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 +1,77 @@ |
+// 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. |
+ 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(); |
+ |
+ 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::InvalidPlatformFileForTransit value to tell the |
+ // 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 |
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Added: svn:eol-style |
+ LF |