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// Copyright 2015 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 "chrome/browser/media/router/media_router_dialog_controller.h"
#include <utility>
#include "chrome/browser/media/router/media_router_metrics.h"
#include "chrome/common/features.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_delegate.h"
#if BUILDFLAG(ANDROID_JAVA_UI)
#include "chrome/browser/media/android/router/media_router_dialog_controller_android.h"
#else
#include "chrome/browser/ui/webui/media_router/media_router_dialog_controller_impl.h"
#endif
namespace media_router {
// static
MediaRouterDialogController*
MediaRouterDialogController::GetOrCreateForWebContents(
content::WebContents* contents) {
#if BUILDFLAG(ANDROID_JAVA_UI)
return MediaRouterDialogControllerAndroid::GetOrCreateForWebContents(
contents);
#else
return MediaRouterDialogControllerImpl::GetOrCreateForWebContents(contents);
#endif
}
class MediaRouterDialogController::InitiatorWebContentsObserver
: public content::WebContentsObserver {
public:
InitiatorWebContentsObserver(
content::WebContents* web_contents,
MediaRouterDialogController* dialog_controller)
: content::WebContentsObserver(web_contents),
dialog_controller_(dialog_controller) {
DCHECK(dialog_controller_);
}
private:
void WebContentsDestroyed() override {
// NOTE: |this| is deleted after CloseMediaRouterDialog() returns.
dialog_controller_->CloseMediaRouterDialog();
}
void NavigationEntryCommitted(
const content::LoadCommittedDetails& load_details) override {
// NOTE: |this| is deleted after CloseMediaRouterDialog() returns.
dialog_controller_->CloseMediaRouterDialog();
}
void RenderProcessGone(base::TerminationStatus status) override {
// NOTE: |this| is deleted after CloseMediaRouterDialog() returns.
dialog_controller_->CloseMediaRouterDialog();
}
MediaRouterDialogController* const dialog_controller_;
};
MediaRouterDialogController::MediaRouterDialogController(
content::WebContents* initiator)
: initiator_(initiator) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(initiator_);
}
MediaRouterDialogController::~MediaRouterDialogController() {
DCHECK(thread_checker_.CalledOnValidThread());
}
bool MediaRouterDialogController::ShowMediaRouterDialogForPresentation(
scoped_ptr<CreatePresentationConnectionRequest> request) {
DCHECK(thread_checker_.CalledOnValidThread());
// Check if the media router dialog exists for |initiator| and return if so.
if (IsShowingMediaRouterDialog())
return false;
create_connection_request_ = std::move(request);
initiator_observer_.reset(new InitiatorWebContentsObserver(initiator_, this));
CreateMediaRouterDialog();
// Show the initiator holding the existing media router dialog.
ActivateInitiatorWebContents();
media_router::MediaRouterMetrics::RecordMediaRouterDialogOrigin(
MediaRouterDialogOpenOrigin::PAGE);
return true;
}
bool MediaRouterDialogController::ShowMediaRouterDialog() {
DCHECK(thread_checker_.CalledOnValidThread());
// Don't create dialog if it already exists.
bool dialog_needs_creation = !IsShowingMediaRouterDialog();
if (dialog_needs_creation) {
initiator_observer_.reset(
new InitiatorWebContentsObserver(initiator_, this));
CreateMediaRouterDialog();
}
ActivateInitiatorWebContents();
return dialog_needs_creation;
}
void MediaRouterDialogController::HideMediaRouterDialog() {
DCHECK(thread_checker_.CalledOnValidThread());
CloseMediaRouterDialog();
Reset();
}
void MediaRouterDialogController::ActivateInitiatorWebContents() {
initiator_->GetDelegate()->ActivateContents(initiator_);
}
scoped_ptr<CreatePresentationConnectionRequest>
MediaRouterDialogController::TakeCreateConnectionRequest() {
return std::move(create_connection_request_);
}
void MediaRouterDialogController::Reset() {
initiator_observer_.reset();
create_connection_request_.reset();
}
} // namespace media_router
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