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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 #include "chrome/browser/ui/tab_contents/tab_contents_iterator.h" | 5 #include "chrome/browser/ui/tab_contents/tab_contents_iterator.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 #include "chrome/browser/browser_process.h" | 8 #include "chrome/browser/browser_process.h" |
| 9 #include "chrome/browser/ui/browser.h" | 9 #include "chrome/browser/ui/browser.h" |
| 10 #include "chrome/browser/printing/background_printing_manager.h" | 10 #include "chrome/browser/printing/background_printing_manager.h" |
| 11 | 11 |
| 12 namespace { | 12 namespace { |
| 13 | 13 |
| 14 printing::BackgroundPrintingManager* GetBackgroundPrintingManager() { | 14 printing::BackgroundPrintingManager* GetBackgroundPrintingManager() { |
| 15 return g_browser_process->background_printing_manager(); | 15 return g_browser_process->background_printing_manager(); |
| 16 } | 16 } |
| 17 | 17 |
| 18 } // namespace | 18 } // namespace |
| 19 | 19 |
| 20 TabContentsIterator::TabContentsIterator() | 20 TabContentsIterator::TabContentsIterator() |
| 21 : browser_iterator_(BrowserList::begin()), | 21 : browser_iterator_(BrowserList::begin()), |
| 22 web_view_index_(-1), | 22 web_view_index_(-1), |
| 23 bg_printing_iterator_(GetBackgroundPrintingManager()->begin()), | 23 bg_printing_iterator_(GetBackgroundPrintingManager()->begin()), |
| 24 cur_(NULL) { | 24 cur_(NULL) { |
| 25 Advance(); | 25 Advance(); |
| 26 } | 26 } |
| 27 | 27 |
| 28 void TabContentsIterator::Advance() { | 28 void TabContentsIterator::Advance() { |
| 29 // The current WebContents should be valid unless we are at the beginning. | 29 // The current TabContents should be valid unless we are at the beginning. |
| 30 DCHECK(cur_ || (web_view_index_ == -1 && | 30 DCHECK(cur_ || (web_view_index_ == -1 && |
| 31 browser_iterator_ == BrowserList::begin())) | 31 browser_iterator_ == BrowserList::begin())) |
| 32 << "Trying to advance past the end"; | 32 << "Trying to advance past the end"; |
| 33 | 33 |
| 34 // Update cur_ to the next WebContents in the list. | 34 // Update cur_ to the next TabContents in the list. |
| 35 while (browser_iterator_ != BrowserList::end()) { | 35 while (browser_iterator_ != BrowserList::end()) { |
| 36 if (++web_view_index_ >= (*browser_iterator_)->tab_count()) { | 36 if (++web_view_index_ >= (*browser_iterator_)->tab_count()) { |
| 37 // Advance to the next Browser in the list. | 37 // Advance to the next Browser in the list. |
| 38 ++browser_iterator_; | 38 ++browser_iterator_; |
| 39 web_view_index_ = -1; | 39 web_view_index_ = -1; |
| 40 continue; | 40 continue; |
| 41 } | 41 } |
| 42 | 42 |
| 43 TabContentsWrapper* next_tab = | 43 TabContents* next_tab = |
| 44 (*browser_iterator_)->GetTabContentsWrapperAt(web_view_index_); | 44 (*browser_iterator_)->GetTabContentsWrapperAt(web_view_index_); |
| 45 if (next_tab) { | 45 if (next_tab) { |
| 46 cur_ = next_tab; | 46 cur_ = next_tab; |
| 47 return; | 47 return; |
| 48 } | 48 } |
| 49 } | 49 } |
| 50 // If no more WebContents from Browsers, check the BackgroundPrintingManager. | 50 // If no more TabContents from Browsers, check the BackgroundPrintingManager. |
| 51 while (bg_printing_iterator_ != GetBackgroundPrintingManager()->end()) { | 51 while (bg_printing_iterator_ != GetBackgroundPrintingManager()->end()) { |
| 52 cur_ = *bg_printing_iterator_; | 52 cur_ = *bg_printing_iterator_; |
| 53 CHECK(cur_); | 53 CHECK(cur_); |
| 54 ++bg_printing_iterator_; | 54 ++bg_printing_iterator_; |
| 55 return; | 55 return; |
| 56 } | 56 } |
| 57 // Reached the end - no more WebContents. | 57 // Reached the end - no more TabContents. |
| 58 cur_ = NULL; | 58 cur_ = NULL; |
| 59 } | 59 } |
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