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| 1 /* | |
| 2 * Copyright (c) 2012 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 // Author: thorcarpenter@google.com (Thor Carpenter) | |
| 12 // | |
| 13 // Defines variant class ScreencastId that combines WindowId and DesktopId. | |
| 14 | |
| 15 #ifndef WEBRTC_MEDIA_BASE_SCREENCASTID_H_ | |
| 16 #define WEBRTC_MEDIA_BASE_SCREENCASTID_H_ | |
| 17 | |
| 18 #include <string> | |
| 19 #include <vector> | |
| 20 | |
| 21 #include "webrtc/base/window.h" | |
| 22 #include "webrtc/base/windowpicker.h" | |
| 23 | |
| 24 namespace cricket { | |
| 25 | |
| 26 class ScreencastId; | |
| 27 typedef std::vector<ScreencastId> ScreencastIdList; | |
| 28 | |
| 29 // Used for identifying a window or desktop to be screencast. | |
| 30 class ScreencastId { | |
| 31 public: | |
| 32 enum Type { INVALID, WINDOW, DESKTOP }; | |
| 33 | |
| 34 // Default constructor indicates invalid ScreencastId. | |
| 35 ScreencastId() : type_(INVALID) {} | |
| 36 explicit ScreencastId(const rtc::WindowId& id) | |
| 37 : type_(WINDOW), window_(id) { | |
| 38 } | |
| 39 explicit ScreencastId(const rtc::DesktopId& id) | |
| 40 : type_(DESKTOP), desktop_(id) { | |
| 41 } | |
| 42 | |
| 43 Type type() const { return type_; } | |
| 44 const rtc::WindowId& window() const { return window_; } | |
| 45 const rtc::DesktopId& desktop() const { return desktop_; } | |
| 46 | |
| 47 // Title is an optional parameter. | |
| 48 const std::string& title() const { return title_; } | |
| 49 void set_title(const std::string& desc) { title_ = desc; } | |
| 50 | |
| 51 bool IsValid() const { | |
| 52 if (type_ == INVALID) { | |
| 53 return false; | |
| 54 } else if (type_ == WINDOW) { | |
| 55 return window_.IsValid(); | |
| 56 } else { | |
| 57 return desktop_.IsValid(); | |
| 58 } | |
| 59 } | |
| 60 bool IsWindow() const { return type_ == WINDOW; } | |
| 61 bool IsDesktop() const { return type_ == DESKTOP; } | |
| 62 bool EqualsId(const ScreencastId& other) const { | |
| 63 if (type_ != other.type_) { | |
| 64 return false; | |
| 65 } | |
| 66 if (type_ == INVALID) { | |
| 67 return true; | |
| 68 } else if (type_ == WINDOW) { | |
| 69 return window_.Equals(other.window()); | |
| 70 } | |
| 71 return desktop_.Equals(other.desktop()); | |
| 72 } | |
| 73 | |
| 74 // T is assumed to be WindowDescription or DesktopDescription. | |
| 75 template<class T> | |
| 76 static cricket::ScreencastIdList Convert(const std::vector<T>& list) { | |
| 77 ScreencastIdList screencast_list; | |
| 78 screencast_list.reserve(list.size()); | |
| 79 for (typename std::vector<T>::const_iterator it = list.begin(); | |
| 80 it != list.end(); ++it) { | |
| 81 ScreencastId id(it->id()); | |
| 82 id.set_title(it->title()); | |
| 83 screencast_list.push_back(id); | |
| 84 } | |
| 85 return screencast_list; | |
| 86 } | |
| 87 | |
| 88 private: | |
| 89 Type type_; | |
| 90 rtc::WindowId window_; | |
| 91 rtc::DesktopId desktop_; | |
| 92 std::string title_; // Optional. | |
| 93 }; | |
| 94 | |
| 95 } // namespace cricket | |
| 96 | |
| 97 #endif // WEBRTC_MEDIA_BASE_SCREENCASTID_H_ | |
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