Separate plugin_metadata from plugin_installer, thread-safe plugin_finder

chrome/browser/plugins/plugin_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_PLUGINS_PLUGIN_INSTALLER_H_
 #define CHROME_BROWSER_PLUGINS_PLUGIN_INSTALLER_H_
 
 #include "base/observer_list.h"
 #include "base/string16.h"
 #include "base/version.h"
-#include "googleurl/src/gurl.h"
+#include "chrome/browser/plugins/plugin_metadata.h"
 #include "content/public/browser/download_id.h"
 #include "content/public/browser/download_item.h"
+#include "googleurl/src/gurl.h"
 #include "net/base/net_errors.h"
 
 class FilePath;
 class PluginInstallerObserver;
 class TabContents;
 class WeakPluginInstallerObserver;
 
 namespace content {
 class WebContents;
 }
 
 namespace webkit {
 struct WebPluginInfo;
 }
 
 class PluginInstaller : public content::DownloadItem::Observer {
  public:
   enum InstallerState {
     INSTALLER_STATE_IDLE,
     INSTALLER_STATE_DOWNLOADING,
   };
 
-  // Information about a certain version of the plug-in.
-  enum SecurityStatus {
-    SECURITY_STATUS_UP_TO_DATE,
-    SECURITY_STATUS_OUT_OF_DATE,
-    SECURITY_STATUS_REQUIRES_AUTHORIZATION,
-  };
-
-  PluginInstaller(const std::string& identifier,
-                  const string16& name,
-                  bool url_for_display,
-                  const GURL& plugin_url,
-                  const GURL& help_url,
-                  const string16& group_name_matcher);
+  explicit PluginInstaller(PluginMetadata* plugin);
   virtual ~PluginInstaller();
 
   virtual void OnDownloadUpdated(content::DownloadItem* download) OVERRIDE;
   virtual void OnDownloadDestroyed(content::DownloadItem* download) OVERRIDE;
 
   void AddObserver(PluginInstallerObserver* observer);
   void RemoveObserver(PluginInstallerObserver* observer);
 
   void AddWeakObserver(WeakPluginInstallerObserver* observer);
   void RemoveWeakObserver(WeakPluginInstallerObserver* observer);
 
   // Unique identifier for the plug-in.
-  const std::string& identifier() const { return identifier_; }
+  const std::string& identifier() const { return plugin_->identifier(); }
 
   // Human-readable name of the plug-in.
-  const string16& name() const { return name_; }
-
-  // Checks if the plug-in matches the group matcher.
-  bool MatchesPlugin(const webkit::WebPluginInfo& plugin);
+  const string16& name() const { return plugin_->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_; }
+  bool url_for_display() const { return plugin_->url_for_display(); }
+  const GURL& plugin_url() const { return plugin_->plugin_url(); }
 
   // URL to open when the user clicks on the "Problems installing?" link.
-  const GURL& help_url() const { return help_url_; }
+  const GURL& help_url() const { return plugin_->help_url(); }
 
   InstallerState state() const { return state_; }
 
-  // Adds information about a plug-in version.
-  void AddVersion(const Version& version, SecurityStatus status);
-
-  // Returns the security status for the given plug-in (i.e. whether it is
-  // considered out-of-date, etc.)
-  SecurityStatus GetSecurityStatus(const webkit::WebPluginInfo& plugin) const;
-
   // Opens the download URL in a new tab. This method should only be called if
   // |url_for_display| returns true.
   void OpenDownloadURL(content::WebContents* web_contents);
 
   // Starts downloading the download URL and opens the downloaded file
   // when finished. This method should only be called if |url_for_display|
   // returns false.
   void StartInstalling(TabContents* tab_contents);
 
-  // If |status_str| describes a valid security status, writes it to |status|
-  // and returns true, else returns false and leaves |status| unchanged.
-  static bool ParseSecurityStatus(const std::string& status_str,
-                                  SecurityStatus* status);
-
  private:
-  struct VersionComparator {
-    bool operator() (const Version& lhs, const Version& rhs) const;
-  };
-
   void DownloadStarted(scoped_refptr<content::DownloadManager> dlm,
                        content::DownloadId download_id,
                        net::Error error);
   void DownloadError(const std::string& msg);
   void DownloadCancelled();
 
-  std::string identifier_;
-  string16 name_;
-  string16 group_name_matcher_;
-  bool url_for_display_;
-  GURL plugin_url_;
-  GURL help_url_;
-  std::map<Version, SecurityStatus, VersionComparator> versions_;
+  // Can't be NULL. It is owned by PluginFinder.
+  PluginMetadata* plugin_;
 
   InstallerState state_;
   ObserverList<PluginInstallerObserver> observers_;
   ObserverList<WeakPluginInstallerObserver> weak_observers_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginInstaller);
 };
 
 #endif  // CHROME_BROWSER_PLUGINS_PLUGIN_INSTALLER_H_