Restored tabs should set their initial visibility

chrome/browser/ui/browser_tabrestore_browsertest.cc

+// Copyright (c) 2014 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/chrome_notification_types.h"
+#include "chrome/browser/sessions/tab_restore_service.h"
+#include "chrome/browser/sessions/tab_restore_service_delegate.h"
+#include "chrome/browser/sessions/tab_restore_service_factory.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_commands.h"
+#include "chrome/browser/ui/browser_list.h"
+#include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "chrome/browser/ui/toolbar/recent_tabs_sub_menu_model.h"
+#include "chrome/test/base/in_process_browser_test.h"
+#include "chrome/test/base/interactive_test_utils.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/test/browser_test_utils.h"
+
+typedef InProcessBrowserTest BrowserTabRestoreTest;
+
+void AwaitTabsReady(content::DOMMessageQueue* message_queue, int tabs) {
+  for (int i = 0; i < tabs; ++i) {
+    std::string message;
+    EXPECT_TRUE(message_queue->WaitForMessage(&message));
+    EXPECT_EQ("\"READY\"", message);
+  }
+}
+
+void CheckVisbility(TabStripModel* tab_strip_model, int visible_index) {
+  for (int i = 0; i < tab_strip_model->count(); ++i) {
+    content::WebContents* contents = tab_strip_model->GetWebContentsAt(i);
+    std::string document_visibility_state;
+    const char kGetStateJS[] = "window.domAutomationController.send("
+        "window.document.visibilityState);";
+    EXPECT_TRUE(content::ExecuteScriptAndExtractString(
+        contents, kGetStateJS, &document_visibility_state));
+    if (i == visible_index) {
+      EXPECT_EQ("visible", document_visibility_state);
+    } else {
+      EXPECT_EQ("hidden", document_visibility_state);
+    }
+  }
+}
+
+void CreateTestTabs(Browser* browser) {
+  GURL test_page(ui_test_utils::GetTestUrl(base::FilePath(),
+      base::FilePath(FILE_PATH_LITERAL("tab-restore-visibilty.html"))));
+  ui_test_utils::NavigateToURLWithDisposition(
+      browser, test_page, NEW_FOREGROUND_TAB,
+      ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
+  ui_test_utils::NavigateToURLWithDisposition(
+      browser, test_page, NEW_BACKGROUND_TAB,
+      ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
+}
+
+void CloseBrowser(Browser* browser) {
+  content::WindowedNotificationObserver close_observer(
+      chrome::NOTIFICATION_BROWSER_CLOSED,
+      content::Source<Browser>(browser));
+  chrome::CloseWindow(browser);
+  close_observer.Wait();
+}
+
+IN_PROC_BROWSER_TEST_F(BrowserTabRestoreTest, RecentTabsMenuTabDisposition) {
+  // Create tabs.
+  CreateTestTabs(browser());
+  EXPECT_EQ(3, browser()->tab_strip_model()->count());
+
+  // Create a new browser.
+  ui_test_utils::NavigateToURLWithDisposition(
+      browser(), GURL(), NEW_WINDOW,
+      ui_test_utils::BROWSER_TEST_WAIT_FOR_BROWSER);
+  BrowserList* active_browser_list =
+      BrowserList::GetInstance(browser()->host_desktop_type());
+  EXPECT_EQ(2u, active_browser_list->size());
+
+  // Close the first browser.
+  CloseBrowser(browser());
+  EXPECT_EQ(1u, active_browser_list->size());
+
+  // Restore tabs using the browser's recent tabs menu.
+  content::DOMMessageQueue queue;
+  Browser* browser = active_browser_list->get(0);
+  RecentTabsSubMenuModel menu(NULL, browser, NULL);
+  menu.ExecuteCommand(
+      RecentTabsSubMenuModel::GetFirstRecentTabsCommandId(), 0);
+  AwaitTabsReady(&queue, 2);
+
+  // There should be 3 restored tabs in the new browser.
+  EXPECT_EQ(2u, active_browser_list->size());
+  browser = active_browser_list->get(1);
+  EXPECT_EQ(3, browser->tab_strip_model()->count());
+
+  // The middle tab only should have visible disposition.
+  CheckVisbility(browser->tab_strip_model(), 1);
+}
+
+IN_PROC_BROWSER_TEST_F(BrowserTabRestoreTest, DelegateRestoreTabDisposition) {
+  // Create tabs.
+  CreateTestTabs(browser());
+  EXPECT_EQ(3, browser()->tab_strip_model()->count());
+
+  // Create a new browser.
+  ui_test_utils::NavigateToURLWithDisposition(
+      browser(), GURL(), NEW_WINDOW,
+      ui_test_utils::BROWSER_TEST_WAIT_FOR_BROWSER);
+  BrowserList* active_browser_list =
+      BrowserList::GetInstance(browser()->host_desktop_type());
+  EXPECT_EQ(2u, active_browser_list->size());
+
+  // Close the first browser.
+  CloseBrowser(browser());
+  EXPECT_EQ(1u, active_browser_list->size());
+
+  // Check the browser has a delegated restore service.
+  Browser* browser = active_browser_list->get(0);
+  TabRestoreService* service =
+      TabRestoreServiceFactory::GetForProfile(browser->profile());
+  bool has_tab_restore_service = !!service;
+  ASSERT_TRUE(has_tab_restore_service);
+  TabRestoreServiceDelegate* delegate =
+      TabRestoreServiceDelegate::FindDelegateForWebContents(
+          browser->tab_strip_model()->GetActiveWebContents());
+  bool has_tab_restore_delegate = !!delegate;
+  ASSERT_TRUE(has_tab_restore_delegate);
+
+  // Restore tabs using that delegated restore service.
+  content::DOMMessageQueue queue;
+  service->RestoreMostRecentEntry(
+      delegate, browser->host_desktop_type());
+  AwaitTabsReady(&queue, 2);
+
+  // There should be 3 restored tabs in the new browser.
+  EXPECT_EQ(2u, active_browser_list->size());
+  browser = active_browser_list->get(1);
+  EXPECT_EQ(3, browser->tab_strip_model()->count());
+
+  // The middle tab only should have visible disposition.
+  CheckVisbility(browser->tab_strip_model(), 1);
+}