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// Copyright (c) 2009 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_GLUE_PLUGINS_FAKE_PLUGIN_WINDOW_TRACKER_MAC_H_
#define WEBKIT_GLUE_PLUGINS_FAKE_PLUGIN_WINDOW_TRACKER_MAC_H_
#include <Carbon/Carbon.h>
#include <map>
#include "base/basictypes.h"
class ScopedActivePluginWindow;
class WebPluginDelegateImpl;
// Serves as a bridge between plugin delegate instances and the Carbon
// interposing library. The Carbon functions we interpose work in terms of
// WindowRefs, and we need to be able to map from those back to the plugin
// delegates that know what we should claim about the state of the world.
class __attribute__((visibility("default"))) FakePluginWindowTracker {
public:
FakePluginWindowTracker();
// Returns the shared window tracker instance.
static FakePluginWindowTracker* SharedInstance();
// Creates a new fake window ref associated with |delegate|.
WindowRef GenerateFakeWindowForDelegate(WebPluginDelegateImpl* delegate);
// Returns the WebPluginDelegate associated with the given fake window ref.
WebPluginDelegateImpl* GetDelegateForFakeWindow(WindowRef window) const;
// Returns the fake window ref associated with |delegate|.
WindowRef GetFakeWindowForDelegate(WebPluginDelegateImpl* delegate) const;
// Removes the fake window ref entry for |delegate|.
void RemoveFakeWindowForDelegate(WebPluginDelegateImpl* delegate,
WindowRef window);
private:
typedef std::map<WindowRef, WebPluginDelegateImpl*> WindowToDelegateMap;
typedef std::map<WebPluginDelegateImpl*, WindowRef> DelegateToWindowMap;
WindowToDelegateMap window_to_delegate_map_;
DelegateToWindowMap delegate_to_window_map_;
DISALLOW_COPY_AND_ASSIGN(FakePluginWindowTracker);
};
#endif // WEBKIT_GLUE_PLUGINS_FAKE_PLUGIN_WINDOW_TRACKER_MAC_H_
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