henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 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 | |
| 29 | #ifndef PEERCONNECTION_SAMPLES_CLIENT_LINUX_MAIN_WND_H_ |
| 30 | #define PEERCONNECTION_SAMPLES_CLIENT_LINUX_MAIN_WND_H_ |
| 31 | |
| 32 | #include "talk/examples/peerconnection/client/main_wnd.h" |
| 33 | #include "talk/examples/peerconnection/client/peer_connection_client.h" |
| 34 | |
| 35 | // Forward declarations. |
| 36 | typedef struct _GtkWidget GtkWidget; |
| 37 | typedef union _GdkEvent GdkEvent; |
| 38 | typedef struct _GdkEventKey GdkEventKey; |
| 39 | typedef struct _GtkTreeView GtkTreeView; |
| 40 | typedef struct _GtkTreePath GtkTreePath; |
| 41 | typedef struct _GtkTreeViewColumn GtkTreeViewColumn; |
| 42 | |
| 43 | // Implements the main UI of the peer connection client. |
| 44 | // This is functionally equivalent to the MainWnd class in the Windows |
| 45 | // implementation. |
| 46 | class GtkMainWnd : public MainWindow { |
| 47 | public: |
| 48 | GtkMainWnd(const char* server, int port, bool autoconnect, bool autocall); |
| 49 | ~GtkMainWnd(); |
| 50 | |
| 51 | virtual void RegisterObserver(MainWndCallback* callback); |
| 52 | virtual bool IsWindow(); |
| 53 | virtual void SwitchToConnectUI(); |
| 54 | virtual void SwitchToPeerList(const Peers& peers); |
| 55 | virtual void SwitchToStreamingUI(); |
| 56 | virtual void MessageBox(const char* caption, const char* text, |
| 57 | bool is_error); |
| 58 | virtual MainWindow::UI current_ui(); |
| 59 | virtual void StartLocalRenderer(webrtc::VideoTrackInterface* local_video); |
| 60 | virtual void StopLocalRenderer(); |
| 61 | virtual void StartRemoteRenderer(webrtc::VideoTrackInterface* remote_video); |
| 62 | virtual void StopRemoteRenderer(); |
| 63 | |
| 64 | virtual void QueueUIThreadCallback(int msg_id, void* data); |
| 65 | |
| 66 | // Creates and shows the main window with the |Connect UI| enabled. |
| 67 | bool Create(); |
| 68 | |
| 69 | // Destroys the window. When the window is destroyed, it ends the |
| 70 | // main message loop. |
| 71 | bool Destroy(); |
| 72 | |
| 73 | // Callback for when the main window is destroyed. |
| 74 | void OnDestroyed(GtkWidget* widget, GdkEvent* event); |
| 75 | |
| 76 | // Callback for when the user clicks the "Connect" button. |
| 77 | void OnClicked(GtkWidget* widget); |
| 78 | |
| 79 | // Callback for keystrokes. Used to capture Esc and Return. |
| 80 | void OnKeyPress(GtkWidget* widget, GdkEventKey* key); |
| 81 | |
| 82 | // Callback when the user double clicks a peer in order to initiate a |
| 83 | // connection. |
| 84 | void OnRowActivated(GtkTreeView* tree_view, GtkTreePath* path, |
| 85 | GtkTreeViewColumn* column); |
| 86 | |
| 87 | void OnRedraw(); |
| 88 | |
| 89 | protected: |
| 90 | class VideoRenderer : public webrtc::VideoRendererInterface { |
| 91 | public: |
| 92 | VideoRenderer(GtkMainWnd* main_wnd, |
| 93 | webrtc::VideoTrackInterface* track_to_render); |
| 94 | virtual ~VideoRenderer(); |
| 95 | |
| 96 | // VideoRendererInterface implementation |
| 97 | virtual void SetSize(int width, int height); |
| 98 | virtual void RenderFrame(const cricket::VideoFrame* frame); |
| 99 | |
| 100 | const uint8* image() const { |
| 101 | return image_.get(); |
| 102 | } |
| 103 | |
| 104 | int width() const { |
| 105 | return width_; |
| 106 | } |
| 107 | |
| 108 | int height() const { |
| 109 | return height_; |
| 110 | } |
| 111 | |
| 112 | protected: |
| 113 | talk_base::scoped_array<uint8> image_; |
| 114 | int width_; |
| 115 | int height_; |
| 116 | GtkMainWnd* main_wnd_; |
| 117 | talk_base::scoped_refptr<webrtc::VideoTrackInterface> rendered_track_; |
| 118 | }; |
| 119 | |
| 120 | protected: |
| 121 | GtkWidget* window_; // Our main window. |
| 122 | GtkWidget* draw_area_; // The drawing surface for rendering video streams. |
| 123 | GtkWidget* vbox_; // Container for the Connect UI. |
| 124 | GtkWidget* server_edit_; |
| 125 | GtkWidget* port_edit_; |
| 126 | GtkWidget* peer_list_; // The list of peers. |
| 127 | MainWndCallback* callback_; |
| 128 | std::string server_; |
| 129 | std::string port_; |
| 130 | bool autoconnect_; |
| 131 | bool autocall_; |
| 132 | talk_base::scoped_ptr<VideoRenderer> local_renderer_; |
| 133 | talk_base::scoped_ptr<VideoRenderer> remote_renderer_; |
| 134 | talk_base::scoped_ptr<uint8> draw_buffer_; |
| 135 | int draw_buffer_size_; |
| 136 | }; |
| 137 | |
| 138 | #endif // PEERCONNECTION_SAMPLES_CLIENT_LINUX_MAIN_WND_H_ |