chrome/browser/plugins/plugin_observer.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_PLUGINS_PLUGIN_OBSERVER_H_
   6 #define CHROME_BROWSER_PLUGINS_PLUGIN_OBSERVER_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "content/public/browser/web_contents_observer.h"
  11 #include "content/public/browser/web_contents_user_data.h"
  12
  13 #if defined(ENABLE_PLUGIN_INSTALLATION)
  14 #include <map>
  15 #endif
  16
  17 class GURL;
  18 class InfoBarDelegate;
  19 class PluginFinder;
  20 class PluginMetadata;
  21
  22 #if defined(ENABLE_PLUGIN_INSTALLATION)
  23 class PluginInstaller;
  24 class PluginPlaceholderHost;
  25 #endif
  26
  27 namespace content {
  28 class WebContents;
  29 }
  30
  31 class PluginObserver : public content::WebContentsObserver,
  32                        public content::WebContentsUserData<PluginObserver> {
  33  public:
  34   virtual ~PluginObserver();
  35
  36   // content::WebContentsObserver implementation.
  37   virtual void RenderFrameCreated(
  38       content::RenderFrameHost* render_frame_host) OVERRIDE;
  39   virtual void PluginCrashed(const base::FilePath& plugin_path,
  40                              base::ProcessId plugin_pid) OVERRIDE;
  41   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  42
  43  private:
  44   explicit PluginObserver(content::WebContents* web_contents);
  45   friend class content::WebContentsUserData<PluginObserver>;
  46
  47   class PluginPlaceholderHost;
  48
  49 #if defined(ENABLE_PLUGIN_INSTALLATION)
  50   void InstallMissingPlugin(PluginInstaller* installer,
  51                             const PluginMetadata* plugin_metadata);
  52 #endif
  53
  54   // Message handlers:
  55   void OnBlockedUnauthorizedPlugin(const base::string16& name,
  56                                    const std::string& identifier);
  57   void OnBlockedOutdatedPlugin(int placeholder_id,
  58                                const std::string& identifier);
  59 #if defined(ENABLE_PLUGIN_INSTALLATION)
  60   void OnFindMissingPlugin(int placeholder_id, const std::string& mime_type);
  61
  62   void OnRemovePluginPlaceholderHost(int placeholder_id);
  63 #endif
  64   void OnOpenAboutPlugins();
  65   void OnCouldNotLoadPlugin(const base::FilePath& plugin_path);
  66   void OnNPAPINotSupported(const std::string& identifier);
  67
  68 #if defined(ENABLE_PLUGIN_INSTALLATION)
  69   // Stores all PluginPlaceholderHosts, keyed by their routing ID.
  70   std::map<int, PluginPlaceholderHost*> plugin_placeholders_;
  71 #endif
  72
  73   base::WeakPtrFactory<PluginObserver> weak_ptr_factory_;
  74
  75   DISALLOW_COPY_AND_ASSIGN(PluginObserver);
  76 };
  77
  78 #endif  // CHROME_BROWSER_PLUGINS_PLUGIN_OBSERVER_H_