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      1 // Copyright (c) 2012 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_EXTENSIONS_WEBSTORE_INLINE_INSTALLER_H_
      6 #define CHROME_BROWSER_EXTENSIONS_WEBSTORE_INLINE_INSTALLER_H_
      7 
      8 #include <string>
      9 
     10 #include "base/memory/ref_counted.h"
     11 #include "content/public/browser/web_contents_observer.h"
     12 #include "webstore_standalone_installer.h"
     13 
     14 namespace content {
     15 class WebContents;
     16 }
     17 
     18 namespace extensions {
     19 
     20 // Manages inline installs requested by a page: downloads and parses metadata
     21 // from the webstore, shows the install UI, starts the download once the user
     22 // confirms, optionally transfers the user to the store if the "View details"
     23 // link is clicked in the UI, shows the "App installed" bubble and the
     24 // post-install UI after successful installation.
     25 //
     26 // Clients will be notified of success or failure via the |callback| argument
     27 // passed into the constructor.
     28 class WebstoreInlineInstaller
     29     : public WebstoreStandaloneInstaller,
     30       public content::WebContentsObserver {
     31  public:
     32   typedef WebstoreStandaloneInstaller::Callback Callback;
     33 
     34   WebstoreInlineInstaller(content::WebContents* web_contents,
     35                           const std::string& webstore_item_id,
     36                           const GURL& requestor_url,
     37                           const Callback& callback);
     38 
     39  protected:
     40   friend class base::RefCountedThreadSafe<WebstoreInlineInstaller>;
     41 
     42   virtual ~WebstoreInlineInstaller();
     43 
     44   // Implementations WebstoreStandaloneInstaller Template Method's hooks.
     45   virtual bool CheckRequestorAlive() const OVERRIDE;
     46   virtual const GURL& GetRequestorURL() const OVERRIDE;
     47   virtual bool ShouldShowPostInstallUI() const OVERRIDE;
     48   virtual bool ShouldShowAppInstalledBubble() const OVERRIDE;
     49   virtual content::WebContents* GetWebContents() const OVERRIDE;
     50   virtual scoped_ptr<ExtensionInstallPrompt::Prompt>
     51       CreateInstallPrompt() const OVERRIDE;
     52   virtual bool CheckInlineInstallPermitted(
     53       const base::DictionaryValue& webstore_data,
     54       std::string* error) const OVERRIDE;
     55   virtual bool CheckRequestorPermitted(
     56       const base::DictionaryValue& webstore_data,
     57       std::string* error) const OVERRIDE;
     58 
     59  private:
     60   // content::WebContentsObserver interface implementation.
     61   virtual void WebContentsDestroyed(
     62       content::WebContents* web_contents) OVERRIDE;
     63 
     64   // Checks whether the install is initiated by a page in a verified site
     65   // (which is at least a domain, but can also have a port or a path).
     66   static bool IsRequestorURLInVerifiedSite(const GURL& requestor_url,
     67                                            const std::string& verified_site);
     68 
     69   GURL requestor_url_;
     70 
     71   DISALLOW_IMPLICIT_CONSTRUCTORS(WebstoreInlineInstaller);
     72 };
     73 
     74 }  // namespace extensions
     75 
     76 #endif  // CHROME_BROWSER_EXTENSIONS_WEBSTORE_INLINE_INSTALLER_H_
     77