content/browser/renderer_host/gtk_plugin_container_manager.h

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_BROWSER_RENDERER_HOST_GTK_PLUGIN_CONTAINER_MANAGER_H_
   6 #define CONTENT_BROWSER_RENDERER_HOST_GTK_PLUGIN_CONTAINER_MANAGER_H_
   7
   8 #include <gtk/gtk.h>
   9 #include <map>
  10
  11 #include "ui/gfx/native_widget_types.h"
  12
  13 typedef struct _GtkWidget GtkWidget;
  14
  15 namespace content {
  16 struct WebPluginGeometry;
  17
  18 // Helper class that creates and manages plugin containers (GtkSocket).
  19 class GtkPluginContainerManager {
  20  public:
  21   GtkPluginContainerManager();
  22   ~GtkPluginContainerManager();
  23
  24   // Sets the widget that will host the plugin containers. Must be a GtkFixed.
  25   void set_host_widget(GtkWidget *widget) { host_widget_ = widget; }
  26
  27   // Creates a new plugin container, for a given plugin XID.
  28   GtkWidget* CreatePluginContainer(gfx::PluginWindowHandle id);
  29
  30   // Destroys a plugin container, given the plugin XID.
  31   void DestroyPluginContainer(gfx::PluginWindowHandle id);
  32
  33   // Takes an update from WebKit about a plugin's position and side and moves
  34   // the plugin accordingly.
  35   void MovePluginContainer(const WebPluginGeometry& move);
  36
  37  private:
  38   // Maps a plugin XID to the corresponding container widget.
  39   GtkWidget* MapIDToWidget(gfx::PluginWindowHandle id);
  40
  41   // Maps a container widget to the corresponding plugin XID.
  42   gfx::PluginWindowHandle MapWidgetToID(GtkWidget* widget);
  43
  44   // Callback for when the plugin container gets realized, at which point it
  45   // plugs the plugin XID.
  46   static void RealizeCallback(GtkWidget *widget, void *user_data);
  47
  48   // Parent of the plugin containers.
  49   GtkWidget* host_widget_;
  50
  51   // A map that associates plugin containers to the plugin XID.
  52   typedef std::map<gfx::PluginWindowHandle, GtkWidget*> PluginWindowToWidgetMap;
  53   PluginWindowToWidgetMap plugin_window_to_widget_map_;
  54 };
  55
  56 }  // namespace content
  57
  58 #endif  // CONTENT_BROWSER_RENDERER_HOST_GTK_PLUGIN_CONTAINER_MANAGER_H_