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cef/libcef/browser/browser_host_impl.cc

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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.h"
#include "libcef/browser/chrome_scheme_handler.h"
#include "libcef/browser/content_browser_client.h"
#include "libcef/browser/context.h"
#include "libcef/browser/devtools_delegate.h"
#include "libcef/browser/navigate_params.h"
#include "libcef/browser/scheme_registration.h"
#include "libcef/browser/thread_util.h"
#include "libcef/browser/url_request_context_getter.h"
#include "libcef/browser/url_request_context_getter_proxy.h"
#include "libcef/common/cef_messages.h"
#include "libcef/common/http_header_utils.h"
#include "libcef/common/main_delegate.h"
#include "libcef/common/process_message_impl.h"
#include "libcef/common/request_impl.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "content/browser/renderer_host/render_view_host_impl.h"
#include "content/browser/web_contents/web_contents_impl.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/notification_details.h"
#include "content/public/browser/notification_source.h"
#include "content/public/browser/notification_types.h"
#include "content/public/browser/resource_request_info.h"
#include "content/public/common/file_chooser_params.h"
#include "ui/base/dialogs/selected_file_info.h"
#if defined(OS_WIN)
#include "libcef/browser/render_widget_host_view_osr.h"
#include "libcef/browser/web_contents_view_osr.h"
#endif
namespace {
class CreateBrowserHelper {
public:
CreateBrowserHelper(const CefWindowInfo& windowInfo,
CefRefPtr<CefClient> client,
const CefString& url,
const CefBrowserSettings& settings)
: window_info_(windowInfo),
client_(client),
url_(url),
settings_(settings) {}
CefWindowInfo window_info_;
CefRefPtr<CefClient> client_;
CefString url_;
CefBrowserSettings settings_;
};
void CreateBrowserWithHelper(CreateBrowserHelper* helper) {
CefBrowserHost::CreateBrowserSync(helper->window_info_, helper->client_,
helper->url_, helper->settings_);
delete helper;
}
// Convert a NativeWebKeyboardEvent to a CefKeyEvent.
bool GetCefKeyEvent(const content::NativeWebKeyboardEvent& event,
CefKeyEvent& cef_event) {
switch (event.type) {
case WebKit::WebKeyboardEvent::RawKeyDown:
cef_event.type = KEYEVENT_RAWKEYDOWN;
break;
case WebKit::WebKeyboardEvent::KeyDown:
cef_event.type = KEYEVENT_KEYDOWN;
break;
case WebKit::WebKeyboardEvent::KeyUp:
cef_event.type = KEYEVENT_KEYUP;
break;
case WebKit::WebKeyboardEvent::Char:
cef_event.type = KEYEVENT_CHAR;
break;
default:
return false;
}
cef_event.modifiers = 0;
if (event.modifiers & WebKit::WebKeyboardEvent::ShiftKey)
cef_event.modifiers |= KEY_SHIFT;
if (event.modifiers & WebKit::WebKeyboardEvent::ControlKey)
cef_event.modifiers |= KEY_CTRL;
if (event.modifiers & WebKit::WebKeyboardEvent::AltKey)
cef_event.modifiers |= KEY_ALT;
if (event.modifiers & WebKit::WebKeyboardEvent::MetaKey)
cef_event.modifiers |= KEY_META;
if (event.modifiers & WebKit::WebKeyboardEvent::IsKeyPad)
cef_event.modifiers |= KEY_KEYPAD;
cef_event.windows_key_code = event.windowsKeyCode;
cef_event.native_key_code = event.nativeKeyCode;
cef_event.is_system_key = event.isSystemKey;
cef_event.character = event.text[0];
cef_event.unmodified_character = event.unmodifiedText[0];
return true;
}
class CefFileDialogCallbackImpl : public CefFileDialogCallback {
public:
explicit CefFileDialogCallbackImpl(
const CefBrowserHostImpl::RunFileChooserCallback& callback)
: callback_(callback) {
}
~CefFileDialogCallbackImpl() {
if (!callback_.is_null()) {
// The callback is still pending. Cancel it now.
if (CEF_CURRENTLY_ON_UIT()) {
CancelNow(callback_);
} else {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefFileDialogCallbackImpl::CancelNow, callback_));
}
}
}
virtual void Continue(const std::vector<CefString>& file_paths) OVERRIDE {
if (CEF_CURRENTLY_ON_UIT()) {
if (!callback_.is_null()) {
std::vector<FilePath> vec;
if (!file_paths.empty()) {
std::vector<CefString>::const_iterator it = file_paths.begin();
for (; it != file_paths.end(); ++it)
vec.push_back(FilePath(*it));
}
callback_.Run(vec);
callback_.Reset();
}
} else {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefFileDialogCallbackImpl::Continue, this, file_paths));
}
}
virtual void Cancel() OVERRIDE {
if (CEF_CURRENTLY_ON_UIT()) {
if (!callback_.is_null()) {
CancelNow(callback_);
callback_.Reset();
}
} else {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefFileDialogCallbackImpl::Cancel, this));
}
}
bool IsConnected() {
return !callback_.is_null();
}
void Disconnect() {
callback_.Reset();
}
private:
static void CancelNow(
const CefBrowserHostImpl::RunFileChooserCallback& callback) {
CEF_REQUIRE_UIT();
std::vector<FilePath> file_paths;
callback.Run(file_paths);
}
CefBrowserHostImpl::RunFileChooserCallback callback_;
IMPLEMENT_REFCOUNTING(CefFileDialogCallbackImpl);
};
class CefRunFileDialogCallbackWrapper
: public base::RefCountedThreadSafe<CefRunFileDialogCallbackWrapper> {
public:
CefRunFileDialogCallbackWrapper(CefRefPtr<CefBrowserHost> host,
CefRefPtr<CefRunFileDialogCallback> callback)
: host_(host),
callback_(callback) {
}
void Callback(const std::vector<FilePath>& file_paths) {
std::vector<CefString> paths;
if (file_paths.size() > 0) {
for (size_t i = 0; i < file_paths.size(); ++i)
paths.push_back(file_paths[i].value());
}
callback_->OnFileDialogDismissed(host_, paths);
}
private:
CefRefPtr<CefBrowserHost> host_;
CefRefPtr<CefRunFileDialogCallback> callback_;
};
} // namespace
// CefBrowserHost static methods.
// -----------------------------------------------------------------------------
// static
bool CefBrowserHost::CreateBrowser(const CefWindowInfo& windowInfo,
CefRefPtr<CefClient> client,
const CefString& url,
const CefBrowserSettings& settings) {
// 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 that render handler is in place for a windowless browser.
if (CefBrowserHostImpl::IsWindowRenderingDisabled(windowInfo) &&
!client->GetRenderHandler().get()) {
NOTREACHED() << "CefRenderHandler implementation is required";
return false;
}
// Create the browser on the UI thread.
CreateBrowserHelper* helper =
new CreateBrowserHelper(windowInfo, client, url, settings);
CEF_POST_TASK(CEF_UIT, base::Bind(CreateBrowserWithHelper, helper));
return true;
}
// static
CefRefPtr<CefBrowser> CefBrowserHost::CreateBrowserSync(
const CefWindowInfo& windowInfo,
CefRefPtr<CefClient> client,
const CefString& url,
const CefBrowserSettings& settings) {
// Verify that the context is in a valid state.
if (!CONTEXT_STATE_VALID()) {
NOTREACHED() << "context not valid";
return NULL;
}
// Verify that the settings structure is a valid size.
if (settings.size != sizeof(cef_browser_settings_t)) {
NOTREACHED() << "invalid CefBrowserSettings structure size";
return NULL;
}
// Verify that this method is being called on the UI thread.
if (!CEF_CURRENTLY_ON_UIT()) {
NOTREACHED() << "called on invalid thread";
return NULL;
}
if (CefBrowserHostImpl::IsWindowRenderingDisabled(windowInfo) &&
!client->GetRenderHandler().get()) {
NOTREACHED() << "CefRenderHandler implementation is required";
return NULL;
}
_Context->browser_context()->set_use_osr_next_contents_view(
CefBrowserHostImpl::IsWindowRenderingDisabled(windowInfo));
int browser_id = _Context->GetNextBrowserID();
CefRefPtr<CefBrowserHostImpl> browser =
CefBrowserHostImpl::Create(windowInfo, settings, client, NULL, browser_id,
NULL);
if (!url.empty())
browser->LoadURL(CefFrameHostImpl::kMainFrameId, url);
return browser.get();
}
// CefBrowserHostImpl static methods.
// -----------------------------------------------------------------------------
// static
CefRefPtr<CefBrowserHostImpl> CefBrowserHostImpl::Create(
const CefWindowInfo& window_info,
const CefBrowserSettings& settings,
CefRefPtr<CefClient> client,
content::WebContents* web_contents,
int browser_id,
CefWindowHandle opener) {
CEF_REQUIRE_UIT();
if (web_contents == NULL) {
web_contents = content::WebContents::Create(
_Context->browser_context(),
NULL,
MSG_ROUTING_NONE,
NULL);
}
CefRefPtr<CefBrowserHostImpl> browser =
new CefBrowserHostImpl(window_info, settings, client, web_contents,
browser_id, opener);
if (!browser->IsWindowRenderingDisabled() &&
!browser->PlatformCreateWindow()) {
return NULL;
}
// TODO(port): Implement this method to work on other platforms as part of
// off-screen rendering support.
#if defined(OS_WIN)
if (browser->IsWindowRenderingDisabled()) {
CefRenderWidgetHostViewOSR* view =
static_cast<CefRenderWidgetHostViewOSR*>(
web_contents->GetRenderViewHost()->GetView());
if (view)
view->set_browser_impl(browser);
}
#endif // OS_WIN
_Context->AddBrowser(browser);
if (client.get()) {
CefRefPtr<CefLifeSpanHandler> handler = client->GetLifeSpanHandler();
if (handler.get())
handler->OnAfterCreated(browser.get());
}
return browser;
}
// static
CefRefPtr<CefBrowserHostImpl> CefBrowserHostImpl::GetBrowserForHost(
const content::RenderViewHost* host) {
DCHECK(host);
CEF_REQUIRE_UIT();
content::WebContentsImpl* web_contents =
static_cast<content::WebContentsImpl*>(host->GetDelegate());
if (web_contents)
return static_cast<CefBrowserHostImpl*>(web_contents->GetDelegate());
return NULL;
}
// static
CefRefPtr<CefBrowserHostImpl> CefBrowserHostImpl::GetBrowserForContents(
content::WebContents* contents) {
DCHECK(contents);
CEF_REQUIRE_UIT();
return static_cast<CefBrowserHostImpl*>(contents->GetDelegate());
}
// static
CefRefPtr<CefBrowserHostImpl> CefBrowserHostImpl::GetBrowserForRequest(
net::URLRequest* request) {
DCHECK(request);
CEF_REQUIRE_IOT();
int render_process_id = -1;
int render_view_id = -1;
if (!content::ResourceRequestInfo::GetRenderViewForRequest(request,
&render_process_id,
&render_view_id)) {
return NULL;
}
return GetBrowserByRoutingID(render_process_id, render_view_id);
}
// static
CefRefPtr<CefBrowserHostImpl> CefBrowserHostImpl::GetBrowserByRoutingID(
int render_process_id, int render_view_id) {
if (CEF_CURRENTLY_ON_UIT()) {
// Use the non-thread-safe but potentially faster approach.
content::RenderViewHost* render_view_host =
content::RenderViewHost::FromID(render_process_id, render_view_id);
if (!render_view_host)
return NULL;
return GetBrowserForHost(render_view_host);
} else {
// Use the thread-safe approach.
return _Context->GetBrowserByRoutingID(render_process_id, render_view_id);
}
}
// static
CefRefPtr<CefBrowserHostImpl> CefBrowserHostImpl::GetBrowserByChildID(
int render_process_id) {
if (CEF_CURRENTLY_ON_UIT()) {
// Use the non-thread-safe but potentially faster approach.
content::RenderProcessHost* render_process_host =
content::RenderProcessHost::FromID(render_process_id);
if (!render_process_host)
return NULL;
content::RenderProcessHost::RenderWidgetHostsIterator iter(
render_process_host->GetRenderWidgetHostsIterator());
if (!iter.IsAtEnd()) {
const content::RenderWidgetHost* widget = iter.GetCurrentValue();
// This implementation is based on an assumption that each process hosts a
// single renderer. Revisit this implementation if the assumption proves
// false.
iter.Advance();
DCHECK(iter.IsAtEnd());
if (widget && widget->IsRenderView()) {
return GetBrowserForHost(content::RenderViewHost::From(
const_cast<content::RenderWidgetHost*>(widget)));
}
}
return NULL;
} else {
// Use the thread-safe approach.
return _Context->GetBrowserByRoutingID(render_process_id, 0);
}
}
// CefBrowserHost methods.
// -----------------------------------------------------------------------------
CefRefPtr<CefBrowser> CefBrowserHostImpl::GetBrowser() {
return this;
}
void CefBrowserHostImpl::CloseBrowser() {
if (CEF_CURRENTLY_ON_UIT()) {
if (IsWindowRenderingDisabled()) {
if (AllowDestroyBrowser()) {
ParentWindowWillClose();
DestroyBrowser();
}
} else {
PlatformCloseWindow();
}
} else {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefBrowserHostImpl::CloseBrowser, this));
}
}
void CefBrowserHostImpl::ParentWindowWillClose() {
}
void CefBrowserHostImpl::SetFocus(bool enable) {
if (!enable)
return;
OnSetFocus(FOCUS_SOURCE_SYSTEM);
}
CefWindowHandle CefBrowserHostImpl::GetWindowHandle() {
return PlatformGetWindowHandle();
}
CefWindowHandle CefBrowserHostImpl::GetOpenerWindowHandle() {
return opener_;
}
CefRefPtr<CefClient> CefBrowserHostImpl::GetClient() {
return client_;
}
CefString CefBrowserHostImpl::GetDevToolsURL(bool http_scheme) {
base::AutoLock lock_scope(state_lock_);
return (http_scheme ? devtools_url_http_ : devtools_url_chrome_);
}
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_.get())
return web_contents_->GetZoomLevel();
return 0;
}
void CefBrowserHostImpl::SetZoomLevel(double zoomLevel) {
if (CEF_CURRENTLY_ON_UIT()) {
if (web_contents_.get() && web_contents_->GetRenderViewHost())
web_contents_->GetRenderViewHost()->SetZoomLevel(zoomLevel);
} else {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefBrowserHostImpl::SetZoomLevel, this, zoomLevel));
}
}
void CefBrowserHostImpl::RunFileDialog(
FileDialogMode mode,
const CefString& title,
const CefString& default_file_name,
const std::vector<CefString>& accept_types,
CefRefPtr<CefRunFileDialogCallback> callback) {
DCHECK(callback.get());
if (!callback.get())
return;
content::FileChooserParams params;
switch (mode) {
case FILE_DIALOG_OPEN:
params.mode = content::FileChooserParams::Open;
break;
case FILE_DIALOG_OPEN_MULTIPLE:
params.mode = content::FileChooserParams::OpenMultiple;
break;
case FILE_DIALOG_SAVE:
params.mode = content::FileChooserParams::Save;
break;
}
params.title = title;
if (!default_file_name.empty())
params.default_file_name = FilePath(default_file_name);
if (!accept_types.empty()) {
std::vector<CefString>::const_iterator it = accept_types.begin();
for (; it != accept_types.end(); ++it)
params.accept_types.push_back(*it);
}
scoped_refptr<CefRunFileDialogCallbackWrapper> wrapper =
new CefRunFileDialogCallbackWrapper(this, callback);
RunFileChooser(params,
base::Bind(&CefRunFileDialogCallbackWrapper::Callback, wrapper));
}
bool CefBrowserHostImpl::IsWindowRenderingDisabled() {
return IsWindowRenderingDisabled(window_info_);
}
void CefBrowserHostImpl::WasResized() {
if (!IsWindowRenderingDisabled()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT, base::Bind(&CefBrowserHostImpl::WasResized, this));
return;
}
if (!web_contents())
return;
content::RenderWidgetHost* widget = web_contents()->GetRenderViewHost();
if (widget)
widget->WasResized();
}
void CefBrowserHostImpl::Invalidate(const CefRect& dirtyRect) {
if (!IsWindowRenderingDisabled()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefBrowserHostImpl::Invalidate, this, dirtyRect));
return;
}
if (!web_contents())
return;
#if defined(OS_WIN)
content::RenderWidgetHostView* view =
web_contents()->GetRenderViewHost()->GetView();
CefRenderWidgetHostViewOSR* orview =
static_cast<CefRenderWidgetHostViewOSR*>(view);
if (orview) {
gfx::Rect rect(dirtyRect.x, dirtyRect.y,
dirtyRect.width, dirtyRect.height);
orview->Invalidate(rect);
}
#else
// TODO(port): Implement this method to work on other platforms as part of
// off-screen rendering support.
NOTREACHED();
#endif
}
void CefBrowserHostImpl::SendKeyEvent(const CefKeyEvent& event) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefBrowserHostImpl::SendKeyEvent, this, event));
return;
}
if (!web_contents())
return;
content::RenderWidgetHost* widget = web_contents()->GetRenderViewHost();
if (!widget)
return;
gfx::NativeEvent native_event;
if (PlatformTranslateKeyEvent(native_event, event))
widget->ForwardKeyboardEvent(content::NativeWebKeyboardEvent(native_event));
}
void CefBrowserHostImpl::SendMouseClickEvent(int x, int y,
MouseButtonType type, bool mouseUp, int clickCount) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefBrowserHostImpl::SendMouseClickEvent, this, x, y, type,
mouseUp, clickCount));
return;
}
if (!web_contents())
return;
content::RenderWidgetHost* widget = web_contents()->GetRenderViewHost();
if (!widget)
return;
WebKit::WebMouseEvent event;
if (PlatformTranslateClickEvent(event, x, y, type, mouseUp, clickCount))
widget->ForwardMouseEvent(event);
}
void CefBrowserHostImpl::SendMouseMoveEvent(int x, int y, bool mouseLeave) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefBrowserHostImpl::SendMouseMoveEvent, this, x, y,
mouseLeave));
return;
}
if (!web_contents())
return;
content::RenderWidgetHost* widget = web_contents()->GetRenderViewHost();
if (!widget)
return;
WebKit::WebMouseEvent event;
if (PlatformTranslateMoveEvent(event, x, y, mouseLeave))
widget->ForwardMouseEvent(event);
}
void CefBrowserHostImpl::SendMouseWheelEvent(int x, int y,
int deltaX, int deltaY) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefBrowserHostImpl::SendMouseWheelEvent, this, x, y,
deltaX, deltaY));
return;
}
if (!web_contents())
return;
content::RenderWidgetHost* widget = web_contents()->GetRenderViewHost();
if (!widget)
return;
WebKit::WebMouseWheelEvent event;
if (PlatformTranslateWheelEvent(event, x, y, deltaX, deltaY))
widget->ForwardWheelEvent(event);
}
void CefBrowserHostImpl::SendFocusEvent(bool setFocus) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefBrowserHostImpl::SendFocusEvent, this, setFocus));
return;
}
if (!web_contents())
return;
content::RenderWidgetHostImpl* widget =
content::RenderWidgetHostImpl::From(web_contents()->GetRenderViewHost());
if (!widget)
return;
if (setFocus) {
widget->GotFocus();
widget->SetActive(true);
} else {
widget->SetActive(false);
widget->Blur();
}
}
void CefBrowserHostImpl::SendCaptureLostEvent() {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefBrowserHostImpl::SendCaptureLostEvent, this));
return;
}
if (!web_contents())
return;
content::RenderWidgetHostImpl* widget =
content::RenderWidgetHostImpl::From(web_contents()->GetRenderViewHost());
if (!widget)
return;
widget->LostCapture();
}
// 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 (web_contents_.get() && web_contents_->GetController().CanGoBack())
web_contents_->GetController().GoBack();
} else {
CEF_POST_TASK(CEF_UIT,
base::Bind(&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 (web_contents_.get() && web_contents_->GetController().CanGoForward())
web_contents_->GetController().GoForward();
} else {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefBrowserHostImpl::GoForward, this));
}
}
bool CefBrowserHostImpl::IsLoading() {
base::AutoLock lock_scope(state_lock_);
return is_loading_;
}
void CefBrowserHostImpl::Reload() {
if (CEF_CURRENTLY_ON_UIT()) {
if (web_contents_.get())
web_contents_->GetController().Reload(true);
} else {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefBrowserHostImpl::Reload, this));
}
}
void CefBrowserHostImpl::ReloadIgnoreCache() {
if (CEF_CURRENTLY_ON_UIT()) {
if (web_contents_.get())
web_contents_->GetController().ReloadIgnoringCache(true);
} else {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefBrowserHostImpl::ReloadIgnoreCache, this));
}
}
void CefBrowserHostImpl::StopLoad() {
if (CEF_CURRENTLY_ON_UIT()) {
if (web_contents_.get())
web_contents_->Stop();
} else {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefBrowserHostImpl::StopLoad, this));
}
}
int CefBrowserHostImpl::GetIdentifier() {
return browser_id();
}
bool CefBrowserHostImpl::IsPopup() {
return (opener_ != NULL);
}
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 placeholder_frame_.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 NULL;
FrameMap::const_iterator it = frames_.find(identifier);
if (it != frames_.end())
return it->second.get();
return NULL;
}
CefRefPtr<CefFrame> CefBrowserHostImpl::GetFrame(const CefString& name) {
base::AutoLock lock_scope(state_lock_);
FrameMap::const_iterator it = frames_.begin();
for (; it != frames_.end(); ++it) {
if (it->second->GetName() == name)
return it->second.get();
}
return NULL;
}
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();
FrameMap::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();
FrameMap::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(message.get());
Cef_Request_Params params;
CefProcessMessageImpl* impl =
static_cast<CefProcessMessageImpl*>(message.get());
if (impl->CopyTo(params)) {
return SendProcessMessage(target_process, params.name, &params.arguments,
true);
}
return false;
}
// CefBrowserHostImpl public methods.
// -----------------------------------------------------------------------------
bool CefBrowserHostImpl::AllowDestroyBrowser() {
if (client_.get()) {
CefRefPtr<CefLifeSpanHandler> handler =
client_->GetLifeSpanHandler();
if (handler.get()) {
// Give the client a chance to handle this one.
return !handler->DoClose(this);
}
}
return true;
}
void CefBrowserHostImpl::DestroyBrowser() {
CEF_REQUIRE_UIT();
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);
}
}
while (!queued_messages_.empty()) {
delete queued_messages_.front();
queued_messages_.pop();
}
registrar_.reset(NULL);
response_manager_.reset(NULL);
content::WebContentsObserver::Observe(NULL);
web_contents_.reset(NULL);
DetachAllFrames();
request_context_proxy_ = NULL;
// Remove the browser from the list maintained by the context.
_Context->RemoveBrowser(this);
}
gfx::NativeView CefBrowserHostImpl::GetContentView() const {
CEF_REQUIRE_UIT();
if (!web_contents_.get())
return NULL;
return web_contents_->GetNativeView();
}
content::WebContents* CefBrowserHostImpl::GetWebContents() const {
CEF_REQUIRE_UIT();
return web_contents_.get();
}
net::URLRequestContextGetter* CefBrowserHostImpl::GetRequestContext() {
CEF_REQUIRE_UIT();
if (!request_context_proxy_) {
request_context_proxy_ =
new CefURLRequestContextGetterProxy(this,
static_cast<CefURLRequestContextGetter*>(
_Context->browser_context()->GetRequestContext()));
}
return request_context_proxy_.get();
}
CefRefPtr<CefFrame> CefBrowserHostImpl::GetFrameForRequest(
net::URLRequest* request) {
CEF_REQUIRE_IOT();
const content::ResourceRequestInfo* info =
content::ResourceRequestInfo::ForRequest(request);
if (!info)
return NULL;
return GetOrCreateFrame(info->GetFrameID(), info->GetParentFrameID(),
info->IsMainFrame(), 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()) {
DLOG(ERROR) << "Invalid URL passed to CefBrowserHostImpl::Navigate: " <<
params.url;
return;
}
request.method = params.method;
request.referrer = params.referrer.url;
request.referrer_policy = params.referrer.policy;
request.frame_id = params.frame_id;
request.first_party_for_cookies = params.first_party_for_cookies;
request.headers = params.headers;
request.load_flags = params.load_flags;
request.upload_data = params.upload_data;
Send(new CefMsg_LoadRequest(routing_id(), request));
OnSetFocus(FOCUS_SOURCE_NAVIGATION);
}
void CefBrowserHostImpl::LoadRequest(int64 frame_id,
CefRefPtr<CefRequest> request) {
CefNavigateParams params(GURL(std::string(request->GetURL())),
content::PAGE_TRANSITION_TYPED);
params.method = request->GetMethod();
params.frame_id = frame_id;
params.first_party_for_cookies =
GURL(std::string(request->GetFirstPartyForCookies()));
CefRequest::HeaderMap headerMap;
request->GetHeaderMap(headerMap);
if (!headerMap.empty())
params.headers = HttpHeaderUtils::GenerateHeaders(headerMap);
CefRefPtr<CefPostData> postData = request->GetPostData();
if (postData.get()) {
CefPostDataImpl* impl = static_cast<CefPostDataImpl*>(postData.get());
params.upload_data = new net::UploadData();
impl->Get(*params.upload_data.get());
}
params.load_flags = request->GetFlags();
Navigate(params);
}
void CefBrowserHostImpl::LoadURL(int64 frame_id, const std::string& url) {
if (frame_id == CefFrameHostImpl::kMainFrameId) {
// Go through the navigation controller.
if (CEF_CURRENTLY_ON_UIT()) {
if (web_contents_.get()) {
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()) {
DLOG(ERROR) <<
"Invalid URL passed to CefBrowserHostImpl::LoadURL: " << url;
return;
}
// Update the loading URL.
OnLoadingURLChange(gurl);
web_contents_->GetController().LoadURL(
gurl,
content::Referrer(),
content::PAGE_TRANSITION_TYPED,
std::string());
OnSetFocus(FOCUS_SOURCE_NAVIGATION);
}
} else {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefBrowserHostImpl::LoadURL, this, frame_id, url));
}
} else {
CefNavigateParams params(GURL(url), content::PAGE_TRANSITION_TYPED);
params.frame_id = frame_id;
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.Append(base::Value::CreateStringValue(string));
params.arguments.Append(base::Value::CreateStringValue(url));
Send(new CefMsg_Request(routing_id(), 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()) {
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.Append(base::Value::CreateStringValue(command));
Send(new CefMsg_Request(routing_id(), params));
} else {
CEF_POST_TASK(CEF_UIT,
base::Bind(&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()) {
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.Append(base::Value::CreateBooleanValue(is_javascript));
params.arguments.Append(base::Value::CreateStringValue(code));
params.arguments.Append(base::Value::CreateStringValue(script_url));
params.arguments.Append(base::Value::CreateIntegerValue(script_start_line));
Send(new CefMsg_Request(routing_id(), params));
} else {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefBrowserHostImpl::SendCode, this, frame_id, is_javascript,
code, script_url, script_start_line, responseHandler));
}
}
bool CefBrowserHostImpl::SendProcessMessage(CefProcessId target_process,
const std::string& name,
base::ListValue* arguments,
bool user_initiated) {
DCHECK_EQ(PID_RENDERER, target_process);
DCHECK(!name.empty());
Cef_Request_Params params;
params.name = name;
if (arguments)
params.arguments.Swap(arguments);
params.frame_id = -1;
params.user_initiated = user_initiated;
params.request_id = -1;
params.expect_response = false;
return Send(new CefMsg_Request(routing_id(), params));
}
bool CefBrowserHostImpl::ViewText(const std::string& text) {
return PlatformViewText(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)
PlatformHandleExternalProtocol(url);
} else {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefBrowserHostImpl::HandleExternalProtocol, this, url));
}
}
bool CefBrowserHostImpl::HasIDMatch(int render_process_id, int render_view_id) {
base::AutoLock lock_scope(state_lock_);
if (render_process_id != render_process_id_)
return false;
return (render_view_id == 0 || render_view_id == render_view_id_);
}
GURL CefBrowserHostImpl::GetLoadingURL() {
base::AutoLock lock_scope(state_lock_);
return loading_url_;
}
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 (web_contents_.get())
web_contents_->Focus();
} else {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefBrowserHostImpl::OnSetFocus, this, source));
}
}
void CefBrowserHostImpl::RunFileChooser(
const content::FileChooserParams& params,
const RunFileChooserCallback& callback) {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefBrowserHostImpl::RunFileChooserOnUIThread, this, params,
callback));
}
// content::WebContentsDelegate methods.
// -----------------------------------------------------------------------------
content::WebContents* CefBrowserHostImpl::OpenURLFromTab(
content::WebContents* source,
const content::OpenURLParams& params) {
// Start the new navigation.
CefNavigateParams nav_params(params.url, params.transition);
nav_params.referrer = params.referrer;
nav_params.frame_id = params.source_frame_id;
nav_params.disposition = params.disposition;
nav_params.user_gesture = true;
nav_params.override_encoding = params.override_encoding;
nav_params.is_renderer_initiated = params.is_renderer_initiated;
nav_params.transferred_global_request_id =
params.transferred_global_request_id;
Navigate(nav_params);
return source;
}
void CefBrowserHostImpl::LoadingStateChanged(content::WebContents* source) {
int current_index = web_contents_->GetController().GetCurrentEntryIndex();
int max_index = web_contents_->GetController().GetEntryCount() - 1;
bool is_loading, can_go_back, can_go_forward;
{
base::AutoLock lock_scope(state_lock_);
is_loading = is_loading_ = web_contents_->IsLoading();
can_go_back = can_go_back_ = (current_index > 0);
can_go_forward = can_go_forward_ = (current_index < max_index);
}
if (client_.get()) {
CefRefPtr<CefDisplayHandler> handler = client_->GetDisplayHandler();
if (handler.get()) {
handler->OnLoadingStateChange(this, is_loading, can_go_back,
can_go_forward);
}
}
}
void CefBrowserHostImpl::CloseContents(content::WebContents* source) {
PlatformCloseWindow();
}
void CefBrowserHostImpl::UpdateTargetURL(content::WebContents* source,
int32 page_id,
const GURL& url) {
if (client_.get()) {
CefRefPtr<CefDisplayHandler> handler = client_->GetDisplayHandler();
if (handler.get())
handler->OnStatusMessage(this, url.spec());
}
}
bool CefBrowserHostImpl::AddMessageToConsole(content::WebContents* source,
int32 level,
const string16& message,
int32 line_no,
const string16& source_id) {
if (client_.get()) {
CefRefPtr<CefDisplayHandler> handler = client_->GetDisplayHandler();
if (handler.get())
return handler->OnConsoleMessage(this, message, source_id, line_no);
}
return false;
}
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;
}
void CefBrowserHostImpl::WebContentsFocused(content::WebContents* contents) {
if (client_.get()) {
CefRefPtr<CefFocusHandler> handler = client_->GetFocusHandler();
if (handler.get())
handler->OnGotFocus(this);
}
}
bool CefBrowserHostImpl::HandleContextMenu(
const content::ContextMenuParams& params) {
if (!menu_creator_.get())
menu_creator_.reset(new CefMenuCreator(this));
return menu_creator_->CreateContextMenu(params);
}
bool CefBrowserHostImpl::PreHandleKeyboardEvent(
content::WebContents* source,
const content::NativeWebKeyboardEvent& event,
bool* is_keyboard_shortcut) {
if (client_.get()) {
CefRefPtr<CefKeyboardHandler> handler = client_->GetKeyboardHandler();
if (handler.get()) {
CefKeyEvent cef_event;
if (!GetCefKeyEvent(event, cef_event))
return false;
#if defined(OS_WIN)
CefEventHandle os_event = const_cast<CefEventHandle>(&event.os_event);
#else
CefEventHandle os_event = event.os_event;
#endif
cef_event.focus_on_editable_field = focus_on_editable_field_;
return handler->OnPreKeyEvent(this, cef_event, os_event,
is_keyboard_shortcut);
}
}
return false;
}
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 (client_.get()) {
CefRefPtr<CefKeyboardHandler> handler = client_->GetKeyboardHandler();
if (handler.get()) {
CefKeyEvent cef_event;
if (GetCefKeyEvent(event, cef_event)) {
#if defined(OS_WIN)
CefEventHandle os_event = const_cast<CefEventHandle>(&event.os_event);
#else
CefEventHandle os_event = event.os_event;
#endif
cef_event.focus_on_editable_field = focus_on_editable_field_;
if (handler->OnKeyEvent(this, cef_event, os_event))
return;
}
}
}
PlatformHandleKeyboardEvent(event);
}
bool CefBrowserHostImpl::ShouldCreateWebContents(
content::WebContents* web_contents,
int route_id,
WindowContainerType window_container_type,
const string16& frame_name,
const GURL& target_url) {
// Start with the current browser window's client and settings.
pending_client_ = client_;
pending_settings_ = settings_;
// TODO(cef): Figure out how to populate these values.
// See: http://crbug.com/110510
CefPopupFeatures features;
pending_window_info_ = CefWindowInfo();
#if defined(OS_WIN)
pending_window_info_.SetAsPopup(NULL, CefString());
#endif
#if (defined(OS_WIN) || defined(OS_MACOSX))
// Default to the size from the popup features.
if (features.xSet)
pending_window_info_.x = features.x;
if (features.ySet)
pending_window_info_.y = features.y;
if (features.widthSet)
pending_window_info_.width = features.width;
if (features.heightSet)
pending_window_info_.height = features.height;
#endif
if (client_.get()) {
CefRefPtr<CefLifeSpanHandler> handler = client_->GetLifeSpanHandler();
// Give the handler an opportunity to modify window attributes, handler,
// or cancel the window creation.
if (handler.get() &&
handler->OnBeforePopup(this, features, pending_window_info_,
target_url.spec(), pending_client_,
pending_settings_)) {
pending_client_ = NULL;
return false;
}
}
if (IsWindowRenderingDisabled(pending_window_info_) &&
!pending_client_->GetRenderHandler().get()) {
NOTREACHED() << "CefRenderHandler implementation is required";
return false;
}
_Context->browser_context()->set_use_osr_next_contents_view(
IsWindowRenderingDisabled(pending_window_info_));
return true;
}
void CefBrowserHostImpl::WebContentsCreated(
content::WebContents* source_contents,
int64 source_frame_id,
const GURL& target_url,
content::WebContents* new_contents) {
CefWindowHandle opener = NULL;
if (source_contents)
opener = GetBrowserForContents(source_contents)->GetWindowHandle();
CefContentBrowserClient::NewPopupBrowserInfo info;
CefContentBrowserClient::Get()->GetNewPopupBrowserInfo(
new_contents->GetRenderProcessHost()->GetID(),
new_contents->GetRoutingID(),
&info);
DCHECK_GT(info.browser_id, 0);
CefRefPtr<CefBrowserHostImpl> browser = CefBrowserHostImpl::Create(
pending_window_info_, pending_settings_, pending_client_, new_contents,
info.browser_id, opener);
pending_client_ = NULL;
}
void CefBrowserHostImpl::DidNavigateMainFramePostCommit(
content::WebContents* tab) {
base::AutoLock lock_scope(state_lock_);
has_document_ = false;
}
content::JavaScriptDialogCreator*
CefBrowserHostImpl::GetJavaScriptDialogCreator() {
if (!dialog_creator_.get())
dialog_creator_.reset(new CefJavaScriptDialogCreator(this));
return dialog_creator_.get();
}
void CefBrowserHostImpl::RunFileChooser(
content::WebContents* tab,
const content::FileChooserParams& params) {
content::RenderViewHost* render_view_host = tab->GetRenderViewHost();
if (!render_view_host)
return;
RunFileChooserOnUIThread(params,
base::Bind(&CefBrowserHostImpl::OnRunFileChooserDelegateCallback, this,
tab));
}
void CefBrowserHostImpl::UpdatePreferredSize(content::WebContents* source,
const gfx::Size& pref_size) {
PlatformSizeTo(pref_size.width(), pref_size.height());
}
void CefBrowserHostImpl::RequestMediaAccessPermission(
content::WebContents* web_contents,
const content::MediaStreamRequest* request,
const content::MediaResponseCallback& callback) {
CEF_CURRENTLY_ON_UIT();
content::MediaStreamDevices devices;
for (content::MediaStreamDeviceMap::const_iterator it =
request->devices.begin(); it != request->devices.end(); ++it) {
devices.push_back(*it->second.begin());
}
// TODO(cef): Give the user an opportunity to approve the device list or run
// the callback with an empty device list to cancel the request.
callback.Run(devices);
}
// content::WebContentsObserver methods.
// -----------------------------------------------------------------------------
void CefBrowserHostImpl::RenderViewCreated(
content::RenderViewHost* render_view_host) {
SetRenderViewHost(render_view_host);
}
void CefBrowserHostImpl::RenderViewDeleted(
content::RenderViewHost* render_view_host) {
registrar_->Remove(this, content::NOTIFICATION_FOCUS_CHANGED_IN_PAGE,
content::Source<content::RenderViewHost>(render_view_host));
}
void CefBrowserHostImpl::RenderViewReady() {
if (IsPopup()) {
CefContentBrowserClient::Get()->ClearNewPopupBrowserInfo(
web_contents()->GetRenderProcessHost()->GetID(),
web_contents()->GetRoutingID());
}
// Send the queued messages.
queue_messages_ = false;
while (!queued_messages_.empty()) {
Send(queued_messages_.front());
queued_messages_.pop();
}
}
void CefBrowserHostImpl::RenderViewGone(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<CefLoadHandler> handler = client_->GetLoadHandler();
if (handler.get())
handler->OnRenderProcessTerminated(this, ts);
}
}
void CefBrowserHostImpl::DidCommitProvisionalLoadForFrame(
int64 frame_id,
bool is_main_frame,
const GURL& url,
content::PageTransition transition_type,
content::RenderViewHost* render_view_host) {
CefRefPtr<CefFrame> frame = GetOrCreateFrame(frame_id,
CefFrameHostImpl::kUnspecifiedFrameId, is_main_frame, string16(), url);
OnLoadStart(frame, url, transition_type);
if (is_main_frame)
OnAddressChange(frame, url);
}
void CefBrowserHostImpl::DidFailProvisionalLoad(
int64 frame_id,
bool is_main_frame,
const GURL& validated_url,
int error_code,
const string16& error_description,
content::RenderViewHost* render_view_host) {
CefRefPtr<CefFrame> frame = GetOrCreateFrame(frame_id,
CefFrameHostImpl::kUnspecifiedFrameId, is_main_frame, string16(),
validated_url);
OnLoadError(frame, validated_url, error_code, error_description);
}
void CefBrowserHostImpl::DocumentAvailableInMainFrame() {
base::AutoLock lock_scope(state_lock_);
has_document_ = true;
}
void CefBrowserHostImpl::DidFailLoad(
int64 frame_id,
const GURL& validated_url,
bool is_main_frame,
int error_code,
const string16& error_description,
content::RenderViewHost* render_view_host) {
CefRefPtr<CefFrame> frame = GetOrCreateFrame(frame_id,
CefFrameHostImpl::kUnspecifiedFrameId, is_main_frame, string16(),
validated_url);
OnLoadError(frame, validated_url, error_code, error_description);
OnLoadEnd(frame, validated_url, error_code);
}
void CefBrowserHostImpl::PluginCrashed(const FilePath& plugin_path) {
if (client_.get()) {
CefRefPtr<CefLoadHandler> handler = client_->GetLoadHandler();
if (handler.get())
handler->OnPluginCrashed(this, plugin_path.value());
}
}
bool CefBrowserHostImpl::OnMessageReceived(const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(CefBrowserHostImpl, message)
IPC_MESSAGE_HANDLER(CefHostMsg_FrameIdentified, OnFrameIdentified)
IPC_MESSAGE_HANDLER(CefHostMsg_FrameDetached, DetachFrame)
IPC_MESSAGE_HANDLER(CefHostMsg_FrameFocusChange, SetFocusedFrame)
IPC_MESSAGE_HANDLER(CefHostMsg_DidFinishLoad, OnDidFinishLoad)
IPC_MESSAGE_HANDLER(CefHostMsg_LoadingURLChange, OnLoadingURLChange)
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::Send(IPC::Message* message) {
if (CEF_CURRENTLY_ON_UIT()) {
if (queue_messages_) {
queued_messages_.push(message);
return true;
} else {
return content::WebContentsObserver::Send(message);
}
} else {
CEF_POST_TASK(CEF_UIT,
base::Bind(base::IgnoreResult(&CefBrowserHostImpl::Send), this,
message));
return true;
}
}
// content::WebContentsObserver::OnMessageReceived() message handlers.
// -----------------------------------------------------------------------------
void CefBrowserHostImpl::OnFrameIdentified(int64 frame_id,
int64 parent_frame_id,
string16 name) {
bool is_main_frame = (parent_frame_id == CefFrameHostImpl::kMainFrameId);
GetOrCreateFrame(frame_id, parent_frame_id, is_main_frame, name, GURL());
}
void CefBrowserHostImpl::OnDidFinishLoad(int64 frame_id,
const GURL& validated_url,
bool is_main_frame,
int http_status_code) {
CefRefPtr<CefFrame> frame = GetOrCreateFrame(frame_id,
CefFrameHostImpl::kUnspecifiedFrameId, is_main_frame, 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::OnLoadingURLChange(const GURL& loading_url) {
base::AutoLock lock_scope(state_lock_);
loading_url_ = loading_url;
}
void CefBrowserHostImpl::OnRequest(const Cef_Request_Params& params) {
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 if (params.name == scheme::kChromeProcessMessage) {
scheme::OnChromeProcessMessage(this, params.arguments);
} 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(routing_id(), response_params));
}
}
void CefBrowserHostImpl::OnResponse(const Cef_Response_Params& params) {
response_manager_->RunHandler(params);
if (params.expect_response_ack)
Send(new CefMsg_ResponseAck(routing_id(), 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_WEB_CONTENTS_TITLE_UPDATED ||
type == content::NOTIFICATION_FOCUS_CHANGED_IN_PAGE);
if (type == content::NOTIFICATION_WEB_CONTENTS_TITLE_UPDATED) {
std::pair<content::NavigationEntry*, bool>* title =
content::Details<std::pair<content::NavigationEntry*, bool> >(
details).ptr();
if (title->first) {
if (client_.get()) {
CefRefPtr<CefDisplayHandler> handler = client_->GetDisplayHandler();
if (handler.get()) {
CefString title_str = title->first->GetTitleForDisplay("");
handler->OnTitleChange(this, title_str);
}
}
}
} else if (type == content::NOTIFICATION_FOCUS_CHANGED_IN_PAGE) {
focus_on_editable_field_ = *content::Details<bool>(details).ptr();
}
}
// CefBrowserHostImpl private methods.
// -----------------------------------------------------------------------------
CefBrowserHostImpl::CefBrowserHostImpl(const CefWindowInfo& window_info,
const CefBrowserSettings& settings,
CefRefPtr<CefClient> client,
content::WebContents* web_contents,
int browser_id,
CefWindowHandle opener)
: content::WebContentsObserver(web_contents),
window_info_(window_info),
settings_(settings),
client_(client),
browser_id_(browser_id),
opener_(opener),
render_process_id_(MSG_ROUTING_NONE),
render_view_id_(MSG_ROUTING_NONE),
is_loading_(false),
can_go_back_(false),
can_go_forward_(false),
has_document_(false),
queue_messages_(true),
main_frame_id_(CefFrameHostImpl::kInvalidFrameId),
focused_frame_id_(CefFrameHostImpl::kInvalidFrameId),
is_in_onsetfocus_(false),
focus_on_editable_field_(false),
file_chooser_pending_(false) {
web_contents_.reset(web_contents);
web_contents->SetDelegate(this);
registrar_.reset(new content::NotificationRegistrar);
registrar_->Add(this, content::NOTIFICATION_WEB_CONTENTS_TITLE_UPDATED,
content::Source<content::WebContents>(web_contents));
response_manager_.reset(new CefResponseManager);
placeholder_frame_ =
new CefFrameHostImpl(this, CefFrameHostImpl::kInvalidFrameId, true);
SetRenderViewHost(web_contents->GetRenderViewHost());
}
void CefBrowserHostImpl::SetRenderViewHost(content::RenderViewHost* rvh) {
{
base::AutoLock lock_scope(state_lock_);
render_view_id_ = rvh->GetRoutingID();
render_process_id_ = rvh->GetProcess()->GetID();
// Update the DevTools URLs, if any.
CefDevToolsDelegate* devtools_delegate = _Context->devtools_delegate();
if (devtools_delegate) {
devtools_url_http_ = devtools_delegate->GetDevToolsURL(rvh, true);
devtools_url_chrome_ = devtools_delegate->GetDevToolsURL(rvh, false);
}
}
if (!registrar_->IsRegistered(
this, content::NOTIFICATION_FOCUS_CHANGED_IN_PAGE,
content::Source<content::RenderViewHost>(rvh))) {
registrar_->Add(this, content::NOTIFICATION_FOCUS_CHANGED_IN_PAGE,
content::Source<content::RenderViewHost>(rvh));
}
}
CefRefPtr<CefFrame> CefBrowserHostImpl::GetOrCreateFrame(
int64 frame_id, int64 parent_frame_id, bool is_main_frame,
string16 frame_name, const GURL& frame_url) {
DCHECK(frame_id > CefFrameHostImpl::kInvalidFrameId);
if (frame_id <= CefFrameHostImpl::kInvalidFrameId)
return NULL;
CefString url;
if (frame_url.is_valid())
url = frame_url.spec();
CefString name;
if (!frame_name.empty())
name = frame_name;
base::AutoLock lock_scope(state_lock_);
if (is_main_frame)
main_frame_id_ = frame_id;
CefRefPtr<CefFrameHostImpl> frame;
// Check if a frame object already exists.
FrameMap::const_iterator it = frames_.find(frame_id);
if (it != frames_.end())
frame = it->second.get();
if (!frame.get()) {
// Create a new frame object.
frame = new CefFrameHostImpl(this, frame_id, is_main_frame);
frames_.insert(std::make_pair(frame_id, frame));
}
if (!url.empty())
frame->SetURL(url);
if (!name.empty())
frame->SetName(name);
if (parent_frame_id != CefFrameHostImpl::kUnspecifiedFrameId)
frame->SetParentId(parent_frame_id);
return frame.get();
}
void CefBrowserHostImpl::DetachFrame(int64 frame_id) {
base::AutoLock lock_scope(state_lock_);
FrameMap::iterator it = frames_.find(frame_id);
if (it != frames_.end()) {
it->second->Detach();
frames_.erase(it);
}
if (main_frame_id_ == frame_id)
main_frame_id_ = CefFrameHostImpl::kInvalidFrameId;
if (focused_frame_id_ == frame_id)
focused_frame_id_ = CefFrameHostImpl::kInvalidFrameId;
}
void CefBrowserHostImpl::DetachAllFrames() {
base::AutoLock lock_scope(state_lock_);
FrameMap::const_iterator it = frames_.begin();
for (; it != frames_.end(); ++it)
it->second->Detach();
frames_.clear();
if (main_frame_id_ != CefFrameHostImpl::kInvalidFrameId)
main_frame_id_ = CefFrameHostImpl::kInvalidFrameId;
if (focused_frame_id_ != CefFrameHostImpl::kInvalidFrameId)
focused_frame_id_ = CefFrameHostImpl::kInvalidFrameId;
}
void CefBrowserHostImpl::SetFocusedFrame(int64 frame_id) {
base::AutoLock lock_scope(state_lock_);
if (focused_frame_id_ != CefFrameHostImpl::kInvalidFrameId) {
// Unfocus the previously focused frame.
FrameMap::const_iterator it = frames_.find(frame_id);
if (it != frames_.end())
it->second->SetFocused(false);
}
if (frame_id != CefFrameHostImpl::kInvalidFrameId) {
// Focus the newly focused frame.
FrameMap::iterator it = frames_.find(frame_id);
if (it != frames_.end()) {
it->second->SetFocused(true);
focused_frame_id_ = frame_id;
return;
}
}
// No valid frame found.
focused_frame_id_ = CefFrameHostImpl::kInvalidFrameId;
}
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,
const GURL& url,
content::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);
}
}
}
void CefBrowserHostImpl::OnLoadError(CefRefPtr<CefFrame> frame,
const GURL& url,
int error_code,
const string16& error_description) {
if (client_.get()) {
CefRefPtr<CefLoadHandler> handler = client_->GetLoadHandler();
if (handler.get()) {
// Notify the handler that loading has failed.
handler->OnLoadError(this, frame,
static_cast<cef_errorcode_t>(error_code),
CefString(error_description),
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::RunFileChooserOnUIThread(
const content::FileChooserParams& params,
const RunFileChooserCallback& callback) {
CEF_REQUIRE_UIT();
if (file_chooser_pending_) {
// Dismiss the new dialog immediately.
callback.Run(std::vector<FilePath>());
return;
}
if (params.mode == content::FileChooserParams::OpenFolder) {
NOTIMPLEMENTED();
callback.Run(std::vector<FilePath>());
return;
}
file_chooser_pending_ = true;
// Ensure that the |file_chooser_pending_| flag is cleared.
const RunFileChooserCallback& host_callback =
base::Bind(&CefBrowserHostImpl::OnRunFileChooserCallback, this, callback);
bool handled = false;
if (client_.get()) {
CefRefPtr<CefDialogHandler> handler = client_->GetDialogHandler();
if (handler.get()) {
cef_file_dialog_mode_t mode;
switch (params.mode) {
case content::FileChooserParams::Open:
mode = FILE_DIALOG_OPEN;
break;
case content::FileChooserParams::OpenMultiple:
mode = FILE_DIALOG_OPEN_MULTIPLE;
break;
case content::FileChooserParams::Save:
mode = FILE_DIALOG_SAVE;
break;
default:
NOTREACHED();
break;
}
std::vector<CefString> accept_types;
std::vector<string16>::const_iterator it = params.accept_types.begin();
for (; it != params.accept_types.end(); ++it)
accept_types.push_back(*it);
CefRefPtr<CefFileDialogCallbackImpl> callbackImpl(
new CefFileDialogCallbackImpl(host_callback));
handled = handler->OnFileDialog(this, mode, params.title,
params.default_file_name.value(),
accept_types, callbackImpl.get());
if (!handled) {
if (callbackImpl->IsConnected()) {
callbackImpl->Disconnect();
} else {
// User executed the callback even though they returned false.
NOTREACHED();
handled = true;
}
}
}
}
if (!handled)
PlatformRunFileChooser(params, host_callback);
}
void CefBrowserHostImpl::OnRunFileChooserCallback(
const RunFileChooserCallback& callback,
const std::vector<FilePath>& file_paths) {
CEF_REQUIRE_UIT();
file_chooser_pending_ = false;
// Execute the callback asynchronously.
CEF_POST_TASK(CEF_UIT, base::Bind(callback, file_paths));
}
void CefBrowserHostImpl::OnRunFileChooserDelegateCallback(
content::WebContents* tab,
const std::vector<FilePath>& file_paths) {
CEF_REQUIRE_UIT();
content::RenderViewHost* render_view_host = tab->GetRenderViewHost();
if (!render_view_host)
return;
const int kReadFilePermissions =
base::PLATFORM_FILE_OPEN |
base::PLATFORM_FILE_READ |
base::PLATFORM_FILE_EXCLUSIVE_READ |
base::PLATFORM_FILE_ASYNC;
// Convert FilePath list to SelectedFileInfo list.
std::vector<ui::SelectedFileInfo> selected_files;
for (size_t i = 0; i < file_paths.size(); ++i)
selected_files.push_back(ui::SelectedFileInfo(file_paths[i], FilePath()));
// Notify our RenderViewHost in all cases.
render_view_host->FilesSelectedInChooser(selected_files,
kReadFilePermissions);
}
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