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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_MEDIA_ROUTER_BROWSER_PRESENTATION_RECEIVER_PRESENTATION_SERVICE_DELEGATE_IMPL_H_
#define COMPONENTS_MEDIA_ROUTER_BROWSER_PRESENTATION_RECEIVER_PRESENTATION_SERVICE_DELEGATE_IMPL_H_
#include <string>
#include "base/memory/raw_ptr.h"
#include "components/media_router/browser/presentation/presentation_service_delegate_observers.h"
#include "content/public/browser/presentation_service_delegate.h"
#include "content/public/browser/web_contents_user_data.h"
namespace content {
class WebContents;
} // namespace content
namespace media_router {
class LocalPresentationManager;
// Implements the receiver side of Presentation API for local presentation
// (an offscreen presentation that is mirrored to a wireless display, or a
// presentation on a wired display).
// Created with the WebContents for a local presentation. Each
// instance is tied to a single local presentation whose ID is given during
// construction. As such, the receiver APIs are contextual with the local
// presentation. Only the main frame of the WebContents is allowed to
// make receiver Presentation API requests; requests made from any other frame
// will be rejected.
class ReceiverPresentationServiceDelegateImpl
: public content::WebContentsUserData<
ReceiverPresentationServiceDelegateImpl>,
public content::ReceiverPresentationServiceDelegate {
public:
// Creates an instance of ReceiverPresentationServiceDelegateImpl under
// |web_contents| and registers it as the receiver of the local
// presentation |presentation_id| with LocalPresentationManager.
// No-op if a ReceiverPresentationServiceDelegateImpl instance already
// exists under |web_contents|. This class does not take ownership of
// |web_contents|.
static void CreateForWebContents(content::WebContents* web_contents,
const std::string& presentation_id);
ReceiverPresentationServiceDelegateImpl(
const ReceiverPresentationServiceDelegateImpl&) = delete;
ReceiverPresentationServiceDelegateImpl& operator=(
const ReceiverPresentationServiceDelegateImpl&) = delete;
// content::ReceiverPresentationServiceDelegate implementation.
void AddObserver(
int render_process_id,
int render_frame_id,
content::PresentationServiceDelegate::Observer* observer) override;
void RemoveObserver(int render_process_id, int render_frame_id) override;
void Reset(int render_process_id, int render_frame_id) override;
void RegisterReceiverConnectionAvailableCallback(
const content::ReceiverConnectionAvailableCallback&
receiver_available_callback) override;
private:
friend class content::WebContentsUserData<
ReceiverPresentationServiceDelegateImpl>;
ReceiverPresentationServiceDelegateImpl(content::WebContents* web_contents,
const std::string& presentation_id);
const std::string presentation_id_;
// This is an unowned pointer to the LocalPresentationManager.
const raw_ptr<LocalPresentationManager> local_presentation_manager_;
PresentationServiceDelegateObservers observers_;
WEB_CONTENTS_USER_DATA_KEY_DECL();
};
} // namespace media_router
#endif // COMPONENTS_MEDIA_ROUTER_BROWSER_PRESENTATION_RECEIVER_PRESENTATION_SERVICE_DELEGATE_IMPL_H_
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