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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/browser_list.h" | 5 #include "chrome/browser/ui/browser_list.h" |
| 6 | 6 |
| 7 #include "base/command_line.h" | 7 #include "base/command_line.h" |
| 8 #include "base/logging.h" | 8 #include "base/logging.h" |
| 9 #include "base/message_loop.h" | 9 #include "base/message_loop.h" |
| 10 #include "base/metrics/histogram.h" | 10 #include "base/metrics/histogram.h" |
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| 78 int hosts_count = 0; | 78 int hosts_count = 0; |
| 79 for (content::RenderProcessHost::iterator i( | 79 for (content::RenderProcessHost::iterator i( |
| 80 content::RenderProcessHost::AllHostsIterator()); | 80 content::RenderProcessHost::AllHostsIterator()); |
| 81 !i.IsAtEnd(); i.Advance()) | 81 !i.IsAtEnd(); i.Advance()) |
| 82 ++hosts_count; | 82 ++hosts_count; |
| 83 UMA_HISTOGRAM_CUSTOM_COUNTS("MPArch.RPHCountPerLoad", hosts_count, | 83 UMA_HISTOGRAM_CUSTOM_COUNTS("MPArch.RPHCountPerLoad", hosts_count, |
| 84 1, 50, 50); | 84 1, 50, 50); |
| 85 } | 85 } |
| 86 | 86 |
| 87 // Counts the number of tabs in each browser window and logs them. This is | 87 // Counts the number of tabs in each browser window and logs them. This is |
| 88 // different than the number of TabContents objects since TabContents objects | 88 // different than the number of WebContents objects since WebContents objects |
| 89 // can be used for popups and in dialog boxes. We're just counting toplevel | 89 // can be used for popups and in dialog boxes. We're just counting toplevel |
| 90 // tabs here. | 90 // tabs here. |
| 91 void LogBrowserTabCount() const { | 91 void LogBrowserTabCount() const { |
| 92 int tab_count = 0; | 92 int tab_count = 0; |
| 93 for (BrowserList::const_iterator browser_iterator = BrowserList::begin(); | 93 for (BrowserList::const_iterator browser_iterator = BrowserList::begin(); |
| 94 browser_iterator != BrowserList::end(); browser_iterator++) { | 94 browser_iterator != BrowserList::end(); browser_iterator++) { |
| 95 // Record how many tabs each window has open. | 95 // Record how many tabs each window has open. |
| 96 UMA_HISTOGRAM_CUSTOM_COUNTS("Tabs.TabCountPerWindow", | 96 UMA_HISTOGRAM_CUSTOM_COUNTS("Tabs.TabCountPerWindow", |
| 97 (*browser_iterator)->tab_count(), 1, 200, 50); | 97 (*browser_iterator)->tab_count(), 1, 200, 50); |
| 98 tab_count += (*browser_iterator)->tab_count(); | 98 tab_count += (*browser_iterator)->tab_count(); |
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| 848 | 848 |
| 849 TabContentsIterator::TabContentsIterator() | 849 TabContentsIterator::TabContentsIterator() |
| 850 : browser_iterator_(BrowserList::begin()), | 850 : browser_iterator_(BrowserList::begin()), |
| 851 web_view_index_(-1), | 851 web_view_index_(-1), |
| 852 bg_printing_iterator_(GetBackgroundPrintingManager()->begin()), | 852 bg_printing_iterator_(GetBackgroundPrintingManager()->begin()), |
| 853 cur_(NULL) { | 853 cur_(NULL) { |
| 854 Advance(); | 854 Advance(); |
| 855 } | 855 } |
| 856 | 856 |
| 857 void TabContentsIterator::Advance() { | 857 void TabContentsIterator::Advance() { |
| 858 // The current TabContents should be valid unless we are at the beginning. | 858 // The current WebContents should be valid unless we are at the beginning. |
| 859 DCHECK(cur_ || (web_view_index_ == -1 && | 859 DCHECK(cur_ || (web_view_index_ == -1 && |
| 860 browser_iterator_ == BrowserList::begin())) | 860 browser_iterator_ == BrowserList::begin())) |
| 861 << "Trying to advance past the end"; | 861 << "Trying to advance past the end"; |
| 862 | 862 |
| 863 // Update cur_ to the next TabContents in the list. | 863 // Update cur_ to the next WebContents in the list. |
| 864 while (browser_iterator_ != BrowserList::end()) { | 864 while (browser_iterator_ != BrowserList::end()) { |
| 865 if (++web_view_index_ >= (*browser_iterator_)->tab_count()) { | 865 if (++web_view_index_ >= (*browser_iterator_)->tab_count()) { |
| 866 // Advance to the next Browser in the list. | 866 // Advance to the next Browser in the list. |
| 867 ++browser_iterator_; | 867 ++browser_iterator_; |
| 868 web_view_index_ = -1; | 868 web_view_index_ = -1; |
| 869 continue; | 869 continue; |
| 870 } | 870 } |
| 871 | 871 |
| 872 TabContentsWrapper* next_tab = | 872 TabContentsWrapper* next_tab = |
| 873 (*browser_iterator_)->GetTabContentsWrapperAt(web_view_index_); | 873 (*browser_iterator_)->GetTabContentsWrapperAt(web_view_index_); |
| 874 if (next_tab) { | 874 if (next_tab) { |
| 875 cur_ = next_tab; | 875 cur_ = next_tab; |
| 876 return; | 876 return; |
| 877 } | 877 } |
| 878 } | 878 } |
| 879 // If no more TabContents from Browsers, check the BackgroundPrintingManager. | 879 // If no more WebContents from Browsers, check the BackgroundPrintingManager. |
| 880 while (bg_printing_iterator_ != GetBackgroundPrintingManager()->end()) { | 880 while (bg_printing_iterator_ != GetBackgroundPrintingManager()->end()) { |
| 881 cur_ = *bg_printing_iterator_; | 881 cur_ = *bg_printing_iterator_; |
| 882 CHECK(cur_); | 882 CHECK(cur_); |
| 883 ++bg_printing_iterator_; | 883 ++bg_printing_iterator_; |
| 884 return; | 884 return; |
| 885 } | 885 } |
| 886 // Reached the end - no more TabContents. | 886 // Reached the end - no more WebContents. |
| 887 cur_ = NULL; | 887 cur_ = NULL; |
| 888 } | 888 } |
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