Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(503)

Side by Side Diff: chrome/browser/translate/translate_tab_helper.h

Issue 187393005: Make it possible to read CLD data from a file (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Address Marcus' comments Created 6 years, 9 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
1 // Copyright 2011 The Chromium Authors. All rights reserved. 1 // Copyright 2011 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 CHROME_BROWSER_TRANSLATE_TRANSLATE_TAB_HELPER_H_ 5 #ifndef CHROME_BROWSER_TRANSLATE_TRANSLATE_TAB_HELPER_H_
6 #define CHROME_BROWSER_TRANSLATE_TRANSLATE_TAB_HELPER_H_ 6 #define CHROME_BROWSER_TRANSLATE_TRANSLATE_TAB_HELPER_H_
7 7
8 #include <string> 8 #include <string>
9 9
10 #include "base/lazy_instance.h"
10 #include "base/memory/scoped_ptr.h" 11 #include "base/memory/scoped_ptr.h"
12 #include "base/memory/weak_ptr.h"
13 #include "base/platform_file.h"
14 #include "base/synchronization/lock.h"
15 #include "base/task_runner.h"
11 #include "chrome/browser/ui/translate/translate_bubble_model.h" 16 #include "chrome/browser/ui/translate/translate_bubble_model.h"
12 #include "components/translate/content/browser/content_translate_driver.h" 17 #include "components/translate/content/browser/content_translate_driver.h"
13 #include "components/translate/core/browser/translate_client.h" 18 #include "components/translate/core/browser/translate_client.h"
14 #include "components/translate/core/common/translate_errors.h" 19 #include "components/translate/core/common/translate_errors.h"
15 #include "content/public/browser/web_contents_observer.h" 20 #include "content/public/browser/web_contents_observer.h"
16 #include "content/public/browser/web_contents_user_data.h" 21 #include "content/public/browser/web_contents_user_data.h"
17 22
18 namespace content { 23 namespace content {
19 class BrowserContext; 24 class BrowserContext;
20 class WebContents; 25 class WebContents;
(...skipping 73 matching lines...) Expand 10 before | Expand all | Expand 10 after
94 virtual void WebContentsDestroyed( 99 virtual void WebContentsDestroyed(
95 content::WebContents* web_contents) OVERRIDE; 100 content::WebContents* web_contents) OVERRIDE;
96 101
97 void OnLanguageDetermined(const LanguageDetectionDetails& details, 102 void OnLanguageDetermined(const LanguageDetectionDetails& details,
98 bool page_needs_translation); 103 bool page_needs_translation);
99 void OnPageTranslated(int32 page_id, 104 void OnPageTranslated(int32 page_id,
100 const std::string& original_lang, 105 const std::string& original_lang,
101 const std::string& translated_lang, 106 const std::string& translated_lang,
102 TranslateErrors::Type error_type); 107 TranslateErrors::Type error_type);
103 108
109 #if defined(CLD2_DYNAMIC_MODE)
110 // Called when we receive ChromeViewHostMsg_NeedCLDData from a renderer.
111 // If we have already cached the data, responds immediately; else, enqueues
112 // a HandleCLDDataRequest on the blocking pool to cache the data.
113 // Acquires and releases s_file_lock_ in a non-blocking manner; queries
114 // handled while the file is being cached will gracefully and immediately
115 // fail.
116 // It is up to the originator of the message to poll again later if required;
117 // no "negative response" will be generated.
118 void OnCLDDataRequested();
119
120 // Invoked on the blocking pool in order to cache the data. When successful,
121 // immediately responds to the request that initiated OnCLDDataRequested.
122 // Holds s_file_lock_ while the file is being cached.
123 static void HandleCLDDataRequest();
124
125 // If the CLD data is ready, send it to the renderer. Briefly checks the lock.
126 void MaybeSendCLDDataAvailable();
127
128 // Sends the renderer a response containing the data file handle. No locking.
129 void SendCLDDataAvailable(const base::PlatformFile handle);
130
131 // Necessary for binding the callback to HandleCLDDataRequest on the blocking
132 // pool.
133 base::WeakPtrFactory<TranslateTabHelper> weak_pointer_factory_;
134
135 // The data file, cached as long as the process stays alive.
136 static base::PlatformFile s_cached_platform_file_; // guarded by file_lock_
137
138 // Guards s_cached_platform_file_
139 static base::LazyInstance<base::Lock> s_file_lock_;
140 #endif
141
104 // Shows the translate bubble. 142 // Shows the translate bubble.
105 void ShowBubble(TranslateStep step, TranslateErrors::Type error_type); 143 void ShowBubble(TranslateStep step, TranslateErrors::Type error_type);
106 144
107 ContentTranslateDriver translate_driver_; 145 ContentTranslateDriver translate_driver_;
108 scoped_ptr<TranslateManager> translate_manager_; 146 scoped_ptr<TranslateManager> translate_manager_;
109 147
110 DISALLOW_COPY_AND_ASSIGN(TranslateTabHelper); 148 DISALLOW_COPY_AND_ASSIGN(TranslateTabHelper);
111 }; 149 };
112 150
113 #endif // CHROME_BROWSER_TRANSLATE_TRANSLATE_TAB_HELPER_H_ 151 #endif // CHROME_BROWSER_TRANSLATE_TRANSLATE_TAB_HELPER_H_
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698