TITLE_UPDATED will then be suppressed, since the
// NavigationEntry's title hasn't changed.
registrar_->Add(this, content::NOTIFICATION_LOAD_STOP,
content::Source<content::NavigationController>(
&web_contents->GetController()));
response_manager_.reset(new CefResponseManager);
PrefsTabHelper::CreateForWebContents(web_contents);
printing::CefPrintViewManager::CreateForWebContents(web_contents);
if (extensions::ExtensionsEnabled()) {
extensions::CefExtensionWebContentsObserver::CreateForWebContents(
web_contents);
// Used by the tabs extension API.
zoom::ZoomController::CreateForWebContents(web_contents);
}
// Make sure RenderViewCreated is called at least one time.
RenderViewCreated(web_contents->GetRenderViewHost());
// Associate the platform delegate with this browser.
platform_delegate_->BrowserCreated(this);
}
void CefBrowserHostImpl::set_owned_web_contents(
content::WebContents* owned_contents) {
// Should not currently own a WebContents.
CHECK(!owned_web_contents_);
// Should already be associated with |owned_contents|.
CHECK(web_contents() == owned_contents);
owned_web_contents_.reset(owned_contents);
}
bool CefBrowserHostImpl::CreateHostWindow() {
// |host_window_handle_| will not change after initial host creation for
// non-views-hosted browsers.
bool success = true;
if (!IsWindowless())
success = platform_delegate_->CreateHostWindow();
if (success && !IsViewsHosted())
host_window_handle_ = platform_delegate_->GetHostWindowHandle();
return success;
}
void CefBrowserHostImpl::CreateExtensionHost(
const extensions::Extension* extension,
content::BrowserContext* browser_context,
content::WebContents* host_contents,
const GURL& url,
extensions::ViewType host_type) {
DCHECK(!extension_host_);
// Use the *Impl context because ProcessManager expects it for notification
// registration.
CefBrowserContextImpl* impl_context =
CefBrowserContextImpl::GetForContext(browser_context);
if (host_type == extensions::VIEW_TYPE_EXTENSION_DIALOG ||
host_type == extensions::VIEW_TYPE_EXTENSION_POPUP) {
// Create an extension host that we own.
extension_host_ = new extensions::CefExtensionViewHost(
this, extension, impl_context, host_contents, url, host_type);
// Trigger load of the extension URL.
extension_host_->CreateRenderViewSoon();
} else if (host_type == extensions::VIEW_TYPE_EXTENSION_BACKGROUND_PAGE) {
is_background_host_ = true;
// Create an extension host that will be owned by ProcessManager.
extension_host_ = new extensions::CefExtensionBackgroundHost(
this, base::BindOnce(&CefBrowserHostImpl::OnExtensionHostDeleted, this),
extension, impl_context, host_contents, url, host_type);
// Load will be triggered by ProcessManager::CreateBackgroundHost.
} else {
NOTREACHED() << " Unsupported extension host type: " << host_type;
}
}
void CefBrowserHostImpl::DestroyExtensionHost() {
if (!extension_host_)
return;
if (extension_host_->extension_host_type() ==
extensions::VIEW_TYPE_EXTENSION_BACKGROUND_PAGE) {
DCHECK(is_background_host_);
// Close notification for background pages arrives via CloseContents.
// The extension host will be deleted by
// ProcessManager::CloseBackgroundHost and OnExtensionHostDeleted will be
// called to notify us.
extension_host_->Close();
} else {
DCHECK(!is_background_host_);
// We own the extension host and must delete it.
delete extension_host_;
extension_host_ = nullptr;
}
}
void CefBrowserHostImpl::OnExtensionHostDeleted() {
DCHECK(is_background_host_);
DCHECK(extension_host_);
extension_host_ = nullptr;
}
CefRefPtr<CefFrame> CefBrowserHostImpl::GetOrCreateFrame(
int64 frame_id,
int frame_tree_node_id,
int64 parent_frame_id,
bool is_main_frame,
bool is_main_frame_state_flaky,
base::string16 frame_name,
const GURL& frame_url) {
// We need either a valid |frame_id| or a valid |frame_tree_node_id|.
DCHECK(frame_id >= 0 || frame_tree_node_id >= kUnusedFrameTreeNodeId);
CefString url;
if (frame_url.is_valid())
url = frame_url.spec();
CefString name;
if (!frame_name.empty())
name = frame_name;
CefRefPtr<CefFrameHostImpl> frame;
bool frame_created = false;
base::AutoLock lock_scope(state_lock_);
if (frame_id < 0) {
// With PlzNavigate the renderer process representation might not exist yet.
if ((is_main_frame || is_main_frame_state_flaky) &&
main_frame_id_ != CefFrameHostImpl::kInvalidFrameId) {
// Operating in the main frame. Continue using the existing main frame
// object until the new renderer process representation is created.
frame_id = main_frame_id_;
} else {
if (is_main_frame || is_main_frame_state_flaky) {
// Always use the same pending object for the main frame.
frame_tree_node_id = kMainFrameTreeNodeId;
}
// Operating in a sub-frame, or the main frame hasn't yet navigated for
// the first time. Use a pending object keyed on |frame_tree_node_id|.
frame = GetOrCreatePendingFrame(frame_tree_node_id, parent_frame_id,
&frame_created);
}
}
if (!frame) {
// Delete the pending object, if any.
{
FrameTreeNodeIdMap::iterator it =
pending_frames_.find(frame_tree_node_id);
if (it != pending_frames_.end()) {
DCHECK_EQ(is_main_frame, it->second->IsMain());
// Persist URL and name to the new frame.
if (url.empty())
url = it->second->GetURL();
if (name.empty())
name = it->second->GetName();
pending_frames_.erase(it);
}
}
// Update the main frame object if the ID has changed.
if (is_main_frame && main_frame_id_ != frame_id) {
if (main_frame_id_ != CefFrameHostImpl::kInvalidFrameId) {
// Remove the old main frame object before adding the new one.
FrameIdMap::iterator it = frames_.find(main_frame_id_);
if (it != frames_.end()) {
// Persist URL and name to the new main frame.
if (url.empty())
url = it->second->GetURL();
if (name.empty())
name = it->second->GetName();
it->second->Detach();
frames_.erase(it);
}
if (focused_frame_id_ == main_frame_id_)
focused_frame_id_ = frame_id;
}
main_frame_id_ = frame_id;
}
// Check if a frame object already exists for the ID. If so, re-use it.
{
FrameIdMap::const_iterator it = frames_.find(frame_id);
if (it != frames_.end())
frame = it->second;
}
if (!frame) {
frame = new CefFrameHostImpl(this, frame_id, is_main_frame, url, name,
parent_frame_id);
frame_created = true;
frames_.insert(std::make_pair(frame_id, frame));
}
}
if (!frame_created && !is_main_frame_state_flaky)
frame->SetAttributes(is_main_frame, url, name, parent_frame_id);
#if DCHECK_IS_ON()
// The main frame should always be correctly attributed.
DCHECK(main_frame_id_ == CefFrameHostImpl::kInvalidFrameId ||
main_frame_id_ >= 0)
<< main_frame_id_;
if (main_frame_id_ == CefFrameHostImpl::kInvalidFrameId) {
// With PlzNavigate the renderer process representation might not exist yet.
DCHECK(frame_id == CefFrameHostImpl::kMainFrameId ||
frame_id == CefFrameHostImpl::kUnspecifiedFrameId)
<< frame_id;
DCHECK(frame->IsMain());
} else if (main_frame_id_ == frame_id) {
DCHECK(frame->IsMain());
} else {
DCHECK(!frame->IsMain());
}
#endif
return frame.get();
}
CefRefPtr<CefFrameHostImpl> CefBrowserHostImpl::GetOrCreatePendingFrame(
int frame_tree_node_id,
int64 parent_frame_id,
bool* created) {
const bool is_main_frame = (frame_tree_node_id == kMainFrameTreeNodeId);
DCHECK(is_main_frame || frame_tree_node_id >= 0);
state_lock_.AssertAcquired();
FrameTreeNodeIdMap::const_iterator it =
pending_frames_.find(frame_tree_node_id);
if (it != pending_frames_.end()) {
DCHECK_EQ(is_main_frame, it->second->IsMain());
return it->second;
}
CefRefPtr<CefFrameHostImpl> frame = new CefFrameHostImpl(
this, CefFrameHostImpl::kInvalidFrameId, is_main_frame, CefString(),
CefString(), parent_frame_id);
pending_frames_.insert(std::make_pair(frame_tree_node_id, frame));
if (created)
*created = true;
return frame;
}
void CefBrowserHostImpl::DetachAllFrames() {
FrameIdMap frames;
FrameTreeNodeIdMap pending_frames;
{
base::AutoLock lock_scope(state_lock_);
frames = frames_;
frames_.clear();
pending_frames = pending_frames_;
pending_frames_.clear();
if (main_frame_id_ != CefFrameHostImpl::kInvalidFrameId)
main_frame_id_ = CefFrameHostImpl::kInvalidFrameId;
if (focused_frame_id_ != CefFrameHostImpl::kInvalidFrameId)
focused_frame_id_ = CefFrameHostImpl::kInvalidFrameId;
}
{
FrameIdMap::const_iterator it = frames.begin();
for (; it != frames.end(); ++it)
it->second->Detach();
}
{
FrameTreeNodeIdMap::const_iterator it = pending_frames.begin();
for (; it != pending_frames.end(); ++it)
it->second->Detach();
}
}
gfx::Point CefBrowserHostImpl::GetScreenPoint(const gfx::Point& view) const {
CEF_REQUIRE_UIT();
if (platform_delegate_)
return platform_delegate_->GetScreenPoint(view);
return gfx::Point();
}
void CefBrowserHostImpl::StartDragging(
const content::DropData& drop_data,
blink::WebDragOperationsMask allowed_ops,
const gfx::ImageSkia& image,
const gfx::Vector2d& image_offset,
const content::DragEventSourceInfo& event_info,
content::RenderWidgetHostImpl* source_rwh) {
if (platform_delegate_) {
platform_delegate_->StartDragging(drop_data, allowed_ops, image,
image_offset, event_info, source_rwh);
}
}
void CefBrowserHostImpl::UpdateDragCursor(blink::WebDragOperation operation) {
if (platform_delegate_)
platform_delegate_->UpdateDragCursor(operation);
}
void CefBrowserHostImpl::OnAddressChange(CefRefPtr<CefFrame> frame,
const GURL& url) {
if (client_.get()) {
CefRefPtr<CefDisplayHandler> handler = client_->GetDisplayHandler();
if (handler.get()) {
// Notify the handler of an address change.
handler->OnAddressChange(this, GetMainFrame(), url.spec());
}
}
}
void CefBrowserHostImpl::OnLoadStart(CefRefPtr<CefFrame> frame,
ui::PageTransition transition_type) {
if (client_.get()) {
CefRefPtr<CefLoadHandler> handler = client_->GetLoadHandler();
if (handler.get()) {
// Notify the handler that loading has started.
handler->OnLoadStart(this, frame,
static_cast<cef_transition_type_t>(transition_type));
}
}
}
void CefBrowserHostImpl::OnLoadError(CefRefPtr<CefFrame> frame,
const GURL& url,
int error_code) {
if (client_.get()) {
CefRefPtr<CefLoadHandler> handler = client_->GetLoadHandler();
if (handler.get()) {
std::unique_ptr<NavigationLock> navigation_lock = CreateNavigationLock();
// Notify the handler that loading has failed.
handler->OnLoadError(this, frame,
static_cast<cef_errorcode_t>(error_code),
net::ErrorToShortString(error_code), url.spec());
}
}
}
void CefBrowserHostImpl::OnLoadEnd(CefRefPtr<CefFrame> frame,
const GURL& url,
int http_status_code) {
if (client_.get()) {
CefRefPtr<CefLoadHandler> handler = client_->GetLoadHandler();
if (handler.get())
handler->OnLoadEnd(this, frame, http_status_code);
}
}
void CefBrowserHostImpl::OnFullscreenModeChange(bool fullscreen) {
if (is_fullscreen_ == fullscreen)
return;
is_fullscreen_ = fullscreen;
WasResized();
if (client_.get()) {
CefRefPtr<CefDisplayHandler> handler = client_->GetDisplayHandler();
if (handler.get())
handler->OnFullscreenModeChange(this, fullscreen);
}
}
void CefBrowserHostImpl::OnTitleChange(const base::string16& title) {
if (client_.get()) {
CefRefPtr<CefDisplayHandler> handler = client_->GetDisplayHandler();
if (handler.get())
handler->OnTitleChange(this, title);
}
}
void CefBrowserHostImpl::OnDevToolsWebContentsDestroyed() {
devtools_observer_.reset();
devtools_frontend_ = NULL;
}
void CefBrowserHostImpl::EnsureFileDialogManager() {
CEF_REQUIRE_UIT();
if (!file_dialog_manager_.get() && platform_delegate_) {
file_dialog_manager_.reset(new CefFileDialogManager(
this, platform_delegate_->CreateFileDialogRunner()));
}
}
void CefBrowserHostImpl::ConfigureAutoResize() {
CEF_REQUIRE_UIT();
if (!web_contents() || !web_contents()->GetRenderWidgetHostView()) {
return;
}
if (auto_resize_enabled_) {
web_contents()->GetRenderWidgetHostView()->EnableAutoResize(
auto_resize_min_, auto_resize_max_);
} else {
web_contents()->GetRenderWidgetHostView()->DisableAutoResize(gfx::Size());
}
}
bool CefBrowserHostImpl::Send(IPC::Message* message) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(base::IgnoreResult(&CefBrowserHostImpl::Send),
this, message));
return true;
}
if (queue_messages_) {
queued_messages_.push(message);
return true;
} else if (web_contents()) {
content::RenderViewHost* rvh = web_contents()->GetRenderViewHost();
if (rvh) {
message->set_routing_id(rvh->GetRoutingID());
return rvh->Send(message);
}
}
delete message;
return false;
}
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