Implement chrome://plugins page that can disable plugins.

chrome/browser/plugin_service.cc

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// 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.
 
 #include "build/build_config.h"
 
 #include "chrome/browser/plugin_service.h"
 
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
 #include "base/thread.h"
+#include "base/values.h"
 #include "base/waitable_event.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_plugin_host.h"
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/extensions/extensions_service.h"
 #include "chrome/browser/plugin_process_host.h"
+#include "chrome/browser/pref_service.h"
+#include "chrome/browser/profile.h"
 #include "chrome/browser/renderer_host/render_process_host.h"
 #include "chrome/common/chrome_plugin_lib.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/gpu_plugin.h"
 #include "chrome/common/logging_chrome.h"
 #include "chrome/common/notification_type.h"
 #include "chrome/common/notification_service.h"
+#include "chrome/common/pref_names.h"
 #include "chrome/common/render_messages.h"
 #ifndef DISABLE_NACL
 #include "native_client/src/trusted/plugin/nacl_entry_points.h"
 #endif
 #include "webkit/glue/plugins/plugin_constants_win.h"
 #include "webkit/glue/plugins/plugin_list.h"
 
 #if defined(OS_MACOSX)
 static void NotifyPluginsOfActivation() {
   DCHECK(ChromeThread::CurrentlyOn(ChromeThread::IO));
 
   for (ChildProcessHost::Iterator iter(ChildProcessInfo::PLUGIN_PROCESS);
        !iter.Done(); ++iter) {
     PluginProcessHost* plugin = static_cast<PluginProcessHost*>(*iter);
     plugin->OnAppActivation();
   }
 }
 #endif
 
 // static
 bool PluginService::enable_chrome_plugins_ = true;
 
 // static
+void PluginService::InitGlobalInstance(Profile* profile) {
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
+
+  // Disable plugins listed as disabled in prefs.
+  if (const ListValue* saved_plugins_list =
+          profile->GetPrefs()->GetList(prefs::kPluginsPluginsList)) {
+    for (ListValue::const_iterator it = saved_plugins_list->begin();
+         it != saved_plugins_list->end();
+         ++it) {
+      if (!(*it)->IsType(Value::TYPE_DICTIONARY)) {
+        LOG(WARNING) << "Invalid entry in " << prefs::kPluginsPluginsList;
+        continue;  // Oops, don't know what to do with this item.
+      }
+
+      DictionaryValue* plugin = static_cast<DictionaryValue*>(*it);
+      FilePath::StringType path;
+      bool enabled = true;
+      plugin->GetBoolean(L"enabled", &enabled);
+      if (!enabled && plugin->GetString(L"path", &path))
+        NPAPI::PluginList::Singleton()->DisablePlugin(FilePath(path));
+    }
+  }
+
+  // Have Chrome plugins write their data to the profile directory.
+  GetInstance()->SetChromePluginDataDir(profile->GetPath());
+}
+
+// static
 PluginService* PluginService::GetInstance() {
   return Singleton<PluginService>::get();
 }
 
 // static
 void PluginService::EnableChromePlugins(bool enable) {
   enable_chrome_plugins_ = enable;
 }
 
 PluginService::PluginService()
@@ skipping 244 matching lines @@
   PrivatePluginMap::iterator it = private_plugins_.find(plugin_path);
   if (it == private_plugins_.end())
     return true;  // This plugin is not private, so it's allowed everywhere.
 
   // We do a dumb compare of scheme and host, rather than using the domain
   // service, since we only care about this for extensions.
   const GURL& required_url = it->second;
   return (url.scheme() == required_url.scheme() &&
           url.host() == required_url.host());
 }