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