Move tab functions off Browser into browser_tabstrip and browser_tabrestore.

chrome/browser/ui/browser_tabrestore.cc

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/ui/browser_tabrestore.h"
+
+#include "chrome/browser/extensions/extension_tab_helper.h"
+#include "chrome/browser/sessions/session_service.h"
+#include "chrome/browser/sessions/session_service_factory.h"
+#include "chrome/browser/tab_contents/tab_util.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_tabstrip.h"
+#include "chrome/browser/ui/browser_window.h"
+#include "chrome/browser/ui/tab_contents/tab_contents.h"
+#include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "content/public/browser/navigation_controller.h"
+#include "content/public/browser/navigation_entry.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_contents_view.h"
+#include "ipc/ipc_message.h"
+
+using content::WebContents;
+using content::NavigationController;
+using content::NavigationEntry;
+
+namespace chrome {
+
+int GetIndexForInsertionDuringRestore(Browser* browser, int relative_index) {
+  return (browser->tab_strip_model()->insertion_policy() ==
+      TabStripModel::INSERT_AFTER) ? browser->tab_count() : relative_index;
+}
+
+content::WebContents* AddRestoredTab(
+    Browser* browser,
+    const std::vector<TabNavigation>& navigations,
+    int tab_index,
+    int selected_navigation,
+    const std::string& extension_app_id,
+    bool select,
+    bool pin,
+    bool from_last_session,
+    content::SessionStorageNamespace* storage_namespace) {
+  GURL restore_url = navigations.at(selected_navigation).virtual_url();
+  TabContents* tab_contents = chrome::TabContentsFactory(
+      browser->profile(),
+      tab_util::GetSiteInstanceForNewTab(browser->profile(), restore_url),
+      MSG_ROUTING_NONE,
+      chrome::GetActiveWebContents(browser),
+      storage_namespace);
+  WebContents* new_tab = tab_contents->web_contents();
+  tab_contents->extension_tab_helper()->SetExtensionAppById(extension_app_id);
+  std::vector<NavigationEntry*> entries;
+  TabNavigation::CreateNavigationEntriesFromTabNavigations(
+      browser->profile(), navigations, &entries);
+  new_tab->GetController().Restore(
+      selected_navigation, from_last_session, &entries);
+  DCHECK_EQ(0u, entries.size());
+
+  int add_types = select ? TabStripModel::ADD_ACTIVE :
+      TabStripModel::ADD_NONE;
+  if (pin) {
+    int first_mini_tab_idx =
+        browser->tab_strip_model()->IndexOfFirstNonMiniTab();
+    tab_index = std::min(tab_index, first_mini_tab_idx);
+    add_types |= TabStripModel::ADD_PINNED;
+  }
+  browser->tab_strip_model()->InsertTabContentsAt(tab_index, tab_contents,
+                                                  add_types);
+  if (select) {
+    browser->window()->Activate();
+  } else {
+    // We set the size of the view here, before WebKit does its initial
+    // layout.  If we don't, the initial layout of background tabs will be
+    // performed with a view width of 0, which may cause script outputs and
+    // anchor link location calculations to be incorrect even after a new
+    // layout with proper view dimensions. TabStripModel::AddTabContents()
+    // contains similar logic.
+    new_tab->GetView()->SizeContents(
+        browser->window()->GetRestoredBounds().size());
+    new_tab->WasHidden();
+  }
+  SessionService* session_service =
+      SessionServiceFactory::GetForProfileIfExisting(browser->profile());
+  if (session_service)
+    session_service->TabRestored(tab_contents, pin);
+  return new_tab;
+}
+
+void ReplaceRestoredTab(
+    Browser* browser,
+    const std::vector<TabNavigation>& navigations,
+    int selected_navigation,
+    bool from_last_session,
+    const std::string& extension_app_id,
+    content::SessionStorageNamespace* session_storage_namespace) {
+  GURL restore_url = navigations.at(selected_navigation).virtual_url();
+  TabContents* tab_contents = chrome::TabContentsFactory(
+      browser->profile(),
+      tab_util::GetSiteInstanceForNewTab(browser->profile(), restore_url),
+      MSG_ROUTING_NONE,
+      GetActiveWebContents(browser),
+      session_storage_namespace);
+  tab_contents->extension_tab_helper()->SetExtensionAppById(extension_app_id);
+  WebContents* replacement = tab_contents->web_contents();
+  std::vector<NavigationEntry*> entries;
+  TabNavigation::CreateNavigationEntriesFromTabNavigations(
+      browser->profile(), navigations, &entries);
+  replacement->GetController().Restore(
+      selected_navigation, from_last_session, &entries);
+  DCHECK_EQ(0u, entries.size());
+
+  browser->tab_strip_model()->ReplaceNavigationControllerAt(
+      browser->active_index(),
+      tab_contents);
+}
+
+}  // namespace chrome