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 #ifndef WEBRTC_MODULES_DESKTOP_CAPTURE_DESKTOP_AND_CURSOR_COMPOSER_H_ 12 #define WEBRTC_MODULES_DESKTOP_CAPTURE_DESKTOP_AND_CURSOR_COMPOSER_H_ 13 14 #include "webrtc/base/scoped_ptr.h" 15 #include "webrtc/modules/desktop_capture/desktop_capturer.h" 16 #include "webrtc/modules/desktop_capture/mouse_cursor_monitor.h" 17 18 namespace webrtc { 19 20 // A wrapper for DesktopCapturer that also captures mouse using specified 21 // MouseCursorMonitor and renders it on the generated streams. 22 class DesktopAndCursorComposer : public DesktopCapturer, 23 public DesktopCapturer::Callback, 24 public MouseCursorMonitor::Callback { 25 public: 26 // Creates a new blender that captures mouse cursor using |mouse_monitor| and 27 // renders it into the frames generated by |desktop_capturer|. If 28 // |mouse_monitor| is NULL the frames are passed unmodified. Takes ownership 29 // of both arguments. 30 DesktopAndCursorComposer(DesktopCapturer* desktop_capturer, 31 MouseCursorMonitor* mouse_monitor); 32 virtual ~DesktopAndCursorComposer(); 33 34 // DesktopCapturer interface. 35 void Start(DesktopCapturer::Callback* callback) override; 36 void Capture(const DesktopRegion& region) override; 37 void SetExcludedWindow(WindowId window) override; 38 39 private: 40 // DesktopCapturer::Callback interface. 41 SharedMemory* CreateSharedMemory(size_t size) override; 42 void OnCaptureCompleted(DesktopFrame* frame) override; 43 44 // MouseCursorMonitor::Callback interface. 45 void OnMouseCursor(MouseCursor* cursor) override; 46 void OnMouseCursorPosition(MouseCursorMonitor::CursorState state, 47 const DesktopVector& position) override; 48 49 rtc::scoped_ptr<DesktopCapturer> desktop_capturer_; 50 rtc::scoped_ptr<MouseCursorMonitor> mouse_monitor_; 51 52 DesktopCapturer::Callback* callback_; 53 54 rtc::scoped_ptr<MouseCursor> cursor_; 55 MouseCursorMonitor::CursorState cursor_state_; 56 DesktopVector cursor_position_; 57 58 RTC_DISALLOW_COPY_AND_ASSIGN(DesktopAndCursorComposer); 59 }; 60 61 } // namespace webrtc 62 63 #endif // WEBRTC_MODULES_DESKTOP_CAPTURE_DESKTOP_AND_CURSOR_COMPOSER_H_ 64
