text: // Copyright 2013 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 "apps/shell_window.h"
  #include "apps/shell_window_registry.h"
  #include "base/bind.h"
  #include "chrome/browser/apps/app_browsertest_util.h"
  #include "chrome/browser/browser_process.h"
  #include "chrome/browser/extensions/api/feedback_private/feedback_private_api.h"
  #include "chrome/browser/extensions/component_loader.h"
  #include "chrome/browser/extensions/event_router.h"
  #include "chrome/browser/extensions/extension_browsertest.h"
  #include "chrome/browser/extensions/extension_system.h"
  #include "chrome/browser/profiles/profile.h"
  #include "chrome/browser/ui/browser.h"
  #include "chrome/common/extensions/api/feedback_private.h"
  #include "chrome/test/base/in_process_browser_test.h"
  #include "chrome/test/base/ui_test_utils.h"
  #include "content/public/common/content_switches.h"
  
  using apps::ShellWindow;
  using apps::ShellWindowRegistry;
  using extensions::Extension;
  
  namespace {
  
  void StopMessageLoopCallback() {
    base::MessageLoopForUI::current()->Quit();
  }
  
  }  // namespace
  
  namespace extensions {
  
  class FeedbackTest : public ExtensionBrowserTest {
   public:
    virtual void SetUp() OVERRIDE {
      extensions::ComponentLoader::EnableBackgroundExtensionsForTesting();
      InProcessBrowserTest::SetUp();
    }
  
    virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
      command_line->AppendSwitch(::switches::kEnableUserMediaScreenCapturing);
      InProcessBrowserTest::SetUpCommandLine(command_line);
    }
  
   protected:
    bool IsFeedbackAppAvailable() {
      return extensions::ExtensionSystem::Get(
          browser()->profile())->event_router()->ExtensionHasEventListener(
              kFeedbackExtensionId,
              extensions::api::feedback_private::OnFeedbackRequested::kEventName);
    }
  
    void StartFeedbackUI() {
      base::Closure callback = base::Bind(&StopMessageLoopCallback);
      extensions::FeedbackPrivateGetStringsFunction::set_test_callback(&callback);
      InvokeFeedbackUI();
      content::RunMessageLoop();
      extensions::FeedbackPrivateGetStringsFunction::set_test_callback(NULL);
    }
  
    void VerifyFeedbackAppLaunch() {
      ShellWindow* window =
          PlatformAppBrowserTest::GetFirstShellWindowForBrowser(browser());
      ASSERT_TRUE(window);
      const Extension* feedback_app = window->extension();
      ASSERT_TRUE(feedback_app);
      EXPECT_EQ(feedback_app->id(), std::string(kFeedbackExtensionId));
    }
  
   private:
    void InvokeFeedbackUI() {
      extensions::FeedbackPrivateAPI* api =
          extensions::FeedbackPrivateAPI::GetFactoryInstance()->GetForProfile(
              browser()->profile());
      api->RequestFeedback("Test description",
                           "Test tag",
                           GURL("http://www.test.com"));
    }
  };
  
  IN_PROC_BROWSER_TEST_F(FeedbackTest, ShowFeedback) {
    WaitForExtensionViewsToLoad();
  
    ASSERT_TRUE(IsFeedbackAppAvailable());
    StartFeedbackUI();
    VerifyFeedbackAppLaunch();
  }
  
  }  // namespace extensions
  