1 /*
2 * libjingle
3 * Copyright 2004--2005, 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 #ifndef TALK_BASE_WINDOW_H_
29 #define TALK_BASE_WINDOW_H_
30
31 #include "talk/base/stringencode.h"
32
33 // Define platform specific window types.
34 #if defined(LINUX)
35 typedef unsigned long Window; // Avoid include <X11/Xlib.h>.
36 #elif defined(WIN32)
37 // We commonly include win32.h in talk/base so just include it here.
38 #include "talk/base/win32.h" // Include HWND, HMONITOR.
39 #elif defined(OSX)
40 typedef unsigned int CGWindowID;
41 typedef unsigned int CGDirectDisplayID;
42 #endif
43
44 namespace talk_base {
45
46 class WindowId {
47 public:
48 // Define WindowT for each platform.
49 #if defined(LINUX)
50 typedef Window WindowT;
51 #elif defined(WIN32)
52 typedef HWND WindowT;
53 #elif defined(OSX)
54 typedef CGWindowID WindowT;
55 #else
56 typedef unsigned int WindowT;
57 #endif
58
Cast(uint64 id)59 static WindowId Cast(uint64 id) {
60 #if defined(WIN32)
61 return WindowId(reinterpret_cast<WindowId::WindowT>(id));
62 #else
63 return WindowId(static_cast<WindowId::WindowT>(id));
64 #endif
65 }
66
Format(const WindowT & id)67 static uint64 Format(const WindowT& id) {
68 #if defined(WIN32)
69 return static_cast<uint64>(reinterpret_cast<uintptr_t>(id));
70 #else
71 return static_cast<uint64>(id);
72 #endif
73 }
74
WindowId()75 WindowId() : id_(0) {}
WindowId(const WindowT & id)76 WindowId(const WindowT& id) : id_(id) {} // NOLINT
id()77 const WindowT& id() const { return id_; }
IsValid()78 bool IsValid() const { return id_ != 0; }
Equals(const WindowId & other)79 bool Equals(const WindowId& other) const {
80 return id_ == other.id();
81 }
82
83 private:
84 WindowT id_;
85 };
86
87 class DesktopId {
88 public:
89 // Define DesktopT for each platform.
90 #if defined(LINUX)
91 typedef Window DesktopT;
92 #elif defined(WIN32)
93 typedef HMONITOR DesktopT;
94 #elif defined(OSX)
95 typedef CGDirectDisplayID DesktopT;
96 #else
97 typedef unsigned int DesktopT;
98 #endif
99
Cast(int id,int index)100 static DesktopId Cast(int id, int index) {
101 #if defined(WIN32)
102 return DesktopId(reinterpret_cast<DesktopId::DesktopT>(id), index);
103 #else
104 return DesktopId(static_cast<DesktopId::DesktopT>(id), index);
105 #endif
106 }
107
DesktopId()108 DesktopId() : id_(0), index_(-1) {}
DesktopId(const DesktopT & id,int index)109 DesktopId(const DesktopT& id, int index) // NOLINT
110 : id_(id), index_(index) {
111 }
id()112 const DesktopT& id() const { return id_; }
index()113 int index() const { return index_; }
IsValid()114 bool IsValid() const { return index_ != -1; }
Equals(const DesktopId & other)115 bool Equals(const DesktopId& other) const {
116 return id_ == other.id() && index_ == other.index();
117 }
118
119 private:
120 // Id is the platform specific desktop identifier.
121 DesktopT id_;
122 // Index is the desktop index as enumerated by each platform.
123 // Desktop capturer typically takes the index instead of id.
124 int index_;
125 };
126
127 // Window event types.
128 enum WindowEvent {
129 WE_RESIZE = 0,
130 WE_CLOSE = 1,
131 WE_MINIMIZE = 2,
132 WE_RESTORE = 3,
133 };
134
ToString(const WindowId & window)135 inline std::string ToString(const WindowId& window) {
136 return ToString(window.id());
137 }
138
139 } // namespace talk_base
140
141 #endif // TALK_BASE_WINDOW_H_
142