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Side by Side Diff: webkit/glue/plugins/carbon_plugin_window_tracker_mac.h

Issue 6012002: Move the NPAPI files from webkit/glue/plugins to webkit/plugins/npapi and put... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 10 years ago
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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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