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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 CONTENT_PUBLIC_BROWSER_NAVIGATION_CONTROLLER_H_ | 5 #ifndef CONTENT_PUBLIC_BROWSER_NAVIGATION_CONTROLLER_H_ |
6 #define CONTENT_PUBLIC_BROWSER_NAVIGATION_CONTROLLER_H_ | 6 #define CONTENT_PUBLIC_BROWSER_NAVIGATION_CONTROLLER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
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403 | 403 |
404 // Request a reload to happen when activated. This can be used when a renderer | 404 // Request a reload to happen when activated. This can be used when a renderer |
405 // backing a background tab is killed by the system on Android or ChromeOS. | 405 // backing a background tab is killed by the system on Android or ChromeOS. |
406 virtual void SetNeedsReload() = 0; | 406 virtual void SetNeedsReload() = 0; |
407 | 407 |
408 // Cancels a repost that brought up a warning. | 408 // Cancels a repost that brought up a warning. |
409 virtual void CancelPendingReload() = 0; | 409 virtual void CancelPendingReload() = 0; |
410 // Continues a repost that brought up a warning. | 410 // Continues a repost that brought up a warning. |
411 virtual void ContinuePendingReload() = 0; | 411 virtual void ContinuePendingReload() = 0; |
412 | 412 |
413 // Returns true if we are navigating to the URL the tab is opened with. | 413 // Returns true if this is a newly created tab or a cloned tab, which has not |
414 // Returns false after the initial navigation has committed. | 414 // yet committed a real page. Returns false after the initial navigation has |
| 415 // committed. |
415 virtual bool IsInitialNavigation() const = 0; | 416 virtual bool IsInitialNavigation() const = 0; |
416 | 417 |
| 418 // Returns true if this is a newly created tab (not a clone) that has not yet |
| 419 // committed a real page. |
| 420 virtual bool IsInitialBlankNavigation() const = 0; |
| 421 |
417 // Broadcasts the NOTIFICATION_NAV_ENTRY_CHANGED notification for the given | 422 // Broadcasts the NOTIFICATION_NAV_ENTRY_CHANGED notification for the given |
418 // entry. This will keep things in sync like the saved session. | 423 // entry. This will keep things in sync like the saved session. |
419 virtual void NotifyEntryChanged(const NavigationEntry* entry) = 0; | 424 virtual void NotifyEntryChanged(const NavigationEntry* entry) = 0; |
420 | 425 |
421 // Copies the navigation state from the given controller to this one. This | 426 // Copies the navigation state from the given controller to this one. This |
422 // one should be empty (just created). | 427 // one should be empty (just created). |
423 virtual void CopyStateFrom(const NavigationController& source) = 0; | 428 virtual void CopyStateFrom(const NavigationController& source) = 0; |
424 | 429 |
425 // A variant of CopyStateFrom. Removes all entries from this except the last | 430 // A variant of CopyStateFrom. Removes all entries from this except the last |
426 // committed entry, and inserts all entries from |source| before and including | 431 // committed entry, and inserts all entries from |source| before and including |
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467 | 472 |
468 private: | 473 private: |
469 // This interface should only be implemented inside content. | 474 // This interface should only be implemented inside content. |
470 friend class NavigationControllerImpl; | 475 friend class NavigationControllerImpl; |
471 NavigationController() {} | 476 NavigationController() {} |
472 }; | 477 }; |
473 | 478 |
474 } // namespace content | 479 } // namespace content |
475 | 480 |
476 #endif // CONTENT_PUBLIC_BROWSER_NAVIGATION_CONTROLLER_H_ | 481 #endif // CONTENT_PUBLIC_BROWSER_NAVIGATION_CONTROLLER_H_ |
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