Revert 101269 - Store plug-in enabled/disabled state in PluginPrefs instead of WebPluginInfo, to ...

webkit/plugins/npapi/plugin_group.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 WEBKIT_PLUGINS_NPAPI_PLUGIN_GROUP_H_
 #define WEBKIT_PLUGINS_NPAPI_PLUGIN_GROUP_H_
 #pragma once
 
+#include <map>
+#include <set>
 #include <string>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/string16.h"
 #include "webkit/plugins/webplugininfo.h"
 
 class FilePath;
 class PluginExceptionsTableModelTest;
@@ skipping 69 matching lines @@
   static const char* kRealPlayerGroupName;
   static const char* kSilverlightGroupName;
   static const char* kWindowsMediaPlayerGroupName;
 
   PluginGroup(const PluginGroup& other);
 
   ~PluginGroup();
 
   PluginGroup& operator=(const PluginGroup& other);
 
+  // Configures the set of plugin name patterns for enabling and disabling
+  // plugins via enterprise configuration management.
+  static void SetPolicyEnforcedPluginPatterns(
+      const std::set<string16>& plugins_disabled,
+      const std::set<string16>& plugins_disabled_exceptions,
+      const std::set<string16>& plugins_enabled);
+
+  // Tests whether |plugin_name| is disabled by policy.
+  static bool IsPluginNameDisabledByPolicy(const string16& plugin_name);
+
+  // Tests whether |plugin_name| within the plugin group |group_name| is
+  // disabled by policy.
+  static bool IsPluginFileNameDisabledByPolicy(const string16& plugin_name,
+                                               const string16& group_name);
+
+  // Tests whether |plugin_name| is enabled by policy.
+  static bool IsPluginNameEnabledByPolicy(const string16& plugin_name);
+
   // Returns true if the given plugin matches this group.
   bool Match(const webkit::WebPluginInfo& plugin) const;
 
   // Adds the given plugin to this group.
   void AddPlugin(const webkit::WebPluginInfo& plugin);
 
   // Removes a plugin from the group by its path.
   bool RemovePlugin(const FilePath& filename);
 
+  // The two following functions enable/disable a plugin given its filename. The
+  // function returns true if the plugin could be enabled/disabled. Plugins
+  // might not get enabled/disabled if they are controlled by policy or are
+  // already in the wanted state.
+  bool EnablePlugin(const FilePath& filename);
+  bool DisablePlugin(const FilePath& filename);
+
+  // Enables/disables this group. This enables/disables all plugins in the
+  // group.
+  bool EnableGroup(bool enable);
+
+  // Checks whether the group should be disabled/enabled by a policy and puts
+  // it in the needed state. Updates all contained plugins too.
+  void EnforceGroupPolicy();
+
+  // Returns whether the plugin group is enabled or not.
+  bool Enabled() const { return enabled_; }
+
   // Returns a unique identifier for this group, if one is defined, or the empty
   // string otherwise.
   const std::string& identifier() const { return identifier_; }
 
   // Sets a unique identifier for this group or if none is set an empty string.
   void set_identifier(const std::string& identifier) {
     identifier_ = identifier;
   }
 
   // Returns this group's name, or the filename without extension if the name
   // is empty.
   string16 GetGroupName() const;
 
+  // Returns all plugins added to the group.
+  const std::vector<webkit::WebPluginInfo>& web_plugins_info() const {
+    return web_plugin_infos_;
+  }
+
   // Checks whether a plugin exists in the group with the given path.
   bool ContainsPlugin(const FilePath& path) const;
 
+  // Returns the description of the highest-priority plug-in in the group.
+  const string16& description() const { return description_; }
+
+  // Returns a DictionaryValue with data to display in the UI.
+  base::DictionaryValue* GetDataForUI() const;
+
+  // Returns a DictionaryValue with data to save in the preferences.
+  base::DictionaryValue* GetSummary() const;
+
   // Returns the update URL.
   std::string GetUpdateURL() const { return update_url_; }
 
   // Returns true if this plugin group is whitelisted.
   bool IsWhitelisted() const;
 
-  // Returns true if |plugin| in this group has known security problems.
-  bool IsVulnerable(const WebPluginInfo& plugin) const;
+  // Returns true if the highest-priority plugin in this group has known
+  // security problems.
+  bool IsVulnerable() const;
 
-  // Returns true if |plugin| in this plug-in group always requires user
-  // authorization to run.
-  bool RequiresAuthorization(const WebPluginInfo& plugin) const;
+  // Returns true if this plug-in group always requires user authorization
+  // to run.
+  bool RequiresAuthorization() const;
 
   // Check if the group has no plugins. Could happen after a reload if the plug-
   // in has disappeared from the pc (or in the process of updating).
   bool IsEmpty() const;
 
   // Parse a version string as used by a plug-in. This method is more lenient
   // in accepting weird version strings than Version::GetFromString().
   static Version* CreateVersionFromString(const string16& version_string);
 
-  const std::vector<webkit::WebPluginInfo>& web_plugin_infos() const {
+  std::vector<webkit::WebPluginInfo> web_plugin_infos() {
     return web_plugin_infos_;
   }
 
  private:
   friend class PluginList;
   friend class MockPluginList;
   friend class PluginGroupTest;
   friend class ::PluginExceptionsTableModelTest;
   FRIEND_TEST_ALL_PREFIXES(PluginListTest, DisableOutdated);
 
@@ skipping 22 matching lines @@
   static bool IsPluginOutdated(const Version& plugin_version,
                                const VersionRange& version_range);
 
   PluginGroup(const string16& group_name,
               const string16& name_matcher,
               const std::string& update_url,
               const std::string& identifier);
 
   void InitFrom(const PluginGroup& other);
 
+  // Set the description and version for this plugin group from the
+  // given plug-in.
+  void UpdateDescriptionAndVersion(const webkit::WebPluginInfo& plugin);
+
+  // Updates the active plugin in the group. The active plugin is the first
+  // enabled one, or if all plugins are disabled, simply the first one.
+  void UpdateActivePlugin(const webkit::WebPluginInfo& plugin);
+
+  // Resets the group state to its default value (as if the group was empty).
+  // After calling this method, calling |UpdateActivePlugin| with all plugins
+  // in a row will correctly set the group state.
+  void ResetGroupState();
+
+  // Enables the plugin if not already enabled and if policy allows it to.
+  // Returns true on success. Does not update the group state.
+  static bool Enable(webkit::WebPluginInfo* plugin, int reason);
+
+  // Disables the plugin if not already disabled and if policy allows it to.
+  // Returns true on success. Does not update the group state.
+  static bool Disable(webkit::WebPluginInfo* plugin, int reason);
+
+  // Helper function to implement the functions above.
+  static bool SetPluginState(webkit::WebPluginInfo* plugin,
+                             int new_reason,
+                             bool state_changes);
+
   // Returns a non-const vector of all plugins in the group. This is only used
   // by PluginList.
   std::vector<webkit::WebPluginInfo>& GetPluginsContainer() {
     return web_plugin_infos_;
   }
 
+  // Checks if |name| matches any of the patterns in |pattern_set|.
+  static bool IsStringMatchedInSet(const string16& name,
+                                   const std::set<string16>* pattern_set);
+
+  static std::set<string16>* policy_disabled_plugin_patterns_;
+  static std::set<string16>* policy_disabled_plugin_exception_patterns_;
+  static std::set<string16>* policy_enabled_plugin_patterns_;
+
   std::string identifier_;
   string16 group_name_;
   string16 name_matcher_;
+  string16 description_;
   std::string update_url_;
+  bool enabled_;
   std::vector<VersionRange> version_ranges_;
+  scoped_ptr<Version> version_;
   std::vector<webkit::WebPluginInfo> web_plugin_infos_;
 };
 
 }  // namespace npapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_NPAPI_PLUGIN_GROUP_H_