src/third_party/WebKit/Source/modules/mediastream/UserMediaController.h

   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 blink {
  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(UserMediaRequest*);
  45     void cancelUserMediaRequest(UserMediaRequest*);
  46
  47     void requestMediaDevices(MediaDevicesRequest*);
  48     void cancelMediaDevicesRequest(MediaDevicesRequest*);
  49
  50     void requestSources(MediaStreamTrackSourcesRequest*);
  51
  52     static PassOwnPtrWillBeRawPtr<UserMediaController> create(UserMediaClient*);
  53     static const char* supplementName();
  54     static UserMediaController* from(LocalFrame* frame) { return static_cast<UserMediaController*>(WillBeHeapSupplement<LocalFrame>::from(frame, supplementName())); }
  55
  56     virtual void trace(Visitor* visitor) override { WillBeHeapSupplement<LocalFrame>::trace(visitor); }
  57
  58 protected:
  59     explicit UserMediaController(UserMediaClient*);
  60
  61 private:
  62     UserMediaClient* m_client;
  63 };
  64
  65 inline void UserMediaController::requestUserMedia(UserMediaRequest* request)
  66 {
  67     m_client->requestUserMedia(request);
  68 }
  69
  70 inline void UserMediaController::cancelUserMediaRequest(UserMediaRequest* request)
  71 {
  72     m_client->cancelUserMediaRequest(request);
  73 }
  74
  75 inline void UserMediaController::requestMediaDevices(MediaDevicesRequest* request)
  76 {
  77     m_client->requestMediaDevices(request);
  78 }
  79
  80 inline void UserMediaController::cancelMediaDevicesRequest(MediaDevicesRequest* request)
  81 {
  82     m_client->cancelMediaDevicesRequest(request);
  83 }
  84
  85 inline void UserMediaController::requestSources(MediaStreamTrackSourcesRequest* request)
  86 {
  87     m_client->requestSources(request);
  88 }
  89
  90 } // namespace blink
  91
  92 #endif // UserMediaController_h