Chromium Code Reviews| Index: content/browser/hyphenator/hyphenator_message_filter.h |
| =================================================================== |
| --- content/browser/hyphenator/hyphenator_message_filter.h (revision 0) |
| +++ content/browser/hyphenator/hyphenator_message_filter.h (revision 0) |
| @@ -0,0 +1,79 @@ |
| +// Copyright (c) 2012 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 CONTENT_BROWSER_HYPHENATOR_HYPHENATOR_MESSAGE_FILTER_H_ |
| +#define CONTENT_BROWSER_HYPHENATOR_HYPHENATOR_MESSAGE_FILTER_H_ |
| + |
| +#include "base/compiler_specific.h" |
| +#include "base/file_path.h" |
| +#include "base/memory/weak_ptr.h" |
| +#include "base/platform_file.h" |
| +#include "content/common/content_export.h" |
| +#include "content/public/browser/browser_message_filter.h" |
| + |
| +namespace content { |
| +class RenderProcessHost; |
| + |
| +// This class is a message filter that handles a HyphenatorHost message. When |
| +// this class receives a HyphenatorHostMsg_OpenDictionary message, it opens the |
| +// specified dictionary and sends its file handle. |
| +class CONTENT_EXPORT HyphenatorMessageFilter |
| + : public content::BrowserMessageFilter { |
| + public: |
| + explicit HyphenatorMessageFilter( |
| + content::RenderProcessHost* render_process_host); |
| + |
| + // Changes the directory that includes dictionary files. This function |
| + // provides a method that allows applications to change the directory |
| + // containing hyphenation dictionaries. When a renderer requests a hyphnation |
| + // dictionary, this class appends a file name (which consists of a locale, a |
| + // version number, and an extension) and use it as a dictionary file. That is, |
| + // This class opens the file "|dictionary_path_|/|locale|-1-0.dic". |
|
tony
2012/08/22 19:05:50
Nit: This comment feels verbose. I would just kee
Hironori Bono
2012/08/27 06:57:28
Done. Thanks for noticing my redundant comments.
|
| + void SetDictionaryBase(const FilePath& directory); |
| + |
| + // content::BrowserMessageFilter implementation. |
| + virtual void OverrideThreadForMessage( |
| + const IPC::Message& message, |
| + content::BrowserThread::ID* thread) OVERRIDE; |
| + virtual bool OnMessageReceived(const IPC::Message& message, |
| + bool* message_was_ok) OVERRIDE; |
| + |
| + private: |
| + friend class TestHyphenatorMessageFilter; |
| + |
| + virtual ~HyphenatorMessageFilter(); |
| + |
| + // Called when this object receives HyphenatorHostMsg_OpenDictionary messages. |
| + virtual void OnOpenDictionary(const string16& locale); |
| + |
| + // Opens a hyphenation dictionary for the specified locale. When this locale |
| + // is an empty string, this function uses US English ("en-US"). |
| + void OpenDictionary(const string16& locale); |
| + |
| + // Sends the hyphenation dictionary file to a renderer in response to its |
| + // request. If this class cannot open the specified dictionary file, this |
| + // function sends an IPC::nvalidPlatformFileForTransit value to tell the |
|
tony
2012/08/22 19:05:50
Nit: typo: nvalidPlatformFileForTransit -> Invalid
Hironori Bono
2012/08/27 06:57:28
Done. Thanks for noticing this typo.
|
| + // renderer that a browser cannot open the file. |
| + void SendDictionary(); |
| + |
| + // The RenderProcessHost object that owns this filter. This class uses this |
| + // object to retrieve the process handle used for creating |
| + // PlatformFileForTransit objects. |
| + content::RenderProcessHost* render_process_host_; |
| + |
| + // The directory that includes dictionary files. The default value is the |
| + // directory containing the executable file. |
| + FilePath dictionary_base_; |
| + |
| + // A cached dictionary file. |
| + base::PlatformFile dictionary_file_; |
| + |
| + base::WeakPtrFactory<HyphenatorMessageFilter> weak_factory_; |
| + |
| + DISALLOW_COPY_AND_ASSIGN(HyphenatorMessageFilter); |
| +}; |
| + |
| +} // namespace content |
| + |
| +#endif // CONTENT_BROWSER_HYPHENATOR_HYPHENATOR_MESSAGE_FILTER_H_ |
| Property changes on: content\browser\hyphenator\hyphenator_message_filter.h |
| ___________________________________________________________________ |
| Added: svn:eol-style |
| + LF |