| // Copyright 2013 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. |
| |
| #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_UI_PROXY_H_ |
| #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_UI_PROXY_H_ |
| |
| #include <memory> |
| |
| #include "base/callback.h" |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "third_party/blink/public/common/mediastream/media_stream_request.h" |
| #include "ui/gfx/native_widget_types.h" |
| |
| namespace content { |
| |
| struct MediaStreamRequest; |
| class RenderFrameHostDelegate; |
| |
| // MediaStreamUIProxy proxies calls to media stream UI between IO thread and UI |
| // thread. One instance of this class is create per MediaStream object. It must |
| // be created, used and destroyed on IO thread. |
| class CONTENT_EXPORT MediaStreamUIProxy { |
| public: |
| using ResponseCallback = |
| base::OnceCallback<void(const blink::MediaStreamDevices& devices, |
| blink::MediaStreamRequestResult result)>; |
| |
| using WindowIdCallback = |
| base::OnceCallback<void(gfx::NativeViewId window_id)>; |
| |
| static std::unique_ptr<MediaStreamUIProxy> Create(); |
| static std::unique_ptr<MediaStreamUIProxy> CreateForTests( |
| RenderFrameHostDelegate* render_delegate); |
| |
| virtual ~MediaStreamUIProxy(); |
| |
| // Requests access for the MediaStream by calling |
| // WebContentsDelegate::RequestMediaAccessPermission(). The specified |
| // |response_callback| is called when the WebContentsDelegate approves or |
| // denies request. |
| virtual void RequestAccess(std::unique_ptr<MediaStreamRequest> request, |
| ResponseCallback response_callback); |
| |
| // Notifies the UI that the MediaStream has been started. Must be called after |
| // access has been approved using RequestAccess(). |
| // |stop_callback| is be called on the IO thread after the user has requests |
| // the stream to be stopped. |
| // |source_callback| is be called on the IO thread after the user has requests |
| // the stream source to be changed. |
| // |window_id_callback| is called on the IO thread with the platform- |
| // dependent window ID of the UI. |
| virtual void OnStarted(base::OnceClosure stop_callback, |
| base::RepeatingClosure source_callback, |
| WindowIdCallback window_id_callback); |
| |
| protected: |
| explicit MediaStreamUIProxy(RenderFrameHostDelegate* test_render_delegate); |
| |
| private: |
| class Core; |
| friend class Core; |
| friend class FakeMediaStreamUIProxy; |
| |
| void ProcessAccessRequestResponse(const blink::MediaStreamDevices& devices, |
| blink::MediaStreamRequestResult result); |
| void ProcessStopRequestFromUI(); |
| void ProcessChangeSourceRequestFromUI(); |
| void OnWindowId(WindowIdCallback window_id_callback, |
| gfx::NativeViewId* window_id); |
| void OnCheckedAccess(base::Callback<void(bool)> callback, bool have_access); |
| |
| std::unique_ptr<Core, content::BrowserThread::DeleteOnUIThread> core_; |
| ResponseCallback response_callback_; |
| base::OnceClosure stop_callback_; |
| base::RepeatingClosure source_callback_; |
| |
| base::WeakPtrFactory<MediaStreamUIProxy> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(MediaStreamUIProxy); |
| }; |
| |
| class CONTENT_EXPORT FakeMediaStreamUIProxy : public MediaStreamUIProxy { |
| public: |
| // Set |tests_use_fake_render_frame_hosts| to false if the test that's |
| // creating the FakeMediaStreamUIProxy creates real RFH objects or true if it |
| // just passes in dummy IDs to refer to RFHs. |
| FakeMediaStreamUIProxy(bool tests_use_fake_render_frame_hosts); |
| ~FakeMediaStreamUIProxy() override; |
| |
| void SetAvailableDevices(const blink::MediaStreamDevices& devices); |
| void SetMicAccess(bool access); |
| void SetCameraAccess(bool access); |
| |
| // MediaStreamUIProxy overrides. |
| void RequestAccess(std::unique_ptr<MediaStreamRequest> request, |
| ResponseCallback response_callback) override; |
| void OnStarted(base::OnceClosure stop_callback, |
| base::RepeatingClosure source_callback, |
| WindowIdCallback window_id_callback) override; |
| |
| private: |
| // This is used for RequestAccess(). |
| blink::MediaStreamDevices devices_; |
| |
| // These are used for CheckAccess(). |
| bool mic_access_; |
| bool camera_access_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FakeMediaStreamUIProxy); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_UI_PROXY_H_ |