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
13typedef struct _GtkWidget GtkWidget;
14
15namespace content {
16struct WebPluginGeometry;
17
18// Helper class that creates and manages plugin containers (GtkSocket).
19class 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_
59