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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/sessions/session_restore.h" | 5 #include "chrome/browser/sessions/session_restore.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <list> | 8 #include <list> |
9 #include <set> | 9 #include <set> |
10 #include <string> | 10 #include <string> |
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966 int initial_tab_count, | 966 int initial_tab_count, |
967 int selected_tab_index) { | 967 int selected_tab_index) { |
968 VLOG(1) << "RestoreTabsToBrowser " << window.tabs.size(); | 968 VLOG(1) << "RestoreTabsToBrowser " << window.tabs.size(); |
969 DCHECK(!window.tabs.empty()); | 969 DCHECK(!window.tabs.empty()); |
970 if (initial_tab_count == 0) { | 970 if (initial_tab_count == 0) { |
971 for (int i = 0; i < static_cast<int>(window.tabs.size()); ++i) { | 971 for (int i = 0; i < static_cast<int>(window.tabs.size()); ++i) { |
972 const SessionTab& tab = *(window.tabs[i]); | 972 const SessionTab& tab = *(window.tabs[i]); |
973 | 973 |
974 // Loads are scheduled for each restored tab unless the tab is going to | 974 // Loads are scheduled for each restored tab unless the tab is going to |
975 // be selected as ShowBrowser() will load the selected tab. | 975 // be selected as ShowBrowser() will load the selected tab. |
976 bool is_not_selected_tab = (i != selected_tab_index); | 976 bool is_selected_tab = (i == selected_tab_index); |
977 WebContents* restored_tab = | 977 WebContents* restored_tab = |
978 RestoreTab(tab, i, browser, is_not_selected_tab); | 978 RestoreTab(tab, i, browser, is_selected_tab); |
979 | 979 |
980 // RestoreTab can return NULL if |tab| doesn't have valid data. | 980 // RestoreTab can return NULL if |tab| doesn't have valid data. |
981 if (!restored_tab) | 981 if (!restored_tab) |
982 continue; | 982 continue; |
983 | 983 |
984 // If this isn't the selected tab, there's nothing else to do. | 984 // If this isn't the selected tab, there's nothing else to do. |
985 if (is_not_selected_tab) | 985 if (!is_selected_tab) |
986 continue; | 986 continue; |
987 | 987 |
988 ShowBrowser( | 988 ShowBrowser( |
989 browser, | 989 browser, |
990 browser->tab_strip_model()->GetIndexOfWebContents(restored_tab)); | 990 browser->tab_strip_model()->GetIndexOfWebContents(restored_tab)); |
991 // TODO(sky): remove. For debugging 368236. | 991 // TODO(sky): remove. For debugging 368236. |
992 CHECK_EQ(browser->tab_strip_model()->GetActiveWebContents(), | 992 CHECK_EQ(browser->tab_strip_model()->GetActiveWebContents(), |
993 restored_tab); | 993 restored_tab); |
994 tab_loader_->TabIsLoading(&browser->tab_strip_model() | 994 tab_loader_->TabIsLoading(&browser->tab_strip_model() |
995 ->GetActiveWebContents() | 995 ->GetActiveWebContents() |
996 ->GetController()); | 996 ->GetController()); |
997 } | 997 } |
998 } else { | 998 } else { |
999 // If the browser already has tabs, we want to restore the new ones after | 999 // If the browser already has tabs, we want to restore the new ones after |
1000 // the existing ones. E.g. this happens in Win8 Metro where we merge | 1000 // the existing ones. E.g. this happens in Win8 Metro where we merge |
1001 // windows or when launching a hosted app from the app launcher. | 1001 // windows or when launching a hosted app from the app launcher. |
1002 int tab_index_offset = initial_tab_count; | 1002 int tab_index_offset = initial_tab_count; |
1003 for (int i = 0; i < static_cast<int>(window.tabs.size()); ++i) { | 1003 for (int i = 0; i < static_cast<int>(window.tabs.size()); ++i) { |
1004 const SessionTab& tab = *(window.tabs[i]); | 1004 const SessionTab& tab = *(window.tabs[i]); |
1005 // Always schedule loads as we will not be calling ShowBrowser(). | 1005 // Always schedule loads as we will not be calling ShowBrowser(). |
1006 RestoreTab(tab, tab_index_offset + i, browser, true); | 1006 RestoreTab(tab, tab_index_offset + i, browser, false); |
1007 } | 1007 } |
1008 } | 1008 } |
1009 } | 1009 } |
1010 | 1010 |
1011 // |tab_index| is ignored for pinned tabs which will always be pushed behind | 1011 // |tab_index| is ignored for pinned tabs which will always be pushed behind |
1012 // the last existing pinned tab. | 1012 // the last existing pinned tab. |
1013 // |schedule_load| will let |tab_loader_| know that it should schedule this | 1013 // |tab_loader_| will schedule this tab for loading if |is_selected_tab| is |
1014 // tab for loading. | 1014 // false. |
1015 WebContents* RestoreTab(const SessionTab& tab, | 1015 WebContents* RestoreTab(const SessionTab& tab, |
1016 const int tab_index, | 1016 const int tab_index, |
1017 Browser* browser, | 1017 Browser* browser, |
1018 bool schedule_load) { | 1018 bool is_selected_tab) { |
1019 // It's possible (particularly for foreign sessions) to receive a tab | 1019 // It's possible (particularly for foreign sessions) to receive a tab |
1020 // without valid navigations. In that case, just skip it. | 1020 // without valid navigations. In that case, just skip it. |
1021 // See crbug.com/154129. | 1021 // See crbug.com/154129. |
1022 if (tab.navigations.empty()) | 1022 if (tab.navigations.empty()) |
1023 return NULL; | 1023 return NULL; |
1024 int selected_index = tab.current_navigation_index; | 1024 int selected_index = tab.current_navigation_index; |
1025 selected_index = std::max( | 1025 selected_index = std::max( |
1026 0, | 1026 0, |
1027 std::min(selected_index, | 1027 std::min(selected_index, |
1028 static_cast<int>(tab.navigations.size() - 1))); | 1028 static_cast<int>(tab.navigations.size() - 1))); |
1029 | 1029 |
1030 RecordAppLaunchForTab(browser, tab, selected_index); | 1030 RecordAppLaunchForTab(browser, tab, selected_index); |
1031 | 1031 |
1032 // Associate sessionStorage (if any) to the restored tab. | 1032 // Associate sessionStorage (if any) to the restored tab. |
1033 scoped_refptr<content::SessionStorageNamespace> session_storage_namespace; | 1033 scoped_refptr<content::SessionStorageNamespace> session_storage_namespace; |
1034 if (!tab.session_storage_persistent_id.empty()) { | 1034 if (!tab.session_storage_persistent_id.empty()) { |
1035 session_storage_namespace = | 1035 session_storage_namespace = |
1036 content::BrowserContext::GetDefaultStoragePartition(profile_)-> | 1036 content::BrowserContext::GetDefaultStoragePartition(profile_)-> |
1037 GetDOMStorageContext()->RecreateSessionStorage( | 1037 GetDOMStorageContext()->RecreateSessionStorage( |
1038 tab.session_storage_persistent_id); | 1038 tab.session_storage_persistent_id); |
1039 } | 1039 } |
1040 | 1040 |
1041 WebContents* web_contents = | 1041 WebContents* web_contents = |
1042 chrome::AddRestoredTab(browser, | 1042 chrome::AddRestoredTab(browser, |
1043 tab.navigations, | 1043 tab.navigations, |
1044 tab_index, | 1044 tab_index, |
1045 selected_index, | 1045 selected_index, |
1046 tab.extension_app_id, | 1046 tab.extension_app_id, |
1047 !schedule_load, // select | 1047 is_selected_tab, // select |
1048 tab.pinned, | 1048 tab.pinned, |
1049 true, | 1049 true, |
1050 session_storage_namespace.get(), | 1050 session_storage_namespace.get(), |
1051 tab.user_agent_override); | 1051 tab.user_agent_override); |
1052 // Regression check: check that the tab didn't start loading right away. The | 1052 // Regression check: check that the tab didn't start loading right away. The |
1053 // focused tab will be loaded by Browser, and TabLoader will load the rest. | 1053 // focused tab will be loaded by Browser, and TabLoader will load the rest. |
1054 DCHECK(!schedule_load || web_contents->GetController().NeedsReload()); | 1054 DCHECK(is_selected_tab || web_contents->GetController().NeedsReload()); |
1055 | 1055 |
1056 // Set up the file access rights for the selected navigation entry. | 1056 // Set up the file access rights for the selected navigation entry. |
1057 const int id = web_contents->GetRenderProcessHost()->GetID(); | 1057 const int id = web_contents->GetRenderProcessHost()->GetID(); |
1058 const content::PageState& page_state = | 1058 const content::PageState& page_state = |
1059 tab.navigations.at(selected_index).page_state(); | 1059 tab.navigations.at(selected_index).page_state(); |
1060 const std::vector<base::FilePath>& file_paths = | 1060 const std::vector<base::FilePath>& file_paths = |
1061 page_state.GetReferencedFiles(); | 1061 page_state.GetReferencedFiles(); |
1062 for (std::vector<base::FilePath>::const_iterator file = file_paths.begin(); | 1062 for (std::vector<base::FilePath>::const_iterator file = file_paths.begin(); |
1063 file != file_paths.end(); ++file) { | 1063 file != file_paths.end(); ++file) { |
1064 content::ChildProcessSecurityPolicy::GetInstance()->GrantReadFile(id, | 1064 content::ChildProcessSecurityPolicy::GetInstance()->GrantReadFile(id, |
1065 *file); | 1065 *file); |
1066 } | 1066 } |
1067 | 1067 |
1068 if (schedule_load) | 1068 if (!is_selected_tab) |
1069 tab_loader_->ScheduleLoad(&web_contents->GetController()); | 1069 tab_loader_->ScheduleLoad(&web_contents->GetController()); |
1070 return web_contents; | 1070 return web_contents; |
1071 } | 1071 } |
1072 | 1072 |
1073 Browser* CreateRestoredBrowser(Browser::Type type, | 1073 Browser* CreateRestoredBrowser(Browser::Type type, |
1074 gfx::Rect bounds, | 1074 gfx::Rect bounds, |
1075 ui::WindowShowState show_state, | 1075 ui::WindowShowState show_state, |
1076 const std::string& app_name) { | 1076 const std::string& app_name) { |
1077 Browser::CreateParams params(type, profile_, host_desktop_type_); | 1077 Browser::CreateParams params(type, profile_, host_desktop_type_); |
1078 if (!app_name.empty()) { | 1078 if (!app_name.empty()) { |
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1292 if (!active_session_restorers) | 1292 if (!active_session_restorers) |
1293 return false; | 1293 return false; |
1294 for (std::set<SessionRestoreImpl*>::const_iterator it = | 1294 for (std::set<SessionRestoreImpl*>::const_iterator it = |
1295 active_session_restorers->begin(); | 1295 active_session_restorers->begin(); |
1296 it != active_session_restorers->end(); ++it) { | 1296 it != active_session_restorers->end(); ++it) { |
1297 if ((*it)->synchronous()) | 1297 if ((*it)->synchronous()) |
1298 return true; | 1298 return true; |
1299 } | 1299 } |
1300 return false; | 1300 return false; |
1301 } | 1301 } |
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