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https://bitbucket.org/chromiumembedded/cef
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129 lines
4.7 KiB
C++
129 lines
4.7 KiB
C++
// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that
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// can be found in the LICENSE file.
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#ifndef CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_ROUTER_MANAGER_H_
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#define CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_ROUTER_MANAGER_H_
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#pragma once
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#include "include/cef_media_router.h"
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#include "base/memory/weak_ptr.h"
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#include "base/observer_list.h"
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#include "chrome/browser/ui/media_router/query_result_manager.h"
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#include "components/media_router/browser/media_router.h"
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#include "components/media_router/common/mojom/media_router.mojom.h"
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namespace content {
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class BrowserContext;
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}
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class CefMediaRoutesObserver;
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class CefPresentationConnection;
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class CefPresentationConnectionMessageObserver;
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// Manages CEF usage of MediaRouter. Owned by CefBrowserContext and only
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// accessed on the UI thread.
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class CefMediaRouterManager
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: public media_router::MediaSinkWithCastModesObserver {
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public:
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using MediaRouteVector = std::vector<media_router::MediaRoute>;
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using MediaSinkVector = std::vector<media_router::MediaSinkWithCastModes>;
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using MediaMessageVector = std::vector<media_router::mojom::RouteMessagePtr>;
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class Observer : public base::CheckedObserver {
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public:
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virtual void OnMediaRouterDestroyed() = 0;
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virtual void OnMediaSinks(const MediaSinkVector& sinks) = 0;
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virtual void OnMediaRoutes(const MediaRouteVector& routes) = 0;
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virtual void OnMediaRouteMessages(const media_router::MediaRoute& route,
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const MediaMessageVector& messages) = 0;
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virtual void OnMediaRouteStateChange(
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const media_router::MediaRoute& route,
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const content::PresentationConnectionStateChangeInfo& info) = 0;
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protected:
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~Observer() override = default;
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};
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explicit CefMediaRouterManager(content::BrowserContext* browser_context);
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CefMediaRouterManager(const CefMediaRouterManager&) = delete;
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CefMediaRouterManager& operator=(const CefMediaRouterManager&) = delete;
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~CefMediaRouterManager() override;
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// |observer| must outlive this object or be removed.
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void AddObserver(Observer* observer);
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void RemoveObserver(Observer* observer);
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void NotifyCurrentSinks();
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void NotifyCurrentRoutes();
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using CreateRouteResultCallback =
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base::OnceCallback<void(const media_router::RouteRequestResult& result)>;
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void CreateRoute(const media_router::MediaSource::Id& source_id,
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const media_router::MediaSink::Id& sink_id,
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const url::Origin& origin,
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CreateRouteResultCallback callback);
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void SendRouteMessage(const media_router::MediaRoute::Id& route_id,
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const std::string& message);
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void TerminateRoute(const media_router::MediaRoute::Id& route_id);
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// MediaSinkWithCastModesObserver methods.
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void OnSinksUpdated(const MediaSinkVector& sinks) override;
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private:
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friend class CefMediaRoutesObserver;
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friend class CefPresentationConnection;
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friend class CefPresentationConnectionMessageObserver;
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// Do not keep a reference to the object returned by this method.
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media_router::MediaRouter* GetMediaRouter() const;
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void OnCreateRoute(
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CreateRouteResultCallback callback,
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media_router::mojom::RoutePresentationConnectionPtr connection,
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const media_router::RouteRequestResult& result);
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void OnRouteStateChange(
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const media_router::MediaRoute& route,
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const content::PresentationConnectionStateChangeInfo& info);
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void OnMessagesReceived(const media_router::MediaRoute& route,
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const MediaMessageVector& messages);
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struct RouteState {
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std::unique_ptr<CefPresentationConnection> presentation_connection_;
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// Used if there is no RoutePresentationConnectionPtr.
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std::unique_ptr<CefPresentationConnectionMessageObserver> message_observer_;
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base::CallbackListSubscription state_subscription_;
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};
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void CreateRouteState(
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const media_router::MediaRoute& route,
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media_router::mojom::RoutePresentationConnectionPtr connection);
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RouteState* GetRouteState(const media_router::MediaRoute::Id& route_id);
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void RemoveRouteState(const media_router::MediaRoute::Id& route_id);
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content::BrowserContext* const browser_context_;
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base::ObserverList<Observer> observers_;
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media_router::QueryResultManager query_result_manager_;
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std::unique_ptr<CefMediaRoutesObserver> routes_observer_;
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MediaRouteVector routes_;
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MediaSinkVector sinks_;
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using RouteStateMap =
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std::map<media_router::MediaRoute::Id, std::unique_ptr<RouteState>>;
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RouteStateMap route_state_map_;
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base::WeakPtrFactory<CefMediaRouterManager> weak_ptr_factory_;
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};
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#endif // CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_ROUTER_MANAGER_H_
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