Move reload processing from TranslateManager to TranslateTabHelper.

chrome/browser/translate/translate_tab_helper.h

 // Copyright 2011 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 CHROME_BROWSER_TRANSLATE_TRANSLATE_TAB_HELPER_H_
 #define CHROME_BROWSER_TRANSLATE_TRANSLATE_TAB_HELPER_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
 #include "chrome/browser/ui/translate/translate_bubble_model.h"
 #include "components/translate/content/browser/content_translate_driver.h"
 #include "components/translate/core/browser/translate_client.h"
 #include "components/translate/core/common/translate_errors.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_contents_user_data.h"
 
 #if defined(CLD2_DYNAMIC_MODE)
 #include "base/basictypes.h"
 #include "base/lazy_instance.h"
-#include "base/memory/weak_ptr.h"
 #include "base/synchronization/lock.h"
 #include "base/task_runner.h"
 #endif
 
 namespace base {
 class File;
 }
 
 namespace content {
 class BrowserContext;
@@ skipping 49 matching lines @@
   };
 
   // Called when the embedder should present UI to the user corresponding to the
   // user's current |step|.
   void ShowTranslateUI(TranslateStep step,
                        const std::string source_language,
                        const std::string target_language,
                        TranslateErrors::Type error_type,
                        bool triggered_from_menu);
 
+  // Number of attempts before waiting for a page to be fully reloaded.
+  void set_translate_max_reload_attempts(int attempts) {
+    max_reload_check_attempts_ = attempts;
+  }
+
   // TranslateClient implementation.
   virtual TranslateDriver* GetTranslateDriver() OVERRIDE;
   virtual PrefService* GetPrefs() OVERRIDE;
   virtual scoped_ptr<TranslatePrefs> GetTranslatePrefs() OVERRIDE;
   virtual TranslateAcceptLanguages* GetTranslateAcceptLanguages() OVERRIDE;
 
  private:
   explicit TranslateTabHelper(content::WebContents* web_contents);
   friend class content::WebContentsUserData<TranslateTabHelper>;
 
   // content::WebContentsObserver implementation.
+  virtual void NavigationEntryCommitted(
+      const content::LoadCommittedDetails& load_details) OVERRIDE;
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void DidNavigateAnyFrame(
       const content::LoadCommittedDetails& details,
       const content::FrameNavigateParams& params) OVERRIDE;
   virtual void WebContentsDestroyed(
       content::WebContents* web_contents) OVERRIDE;
 
+  // Initiates translation once the page is finished loading.
+  void InitiateTranslation(const std::string& page_lang, int attempt);
   void OnLanguageDetermined(const LanguageDetectionDetails& details,
                             bool page_needs_translation);
   void OnPageTranslated(int32 page_id,
                         const std::string& original_lang,
                         const std::string& translated_lang,
                         TranslateErrors::Type error_type);
 
 #if defined(CLD2_DYNAMIC_MODE)
   // Called when we receive ChromeViewHostMsg_NeedCLDData from a renderer.
   // If we have already cached the data, responds immediately; else, enqueues
@@ skipping 11 matching lines @@
   static void HandleCLDDataRequest();
 
   // If the CLD data is ready, send it to the renderer. Briefly checks the lock.
   void MaybeSendCLDDataAvailable();
 
   // Sends the renderer a response containing the data file handle. No locking.
   void SendCLDDataAvailable(const base::File* handle,
                             const uint64 data_offset,
                             const uint64 data_length);
 
-  // Necessary for binding the callback to HandleCLDDataRequest on the blocking
-  // pool.
-  base::WeakPtrFactory<TranslateTabHelper> weak_pointer_factory_;
-
   // The data file,  cached as long as the process stays alive.
   // We also track the offset at which the data starts, and its length.
   static base::File* s_cached_file_; // guarded by file_lock_
   static uint64 s_cached_data_offset_; // guarded by file_lock_
   static uint64 s_cached_data_length_; // guarded by file_lock_
 
   // Guards s_cached_file_
   static base::LazyInstance<base::Lock> s_file_lock_;
 
 #endif
 
   // Shows the translate bubble.
   void ShowBubble(TranslateStep step, TranslateErrors::Type error_type);
 
+  // Max number of attempts before checking if a page has been reloaded.
+  int max_reload_check_attempts_;
+
   ContentTranslateDriver translate_driver_;
   scoped_ptr<TranslateManager> translate_manager_;
 
+  // Necessary for binding the callback to HandleCLDDataRequest on the blocking
+  // pool and for delaying translation initialization until the page has
+  // finished loading on a reload.
+  base::WeakPtrFactory<TranslateTabHelper> weak_pointer_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(TranslateTabHelper);
 };
 
 #endif  // CHROME_BROWSER_TRANSLATE_TRANSLATE_TAB_HELPER_H_