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      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
      3 // found in the LICENSE file.
      4 
      5 #include "chrome/browser/sessions/session_restore.h"
      6 
      7 #include <vector>
      8 
      9 #include "chrome/browser/android/tab_android.h"
     10 #include "chrome/browser/profiles/profile.h"
     11 #include "chrome/browser/sessions/session_types.h"
     12 #include "chrome/browser/ui/android/tab_model/tab_model.h"
     13 #include "chrome/browser/ui/android/tab_model/tab_model_list.h"
     14 #include "chrome/browser/ui/browser.h"
     15 #include "chrome/browser/ui/browser_finder.h"
     16 #include "content/public/browser/navigation_controller.h"
     17 #include "content/public/browser/web_contents.h"
     18 
     19 // The android implementation does not do anything "foreign session" specific.
     20 // We use it to restore tabs from "recently closed" too.
     21 // static
     22 content::WebContents* SessionRestore::RestoreForeignSessionTab(
     23     content::WebContents* web_contents,
     24     const SessionTab& session_tab,
     25     WindowOpenDisposition disposition) {
     26   DCHECK(session_tab.navigations.size() > 0);
     27   content::BrowserContext* context = web_contents->GetBrowserContext();
     28   Profile* profile = Profile::FromBrowserContext(context);
     29   TabModel* tab_model = TabModelList::GetTabModelForWebContents(web_contents);
     30   DCHECK(tab_model);
     31   std::vector<content::NavigationEntry*> entries =
     32       sessions::SerializedNavigationEntry::ToNavigationEntries(
     33           session_tab.navigations, profile);
     34   content::WebContents* new_web_contents = content::WebContents::Create(
     35       content::WebContents::CreateParams(context));
     36   int selected_index = session_tab.normalized_navigation_index();
     37   new_web_contents->GetController().Restore(
     38       selected_index,
     39       content::NavigationController::RESTORE_LAST_SESSION_EXITED_CLEANLY,
     40       &entries);
     41 
     42   TabAndroid* current_tab = TabAndroid::FromWebContents(web_contents);
     43   DCHECK(current_tab);
     44   if (disposition == CURRENT_TAB) {
     45     current_tab->SwapTabContents(web_contents, new_web_contents, false, false);
     46     delete web_contents;
     47   } else {
     48     DCHECK(disposition == NEW_FOREGROUND_TAB ||
     49         disposition == NEW_BACKGROUND_TAB);
     50     tab_model->CreateTab(new_web_contents, current_tab->GetAndroidId());
     51   }
     52   return new_web_contents;
     53 }
     54 
     55 // static
     56 std::vector<Browser*> SessionRestore::RestoreForeignSessionWindows(
     57     Profile* profile,
     58     chrome::HostDesktopType host_desktop_type,
     59     std::vector<const SessionWindow*>::const_iterator begin,
     60     std::vector<const SessionWindow*>::const_iterator end) {
     61   NOTREACHED();
     62   return std::vector<Browser*>();
     63 }
     64