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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_PRERENDER_PRERENDER_MANAGER_H_ | 5 #ifndef CHROME_BROWSER_PRERENDER_PRERENDER_MANAGER_H_ |
6 #define CHROME_BROWSER_PRERENDER_PRERENDER_MANAGER_H_ | 6 #define CHROME_BROWSER_PRERENDER_PRERENDER_MANAGER_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <list> | 9 #include <list> |
10 #include <map> | 10 #include <map> |
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162 // Checks whether navigation to the provided URL has occured in a visible | 162 // Checks whether navigation to the provided URL has occured in a visible |
163 // tab recently. | 163 // tab recently. |
164 bool HasRecentlyBeenNavigatedTo(const GURL& url); | 164 bool HasRecentlyBeenNavigatedTo(const GURL& url); |
165 | 165 |
166 // Returns true if the method given is invalid for prerendering. | 166 // Returns true if the method given is invalid for prerendering. |
167 static bool IsValidHttpMethod(const std::string& method); | 167 static bool IsValidHttpMethod(const std::string& method); |
168 | 168 |
169 // Returns a Value object containing the active pages being prerendered, and | 169 // Returns a Value object containing the active pages being prerendered, and |
170 // a history of pages which were prerendered. The caller is responsible for | 170 // a history of pages which were prerendered. The caller is responsible for |
171 // deleting the return value. | 171 // deleting the return value. |
172 Value* GetAsValue() const; | 172 base::Value* GetAsValue() const; |
173 | 173 |
174 // Clears the data indicated by which bits of clear_flags are set. | 174 // Clears the data indicated by which bits of clear_flags are set. |
175 // | 175 // |
176 // If the CLEAR_PRERENDER_CONTENTS bit is set, all active prerenders are | 176 // If the CLEAR_PRERENDER_CONTENTS bit is set, all active prerenders are |
177 // cancelled and then deleted, and any TabContents queued for destruction are | 177 // cancelled and then deleted, and any TabContents queued for destruction are |
178 // destroyed as well. | 178 // destroyed as well. |
179 // | 179 // |
180 // If the CLEAR_PRERENDER_HISTORY bit is set, the prerender history is | 180 // If the CLEAR_PRERENDER_HISTORY bit is set, the prerender history is |
181 // cleared, including any entries newly created by destroying them in | 181 // cleared, including any entries newly created by destroying them in |
182 // response to the CLEAR_PRERENDER_CONTENTS flag. | 182 // response to the CLEAR_PRERENDER_CONTENTS flag. |
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301 | 301 |
302 // Adds to the history list. | 302 // Adds to the history list. |
303 void AddToHistory(PrerenderContents* contents); | 303 void AddToHistory(PrerenderContents* contents); |
304 | 304 |
305 // Records that some visible tab navigated (or was redirected) to the | 305 // Records that some visible tab navigated (or was redirected) to the |
306 // provided URL. | 306 // provided URL. |
307 void RecordNavigation(const GURL& url); | 307 void RecordNavigation(const GURL& url); |
308 | 308 |
309 // Returns a new Value representing the pages currently being prerendered. The | 309 // Returns a new Value representing the pages currently being prerendered. The |
310 // caller is responsible for delete'ing the return value. | 310 // caller is responsible for delete'ing the return value. |
311 Value* GetActivePrerendersAsValue() const; | 311 base::Value* GetActivePrerendersAsValue() const; |
312 | 312 |
313 // Destroys all pending prerenders using FinalStatus. Also deletes them as | 313 // Destroys all pending prerenders using FinalStatus. Also deletes them as |
314 // well as any swapped out TabContents queued for destruction. | 314 // well as any swapped out TabContents queued for destruction. |
315 // Used both on destruction, and when clearing the browing history. | 315 // Used both on destruction, and when clearing the browing history. |
316 void DestroyAllContents(FinalStatus final_status); | 316 void DestroyAllContents(FinalStatus final_status); |
317 | 317 |
318 // Records the time from when a page starts prerendering to when the user | 318 // Records the time from when a page starts prerendering to when the user |
319 // navigates to it. This must be called on the UI thread. | 319 // navigates to it. This must be called on the UI thread. |
320 void RecordTimeUntilUsed(base::TimeDelta time_until_used); | 320 void RecordTimeUntilUsed(base::TimeDelta time_until_used); |
321 | 321 |
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410 ScopedVector<OnCloseTabContentsDeleter> on_close_tab_contents_deleters_; | 410 ScopedVector<OnCloseTabContentsDeleter> on_close_tab_contents_deleters_; |
411 | 411 |
412 scoped_ptr<PrerenderHistory> prerender_history_; | 412 scoped_ptr<PrerenderHistory> prerender_history_; |
413 | 413 |
414 DISALLOW_COPY_AND_ASSIGN(PrerenderManager); | 414 DISALLOW_COPY_AND_ASSIGN(PrerenderManager); |
415 }; | 415 }; |
416 | 416 |
417 } // namespace prerender | 417 } // namespace prerender |
418 | 418 |
419 #endif // CHROME_BROWSER_PRERENDER_PRERENDER_MANAGER_H_ | 419 #endif // CHROME_BROWSER_PRERENDER_PRERENDER_MANAGER_H_ |
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