1/* 2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11#include "webrtc/modules/desktop_capture/window_capturer.h" 12 13#include <assert.h> 14 15#include "webrtc/modules/desktop_capture/desktop_frame.h" 16 17namespace webrtc { 18 19namespace { 20 21class WindowCapturerNull : public WindowCapturer { 22 public: 23 WindowCapturerNull(); 24 virtual ~WindowCapturerNull(); 25 26 // WindowCapturer interface. 27 bool GetWindowList(WindowList* windows) override; 28 bool SelectWindow(WindowId id) override; 29 bool BringSelectedWindowToFront() override; 30 31 // DesktopCapturer interface. 32 void Start(Callback* callback) override; 33 void Capture(const DesktopRegion& region) override; 34 35 private: 36 Callback* callback_; 37 38 RTC_DISALLOW_COPY_AND_ASSIGN(WindowCapturerNull); 39}; 40 41WindowCapturerNull::WindowCapturerNull() 42 : callback_(NULL) { 43} 44 45WindowCapturerNull::~WindowCapturerNull() { 46} 47 48bool WindowCapturerNull::GetWindowList(WindowList* windows) { 49 // Not implemented yet. 50 return false; 51} 52 53bool WindowCapturerNull::SelectWindow(WindowId id) { 54 // Not implemented yet. 55 return false; 56} 57 58bool WindowCapturerNull::BringSelectedWindowToFront() { 59 // Not implemented yet. 60 return false; 61} 62 63void WindowCapturerNull::Start(Callback* callback) { 64 assert(!callback_); 65 assert(callback); 66 67 callback_ = callback; 68} 69 70void WindowCapturerNull::Capture(const DesktopRegion& region) { 71 // Not implemented yet. 72 callback_->OnCaptureCompleted(NULL); 73} 74 75} // namespace 76 77// static 78WindowCapturer* WindowCapturer::Create(const DesktopCaptureOptions& options) { 79 return new WindowCapturerNull(); 80} 81 82} // namespace webrtc 83