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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 // Author: thorcarpenter@google.com (Thor Carpenter) | |
29 // | |
30 // Defines variant class ScreencastId that combines WindowId and DesktopId. | |
31 | |
32 #ifndef TALK_MEDIA_BASE_SCREENCASTID_H_ | |
33 #define TALK_MEDIA_BASE_SCREENCASTID_H_ | |
34 | |
35 #include <string> | |
36 #include <vector> | |
37 | |
38 #include "webrtc/base/window.h" | |
39 #include "webrtc/base/windowpicker.h" | |
40 | |
41 namespace cricket { | |
42 | |
43 class ScreencastId; | |
44 typedef std::vector<ScreencastId> ScreencastIdList; | |
45 | |
46 // Used for identifying a window or desktop to be screencast. | |
47 class ScreencastId { | |
48 public: | |
49 enum Type { INVALID, WINDOW, DESKTOP }; | |
50 | |
51 // Default constructor indicates invalid ScreencastId. | |
52 ScreencastId() : type_(INVALID) {} | |
53 explicit ScreencastId(const rtc::WindowId& id) | |
54 : type_(WINDOW), window_(id) { | |
55 } | |
56 explicit ScreencastId(const rtc::DesktopId& id) | |
57 : type_(DESKTOP), desktop_(id) { | |
58 } | |
59 | |
60 Type type() const { return type_; } | |
61 const rtc::WindowId& window() const { return window_; } | |
62 const rtc::DesktopId& desktop() const { return desktop_; } | |
63 | |
64 // Title is an optional parameter. | |
65 const std::string& title() const { return title_; } | |
66 void set_title(const std::string& desc) { title_ = desc; } | |
67 | |
68 bool IsValid() const { | |
69 if (type_ == INVALID) { | |
70 return false; | |
71 } else if (type_ == WINDOW) { | |
72 return window_.IsValid(); | |
73 } else { | |
74 return desktop_.IsValid(); | |
75 } | |
76 } | |
77 bool IsWindow() const { return type_ == WINDOW; } | |
78 bool IsDesktop() const { return type_ == DESKTOP; } | |
79 bool EqualsId(const ScreencastId& other) const { | |
80 if (type_ != other.type_) { | |
81 return false; | |
82 } | |
83 if (type_ == INVALID) { | |
84 return true; | |
85 } else if (type_ == WINDOW) { | |
86 return window_.Equals(other.window()); | |
87 } | |
88 return desktop_.Equals(other.desktop()); | |
89 } | |
90 | |
91 // T is assumed to be WindowDescription or DesktopDescription. | |
92 template<class T> | |
93 static cricket::ScreencastIdList Convert(const std::vector<T>& list) { | |
94 ScreencastIdList screencast_list; | |
95 screencast_list.reserve(list.size()); | |
96 for (typename std::vector<T>::const_iterator it = list.begin(); | |
97 it != list.end(); ++it) { | |
98 ScreencastId id(it->id()); | |
99 id.set_title(it->title()); | |
100 screencast_list.push_back(id); | |
101 } | |
102 return screencast_list; | |
103 } | |
104 | |
105 private: | |
106 Type type_; | |
107 rtc::WindowId window_; | |
108 rtc::DesktopId desktop_; | |
109 std::string title_; // Optional. | |
110 }; | |
111 | |
112 } // namespace cricket | |
113 | |
114 #endif // TALK_MEDIA_BASE_SCREENCASTID_H_ | |
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