Mock implementation for the UI of the linux version of the peerconnection client.

At this point, there's not a lot too it as it only shows what the UI will look like and basically mimics what the Windows version does presently.
Review URL: http://webrtc-codereview.appspot.com/92018

git-svn-id: http://webrtc.googlecode.com/svn/trunk@344 4adac7df-926f-26a2-2b94-8c16560cd09d

peerconnection/samples/client/linux/main_wnd.h

@@ -0,0 +1,72 @@
+/*
+ *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+
+#ifndef PEERCONNECTION_SAMPLES_CLIENT_LINUX_MAIN_WND_H_
+#define PEERCONNECTION_SAMPLES_CLIENT_LINUX_MAIN_WND_H_
+
+// Forward declarations.
+typedef struct _GtkWidget GtkWidget;
+typedef union _GdkEvent GdkEvent;
+typedef struct _GdkEventKey GdkEventKey;
+typedef struct _GtkTreeView GtkTreeView;
+typedef struct _GtkTreePath GtkTreePath;
+typedef struct _GtkTreeViewColumn GtkTreeViewColumn;
+
+// Implements the main UI of the peer connection client.
+// This is functionally equivalent to the MainWnd class in the Windows
+// implementation.
+class GtkMainWnd {
+ public:
+  GtkMainWnd();
+  ~GtkMainWnd();
+
+  // Creates and shows the main window with the |Connect UI| enabled.
+  bool Create();
+
+  // Destroys the window.  When the window is destroyed, it ends the
+  // main message loop.
+  bool Destroy();
+
+  // Returns true iff the main window exists.
+  bool IsWindow();
+
+  // Callback for when the main window is destroyed.
+  void OnDestroyed(GtkWidget* widget, GdkEvent* event);
+
+  // Callback for when the user clicks the "Connect" button.
+  void OnClicked(GtkWidget* widget);
+
+  // Callback for keystrokes.  Used to capture Esc and Return.
+  void OnKeyPress(GtkWidget* widget, GdkEventKey* key);
+
+  // Callback when the user double clicks a peer in order to initiate a
+  // connection.
+  void OnRowActivated(GtkTreeView* tree_view, GtkTreePath* path,
+                      GtkTreeViewColumn* column);
+
+ protected:
+  // Switches to the Connect UI.  The Connect UI must not already be active.
+  void SwitchToConnectUI();
+
+  // Switches to a list view that shows a list of currently connected peers.
+  // TODO(tommi): Support providing a peer list.
+  void SwitchToPeerList(/*const Peers& peers*/);
+
+  // Switches to the video streaming UI.
+  void SwitchToStreamingUI();
+
+  GtkWidget* window_;  // Our main window.
+  GtkWidget* draw_area_;  // The drawing surface for rendering video streams.
+  GtkWidget* vbox_;  // Container for the Connect UI.
+  GtkWidget* peer_list_;  // The list of peers.
+};
+
+#endif  // PEERCONNECTION_SAMPLES_CLIENT_LINUX_MAIN_WND_H_