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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_COMMON_FONT_CACHE_DISPATCHER_WIN_H_ | 5 #ifndef CONTENT_COMMON_FONT_CACHE_DISPATCHER_WIN_H_ |
6 #define CONTENT_COMMON_FONT_CACHE_DISPATCHER_WIN_H_ | 6 #define CONTENT_COMMON_FONT_CACHE_DISPATCHER_WIN_H_ |
7 | 7 |
8 #include <windows.h> | 8 #include <windows.h> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "base/memory/singleton.h" | 11 #include "base/memory/singleton.h" |
12 #include "ipc/ipc_sender.h" | 12 #include "ipc/ipc_sender.h" |
13 #include "ipc/message_filter.h" | 13 #include "ipc/message_filter.h" |
14 | 14 |
15 namespace IPC { | |
16 class Channel; | |
17 } | |
18 | |
19 namespace content { | 15 namespace content { |
20 | 16 |
21 // Dispatches messages used for font caching on Windows. This is needed because | 17 // Dispatches messages used for font caching on Windows. This is needed because |
22 // Windows can't load fonts into its kernel cache in sandboxed processes. So the | 18 // Windows can't load fonts into its kernel cache in sandboxed processes. So the |
23 // sandboxed process asks the browser process to do this for it. | 19 // sandboxed process asks the browser process to do this for it. |
24 class FontCacheDispatcher : public IPC::MessageFilter, public IPC::Sender { | 20 class FontCacheDispatcher : public IPC::MessageFilter, public IPC::Sender { |
25 public: | 21 public: |
26 FontCacheDispatcher(); | 22 FontCacheDispatcher(); |
27 virtual ~FontCacheDispatcher(); | 23 virtual ~FontCacheDispatcher(); |
28 | 24 |
29 // IPC::Sender implementation: | 25 // IPC::Sender implementation: |
30 virtual bool Send(IPC::Message* message) OVERRIDE; | 26 virtual bool Send(IPC::Message* message) OVERRIDE; |
31 | 27 |
32 private: | 28 private: |
33 // IPC::MessageFilter implementation: | 29 // IPC::MessageFilter implementation: |
34 virtual void OnFilterAdded(IPC::Channel* channel) OVERRIDE; | 30 virtual void OnFilterAdded(IPC::Sender* sender) OVERRIDE; |
35 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; | 31 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; |
36 virtual void OnChannelClosing() OVERRIDE; | 32 virtual void OnChannelClosing() OVERRIDE; |
37 | 33 |
38 // Message handlers. | 34 // Message handlers. |
39 void OnPreCacheFont(const LOGFONT& font); | 35 void OnPreCacheFont(const LOGFONT& font); |
40 void OnReleaseCachedFonts(); | 36 void OnReleaseCachedFonts(); |
41 | 37 |
42 IPC::Channel* channel_; | 38 IPC::Sender* sender_; |
43 | 39 |
44 DISALLOW_COPY_AND_ASSIGN(FontCacheDispatcher); | 40 DISALLOW_COPY_AND_ASSIGN(FontCacheDispatcher); |
45 }; | 41 }; |
46 | 42 |
47 } // namespace content | 43 } // namespace content |
48 | 44 |
49 #endif // CONTENT_COMMON_FONT_CACHE_DISPATCHER_WIN_H_ | 45 #endif // CONTENT_COMMON_FONT_CACHE_DISPATCHER_WIN_H_ |
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