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      1 // Copyright 2013 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 #include "remoting/host/shaped_screen_capturer.h"
      6 
      7 #include "base/logging.h"
      8 #include "remoting/host/desktop_shape_tracker.h"
      9 #include "third_party/webrtc/modules/desktop_capture/desktop_capture_options.h"
     10 #include "third_party/webrtc/modules/desktop_capture/desktop_frame.h"
     11 
     12 namespace remoting {
     13 
     14 // static
     15 scoped_ptr<ShapedScreenCapturer> ShapedScreenCapturer::Create(
     16     webrtc::DesktopCaptureOptions options) {
     17   return scoped_ptr<ShapedScreenCapturer>(
     18       new ShapedScreenCapturer(scoped_ptr<webrtc::ScreenCapturer>(
     19                                    webrtc::ScreenCapturer::Create(options)),
     20                                DesktopShapeTracker::Create(options)));
     21 }
     22 
     23 ShapedScreenCapturer::ShapedScreenCapturer(
     24     scoped_ptr<webrtc::ScreenCapturer> screen_capturer,
     25     scoped_ptr<DesktopShapeTracker> shape_tracker)
     26     : screen_capturer_(screen_capturer.Pass()),
     27       shape_tracker_(shape_tracker.Pass()),
     28       callback_(NULL) {
     29 }
     30 
     31 ShapedScreenCapturer::~ShapedScreenCapturer() {}
     32 
     33 void ShapedScreenCapturer::Start(webrtc::ScreenCapturer::Callback* callback) {
     34   callback_ = callback;
     35   screen_capturer_->Start(this);
     36 }
     37 
     38 void ShapedScreenCapturer::Capture(const webrtc::DesktopRegion& region) {
     39   screen_capturer_->Capture(region);
     40 }
     41 
     42 void ShapedScreenCapturer::SetMouseShapeObserver(
     43     MouseShapeObserver* mouse_shape_observer) {
     44   screen_capturer_->SetMouseShapeObserver(mouse_shape_observer);
     45 }
     46 
     47 bool ShapedScreenCapturer::GetScreenList(ScreenList* screens) {
     48   NOTIMPLEMENTED();
     49   return false;
     50 }
     51 
     52 bool ShapedScreenCapturer::SelectScreen(webrtc::ScreenId id) {
     53   NOTIMPLEMENTED();
     54   return false;
     55 }
     56 
     57 webrtc::SharedMemory* ShapedScreenCapturer::CreateSharedMemory(size_t size) {
     58   return callback_->CreateSharedMemory(size);
     59 }
     60 
     61 void ShapedScreenCapturer::OnCaptureCompleted(webrtc::DesktopFrame* frame) {
     62   shape_tracker_->RefreshDesktopShape();
     63   frame->set_shape(new webrtc::DesktopRegion(shape_tracker_->desktop_shape()));
     64   callback_->OnCaptureCompleted(frame);
     65 }
     66 
     67 }  // namespace remoting
     68