Factor out PluginGroup into a separate class in common/.

Moving PluginGroup into common is necessary in order to enable the renderer process to check if a plugin is outdated.

Also, make PluginUpdater static since it doesn't contain any state anymore.

BUG=47731
TEST=PluginGroupTest.*

Review URL: http://codereview.chromium.org/2955005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@52307 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 115 insertions, 0 deletions

diff --git a/chrome/common/plugin_group.h b/chrome/common/plugin_group.h
new file mode 100644
index 0000000..dba66ae
--- /dev/null
+++ b/chrome/common/plugin_group.h
@@ -0,0 +1,115 @@
+// Copyright (c) 2010 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_COMMON_PLUGIN_GROUP_H_
+#define CHROME_COMMON_PLUGIN_GROUP_H_
+
+#include <vector>
+
+#include "base/linked_ptr.h"
+#include "base/scoped_ptr.h"
+#include "base/string16.h"
+#include "base/version.h"
+#include "webkit/glue/plugins/webplugininfo.h"
+
+class DictionaryValue;
+
+// Hard-coded definitions of plugin groups.
+struct PluginGroupDefinition {
+  const char* name;  // Name of this group.
+  const char* name_matcher;  // Substring matcher for the plugin name.
+  const char* version_matcher_low;  // Matchers for the plugin version.
+  const char* version_matcher_high;
+  const char* min_version;  // Minimum secure version.
+  const char* update_url;  // Location of latest secure version.
+};
+
+
+// A PluginGroup contains at least one WebPluginInfo.
+// In addition, it knows if the plugin is critically vulnerable.
+class PluginGroup {
+ public:
+  // Creates a PluginGroup from a PluginGroupDefinition.
+  static PluginGroup* FromPluginGroupDefinition(
+      const PluginGroupDefinition& definition);
+
+  // Creates a PluginGroup from a WebPluginInfo -- when no hard-coded
+  // definition is found.
+  static PluginGroup* FromWebPluginInfo(const WebPluginInfo& wpi);
+
+  // Find a plugin group matching |info| in the list of hardcoded plugins.
+  static PluginGroup* FindHardcodedPluginGroup(const WebPluginInfo& info);
+
+  // Find the PluginGroup matching a Plugin in a list of plugin groups. Returns
+  // NULL if no matching PluginGroup is found.
+  static PluginGroup* FindGroupMatchingPlugin(
+      std::vector<linked_ptr<PluginGroup> >& plugin_groups,
+      const WebPluginInfo& plugin);
+
+  // Creates a copy of this plugin group.
+  PluginGroup* Copy() {
+    return new PluginGroup(group_name_, name_matcher_, version_range_low_str_,
+                           version_range_high_str_, min_version_str_,
+                           update_url_);
+  }
+
+  // Returns true if the given plugin matches this group.
+  bool Match(const WebPluginInfo& plugin) const;
+
+  // Adds the given plugin to this group. Provide the position of the
+  // plugin as given by PluginList so we can display its priority.
+  void AddPlugin(const WebPluginInfo& plugin, int position);
+
+  // Enables/disables this group. This enables/disables all plugins in the
+  // group.
+  void Enable(bool enable);
+
+  // Returns this group's name
+  const string16 GetGroupName() const { return group_name_; }
+
+  // Returns a DictionaryValue with data to display in the UI.
+  DictionaryValue* GetDataForUI() const;
+
+  // Returns a DictionaryValue with data to save in the preferences.
+  DictionaryValue* GetSummary() const;
+
+  // Returns the update URL.
+  std::string GetUpdateURL() const { return update_url_; }
+
+  // Returns true if the latest plugin in this group has known
+  // security problems.
+  bool IsVulnerable() const;
+
+ private:
+  FRIEND_TEST_ALL_PREFIXES(PluginGroupTest, PluginGroupDefinition);
+
+  static const PluginGroupDefinition* GetPluginGroupDefinitions();
+  static size_t GetPluginGroupDefinitionsSize();
+
+  PluginGroup(const string16& group_name,
+              const string16& name_matcher,
+              const std::string& version_range_low,
+              const std::string& version_range_high,
+              const std::string& min_version,
+              const std::string& update_url);
+
+  string16 group_name_;
+  string16 name_matcher_;
+  std::string version_range_low_str_;
+  std::string version_range_high_str_;
+  scoped_ptr<Version> version_range_low_;
+  scoped_ptr<Version> version_range_high_;
+  string16 description_;
+  std::string update_url_;
+  bool enabled_;
+  std::string min_version_str_;
+  scoped_ptr<Version> min_version_;
+  scoped_ptr<Version> max_version_;
+  std::vector<WebPluginInfo> web_plugin_infos_;
+  std::vector<int> web_plugin_positions_;
+
+  DISALLOW_COPY_AND_ASSIGN(PluginGroup);
+};
+
+#endif  // CHROME_COMMON_PLUGIN_GROUP_H_