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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef CHROME_BROWSER_MEDIA_ROUTER_RECEIVER_PRESENTATION_SERVICE_DELEGATE_IMPL_
H_ |
| 6 #define CHROME_BROWSER_MEDIA_ROUTER_RECEIVER_PRESENTATION_SERVICE_DELEGATE_IMPL_
H_ |
| 7 |
| 8 #include <map> |
| 9 #include <memory> |
| 10 #include <string> |
| 11 #include <utility> |
| 12 #include <vector> |
| 13 |
| 14 #include "base/observer_list.h" |
| 15 |
| 16 #include "chrome/browser/media/router/offscreen_presentation_manager.h" |
| 17 #include "chrome/browser/media/router/offscreen_presentation_manager_factory.h" |
| 18 #include "chrome/browser/media/router/render_frame_host_id.h" |
| 19 #include "content/public/browser/presentation_service_delegate.h" |
| 20 #include "content/public/browser/web_contents_user_data.h" |
| 21 |
| 22 namespace content { |
| 23 class RenderFrameHost; |
| 24 class WebContents; |
| 25 struct PresentationSessionInfo; |
| 26 struct PresentationSessionMessage; |
| 27 } // namespace content |
| 28 |
| 29 namespace media_router { |
| 30 |
| 31 // Implements the receiver side of presentation API for offscreen presentations. |
| 32 // Created under the offscreen tab WebContents when the tab is created for an |
| 33 // offscreen presentation. Each instance is tied to a single offscreen |
| 34 // presentation whose ID is given during construction. As such, the receiver |
| 35 // APIs are contextual with the offscreen presentation. |
| 36 // Only the main frame of the offscreen tab is allowed to make receiver |
| 37 // Presentation API requests; requests made from any other frame will be |
| 38 // rejected. |
| 39 class ReceiverPresentationServiceDelegateImpl |
| 40 : public content::WebContentsUserData< |
| 41 ReceiverPresentationServiceDelegateImpl>, |
| 42 public content::ReceiverPresentationServiceDelegate { |
| 43 public: |
| 44 // Creates an instance of ReceiverPresentationServiceDelegateImpl under |
| 45 // |web_contents| and registers it as the receiver of the offscreen |
| 46 // presentation |presentation_id| with OffscreenPresentationManager. |
| 47 // No-op if a ReceiverPresentationServiceDelegateImpl instance already |
| 48 // exists under |web_contents|. |
| 49 static void CreateForWebContents(content::WebContents* web_contents, |
| 50 const std::string& presentation_id); |
| 51 |
| 52 ~ReceiverPresentationServiceDelegateImpl() override; |
| 53 |
| 54 // content::PresentationServiceDelegateBase implementation. |
| 55 void AddObserver( |
| 56 int render_process_id, |
| 57 int render_frame_id, |
| 58 content::PresentationServiceDelegateBase::Observer* observer) override; |
| 59 void RemoveObserver(int render_process_id, int render_frame_id) override; |
| 60 void Reset(int render_process_id, int render_frame_id) override; |
| 61 |
| 62 // content::ReceiverPresentationServiceDelegate implementation. |
| 63 void RegisterReceiverConnectionAvailableCallback( |
| 64 const content::ReceiverConnectionAvailableCallback& |
| 65 receiver_available_callback) override; |
| 66 |
| 67 private: |
| 68 friend class content::WebContentsUserData< |
| 69 ReceiverPresentationServiceDelegateImpl>; |
| 70 |
| 71 ReceiverPresentationServiceDelegateImpl(content::WebContents* web_contents, |
| 72 const std::string& presentation_id); |
| 73 |
| 74 // Reference to the WebContents that owns this instance. |
| 75 content::WebContents* const web_contents_; |
| 76 |
| 77 const std::string presentation_id_; |
| 78 OffscreenPresentationManager* const offscreen_presentation_manager_; |
| 79 std::map<RenderFrameHostId, |
| 80 content::PresentationServiceDelegateBase::Observer*> |
| 81 observers_; |
| 82 |
| 83 DISALLOW_COPY_AND_ASSIGN(ReceiverPresentationServiceDelegateImpl); |
| 84 }; |
| 85 |
| 86 } // namespace media_router |
| 87 |
| 88 #endif // CHROME_BROWSER_MEDIA_ROUTER_RECEIVER_PRESENTATION_SERVICE_DELEGATE_IM
PL_H_ |
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