[Web Intents] Inline installation of extensions in web intents picker.

chrome/browser/ui/intents/web_intent_picker_controller.h

 // Copyright (c) 2012 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_UI_INTENTS_WEB_INTENT_PICKER_CONTROLLER_H_
 #define CHROME_BROWSER_UI_INTENTS_WEB_INTENT_PICKER_CONTROLLER_H_
 #pragma once
 
 #include <vector>
 
 #include "base/compiler_specific.h"
+#include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/string16.h"
+#include "chrome/browser/extensions/webstore_installer.h"
 #include "chrome/browser/favicon/favicon_service.h"
 #include "chrome/browser/intents/web_intents_registry.h"
 #include "chrome/browser/intents/cws_intents_registry.h"
 #include "chrome/browser/ui/intents/web_intent_picker_delegate.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "webkit/glue/web_intent_data.h"
 #include "webkit/glue/web_intent_reply_data.h"
 
 class Browser;
 struct DefaultWebIntentService;
 class GURL;
 class TabContentsWrapper;
 class WebIntentPicker;
 class WebIntentPickerModel;
+class WebstoreInstaller;
 
 namespace content {
 class WebContents;
 class WebIntentsDispatcher;
 }
 
 namespace webkit_glue {
 struct WebIntentServiceData;
 }
 
 // Controls the creation of the WebIntentPicker UI and forwards the user's
 // intent handler choice back to the TabContents object.
 class WebIntentPickerController : public content::NotificationObserver,
                                   public WebIntentPickerDelegate,
-                                  public WebIntentsRegistry::Consumer {
+                                  public WebstoreInstaller::Delegate {
  public:
   // Takes ownership of |factory|.
   explicit WebIntentPickerController(TabContentsWrapper* wrapper);
   virtual ~WebIntentPickerController();
 
   // Sets the intent data and return pathway handler object for which
   // this picker was created. The picker takes ownership of
   // |intents_dispatcher|. |intents_dispatcher| must not be NULL.
   void SetIntentsDispatcher(content::WebIntentsDispatcher* intents_dispatcher);
 
   // Shows the web intent picker for |browser|, given the intent
   // |action| and MIME-type |type|.
   void ShowDialog(Browser* browser,
                   const string16& action,
                   const string16& type);
 
  protected:
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // WebIntentPickerDelegate implementation.
   virtual void OnServiceChosen(const GURL& url,
                                Disposition disposition) OVERRIDE;
   virtual void OnInlineDispositionWebContentsCreated(
       content::WebContents* web_contents) OVERRIDE;
+  virtual void OnExtensionInstallRequested(const std::string& id) OVERRIDE;
   virtual void OnCancelled() OVERRIDE;
   virtual void OnClosing() OVERRIDE;
 
+  // WebstoreInstaller::Delegate implementation.
+  virtual void OnExtensionInstallSuccess(const std::string& id) OVERRIDE;
+  virtual void OnExtensionInstallFailure(const std::string& id,
+                                         const std::string& error) OVERRIDE;
+
  private:
   friend class WebIntentPickerControllerTest;
   friend class WebIntentPickerControllerBrowserTest;
   friend class InvokingTabObserver;
 
   // Gets a notification when the return message is sent to the source tab,
   // so we can close the picker dialog or service tab.
   void OnSendReturnMessage(webkit_glue::WebIntentReplyType reply_type);
 
   // Exposed for tests only.
   void set_picker(WebIntentPicker* picker) { picker_ = picker; }
 
   // Exposed for tests only.
   void set_model_observer(WebIntentPickerModelObserver* observer) {
     picker_model_->set_observer(observer);
   }
 
   // Called when WebIntentServiceData is returned from the WebIntentsRegistry.
-  virtual void OnIntentsQueryDone(
-      WebIntentsRegistry::QueryID,
-      const std::vector<webkit_glue::WebIntentServiceData>& services) OVERRIDE;
-
-  // Called when the WebIntentsRegistry returns responses to a defaults request.
-  virtual void OnIntentsDefaultsQueryDone(
-      WebIntentsRegistry::QueryID,
-      const DefaultWebIntentService& default_service) OVERRIDE;
+  void OnWebIntentServicesAvailable(
+      const std::vector<webkit_glue::WebIntentServiceData>& services);
 
   // Called when FaviconData is returned from the FaviconService.
   void OnFaviconDataAvailable(FaviconService::Handle handle,
                               history::FaviconData favicon_data);
 
   // Called when IntentExtensionInfo is returned from the CWSIntentsRegistry.
   void OnCWSIntentServicesAvailable(
       const CWSIntentsRegistry::IntentExtensionList& extensions);
 
   // Called when a suggested extension's icon is fetched.
   void OnExtensionIconURLFetchComplete(const string16& extension_id,
                                        const content::URLFetcher* source);
 
   typedef base::Callback<void(const gfx::Image&)>
       ExtensionIconAvailableCallback;
   // Called on a worker thread to decode and resize the extension's icon.
   static void DecodeExtensionIconAndResize(
       scoped_ptr<std::string> icon_response,
       const ExtensionIconAvailableCallback& callback,
       const base::Closure& unavailable_callback);
 
   // Called when an extension's icon is successfully decoded and resized.
   void OnExtensionIconAvailable(const string16& extension_id,
                                 const gfx::Image& icon_image);
 
   // Called when an extension's icon failed to be decoded or resized.
   void OnExtensionIconUnavailable(const string16& extension_id);
 
+  // When an extension is installed, all that is known is the extension id.
+  // This callback receives the intent service data for that extension.
+  // |services| must be a non-empty list.
+  void OnExtensionInstallServiceAvailable(
+      const std::vector<webkit_glue::WebIntentServiceData>& services);
+
   // Decrements the |pending_async_count_| and notifies the picker if it
   // reaches zero.
   void AsyncOperationFinished();
 
   // Closes the currently active picker.
   void ClosePicker();
 
   // A weak pointer to the tab contents that the picker is displayed on.
   TabContentsWrapper* wrapper_;
 
@@ skipping 21 matching lines @@
   // client page.
   content::WebIntentsDispatcher* intents_dispatcher_;
 
   // Weak pointer to the tab servicing the intent. Remembered in order to
   // close it when a reply is sent.
   content::WebContents* service_tab_;
 
   // Request consumer used when asynchronously loading favicons.
   CancelableRequestConsumerTSimple<size_t> favicon_consumer_;
 
+  // Used to install extensions from the Chrome Web Store.
+  scoped_refptr<WebstoreInstaller> webstore_installer_;
+
   base::WeakPtrFactory<WebIntentPickerController> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebIntentPickerController);
 };
 
 #endif  // CHROME_BROWSER_UI_INTENTS_WEB_INTENT_PICKER_CONTROLLER_H_