Remove ability for users to launch ephemeral apps.

chrome/browser/apps/ephemeral_app_launcher.h

-// 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.
-
-#ifndef CHROME_BROWSER_APPS_EPHEMERAL_APP_LAUNCHER_H_
-#define CHROME_BROWSER_APPS_EPHEMERAL_APP_LAUNCHER_H_
-
-#include <string>
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/callback.h"
-#include "base/scoped_observer.h"
-#include "chrome/browser/extensions/webstore_standalone_installer.h"
-#include "chrome/browser/ui/extensions/extension_enable_flow_delegate.h"
-#include "content/public/browser/web_contents_observer.h"
-
-class ExtensionEnableFlow;
-class NativeWindowTracker;
-class Profile;
-
-namespace content {
-class WebContents;
-}
-
-namespace extensions {
-class Extension;
-class ExtensionInstallChecker;
-class ExtensionRegistry;
-}
-
-// EphemeralAppLauncher manages the launching of ephemeral apps. It handles
-// display of a prompt, initiates install of the app (if necessary) and finally
-// launches the app.
-class EphemeralAppLauncher : public extensions::WebstoreStandaloneInstaller,
-                             public content::WebContentsObserver,
-                             public ExtensionEnableFlowDelegate {
- public:
-  typedef base::Callback<void(extensions::webstore_install::Result result,
-                              const std::string& error)> LaunchCallback;
-
-  // Returns true if launching ephemeral apps from the webstore is enabled.
-  static bool IsFeatureEnabled();
-
-  // Create for the app launcher.
-  static scoped_refptr<EphemeralAppLauncher> CreateForLauncher(
-      const std::string& webstore_item_id,
-      Profile* profile,
-      gfx::NativeWindow parent_window,
-      const LaunchCallback& callback);
-
-  // Create for a web contents.
-  static scoped_refptr<EphemeralAppLauncher> CreateForWebContents(
-      const std::string& webstore_item_id,
-      content::WebContents* web_contents,
-      const LaunchCallback& callback);
-
-  // Initiate app launch.
-  void Start();
-
- protected:
-  EphemeralAppLauncher(const std::string& webstore_item_id,
-                       Profile* profile,
-                       gfx::NativeWindow parent_window,
-                       const LaunchCallback& callback);
-  EphemeralAppLauncher(const std::string& webstore_item_id,
-                       content::WebContents* web_contents,
-                       const LaunchCallback& callback);
-
-  ~EphemeralAppLauncher() override;
-
-  // Creates an install checker. Allows tests to mock the install checker.
-  virtual scoped_ptr<extensions::ExtensionInstallChecker>
-      CreateInstallChecker();
-
-  // WebstoreStandaloneInstaller implementation overridden in tests.
-  scoped_ptr<ExtensionInstallPrompt> CreateInstallUI() override;
-  scoped_ptr<extensions::WebstoreInstaller::Approval> CreateApproval()
-      const override;
-
- private:
-  friend class base::RefCountedThreadSafe<EphemeralAppLauncher>;
-  friend class EphemeralAppLauncherTest;
-
-  // Returns true if an app that is already installed in extension system can
-  // be launched.
-  bool CanLaunchInstalledApp(const extensions::Extension* extension,
-                             extensions::webstore_install::Result* reason,
-                             std::string* error);
-
-  // Initiates the enable flow for an app before it can be launched.
-  void EnableInstalledApp(const extensions::Extension* extension);
-
-  // After the ephemeral installation or enable flow are complete, attempts to
-  // launch the app and notify the client of the outcome.
-  void MaybeLaunchApp();
-
-  // Launches an app. At this point, it is assumed that the app is enabled and
-  // can be launched.
-  void LaunchApp(const extensions::Extension* extension) const;
-
-  // Navigates to the launch URL of a hosted app in a new browser tab.
-  bool LaunchHostedApp(const extensions::Extension* extension) const;
-
-  // Notifies the client of the launch outcome.
-  void InvokeCallback(extensions::webstore_install::Result result,
-                      const std::string& error);
-
-  // Aborts the ephemeral install and notifies the client of the outcome.
-  void AbortLaunch(extensions::webstore_install::Result result,
-                   const std::string& error);
-
-  // Determines whether the app can be installed ephemerally.
-  void CheckEphemeralInstallPermitted();
-
-  // Install checker callback.
-  void OnInstallChecked(int check_failures);
-
-  // WebstoreStandaloneInstaller implementation.
-  void InitInstallData(
-      extensions::ActiveInstallData* install_data) const override;
-  bool CheckRequestorAlive() const override;
-  const GURL& GetRequestorURL() const override;
-  bool ShouldShowPostInstallUI() const override;
-  bool ShouldShowAppInstalledBubble() const override;
-  content::WebContents* GetWebContents() const override;
-  scoped_refptr<ExtensionInstallPrompt::Prompt> CreateInstallPrompt()
-      const override;
-  bool CheckInlineInstallPermitted(const base::DictionaryValue& webstore_data,
-                                   std::string* error) const override;
-  bool CheckRequestorPermitted(const base::DictionaryValue& webstore_data,
-                               std::string* error) const override;
-  void OnManifestParsed() override;
-  void CompleteInstall(extensions::webstore_install::Result result,
-                       const std::string& error) override;
-
-  // content::WebContentsObserver implementation.
-  void WebContentsDestroyed() override;
-
-  // ExtensionEnableFlowDelegate implementation.
-  void ExtensionEnableFlowFinished() override;
-  void ExtensionEnableFlowAborted(bool user_initiated) override;
-
-  LaunchCallback launch_callback_;
-
-  gfx::NativeWindow parent_window_;
-  scoped_ptr<NativeWindowTracker> parent_window_tracker_;
-  scoped_ptr<content::WebContents> dummy_web_contents_;
-
-  scoped_ptr<ExtensionEnableFlow> extension_enable_flow_;
-
-  scoped_ptr<extensions::ExtensionInstallChecker> install_checker_;
-
-  DISALLOW_COPY_AND_ASSIGN(EphemeralAppLauncher);
-};
-
-#endif  // CHROME_BROWSER_APPS_EPHEMERAL_APP_LAUNCHER_H_