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f45e7582d0c59e8cbb0c95d8c3603ef316cb4ffd
cef/libcef/browser/alloy/alloy_browser_host_impl.cc
Marshall Greenblatt 49a4611e28 Rename SendFocusEvent to SetFocus (fixes issue #866) 
Also removes CefBrowserHost::SendFocusEvent. Use the existing SetFocus method
instead.
2021-09-27 18:23:00 +03:00

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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/alloy/alloy_browser_host_impl.h"
#include <string>
#include <utility>
#include "libcef/browser/alloy/alloy_browser_context.h"
#include "libcef/browser/audio_capturer.h"
#include "libcef/browser/browser_context.h"
#include "libcef/browser/browser_info.h"
#include "libcef/browser/browser_info_manager.h"
#include "libcef/browser/browser_platform_delegate.h"
#include "libcef/browser/context.h"
#include "libcef/browser/devtools/devtools_manager.h"
#include "libcef/browser/media_capture_devices_dispatcher.h"
#include "libcef/browser/native/cursor_util.h"
#include "libcef/browser/osr/osr_util.h"
#include "libcef/browser/request_context_impl.h"
#include "libcef/browser/thread_util.h"
#include "libcef/common/cef_switches.h"
#include "libcef/common/drag_data_impl.h"
#include "libcef/common/frame_util.h"
#include "libcef/common/net/url_util.h"
#include "libcef/common/request_impl.h"
#include "libcef/common/values_impl.h"
#include "libcef/features/runtime_checks.h"
#include "base/bind.h"
#include "base/callback_helpers.h"
#include "base/command_line.h"
#include "chrome/browser/picture_in_picture/picture_in_picture_window_manager.h"
#include "content/browser/gpu/compositor_util.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/public/browser/desktop_media_id.h"
#include "content/public/browser/file_select_listener.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_handle.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/render_widget_host_observer.h"
#include "content/public/browser/web_contents.h"
#include "extensions/common/constants.h"
#include "extensions/common/extension.h"
#include "net/base/net_errors.h"
#include "third_party/blink/public/mojom/page/widget.mojom-test-utils.h"
#include "ui/events/base_event_utils.h"
using content::KeyboardEventProcessingResult;
namespace {
class ShowDevToolsHelper {
public:
ShowDevToolsHelper(CefRefPtr<AlloyBrowserHostImpl> 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<AlloyBrowserHostImpl> 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;
}
class CefWidgetHostInterceptor
: public blink::mojom::WidgetHostInterceptorForTesting,
public content::RenderWidgetHostObserver {
public:
CefWidgetHostInterceptor(AlloyBrowserHostImpl* browser,
content::RenderViewHost* render_view_host)
: browser_(browser),
render_widget_host_(
content::RenderWidgetHostImpl::From(render_view_host->GetWidget())),
impl_(render_widget_host_->widget_host_receiver_for_testing()
.SwapImplForTesting(this)) {
render_widget_host_->AddObserver(this);
}
blink::mojom::WidgetHost* GetForwardingInterface() override { return impl_; }
// WidgetHostInterceptorForTesting method:
void SetCursor(const ui::Cursor& cursor) override {
if (cursor_util::OnCursorChange(browser_, cursor)) {
// Don't change the cursor.
return;
}
GetForwardingInterface()->SetCursor(cursor);
}
// RenderWidgetHostObserver method:
void RenderWidgetHostDestroyed(
content::RenderWidgetHost* widget_host) override {
widget_host->RemoveObserver(this);
delete this;
}
private:
AlloyBrowserHostImpl* const browser_;
content::RenderWidgetHostImpl* const render_widget_host_;
blink::mojom::WidgetHost* const impl_;
DISALLOW_COPY_AND_ASSIGN(CefWidgetHostInterceptor);
};
static constexpr base::TimeDelta kRecentlyAudibleTimeout =
base::TimeDelta::FromSeconds(2);
} // namespace
// AlloyBrowserHostImpl static methods.
// -----------------------------------------------------------------------------
// static
CefRefPtr<AlloyBrowserHostImpl> AlloyBrowserHostImpl::Create(
CefBrowserCreateParams& 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(),
create_params.extra_info);
bool own_web_contents = false;
// This call may modify |create_params|.
auto web_contents =
platform_delegate->CreateWebContents(create_params, own_web_contents);
auto request_context_impl =
static_cast<CefRequestContextImpl*>(create_params.request_context.get());
CefRefPtr<CefExtension> cef_extension;
if (create_params.extension) {
auto cef_browser_context = request_context_impl->GetBrowserContext();
cef_extension =
cef_browser_context->GetExtension(create_params.extension->id());
CHECK(cef_extension);
}
auto platform_delegate_ptr = platform_delegate.get();
CefRefPtr<AlloyBrowserHostImpl> browser = CreateInternal(
create_params.settings, create_params.client, web_contents,
own_web_contents, info,
static_cast<AlloyBrowserHostImpl*>(create_params.devtools_opener.get()),
is_devtools_popup, request_context_impl, std::move(platform_delegate),
cef_extension);
if (!browser)
return nullptr;
GURL url = url_util::MakeGURL(create_params.url, /*fixup=*/true);
if (create_params.extension) {
platform_delegate_ptr->CreateExtensionHost(
create_params.extension, url, create_params.extension_host_type);
} else if (!url.is_empty()) {
content::OpenURLParams params(url, content::Referrer(),
WindowOpenDisposition::CURRENT_TAB,
CefFrameHostImpl::kPageTransitionExplicit,
/*is_renderer_initiated=*/false);
browser->LoadMainFrameURL(params);
}
return browser.get();
}
// static
CefRefPtr<AlloyBrowserHostImpl> AlloyBrowserHostImpl::CreateInternal(
const CefBrowserSettings& settings,
CefRefPtr<CefClient> client,
content::WebContents* web_contents,
bool own_web_contents,
scoped_refptr<CefBrowserInfo> browser_info,
CefRefPtr<AlloyBrowserHostImpl> opener,
bool is_devtools_popup,
CefRefPtr<CefRequestContextImpl> 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.
if (own_web_contents)
delete web_contents;
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);
}
// Take ownership of |web_contents| if |own_web_contents| is true.
platform_delegate->WebContentsCreated(web_contents, own_web_contents);
CefRefPtr<AlloyBrowserHostImpl> browser = new AlloyBrowserHostImpl(
settings, client, web_contents, browser_info, opener, request_context,
std::move(platform_delegate), extension);
browser->InitializeBrowser();
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. Block navigation to avoid issues with focus
// changes being sent to an unbound interface.
{
auto navigation_lock = browser_info->CreateNavigationLock();
browser->OnAfterCreated();
}
// 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<AlloyBrowserHostImpl> AlloyBrowserHostImpl::GetBrowserForHost(
const content::RenderViewHost* host) {
REQUIRE_ALLOY_RUNTIME();
auto browser = CefBrowserHostBase::GetBrowserForHost(host);
return static_cast<AlloyBrowserHostImpl*>(browser.get());
}
// static
CefRefPtr<AlloyBrowserHostImpl> AlloyBrowserHostImpl::GetBrowserForHost(
const content::RenderFrameHost* host) {
REQUIRE_ALLOY_RUNTIME();
auto browser = CefBrowserHostBase::GetBrowserForHost(host);
return static_cast<AlloyBrowserHostImpl*>(browser.get());
}
// static
CefRefPtr<AlloyBrowserHostImpl> AlloyBrowserHostImpl::GetBrowserForContents(
const content::WebContents* contents) {
REQUIRE_ALLOY_RUNTIME();
auto browser = CefBrowserHostBase::GetBrowserForContents(contents);
return static_cast<AlloyBrowserHostImpl*>(browser.get());
}
// static
CefRefPtr<AlloyBrowserHostImpl> AlloyBrowserHostImpl::GetBrowserForGlobalId(
const content::GlobalRenderFrameHostId& global_id) {
REQUIRE_ALLOY_RUNTIME();
auto browser = CefBrowserHostBase::GetBrowserForGlobalId(global_id);
return static_cast<AlloyBrowserHostImpl*>(browser.get());
}
// AlloyBrowserHostImpl methods.
// -----------------------------------------------------------------------------
AlloyBrowserHostImpl::~AlloyBrowserHostImpl() {}
void AlloyBrowserHostImpl::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->NeedToFireBeforeUnloadOrUnloadEvents()) {
// Will result in a call to BeforeUnloadFired() and, if the close isn't
// canceled, CloseContents().
contents->DispatchBeforeUnload(false /* auto_cancel */);
} else {
CloseContents(contents);
}
} else {
CEF_POST_TASK(CEF_UIT, base::BindOnce(&AlloyBrowserHostImpl::CloseBrowser,
this, force_close));
}
}
bool AlloyBrowserHostImpl::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 AlloyBrowserHostImpl::SetFocus(bool focus) {
// Always execute asynchronously to work around issue #3040.
CEF_POST_TASK(CEF_UIT, base::BindOnce(&AlloyBrowserHostImpl::SetFocusInternal,
this, focus));
}
void AlloyBrowserHostImpl::SetFocusInternal(bool focus) {
CEF_REQUIRE_UIT();
if (focus)
OnSetFocus(FOCUS_SOURCE_SYSTEM);
else if (platform_delegate_)
platform_delegate_->SetFocus(false);
}
CefWindowHandle AlloyBrowserHostImpl::GetWindowHandle() {
if (is_views_hosted_ && 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 AlloyBrowserHostImpl::GetOpenerWindowHandle() {
return opener_;
}
double AlloyBrowserHostImpl::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 AlloyBrowserHostImpl::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(&AlloyBrowserHostImpl::SetZoomLevel,
this, zoomLevel));
}
}
void AlloyBrowserHostImpl::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(&AlloyBrowserHostImpl::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 AlloyBrowserHostImpl::Print() {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT, base::BindOnce(&AlloyBrowserHostImpl::Print, this));
return;
}
if (platform_delegate_)
platform_delegate_->Print();
}
void AlloyBrowserHostImpl::PrintToPDF(const CefString& path,
const CefPdfPrintSettings& settings,
CefRefPtr<CefPdfPrintCallback> callback) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT, base::BindOnce(&AlloyBrowserHostImpl::PrintToPDF,
this, path, settings, callback));
return;
}
if (platform_delegate_) {
platform_delegate_->PrintToPDF(path, settings, callback);
}
}
void AlloyBrowserHostImpl::Find(int identifier,
const CefString& searchText,
bool forward,
bool matchCase,
bool findNext) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&AlloyBrowserHostImpl::Find, this, identifier,
searchText, forward, matchCase, findNext));
return;
}
if (platform_delegate_) {
platform_delegate_->Find(identifier, searchText, forward, matchCase,
findNext);
}
}
void AlloyBrowserHostImpl::StopFinding(bool clearSelection) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT, base::BindOnce(&AlloyBrowserHostImpl::StopFinding,
this, clearSelection));
return;
}
if (platform_delegate_)
platform_delegate_->StopFinding(clearSelection);
}
void AlloyBrowserHostImpl::ShowDevTools(const CefWindowInfo& windowInfo,
CefRefPtr<CefClient> client,
const CefBrowserSettings& settings,
const CefPoint& inspect_element_at) {
if (!CEF_CURRENTLY_ON_UIT()) {
ShowDevToolsHelper* helper = new ShowDevToolsHelper(
this, windowInfo, client, settings, inspect_element_at);
CEF_POST_TASK(CEF_UIT, base::BindOnce(ShowDevToolsWithHelper, helper));
return;
}
if (!EnsureDevToolsManager())
return;
devtools_manager_->ShowDevTools(windowInfo, client, settings,
inspect_element_at);
}
void AlloyBrowserHostImpl::CloseDevTools() {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&AlloyBrowserHostImpl::CloseDevTools, this));
return;
}
if (!devtools_manager_)
return;
devtools_manager_->CloseDevTools();
}
bool AlloyBrowserHostImpl::HasDevTools() {
if (!CEF_CURRENTLY_ON_UIT()) {
NOTREACHED() << "called on invalid thread";
return false;
}
if (!devtools_manager_)
return false;
return devtools_manager_->HasDevTools();
}
void AlloyBrowserHostImpl::SetAccessibilityState(
cef_state_t accessibility_state) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&AlloyBrowserHostImpl::SetAccessibilityState,
this, accessibility_state));
return;
}
if (platform_delegate_) {
platform_delegate_->SetAccessibilityState(accessibility_state);
}
}
void AlloyBrowserHostImpl::SetAutoResizeEnabled(bool enabled,
const CefSize& min_size,
const CefSize& max_size) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&AlloyBrowserHostImpl::SetAutoResizeEnabled,
this, enabled, min_size, max_size));
return;
}
if (platform_delegate_) {
platform_delegate_->SetAutoResizeEnabled(enabled, min_size, max_size);
}
}
CefRefPtr<CefExtension> AlloyBrowserHostImpl::GetExtension() {
return extension_;
}
bool AlloyBrowserHostImpl::IsBackgroundHost() {
return is_background_host_;
}
bool AlloyBrowserHostImpl::IsWindowRenderingDisabled() {
return IsWindowless();
}
void AlloyBrowserHostImpl::WasResized() {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&AlloyBrowserHostImpl::WasResized, this));
return;
}
if (platform_delegate_)
platform_delegate_->WasResized();
}
void AlloyBrowserHostImpl::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 (platform_delegate_)
platform_delegate_->WasHidden(hidden);
}
void AlloyBrowserHostImpl::NotifyScreenInfoChanged() {
if (!IsWindowless()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&AlloyBrowserHostImpl::NotifyScreenInfoChanged, this));
return;
}
if (platform_delegate_)
platform_delegate_->NotifyScreenInfoChanged();
}
void AlloyBrowserHostImpl::Invalidate(PaintElementType type) {
if (!IsWindowless()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT, base::BindOnce(&AlloyBrowserHostImpl::Invalidate, this, type));
return;
}
if (platform_delegate_)
platform_delegate_->Invalidate(type);
}
void AlloyBrowserHostImpl::SendExternalBeginFrame() {
if (!IsWindowless()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&AlloyBrowserHostImpl::SendExternalBeginFrame, this));
return;
}
if (platform_delegate_)
platform_delegate_->SendExternalBeginFrame();
}
void AlloyBrowserHostImpl::SendTouchEvent(const CefTouchEvent& event) {
if (!IsWindowless()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT, base::BindOnce(&AlloyBrowserHostImpl::SendTouchEvent,
this, event));
return;
}
if (platform_delegate_)
platform_delegate_->SendTouchEvent(event);
}
void AlloyBrowserHostImpl::SendCaptureLostEvent() {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&AlloyBrowserHostImpl::SendCaptureLostEvent, this));
return;
}
if (platform_delegate_)
platform_delegate_->SendCaptureLostEvent();
}
void AlloyBrowserHostImpl::NotifyMoveOrResizeStarted() {
#if defined(OS_WIN) || (defined(OS_POSIX) && !defined(OS_MAC))
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&AlloyBrowserHostImpl::NotifyMoveOrResizeStarted, this));
return;
}
if (platform_delegate_)
platform_delegate_->NotifyMoveOrResizeStarted();
#endif
}
int AlloyBrowserHostImpl::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 AlloyBrowserHostImpl::SetWindowlessFrameRate(int frame_rate) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&AlloyBrowserHostImpl::SetWindowlessFrameRate,
this, frame_rate));
return;
}
settings_.windowless_frame_rate = frame_rate;
if (platform_delegate_)
platform_delegate_->SetWindowlessFrameRate(frame_rate);
}
// AlloyBrowserHostImpl public methods.
// -----------------------------------------------------------------------------
bool AlloyBrowserHostImpl::IsWindowless() const {
return is_windowless_;
}
bool AlloyBrowserHostImpl::IsPictureInPictureSupported() const {
// Not currently supported with OSR.
return !IsWindowless();
}
void AlloyBrowserHostImpl::WindowDestroyed() {
CEF_REQUIRE_UIT();
DCHECK(!window_destroyed_);
window_destroyed_ = true;
CloseBrowser(true);
}
void AlloyBrowserHostImpl::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.
OnBeforeClose();
// 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();
// Notify any observers that may have state associated with this browser.
OnBrowserDestroyed();
// If the WebContents still exists at this point, signal destruction before
// browser destruction.
if (web_contents()) {
WebContentsDestroyed();
}
// Disassociate the platform delegate from this browser.
platform_delegate_->BrowserDestroyed(this);
// Delete objects created by the platform delegate that may be referenced by
// the WebContents.
file_dialog_manager_.reset(nullptr);
javascript_dialog_manager_.reset(nullptr);
menu_manager_.reset(nullptr);
// Delete the audio capturer
recently_audible_timer_.Stop();
audio_capturer_.reset(nullptr);
CefBrowserHostBase::DestroyBrowser();
}
void AlloyBrowserHostImpl::CancelContextMenu() {
CEF_REQUIRE_UIT();
if (menu_manager_)
menu_manager_->CancelContextMenu();
}
bool AlloyBrowserHostImpl::MaybeAllowNavigation(
content::RenderFrameHost* opener,
bool is_guest_view,
const content::OpenURLParams& params) {
if (is_guest_view && !params.url.SchemeIs(extensions::kExtensionScheme) &&
!params.url.SchemeIs(content::kChromeUIScheme)) {
// The PDF viewer will load the PDF extension in the guest view, and print
// preview will load chrome://print in the guest view. All other navigations
// are passed to the owner browser.
CEF_POST_TASK(CEF_UIT,
base::BindOnce(
base::IgnoreResult(&AlloyBrowserHostImpl::OpenURLFromTab),
this, nullptr, params));
return false;
}
return true;
}
extensions::ExtensionHost* AlloyBrowserHostImpl::GetExtensionHost() const {
CEF_REQUIRE_UIT();
DCHECK(platform_delegate_);
return platform_delegate_->GetExtensionHost();
}
void AlloyBrowserHostImpl::OnSetFocus(cef_focus_source_t source) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT, base::BindOnce(&AlloyBrowserHostImpl::OnSetFocus,
this, source));
return;
}
if (contents_delegate_->OnSetFocus(source))
return;
if (platform_delegate_)
platform_delegate_->SetFocus(true);
}
void AlloyBrowserHostImpl::RunFileChooser(
const CefFileDialogRunner::FileChooserParams& params,
CefFileDialogRunner::RunFileChooserCallback callback) {
EnsureFileDialogManager();
file_dialog_manager_->RunFileChooser(params, std::move(callback));
}
void AlloyBrowserHostImpl::EnterFullscreenModeForTab(
content::RenderFrameHost* requesting_frame,
const blink::mojom::FullscreenOptions& options) {
contents_delegate_->EnterFullscreenModeForTab(requesting_frame, options);
WasResized();
}
void AlloyBrowserHostImpl::ExitFullscreenModeForTab(
content::WebContents* web_contents) {
contents_delegate_->ExitFullscreenModeForTab(web_contents);
WasResized();
}
bool AlloyBrowserHostImpl::IsFullscreenForTabOrPending(
const content::WebContents* web_contents) {
return is_fullscreen_;
}
blink::mojom::DisplayMode AlloyBrowserHostImpl::GetDisplayMode(
const content::WebContents* web_contents) {
return is_fullscreen_ ? blink::mojom::DisplayMode::kFullscreen
: blink::mojom::DisplayMode::kBrowser;
}
void AlloyBrowserHostImpl::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 AlloyBrowserHostImpl::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(&AlloyBrowserHostImpl::ImeSetComposition, this, text,
underlines, replacement_range, selection_range));
return;
}
if (platform_delegate_) {
platform_delegate_->ImeSetComposition(text, underlines, replacement_range,
selection_range);
}
}
void AlloyBrowserHostImpl::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(&AlloyBrowserHostImpl::ImeCommitText, this,
text, replacement_range, relative_cursor_pos));
return;
}
if (platform_delegate_) {
platform_delegate_->ImeCommitText(text, replacement_range,
relative_cursor_pos);
}
}
void AlloyBrowserHostImpl::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(&AlloyBrowserHostImpl::ImeFinishComposingText,
this, keep_selection));
return;
}
if (platform_delegate_) {
platform_delegate_->ImeFinishComposingText(keep_selection);
}
}
void AlloyBrowserHostImpl::ImeCancelComposition() {
if (!IsWindowless()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&AlloyBrowserHostImpl::ImeCancelComposition, this));
return;
}
if (platform_delegate_)
platform_delegate_->ImeCancelComposition();
}
void AlloyBrowserHostImpl::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(&AlloyBrowserHostImpl::DragTargetDragEnter,
this, drag_data, event, allowed_ops));
return;
}
if (!drag_data.get()) {
NOTREACHED();
return;
}
if (platform_delegate_) {
platform_delegate_->DragTargetDragEnter(drag_data, event, allowed_ops);
}
}
void AlloyBrowserHostImpl::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(&AlloyBrowserHostImpl::DragTargetDragOver, this,
event, allowed_ops));
return;
}
if (platform_delegate_) {
platform_delegate_->DragTargetDragOver(event, allowed_ops);
}
}
void AlloyBrowserHostImpl::DragTargetDragLeave() {
if (!IsWindowless()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&AlloyBrowserHostImpl::DragTargetDragLeave, this));
return;
}
if (platform_delegate_)
platform_delegate_->DragTargetDragLeave();
}
void AlloyBrowserHostImpl::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(&AlloyBrowserHostImpl::DragTargetDrop,
this, event));
return;
}
if (platform_delegate_)
platform_delegate_->DragTargetDrop(event);
}
void AlloyBrowserHostImpl::DragSourceSystemDragEnded() {
if (!IsWindowless()) {
NOTREACHED() << "Window rendering is not disabled";
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&AlloyBrowserHostImpl::DragSourceSystemDragEnded, this));
return;
}
if (platform_delegate_)
platform_delegate_->DragSourceSystemDragEnded();
}
void AlloyBrowserHostImpl::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(&AlloyBrowserHostImpl::DragSourceEndedAt, this,
x, y, op));
return;
}
if (platform_delegate_)
platform_delegate_->DragSourceEndedAt(x, y, op);
}
void AlloyBrowserHostImpl::SetAudioMuted(bool mute) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT, base::BindOnce(&AlloyBrowserHostImpl::SetAudioMuted,
this, mute));
return;
}
if (!web_contents())
return;
web_contents()->SetAudioMuted(mute);
}
bool AlloyBrowserHostImpl::IsAudioMuted() {
if (!CEF_CURRENTLY_ON_UIT()) {
NOTREACHED() << "called on invalid thread";
return false;
}
if (!web_contents())
return false;
return web_contents()->IsAudioMuted();
}
// content::WebContentsDelegate methods.
// -----------------------------------------------------------------------------
content::WebContents* AlloyBrowserHostImpl::OpenURLFromTab(
content::WebContents* source,
const content::OpenURLParams& params) {
auto target_contents = contents_delegate_->OpenURLFromTab(source, params);
if (target_contents) {
// Start a navigation in the current browser that will result in the
// creation of a new render process.
LoadMainFrameURL(params);
return target_contents;
}
// Cancel the navigation.
return nullptr;
}
bool AlloyBrowserHostImpl::ShouldAllowRendererInitiatedCrossProcessNavigation(
bool is_main_frame_navigation) {
return platform_delegate_->ShouldAllowRendererInitiatedCrossProcessNavigation(
is_main_frame_navigation);
}
void AlloyBrowserHostImpl::AddNewContents(
content::WebContents* source,
std::unique_ptr<content::WebContents> new_contents,
const GURL& target_url,
WindowOpenDisposition disposition,
const gfx::Rect& initial_rect,
bool user_gesture,
bool* was_blocked) {
platform_delegate_->AddNewContents(source, std::move(new_contents),
target_url, disposition, initial_rect,
user_gesture, was_blocked);
}
void AlloyBrowserHostImpl::LoadingStateChanged(content::WebContents* source,
bool to_different_document) {
contents_delegate_->LoadingStateChanged(source, to_different_document);
}
void AlloyBrowserHostImpl::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<AlloyBrowserHostImpl> browser(this);
if (source) {
// Try to fast shutdown the associated process.
source->GetMainFrame()->GetProcess()->FastShutdownIfPossible(1, false);
}
// 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 AlloyBrowserHostImpl::UpdateTargetURL(content::WebContents* source,
const GURL& url) {
contents_delegate_->UpdateTargetURL(source, url);
}
bool AlloyBrowserHostImpl::DidAddMessageToConsole(
content::WebContents* source,
blink::mojom::ConsoleMessageLevel level,
const std::u16string& message,
int32_t line_no,
const std::u16string& source_id) {
return contents_delegate_->DidAddMessageToConsole(source, level, message,
line_no, source_id);
}
void AlloyBrowserHostImpl::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 AlloyBrowserHostImpl::TakeFocus(content::WebContents* source,
bool reverse) {
if (client_.get()) {
CefRefPtr<CefFocusHandler> handler = client_->GetFocusHandler();
if (handler.get())
handler->OnTakeFocus(this, !reverse);
}
return false;
}
bool AlloyBrowserHostImpl::HandleContextMenu(
content::RenderFrameHost* render_frame_host,
const content::ContextMenuParams& params) {
return HandleContextMenu(web_contents(), params);
}
KeyboardEventProcessingResult AlloyBrowserHostImpl::PreHandleKeyboardEvent(
content::WebContents* source,
const content::NativeWebKeyboardEvent& event) {
return contents_delegate_->PreHandleKeyboardEvent(source, event);
}
bool AlloyBrowserHostImpl::HandleKeyboardEvent(
content::WebContents* source,
const content::NativeWebKeyboardEvent& event) {
// Check to see if event should be ignored.
if (event.skip_in_browser)
return false;
if (contents_delegate_->HandleKeyboardEvent(source, event))
return true;
if (platform_delegate_)
return platform_delegate_->HandleKeyboardEvent(event);
return false;
}
bool AlloyBrowserHostImpl::PreHandleGestureEvent(
content::WebContents* source,
const blink::WebGestureEvent& event) {
return platform_delegate_->PreHandleGestureEvent(source, event);
}
bool AlloyBrowserHostImpl::CanDragEnter(content::WebContents* source,
const content::DropData& data,
blink::DragOperationsMask mask) {
CefRefPtr<CefDragHandler> handler;
if (client_)
handler = client_->GetDragHandler();
if (handler) {
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 AlloyBrowserHostImpl::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,
frame_util::MakeGlobalId(opener_render_process_id,
opener_render_frame_id),
view, delegate_view);
}
void AlloyBrowserHostImpl::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;
CefRefPtr<CefDictionaryValue> extra_info;
CefBrowserInfoManager::GetInstance()->WebContentsCreated(
target_url,
frame_util::MakeGlobalId(opener_render_process_id,
opener_render_frame_id),
settings, client, platform_delegate, extra_info);
scoped_refptr<CefBrowserInfo> info =
CefBrowserInfoManager::GetInstance()->CreatePopupBrowserInfo(
new_contents, platform_delegate->IsWindowless(), extra_info);
CHECK(info.get());
CHECK(info->is_popup());
CefRefPtr<AlloyBrowserHostImpl> opener =
GetBrowserForContents(source_contents);
if (!opener)
return;
// Popups must share the same RequestContext as the parent.
CefRefPtr<CefRequestContextImpl> request_context = opener->request_context();
CHECK(request_context);
// We don't officially own |new_contents| until AddNewContents() is called.
// However, we need to install observers/delegates here.
CefRefPtr<AlloyBrowserHostImpl> browser =
CreateInternal(settings, client, new_contents, /*own_web_contents=*/false,
info, opener, /*is_devtools_popup=*/false, request_context,
std::move(platform_delegate), /*cef_extension=*/nullptr);
}
void AlloyBrowserHostImpl::DidNavigatePrimaryMainFramePostCommit(
content::WebContents* web_contents) {
contents_delegate_->DidNavigatePrimaryMainFramePostCommit(web_contents);
}
content::JavaScriptDialogManager*
AlloyBrowserHostImpl::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 AlloyBrowserHostImpl::RunFileChooser(
content::RenderFrameHost* render_frame_host,
scoped_refptr<content::FileSelectListener> listener,
const blink::mojom::FileChooserParams& params) {
EnsureFileDialogManager();
file_dialog_manager_->RunFileChooser(listener, params);
}
bool AlloyBrowserHostImpl::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 AlloyBrowserHostImpl::UpdatePreferredSize(content::WebContents* source,
const gfx::Size& pref_size) {
#if defined(OS_WIN) || (defined(OS_POSIX) && !defined(OS_MAC))
CEF_REQUIRE_UIT();
if (platform_delegate_)
platform_delegate_->SizeTo(pref_size.width(), pref_size.height());
#endif
}
void AlloyBrowserHostImpl::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 AlloyBrowserHostImpl::RequestMediaAccessPermission(
content::WebContents* web_contents,
const content::MediaStreamRequest& request,
content::MediaResponseCallback callback) {
CEF_REQUIRE_UIT();
blink::MediaStreamDevices devices;
const base::CommandLine* command_line =
base::CommandLine::ForCurrentProcess();
if (!command_line->HasSwitch(switches::kEnableMediaStream)) {
// Cancel the request.
std::move(callback).Run(
devices, blink::mojom::MediaStreamRequestResult::PERMISSION_DENIED,
std::unique_ptr<content::MediaStreamUI>());
return;
}
// Based on chrome/browser/media/media_stream_devices_controller.cc
bool microphone_requested =
(request.audio_type ==
blink::mojom::MediaStreamType::DEVICE_AUDIO_CAPTURE);
bool webcam_requested = (request.video_type ==
blink::mojom::MediaStreamType::DEVICE_VIDEO_CAPTURE);
bool screen_requested =
(request.video_type ==
blink::mojom::MediaStreamType::GUM_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(blink::MediaStreamDevice(
blink::mojom::MediaStreamType::GUM_DESKTOP_VIDEO_CAPTURE,
media_id.ToString(), "Screen"));
}
}
std::move(callback).Run(devices, blink::mojom::MediaStreamRequestResult::OK,
std::unique_ptr<content::MediaStreamUI>());
}
bool AlloyBrowserHostImpl::CheckMediaAccessPermission(
content::RenderFrameHost* render_frame_host,
const GURL& security_origin,
blink::mojom::MediaStreamType type) {
// Check media access permission without prompting the user.
const base::CommandLine* command_line =
base::CommandLine::ForCurrentProcess();
return command_line->HasSwitch(switches::kEnableMediaStream);
}
bool AlloyBrowserHostImpl::IsNeverComposited(
content::WebContents* web_contents) {
return platform_delegate_->IsNeverComposited(web_contents);
}
content::PictureInPictureResult AlloyBrowserHostImpl::EnterPictureInPicture(
content::WebContents* web_contents,
const viz::SurfaceId& surface_id,
const gfx::Size& natural_size) {
if (!IsPictureInPictureSupported()) {
return content::PictureInPictureResult::kNotSupported;
}
return PictureInPictureWindowManager::GetInstance()->EnterPictureInPicture(
web_contents, surface_id, natural_size);
}
void AlloyBrowserHostImpl::ExitPictureInPicture() {
DCHECK(IsPictureInPictureSupported());
PictureInPictureWindowManager::GetInstance()->ExitPictureInPicture();
}
bool AlloyBrowserHostImpl::IsBackForwardCacheSupported() {
return true;
}
bool AlloyBrowserHostImpl::IsPrerender2Supported() {
return true;
}
// content::WebContentsObserver methods.
// -----------------------------------------------------------------------------
void AlloyBrowserHostImpl::RenderFrameCreated(
content::RenderFrameHost* render_frame_host) {
if (render_frame_host->GetParent() == nullptr) {
auto render_view_host = render_frame_host->GetRenderViewHost();
new CefWidgetHostInterceptor(this, render_view_host);
platform_delegate_->RenderViewCreated(render_view_host);
}
}
void AlloyBrowserHostImpl::RenderViewReady() {
platform_delegate_->RenderViewReady();
}
void AlloyBrowserHostImpl::DidFinishNavigation(
content::NavigationHandle* navigation_handle) {
if (web_contents()) {
auto cef_browser_context =
static_cast<AlloyBrowserContext*>(web_contents()->GetBrowserContext());
if (cef_browser_context) {
cef_browser_context->AddVisitedURLs(
navigation_handle->GetRedirectChain());
}
}
}
void AlloyBrowserHostImpl::OnAudioStateChanged(bool audible) {
if (audible) {
recently_audible_timer_.Stop();
StartAudioCapturer();
} else if (audio_capturer_) {
// If you have a media playing that has a short quiet moment, web_contents
// will immediately switch to non-audible state. We don't want to stop
// audio stream so quickly, let's give the stream some time to resume
// playing.
recently_audible_timer_.Start(
FROM_HERE, kRecentlyAudibleTimeout,
base::BindOnce(&AlloyBrowserHostImpl::OnRecentlyAudibleTimerFired,
this));
}
}
void AlloyBrowserHostImpl::OnRecentlyAudibleTimerFired() {
audio_capturer_.reset();
}
void AlloyBrowserHostImpl::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 AlloyBrowserHostImpl::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 AlloyBrowserHostImpl::WebContentsDestroyed() {
auto wc = web_contents();
content::WebContentsObserver::Observe(nullptr);
if (platform_delegate_)
platform_delegate_->WebContentsDestroyed(wc);
}
void AlloyBrowserHostImpl::StartAudioCapturer() {
if (!client_.get() || audio_capturer_)
return;
CefRefPtr<CefAudioHandler> audio_handler = client_->GetAudioHandler();
if (!audio_handler.get())
return;
CefAudioParameters params;
params.channel_layout = CEF_CHANNEL_LAYOUT_STEREO;
params.sample_rate = media::AudioParameters::kAudioCDSampleRate;
params.frames_per_buffer = 1024;
if (!audio_handler->GetAudioParameters(this, params))
return;
audio_capturer_.reset(new CefAudioCapturer(params, this, audio_handler));
}
// AlloyBrowserHostImpl private methods.
// -----------------------------------------------------------------------------
AlloyBrowserHostImpl::AlloyBrowserHostImpl(
const CefBrowserSettings& settings,
CefRefPtr<CefClient> client,
content::WebContents* web_contents,
scoped_refptr<CefBrowserInfo> browser_info,
CefRefPtr<AlloyBrowserHostImpl> opener,
CefRefPtr<CefRequestContextImpl> request_context,
std::unique_ptr<CefBrowserPlatformDelegate> platform_delegate,
CefRefPtr<CefExtension> extension)
: CefBrowserHostBase(settings,
client,
std::move(platform_delegate),
browser_info,
request_context),
content::WebContentsObserver(web_contents),
opener_(kNullWindowHandle),
is_windowless_(platform_delegate_->IsWindowless()),
extension_(extension) {
contents_delegate_->ObserveWebContents(web_contents);
if (opener.get() && !is_views_hosted_) {
// GetOpenerWindowHandle() only returns a value for non-views-hosted
// popup browsers.
opener_ = opener->GetWindowHandle();
}
// Associate the platform delegate with this browser.
platform_delegate_->BrowserCreated(this);
// Make sure RenderFrameCreated is called at least one time.
RenderFrameCreated(web_contents->GetMainFrame());
}
bool AlloyBrowserHostImpl::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 && !is_views_hosted_)
host_window_handle_ = platform_delegate_->GetHostWindowHandle();
return success;
}
gfx::Point AlloyBrowserHostImpl::GetScreenPoint(const gfx::Point& view) const {
CEF_REQUIRE_UIT();
if (platform_delegate_)
return platform_delegate_->GetScreenPoint(view);
return gfx::Point();
}
void AlloyBrowserHostImpl::StartDragging(
const content::DropData& drop_data,
blink::DragOperationsMask allowed_ops,
const gfx::ImageSkia& image,
const gfx::Vector2d& image_offset,
const blink::mojom::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 AlloyBrowserHostImpl::UpdateDragCursor(
ui::mojom::DragOperation operation) {
if (platform_delegate_)
platform_delegate_->UpdateDragCursor(operation);
}
void AlloyBrowserHostImpl::EnsureFileDialogManager() {
CEF_REQUIRE_UIT();
if (!file_dialog_manager_.get() && platform_delegate_) {
file_dialog_manager_.reset(new CefFileDialogManager(
this, platform_delegate_->CreateFileDialogRunner()));
}
}
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