Support an --install-from-webstore command line switch

chrome/browser/extensions/webstore_inline_installer.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_EXTENSIONS_WEBSTORE_INLINE_INSTALLER_H_
 #define CHROME_BROWSER_EXTENSIONS_WEBSTORE_INLINE_INSTALLER_H_
 
 #include <string>
 
+#include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_install_prompt.h"
 #include "chrome/browser/extensions/webstore_install_helper.h"
 #include "chrome/browser/extensions/webstore_installer.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "googleurl/src/gurl.h"
 #include "net/url_request/url_fetcher_delegate.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
 
 namespace net {
 class URLFetcher;
 }
 
 namespace extensions {
 class Extension;
 class SafeWebstoreResponseParser;
 
+// TODO(asargent) - rename this class to something like
+// WebstoreStandaloneInstaller.
+//
 // Manages inline installs requested by a page (downloads and parses metadata
 // from the webstore, shows the install UI, starts the download once the user
 // confirms).  Clients must implement the WebstoreInlineInstaller::Delegate
 // interface to be notified when the inline install completes (successfully or
 // not). The client will not be notified if the WebContents that this install
 // request is attached to goes away.
 class WebstoreInlineInstaller
     : public base::RefCountedThreadSafe<WebstoreInlineInstaller>,
       public ExtensionInstallPrompt::Delegate,
       public content::WebContentsObserver,
       public net::URLFetcherDelegate,
       public WebstoreInstaller::Delegate,
       public WebstoreInstallHelper::Delegate {
  public:
-  class Delegate {
-   public:
-    virtual void OnInlineInstallSuccess(int install_id,
-                                        int return_route_id) = 0;
-    virtual void OnInlineInstallFailure(int install_id,
-                                        int return_route_id,
-                                        const std::string& error) = 0;
+  enum VerifiedSiteRequired {
+    REQUIRE_VERIFIED_SITE,
+    DO_NOT_REQUIRE_VERIFIED_SITE
   };
 
+  // A callback for when the install process completes successfully or not. If
+  // there was a failure, |success| will be false and |error| may contain a
+  // developer-readable error message about why it failed.
+  typedef base::Callback<void(bool success, const std::string& error)> Callback;
+
   WebstoreInlineInstaller(content::WebContents* web_contents,
-                          int install_id,
-                          int return_route_id,
                           std::string webstore_item_id,
+                          VerifiedSiteRequired require_verified_site,
                           GURL requestor_url,
-                          Delegate* d);
+                          Callback callback);
+
+  void set_skip_post_install_ui(bool skip) { skip_post_install_ui_ = skip; }
+
   void BeginInstall();
 
  private:
   friend class base::RefCountedThreadSafe<WebstoreInlineInstaller>;
   friend class SafeWebstoreResponseParser;
   FRIEND_TEST_ALL_PREFIXES(WebstoreInlineInstallerTest, DomainVerification);
 
   virtual ~WebstoreInlineInstaller();
 
   // Several delegate/client inteface implementations follow. The normal flow
@@ skipping 39 matching lines @@
   virtual void OnExtensionInstallFailure(const std::string& id,
                                          const std::string& error) OVERRIDE;
 
   void CompleteInstall(const std::string& error);
 
   // Checks whether the install is initiated by a page in the verified site
   // (which is at least a domain, but can also have a port or a path).
   static bool IsRequestorURLInVerifiedSite(const GURL& requestor_url,
                                            const std::string& verified_site);
 
-  int install_id_;
-  int return_route_id_;
   std::string id_;
+  bool require_verified_site_;
   GURL requestor_url_;
-  Delegate* delegate_;
+  Callback callback_;
   scoped_ptr<ExtensionInstallPrompt> install_ui_;
+  bool skip_post_install_ui_;
 
   // For fetching webstore JSON data.
   scoped_ptr<net::URLFetcher> webstore_data_url_fetcher_;
 
   // Extracted from the webstore JSON data response.
   std::string localized_name_;
   std::string localized_description_;
   std::string localized_user_count_;
   double average_rating_;
   int rating_count_;
   scoped_ptr<DictionaryValue> webstore_data_;
   scoped_ptr<DictionaryValue> manifest_;
   scoped_refptr<Extension> dummy_extension_;
   SkBitmap icon_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(WebstoreInlineInstaller);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_WEBSTORE_INLINE_INSTALLER_H_