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chrome/browser/plugin_installer.h

 // Copyright (c) 2011 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_PLUGIN_INSTALLER_H_
 #define CHROME_BROWSER_PLUGIN_INSTALLER_H_
 #pragma once
 
+#include "base/observer_list.h"
 #include "base/string16.h"
 #include "googleurl/src/gurl.h"
 
+#if defined(OS_WINDOWS)
+#include "base/win/process_monitor.h"
+#endif
+
+class FilePath;
+class PluginInstallerObserver;
+
+namespace net {
+class URLRequestContextGetter;
+}
+
 class PluginInstaller {
  public:
+  enum State {
+    kStateIdle,
+    kStateDownloading,
+    kStateInstalling,
+  };
+
   PluginInstaller(const std::string& identifier,
                   const GURL& plugin_url,
                   const GURL& help_url,
                   const string16& name,
                   bool url_for_display);
   ~PluginInstaller();
 
+  State state() { return state_; }
+
+  void AddObserver(PluginInstallerObserver* observer);
+  void RemoveObserver(PluginInstallerObserver* observer);
+
   // Unique identifier for the plug-in. Should be kept in sync with the
   // identifier in plugin_list.cc.
   const std::string& identifier() const { return identifier_; }
 
   // Human-readable name of the plug-in.
   const string16& name() const { return name_; }
 
   // If |url_for_display| is false, |plugin_url| is the URL of the download page
   // for the plug-in, which should be opened in a new tab. If it is true,
   // |plugin_url| is the URL of the plug-in installer binary, which can be
   // directly downloaded.
   bool url_for_display() const { return url_for_display_; }
   const GURL& plugin_url() const { return plugin_url_; }
 
   // URL to open when the user clicks on the "Problems installing?" link.
   const GURL& help_url() const { return help_url_; }
 
+  void StartInstalling(net::URLRequestContextGetter* request_context);
+
  private:
+  void DidFinishDownload(const FilePath& downloaded_file);
+  void DidFinishInstallation();
+
+  State state_;
+  ObserverList<PluginInstallerObserver> observers_;
+
+#if defined(OS_WINDOWS)
+  base::win::ProcessMonitor installation_process_monitor_;
+#endif
+
   std::string identifier_;
   GURL plugin_url_;
   GURL help_url_;
   string16 name_;
   bool url_for_display_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginInstaller);
 };
 
 #endif  // CHROME_BROWSER_PLUGIN_INSTALLER_H_