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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 #ifndef PEERCONNECTION_SAMPLES_CLIENT_MAIN_WND_H_ | |
29 #define PEERCONNECTION_SAMPLES_CLIENT_MAIN_WND_H_ | |
30 #pragma once | |
31 | |
32 #include <map> | |
33 #include <string> | |
34 | |
35 #include "talk/app/webrtc/mediastreaminterface.h" | |
36 #include "talk/examples/peerconnection/client/peer_connection_client.h" | |
37 #include "talk/media/base/mediachannel.h" | |
38 #include "talk/media/base/videocommon.h" | |
39 #include "talk/media/base/videoframe.h" | |
40 #include "talk/media/base/videorenderer.h" | |
41 #include "webrtc/base/win32.h" | |
42 | |
43 class MainWndCallback { | |
44 public: | |
45 virtual void StartLogin(const std::string& server, int port) = 0; | |
46 virtual void DisconnectFromServer() = 0; | |
47 virtual void ConnectToPeer(int peer_id) = 0; | |
48 virtual void DisconnectFromCurrentPeer() = 0; | |
49 virtual void UIThreadCallback(int msg_id, void* data) = 0; | |
50 virtual void Close() = 0; | |
51 protected: | |
52 virtual ~MainWndCallback() {} | |
53 }; | |
54 | |
55 // Pure virtual interface for the main window. | |
56 class MainWindow { | |
57 public: | |
58 virtual ~MainWindow() {} | |
59 | |
60 enum UI { | |
61 CONNECT_TO_SERVER, | |
62 LIST_PEERS, | |
63 STREAMING, | |
64 }; | |
65 | |
66 virtual void RegisterObserver(MainWndCallback* callback) = 0; | |
67 | |
68 virtual bool IsWindow() = 0; | |
69 virtual void MessageBox(const char* caption, const char* text, | |
70 bool is_error) = 0; | |
71 | |
72 virtual UI current_ui() = 0; | |
73 | |
74 virtual void SwitchToConnectUI() = 0; | |
75 virtual void SwitchToPeerList(const Peers& peers) = 0; | |
76 virtual void SwitchToStreamingUI() = 0; | |
77 | |
78 virtual void StartLocalRenderer(webrtc::VideoTrackInterface* local_video) = 0; | |
79 virtual void StopLocalRenderer() = 0; | |
80 virtual void StartRemoteRenderer(webrtc::VideoTrackInterface* remote_video) =
0; | |
81 virtual void StopRemoteRenderer() = 0; | |
82 | |
83 virtual void QueueUIThreadCallback(int msg_id, void* data) = 0; | |
84 }; | |
85 | |
86 #ifdef WIN32 | |
87 | |
88 class MainWnd : public MainWindow { | |
89 public: | |
90 static const wchar_t kClassName[]; | |
91 | |
92 enum WindowMessages { | |
93 UI_THREAD_CALLBACK = WM_APP + 1, | |
94 }; | |
95 | |
96 MainWnd(const char* server, int port, bool auto_connect, bool auto_call); | |
97 ~MainWnd(); | |
98 | |
99 bool Create(); | |
100 bool Destroy(); | |
101 bool PreTranslateMessage(MSG* msg); | |
102 | |
103 virtual void RegisterObserver(MainWndCallback* callback); | |
104 virtual bool IsWindow(); | |
105 virtual void SwitchToConnectUI(); | |
106 virtual void SwitchToPeerList(const Peers& peers); | |
107 virtual void SwitchToStreamingUI(); | |
108 virtual void MessageBox(const char* caption, const char* text, | |
109 bool is_error); | |
110 virtual UI current_ui() { return ui_; } | |
111 | |
112 virtual void StartLocalRenderer(webrtc::VideoTrackInterface* local_video); | |
113 virtual void StopLocalRenderer(); | |
114 virtual void StartRemoteRenderer(webrtc::VideoTrackInterface* remote_video); | |
115 virtual void StopRemoteRenderer(); | |
116 | |
117 virtual void QueueUIThreadCallback(int msg_id, void* data); | |
118 | |
119 HWND handle() const { return wnd_; } | |
120 | |
121 class VideoRenderer : public webrtc::VideoRendererInterface { | |
122 public: | |
123 VideoRenderer(HWND wnd, int width, int height, | |
124 webrtc::VideoTrackInterface* track_to_render); | |
125 virtual ~VideoRenderer(); | |
126 | |
127 void Lock() { | |
128 ::EnterCriticalSection(&buffer_lock_); | |
129 } | |
130 | |
131 void Unlock() { | |
132 ::LeaveCriticalSection(&buffer_lock_); | |
133 } | |
134 | |
135 // VideoRendererInterface implementation | |
136 virtual void SetSize(int width, int height); | |
137 virtual void RenderFrame(const cricket::VideoFrame* frame); | |
138 | |
139 const BITMAPINFO& bmi() const { return bmi_; } | |
140 const uint8* image() const { return image_.get(); } | |
141 | |
142 protected: | |
143 enum { | |
144 SET_SIZE, | |
145 RENDER_FRAME, | |
146 }; | |
147 | |
148 HWND wnd_; | |
149 BITMAPINFO bmi_; | |
150 rtc::scoped_ptr<uint8[]> image_; | |
151 CRITICAL_SECTION buffer_lock_; | |
152 rtc::scoped_refptr<webrtc::VideoTrackInterface> rendered_track_; | |
153 }; | |
154 | |
155 // A little helper class to make sure we always to proper locking and | |
156 // unlocking when working with VideoRenderer buffers. | |
157 template <typename T> | |
158 class AutoLock { | |
159 public: | |
160 explicit AutoLock(T* obj) : obj_(obj) { obj_->Lock(); } | |
161 ~AutoLock() { obj_->Unlock(); } | |
162 protected: | |
163 T* obj_; | |
164 }; | |
165 | |
166 protected: | |
167 enum ChildWindowID { | |
168 EDIT_ID = 1, | |
169 BUTTON_ID, | |
170 LABEL1_ID, | |
171 LABEL2_ID, | |
172 LISTBOX_ID, | |
173 }; | |
174 | |
175 void OnPaint(); | |
176 void OnDestroyed(); | |
177 | |
178 void OnDefaultAction(); | |
179 | |
180 bool OnMessage(UINT msg, WPARAM wp, LPARAM lp, LRESULT* result); | |
181 | |
182 static LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp); | |
183 static bool RegisterWindowClass(); | |
184 | |
185 void CreateChildWindow(HWND* wnd, ChildWindowID id, const wchar_t* class_name, | |
186 DWORD control_style, DWORD ex_style); | |
187 void CreateChildWindows(); | |
188 | |
189 void LayoutConnectUI(bool show); | |
190 void LayoutPeerListUI(bool show); | |
191 | |
192 void HandleTabbing(); | |
193 | |
194 private: | |
195 rtc::scoped_ptr<VideoRenderer> local_renderer_; | |
196 rtc::scoped_ptr<VideoRenderer> remote_renderer_; | |
197 UI ui_; | |
198 HWND wnd_; | |
199 DWORD ui_thread_id_; | |
200 HWND edit1_; | |
201 HWND edit2_; | |
202 HWND label1_; | |
203 HWND label2_; | |
204 HWND button_; | |
205 HWND listbox_; | |
206 bool destroyed_; | |
207 void* nested_msg_; | |
208 MainWndCallback* callback_; | |
209 static ATOM wnd_class_; | |
210 std::string server_; | |
211 std::string port_; | |
212 bool auto_connect_; | |
213 bool auto_call_; | |
214 }; | |
215 #endif // WIN32 | |
216 | |
217 #endif // PEERCONNECTION_SAMPLES_CLIENT_MAIN_WND_H_ | |
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