Rename PluginService to PluginServiceImpl.

BUG=98716
Review URL: http://codereview.chromium.org/9019004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@115279 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 237 insertions, 0 deletions

diff --git a/content/browser/plugin_service_impl.h b/content/browser/plugin_service_impl.h
new file mode 100644
index 0000000..b106edd
--- /dev/null
+++ b/content/browser/plugin_service_impl.h
@@ -0,0 +1,237 @@
+// 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.
+
+// This class responds to requests from renderers for the list of plugins, and
+// also a proxy object for plugin instances.
+
+#ifndef CONTENT_BROWSER_PLUGIN_SERVICE_IMPL_H_
+#define CONTENT_BROWSER_PLUGIN_SERVICE_IMPL_H_
+#pragma once
+
+#include <set>
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "base/memory/scoped_vector.h"
+#include "base/memory/singleton.h"
+#include "base/synchronization/waitable_event_watcher.h"
+#include "build/build_config.h"
+#include "content/browser/plugin_process_host.h"
+#include "content/browser/ppapi_plugin_process_host.h"
+#include "content/common/content_export.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
+#include "content/public/browser/plugin_service.h"
+#include "googleurl/src/gurl.h"
+#include "ipc/ipc_channel_handle.h"
+
+#if defined(OS_WIN)
+#include "base/memory/scoped_ptr.h"
+#include "base/win/registry.h"
+#endif
+
+#if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_OPENBSD)
+#include "base/files/file_path_watcher.h"
+#endif
+
+class PluginDirWatcherDelegate;
+class PluginLoaderPosix;
+
+namespace base {
+class MessageLoopProxy;
+}
+
+namespace content {
+class BrowserContext;
+class ResourceContext;
+struct PepperPluginInfo;
+class PluginServiceFilter;
+struct PluginServiceFilterParams;
+}
+
+namespace webkit {
+namespace npapi {
+class PluginGroup;
+class PluginList;
+}
+}
+
+class CONTENT_EXPORT PluginServiceImpl
+    : NON_EXPORTED_BASE(public content::PluginService),
+      public base::WaitableEventWatcher::Delegate,
+      public content::NotificationObserver {
+ public:
+  // Returns the PluginServiceImpl singleton.
+  static PluginServiceImpl* GetInstance();
+
+  // content::PluginService implementation:
+  virtual void Init() OVERRIDE;
+  virtual void StartWatchingPlugins() OVERRIDE;
+  virtual PluginProcessHost* FindNpapiPluginProcess(
+      const FilePath& plugin_path) OVERRIDE;
+  virtual bool GetPluginInfoArray(
+      const GURL& url,
+      const std::string& mime_type,
+      bool allow_wildcard,
+      std::vector<webkit::WebPluginInfo>* info,
+      std::vector<std::string>* actual_mime_types) OVERRIDE;
+  virtual bool GetPluginInfo(int render_process_id,
+                             int render_view_id,
+                             const content::ResourceContext& context,
+                             const GURL& url,
+                             const GURL& page_url,
+                             const std::string& mime_type,
+                             bool allow_wildcard,
+                             bool* is_stale,
+                             webkit::WebPluginInfo* info,
+                             std::string* actual_mime_type) OVERRIDE;
+  virtual bool GetPluginInfoByPath(const FilePath& plugin_path,
+                                   webkit::WebPluginInfo* info) OVERRIDE;
+  virtual void GetPlugins(const GetPluginsCallback& callback) OVERRIDE;
+  virtual void GetPluginGroups(
+      const GetPluginGroupsCallback& callback) OVERRIDE;
+  virtual content::PepperPluginInfo* GetRegisteredPpapiPluginInfo(
+      const FilePath& plugin_path) OVERRIDE;
+  virtual void SetFilter(content::PluginServiceFilter* filter) OVERRIDE;
+  virtual content::PluginServiceFilter* GetFilter() OVERRIDE;
+  virtual void RefreshPlugins() OVERRIDE;
+  virtual void AddExtraPluginPath(const FilePath& path) OVERRIDE;
+  virtual void RemoveExtraPluginPath(const FilePath& path) OVERRIDE;
+  virtual void UnregisterInternalPlugin(const FilePath& path) OVERRIDE;
+  virtual void RegisterInternalPlugin(
+      const webkit::WebPluginInfo& info) OVERRIDE;
+  virtual string16 GetPluginGroupName(const std::string& plugin_name) OVERRIDE;
+  virtual webkit::npapi::PluginList* GetPluginList() OVERRIDE;
+  virtual void SetPluginListForTesting(
+      webkit::npapi::PluginList* plugin_list) OVERRIDE;
+
+  // Gets the browser's UI locale.
+  const std::string& GetUILocale();
+
+  // Like FindNpapiPluginProcess but for Pepper.
+  PpapiPluginProcessHost* FindPpapiPluginProcess(const FilePath& plugin_path);
+  PpapiPluginProcessHost* FindPpapiBrokerProcess(const FilePath& broker_path);
+
+  // Returns the plugin process host corresponding to the plugin process that
+  // has been started by this service. This will start a process to host the
+  // 'plugin_path' if needed. If the process fails to start, the return value
+  // is NULL. Must be called on the IO thread.
+  PluginProcessHost* FindOrStartNpapiPluginProcess(
+      const FilePath& plugin_path);
+  PpapiPluginProcessHost* FindOrStartPpapiPluginProcess(
+      const FilePath& plugin_path,
+      PpapiPluginProcessHost::PluginClient* client);
+  PpapiPluginProcessHost* FindOrStartPpapiBrokerProcess(
+      const FilePath& plugin_path);
+
+  // Opens a channel to a plugin process for the given mime type, starting
+  // a new plugin process if necessary.  This must be called on the IO thread
+  // or else a deadlock can occur.
+  void OpenChannelToNpapiPlugin(int render_process_id,
+                                int render_view_id,
+                                const GURL& url,
+                                const GURL& page_url,
+                                const std::string& mime_type,
+                                PluginProcessHost::Client* client);
+  void OpenChannelToPpapiPlugin(const FilePath& path,
+                                PpapiPluginProcessHost::PluginClient* client);
+  void OpenChannelToPpapiBroker(const FilePath& path,
+                                PpapiPluginProcessHost::BrokerClient* client);
+
+  // Cancels opening a channel to a NPAPI plugin.
+  void CancelOpenChannelToNpapiPlugin(PluginProcessHost::Client* client);
+
+ private:
+  friend struct DefaultSingletonTraits<PluginServiceImpl>;
+
+  // Creates the PluginServiceImpl object, but doesn't actually build the plugin
+  // list yet.  It's generated lazily.
+  PluginServiceImpl();
+  virtual ~PluginServiceImpl();
+
+  // base::WaitableEventWatcher::Delegate implementation.
+  virtual void OnWaitableEventSignaled(
+      base::WaitableEvent* waitable_event) OVERRIDE;
+
+  // content::NotificationObserver implementation
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
+  void RegisterPepperPlugins();
+
+  // Function that is run on the FILE thread to load the plugins synchronously.
+  void GetPluginsInternal(base::MessageLoopProxy* target_loop,
+                          const GetPluginsCallback& callback);
+
+  // Binding directly to GetAllowedPluginForOpenChannelToPlugin() isn't possible
+  // because more arity is needed <http://crbug.com/98542>. This just forwards.
+  void ForwardGetAllowedPluginForOpenChannelToPlugin(
+      const content::PluginServiceFilterParams& params,
+      const GURL& url,
+      const std::string& mime_type,
+      PluginProcessHost::Client* client,
+      const std::vector<webkit::WebPluginInfo>&);
+  // Helper so we can do the plugin lookup on the FILE thread.
+  void GetAllowedPluginForOpenChannelToPlugin(
+      int render_process_id,
+      int render_view_id,
+      const GURL& url,
+      const GURL& page_url,
+      const std::string& mime_type,
+      PluginProcessHost::Client* client,
+      const content::ResourceContext* resource_context);
+
+  // Helper so we can finish opening the channel after looking up the
+  // plugin.
+  void FinishOpenChannelToPlugin(
+      const FilePath& plugin_path,
+      PluginProcessHost::Client* client);
+
+#if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_OPENBSD)
+  // Registers a new FilePathWatcher for a given path.
+  static void RegisterFilePathWatcher(
+      base::files::FilePathWatcher* watcher,
+      const FilePath& path,
+      base::files::FilePathWatcher::Delegate* delegate);
+#endif
+
+  // The plugin list instance.
+  webkit::npapi::PluginList* plugin_list_;
+
+  // The browser's UI locale.
+  const std::string ui_locale_;
+
+  content::NotificationRegistrar registrar_;
+
+#if defined(OS_WIN)
+  // Registry keys for getting notifications when new plugins are installed.
+  base::win::RegKey hkcu_key_;
+  base::win::RegKey hklm_key_;
+  scoped_ptr<base::WaitableEvent> hkcu_event_;
+  scoped_ptr<base::WaitableEvent> hklm_event_;
+  base::WaitableEventWatcher hkcu_watcher_;
+  base::WaitableEventWatcher hklm_watcher_;
+#endif
+
+#if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_OPENBSD)
+  ScopedVector<base::files::FilePathWatcher> file_watchers_;
+  scoped_refptr<PluginDirWatcherDelegate> file_watcher_delegate_;
+#endif
+
+  std::vector<content::PepperPluginInfo> ppapi_plugins_;
+
+  // Weak pointer; outlives us.
+  content::PluginServiceFilter* filter_;
+
+  std::set<PluginProcessHost::Client*> pending_plugin_clients_;
+
+#if defined(OS_POSIX)
+  scoped_refptr<PluginLoaderPosix> plugin_loader_;
+#endif
+
+  DISALLOW_COPY_AND_ASSIGN(PluginServiceImpl);
+};
+
+#endif  // CONTENT_BROWSER_PLUGIN_SERVICE_IMPL_H_