Home | History | Annotate | Download | only in base 
      1 /*
      2  * libjingle
      3  * Copyright 2012 Google Inc.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are met:
      7  *
      8  *  1. Redistributions of source code must retain the above copyright notice,
      9  *     this list of conditions and the following disclaimer.
     10  *  2. Redistributions in binary form must reproduce the above copyright notice,
     11  *     this list of conditions and the following disclaimer in the documentation
     12  *     and/or other materials provided with the distribution.
     13  *  3. The name of the author may not be used to endorse or promote products
     14  *     derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
     19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #ifndef TALK_MEDIA_BASE_FAKESCREENCAPTURERFACTORY_H_
     29 #define TALK_MEDIA_BASE_FAKESCREENCAPTURERFACTORY_H_
     30 
     31 #include "talk/media/base/fakevideocapturer.h"
     32 #include "talk/media/base/videocapturerfactory.h"
     33 
     34 namespace cricket {
     35 
     36 class FakeScreenCapturerFactory
     37     : public cricket::ScreenCapturerFactory,
     38       public sigslot::has_slots<> {
     39  public:
     40   FakeScreenCapturerFactory()
     41       : window_capturer_(NULL),
     42         capture_state_(cricket::CS_STOPPED) {}
     43 
     44   virtual cricket::VideoCapturer* Create(const ScreencastId& window) {
     45     if (window_capturer_ != NULL) {
     46       return NULL;
     47     }
     48     window_capturer_ = new cricket::FakeVideoCapturer;
     49     window_capturer_->SignalDestroyed.connect(
     50         this,
     51         &FakeScreenCapturerFactory::OnWindowCapturerDestroyed);
     52     window_capturer_->SignalStateChange.connect(
     53         this,
     54         &FakeScreenCapturerFactory::OnStateChange);
     55     return window_capturer_;
     56   }
     57 
     58   cricket::FakeVideoCapturer* window_capturer() { return window_capturer_; }
     59 
     60   cricket::CaptureState capture_state() { return capture_state_; }
     61 
     62  private:
     63   void OnWindowCapturerDestroyed(cricket::FakeVideoCapturer* capturer) {
     64     if (capturer == window_capturer_) {
     65       window_capturer_ = NULL;
     66     }
     67   }
     68   void OnStateChange(cricket::VideoCapturer*, cricket::CaptureState state) {
     69     capture_state_ = state;
     70   }
     71 
     72   cricket::FakeVideoCapturer* window_capturer_;
     73   cricket::CaptureState capture_state_;
     74 };
     75 
     76 }  // namespace cricket
     77 
     78 #endif  // TALK_MEDIA_BASE_FAKESCREENCAPTURERFACTORY_H_
     79