chrome/browser/apps/ephemeral_app_launcher.h

   1 // Copyright 2013 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 #ifndef CHROME_BROWSER_APPS_EPHEMERAL_APP_LAUNCHER_H_
   6 #define CHROME_BROWSER_APPS_EPHEMERAL_APP_LAUNCHER_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "chrome/browser/extensions/webstore_standalone_installer.h"
  12 #include "chrome/browser/ui/extensions/extension_enable_flow_delegate.h"
  13 #include "content/public/browser/notification_observer.h"
  14 #include "content/public/browser/web_contents_observer.h"
  15
  16 class ExtensionEnableFlow;
  17 class Profile;
  18
  19 namespace content {
  20 class WebContents;
  21 }
  22
  23 namespace extensions {
  24 class Extension;
  25 }
  26
  27 // EphemeralAppLauncher manages the launching of ephemeral apps. It handles
  28 // display of a prompt, initiates install of the app (if necessary) and finally
  29 // launches the app.
  30 class EphemeralAppLauncher
  31     : public extensions::WebstoreStandaloneInstaller,
  32       public content::WebContentsObserver,
  33       public content::NotificationObserver,
  34       public ExtensionEnableFlowDelegate {
  35  public:
  36   typedef WebstoreStandaloneInstaller::Callback Callback;
  37
  38   // Create for the app launcher.
  39   static scoped_refptr<EphemeralAppLauncher> CreateForLauncher(
  40       const std::string& webstore_item_id,
  41       Profile* profile,
  42       gfx::NativeWindow parent_window,
  43       const Callback& callback);
  44
  45   // Create for a link within a browser tab.
  46   static scoped_refptr<EphemeralAppLauncher> CreateForLink(
  47       const std::string& webstore_item_id,
  48       content::WebContents* web_contents);
  49
  50   // Initiate app launch.
  51   void Start();
  52
  53  private:
  54   friend class base::RefCountedThreadSafe<EphemeralAppLauncher>;
  55
  56   EphemeralAppLauncher(const std::string& webstore_item_id,
  57                        Profile* profile,
  58                        gfx::NativeWindow parent_window,
  59                        const Callback& callback);
  60   EphemeralAppLauncher(const std::string& webstore_item_id,
  61                        content::WebContents* web_contents,
  62                        const Callback& callback);
  63
  64   virtual ~EphemeralAppLauncher();
  65
  66   void StartObserving();
  67   void LaunchApp(const extensions::Extension* extension) const;
  68
  69   // WebstoreStandaloneInstaller implementation.
  70   virtual bool CheckRequestorAlive() const OVERRIDE;
  71   virtual const GURL& GetRequestorURL() const OVERRIDE;
  72   virtual bool ShouldShowPostInstallUI() const OVERRIDE;
  73   virtual bool ShouldShowAppInstalledBubble() const OVERRIDE;
  74   virtual content::WebContents* GetWebContents() const OVERRIDE;
  75   virtual scoped_ptr<ExtensionInstallPrompt::Prompt>
  76       CreateInstallPrompt() const OVERRIDE;
  77   virtual bool CheckInlineInstallPermitted(
  78       const base::DictionaryValue& webstore_data,
  79       std::string* error) const OVERRIDE;
  80   virtual bool CheckRequestorPermitted(
  81       const base::DictionaryValue& webstore_data,
  82       std::string* error) const OVERRIDE;
  83   virtual bool CheckInstallValid(
  84       const base::DictionaryValue& manifest,
  85       std::string* error) OVERRIDE;
  86   virtual scoped_ptr<ExtensionInstallPrompt> CreateInstallUI() OVERRIDE;
  87   virtual scoped_ptr<extensions::WebstoreInstaller::Approval>
  88       CreateApproval() const OVERRIDE;
  89   virtual void CompleteInstall(const std::string& error) OVERRIDE;
  90
  91   // content::WebContentsObserver implementation.
  92   virtual void WebContentsDestroyed(
  93       content::WebContents* web_contents) OVERRIDE;
  94
  95   // content::NotificationObserver implementation.
  96   virtual void Observe(int type,
  97                        const content::NotificationSource& source,
  98                        const content::NotificationDetails& details) OVERRIDE;
  99
 100   // ExtensionEnableFlowDelegate implementation.
 101   virtual void ExtensionEnableFlowFinished() OVERRIDE;
 102   virtual void ExtensionEnableFlowAborted(bool user_initiated) OVERRIDE;
 103
 104   content::NotificationRegistrar registrar_;
 105
 106   gfx::NativeWindow parent_window_;
 107   scoped_ptr<content::WebContents> dummy_web_contents_;
 108
 109   // Created in CheckInstallValid().
 110   scoped_refptr<extensions::Extension> extension_;
 111
 112   scoped_ptr<ExtensionEnableFlow> extension_enable_flow_;
 113
 114   DISALLOW_COPY_AND_ASSIGN(EphemeralAppLauncher);
 115 };
 116
 117 #endif  // CHROME_BROWSER_APPS_EPHEMERAL_APP_LAUNCHER_H_