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      1 /*
      2  * Copyright (C) 2012 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1.  Redistributions of source code must retain the above copyright
      8  *     notice, this list of conditions and the following disclaimer.
      9  * 2.  Redistributions in binary form must reproduce the above copyright
     10  *     notice, this list of conditions and the following disclaimer in the
     11  *     documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     16  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     17  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     18  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     19  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
     20  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     22  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23  */
     24 
     25 #ifndef UserMediaController_h
     26 #define UserMediaController_h
     27 
     28 #include "core/frame/LocalFrame.h"
     29 #include "modules/mediastream/UserMediaClient.h"
     30 #include "wtf/PassOwnPtr.h"
     31 
     32 namespace WebCore {
     33 
     34 class MediaDevicesRequest;
     35 class UserMediaRequest;
     36 
     37 class UserMediaController FINAL : public NoBaseWillBeGarbageCollected<UserMediaController>, public WillBeHeapSupplement<LocalFrame> {
     38     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(UserMediaController);
     39     DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(UserMediaController);
     40 public:
     41 
     42     UserMediaClient* client() const { return m_client; }
     43 
     44     void requestUserMedia(PassRefPtrWillBeRawPtr<UserMediaRequest>);
     45     void cancelUserMediaRequest(UserMediaRequest*);
     46 
     47     void requestMediaDevices(PassRefPtrWillBeRawPtr<MediaDevicesRequest>);
     48     void cancelMediaDevicesRequest(MediaDevicesRequest*);
     49 
     50     static PassOwnPtrWillBeRawPtr<UserMediaController> create(UserMediaClient*);
     51     static const char* supplementName();
     52     static UserMediaController* from(LocalFrame* frame) { return static_cast<UserMediaController*>(WillBeHeapSupplement<LocalFrame>::from(frame, supplementName())); }
     53 
     54     virtual void trace(Visitor* visitor) OVERRIDE { WillBeHeapSupplement<LocalFrame>::trace(visitor); }
     55 
     56 protected:
     57     explicit UserMediaController(UserMediaClient*);
     58 
     59 private:
     60     UserMediaClient* m_client;
     61 };
     62 
     63 inline void UserMediaController::requestUserMedia(PassRefPtrWillBeRawPtr<UserMediaRequest> request)
     64 {
     65     m_client->requestUserMedia(request);
     66 }
     67 
     68 inline void UserMediaController::cancelUserMediaRequest(UserMediaRequest* request)
     69 {
     70     m_client->cancelUserMediaRequest(request);
     71 }
     72 
     73 inline void UserMediaController::requestMediaDevices(PassRefPtrWillBeRawPtr<MediaDevicesRequest> request)
     74 {
     75     m_client->requestMediaDevices(request);
     76 }
     77 
     78 inline void UserMediaController::cancelMediaDevicesRequest(MediaDevicesRequest* request)
     79 {
     80     m_client->cancelMediaDevicesRequest(request);
     81 }
     82 
     83 } // namespace WebCore
     84 
     85 #endif // UserMediaController_h
     86