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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 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_SPELLCHECKER_SPELLCHECK_HOST_IMPL_H_ | 5 #ifndef CHROME_BROWSER_SPELLCHECKER_SPELLCHECK_HOST_IMPL_H_ |
| 6 #define CHROME_BROWSER_SPELLCHECKER_SPELLCHECK_HOST_IMPL_H_ | 6 #define CHROME_BROWSER_SPELLCHECKER_SPELLCHECK_HOST_IMPL_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include <string> | 9 #include <string> |
| 10 #include <vector> | 10 #include <vector> |
| 11 | 11 |
| 12 #include "base/file_path.h" | 12 #include "base/file_path.h" |
| 13 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
| 14 #include "chrome/browser/spellchecker/spellcheck_host.h" | 14 #include "chrome/browser/spellchecker/spellcheck_host.h" |
| 15 #include "chrome/browser/spellchecker/spellcheck_profile_provider.h" | 15 #include "chrome/browser/spellchecker/spellcheck_profile_provider.h" |
| 16 #include "content/common/net/url_fetcher.h" | 16 #include "content/public/common/url_fetcher_delegate.h" |
| 17 #include "content/public/browser/notification_observer.h" | 17 #include "content/public/browser/notification_observer.h" |
| 18 #include "content/public/browser/notification_registrar.h" | 18 #include "content/public/browser/notification_registrar.h" |
| 19 | 19 |
| 20 // This class implements the SpellCheckHost interface to provide the | 20 // This class implements the SpellCheckHost interface to provide the |
| 21 // functionalities listed below: | 21 // functionalities listed below: |
| 22 // * Adding a word to the custom dictionary; | 22 // * Adding a word to the custom dictionary; |
| 23 // * Storing the custom dictionary to the file, and read it back | 23 // * Storing the custom dictionary to the file, and read it back |
| 24 // from the file during the initialization. | 24 // from the file during the initialization. |
| 25 // * Downloading a dictionary and map it for the renderer, and; | 25 // * Downloading a dictionary and map it for the renderer, and; |
| 26 // * Calling the platform spellchecker attached to the browser; | 26 // * Calling the platform spellchecker attached to the browser; |
| 27 // | 27 // |
| 28 // To download a dictionary and initialize it without blocking the UI thread, | 28 // To download a dictionary and initialize it without blocking the UI thread, |
| 29 // this class also implements the URLFetcher::Delegate() interface. This | 29 // this class also implements the URLFetcher::Delegate() interface. This |
| 30 // initialization status is notified to the UI thread through the | 30 // initialization status is notified to the UI thread through the |
| 31 // SpellCheckProfileProvider interface. | 31 // SpellCheckProfileProvider interface. |
| 32 // | 32 // |
| 33 // We expect a profile creates an instance of this class through a factory | 33 // We expect a profile creates an instance of this class through a factory |
| 34 // method, SpellCheckHost::Create() and uses only the SpellCheckHost interface | 34 // method, SpellCheckHost::Create() and uses only the SpellCheckHost interface |
| 35 // provided by this class. | 35 // provided by this class. |
| 36 // spell_check_host_ = SpellCheckHost::Create(...) | 36 // spell_check_host_ = SpellCheckHost::Create(...) |
| 37 // | 37 // |
| 38 // Available languages for the checker, which we need to specify via Create(), | 38 // Available languages for the checker, which we need to specify via Create(), |
| 39 // can be listed using SpellCheckHost::GetAvailableLanguages() static method. | 39 // can be listed using SpellCheckHost::GetAvailableLanguages() static method. |
| 40 class SpellCheckHostImpl : public SpellCheckHost, | 40 class SpellCheckHostImpl : public SpellCheckHost, |
| 41 public URLFetcher::Delegate, | 41 public content::URLFetcherDelegate, |
| 42 public content::NotificationObserver { | 42 public content::NotificationObserver { |
| 43 public: | 43 public: |
| 44 SpellCheckHostImpl(SpellCheckProfileProvider* profile, | 44 SpellCheckHostImpl(SpellCheckProfileProvider* profile, |
| 45 const std::string& language, | 45 const std::string& language, |
| 46 net::URLRequestContextGetter* request_context_getter, | 46 net::URLRequestContextGetter* request_context_getter, |
| 47 SpellCheckHostMetrics* metrics); | 47 SpellCheckHostMetrics* metrics); |
| 48 | 48 |
| 49 void Initialize(); | 49 void Initialize(); |
| 50 | 50 |
| 51 // SpellCheckHost implementation | 51 // SpellCheckHost implementation |
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| 95 // Write a custom dictionary addition to disk. | 95 // Write a custom dictionary addition to disk. |
| 96 void WriteWordToCustomDictionary(const std::string& word); | 96 void WriteWordToCustomDictionary(const std::string& word); |
| 97 | 97 |
| 98 // Returns a metrics counter associated with this object, | 98 // Returns a metrics counter associated with this object, |
| 99 // or null when metrics recording is disabled. | 99 // or null when metrics recording is disabled. |
| 100 virtual SpellCheckHostMetrics* GetMetrics() const; | 100 virtual SpellCheckHostMetrics* GetMetrics() const; |
| 101 | 101 |
| 102 // Returns true if the dictionary is ready to use. | 102 // Returns true if the dictionary is ready to use. |
| 103 virtual bool IsReady() const; | 103 virtual bool IsReady() const; |
| 104 | 104 |
| 105 // URLFetcher::Delegate implementation. Called when we finish downloading the | 105 // content::URLFetcherDelegate implementation. Called when we finish |
| 106 // spellcheck dictionary; saves the dictionary to |data_|. | 106 // downloading the spellcheck dictionary; saves the dictionary to |data_|. |
| 107 virtual void OnURLFetchComplete(const URLFetcher* source, | 107 virtual void OnURLFetchComplete(const URLFetcher* source); |
| 108 const GURL& url, | |
| 109 const net::URLRequestStatus& status, | |
| 110 int response_code, | |
| 111 const net::ResponseCookies& cookies, | |
| 112 const std::string& data); | |
| 113 | 108 |
| 114 // NotificationProfile implementation. | 109 // NotificationProfile implementation. |
| 115 virtual void Observe(int type, | 110 virtual void Observe(int type, |
| 116 const content::NotificationSource& source, | 111 const content::NotificationSource& source, |
| 117 const content::NotificationDetails& details); | 112 const content::NotificationDetails& details); |
| 118 | 113 |
| 119 // Saves |data_| to disk. Run on the file thread. | 114 // Saves |data_| to disk. Run on the file thread. |
| 120 void SaveDictionaryData(); | 115 void SaveDictionaryData(); |
| 121 | 116 |
| 122 // Verifies the specified BDict file exists and it is sane. This function | 117 // Verifies the specified BDict file exists and it is sane. This function |
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| 158 | 153 |
| 159 content::NotificationRegistrar registrar_; | 154 content::NotificationRegistrar registrar_; |
| 160 | 155 |
| 161 // An optional metrics counter given by the constructor. | 156 // An optional metrics counter given by the constructor. |
| 162 SpellCheckHostMetrics* metrics_; | 157 SpellCheckHostMetrics* metrics_; |
| 163 | 158 |
| 164 DISALLOW_COPY_AND_ASSIGN(SpellCheckHostImpl); | 159 DISALLOW_COPY_AND_ASSIGN(SpellCheckHostImpl); |
| 165 }; | 160 }; |
| 166 | 161 |
| 167 #endif // CHROME_BROWSER_SPELLCHECKER_SPELLCHECK_HOST_IMPL_H_ | 162 #endif // CHROME_BROWSER_SPELLCHECKER_SPELLCHECK_HOST_IMPL_H_ |
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