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1 // Copyright (c) 2009 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 WEBKIT_GLUE_PLUGINS_CARBON_PLUGIN_WINDOW_TRACKER_MAC_H_ | |
6 #define WEBKIT_GLUE_PLUGINS_CARBON_PLUGIN_WINDOW_TRACKER_MAC_H_ | |
7 | |
8 #include <Carbon/Carbon.h> | |
9 #include <map> | |
10 | |
11 #include "base/basictypes.h" | |
12 | |
13 // This is really a WebPluginDelegateImpl, but that class is private to the | |
14 // framework, and these functions are called from a dylib. | |
15 typedef void* OpaquePluginRef; | |
16 | |
17 // Creates and tracks the invisible windows that are necessary for | |
18 // Carbon-event-model plugins. | |
19 // | |
20 // Serves as a bridge between plugin delegate instances and the Carbon | |
21 // interposing library. The Carbon functions we interpose work in terms of | |
22 // WindowRefs, and we need to be able to map from those back to the plugin | |
23 // delegates that know what we should claim about the state of the window. | |
24 class __attribute__((visibility("default"))) CarbonPluginWindowTracker { | |
25 public: | |
26 CarbonPluginWindowTracker(); | |
27 | |
28 // Returns the shared window tracker instance. | |
29 static CarbonPluginWindowTracker* SharedInstance(); | |
30 | |
31 // Creates a new carbon window associated with |delegate|. | |
32 WindowRef CreateDummyWindowForDelegate(OpaquePluginRef delegate); | |
33 | |
34 // Returns the WebPluginDelegate associated with the given dummy window. | |
35 OpaquePluginRef GetDelegateForDummyWindow(WindowRef window) const; | |
36 | |
37 // Returns the dummy window associated with |delegate|. | |
38 WindowRef GetDummyWindowForDelegate(OpaquePluginRef delegate) const; | |
39 | |
40 // Destroys the dummy window for |delegate|. | |
41 void DestroyDummyWindowForDelegate(OpaquePluginRef delegate, | |
42 WindowRef window); | |
43 | |
44 private: | |
45 typedef std::map<WindowRef, OpaquePluginRef> WindowToDelegateMap; | |
46 typedef std::map<OpaquePluginRef, WindowRef> DelegateToWindowMap; | |
47 WindowToDelegateMap window_to_delegate_map_; | |
48 DelegateToWindowMap delegate_to_window_map_; | |
49 | |
50 DISALLOW_COPY_AND_ASSIGN(CarbonPluginWindowTracker); | |
51 }; | |
52 | |
53 #endif // WEBKIT_GLUE_PLUGINS_CARBON_PLUGIN_WINDOW_TRACKER_MAC_H_ | |
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