linux plugins: eliminate GtkWidget* from plugin process

webkit/tools/test_shell/webview_host.h

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WEBKIT_TOOLS_TEST_SHELL_WEBVIEW_HOST_H_
 #define WEBKIT_TOOLS_TEST_SHELL_WEBVIEW_HOST_H_
 
+#include <map>
+
 #include "base/basictypes.h"
 #include "base/gfx/native_widget_types.h"
 #include "base/gfx/rect.h"
 #include "webkit/tools/test_shell/webwidget_host.h"
 
 struct WebPreferences;
 class WebView;
 class WebViewDelegate;
 
+#if defined(OS_LINUX)
+typedef struct _GtkSocket GtkSocket;
+#endif
+
 // This class is a simple NativeView-based host for a WebView
 class WebViewHost : public WebWidgetHost {
  public:
   // The new instance is deleted once the associated NativeView is destroyed.
   // The newly created window should be resized after it is created, using the
   // MoveWindow (or equivalent) function.
   static WebViewHost* Create(gfx::NativeView parent_view,
                              WebViewDelegate* delegate,
                              const WebPreferences& prefs);
 
   WebView* webview() const;
 
+#if defined(OS_LINUX)
+  // Create a new plugin parent container, returning its X window id for
+  // embedders to use.
+  GdkNativeWindow CreatePluginContainer();
+
+  // Map a GdkNativeWindow returned by CreatePluginContainer() back to
+  // the GtkWidget hosting it.  Used when we get a message back from the
+  // renderer indicating a plugin needs to move.
+  GtkWidget* MapIDToWidget(GdkNativeWindow id);
+#endif
+
  protected:
 #if defined(OS_WIN)
   virtual bool WndProc(UINT message, WPARAM wparam, LPARAM lparam) {
     return false;
   }
 #endif
+
+#if defined(OS_LINUX)
+  // A map used for MapIDToWidget() above.
+  typedef std::map<GdkNativeWindow, GtkWidget*> NativeWindowToWidgetMap;
+  NativeWindowToWidgetMap native_window_to_widget_map_;
+
+  // Callback for when one of our plugins goes away.
+  static gboolean OnPlugRemovedThunk(GtkSocket* socket,
+                                     WebViewHost* web_view_host) {
+    return web_view_host->OnPlugRemoved(socket);
+  }
+  gboolean OnPlugRemoved(GtkSocket* socket);
+#endif
 };
 
 #endif  // WEBKIT_TOOLS_TEST_SHELL_WEBVIEW_HOST_H_