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 PluginFinder;
  19 class PluginMetadata;
  20
  21 #if defined(ENABLE_PLUGIN_INSTALLATION)
  22 class PluginInstaller;
  23 class PluginPlaceholderHost;
  24 #endif
  25
  26 namespace content {
  27 class WebContents;
  28 }
  29
  30 namespace infobars {
  31 class InfoBarDelegate;
  32 }
  33
  34 class PluginObserver : public content::WebContentsObserver,
  35                        public content::WebContentsUserData<PluginObserver> {
  36  public:
  37   virtual ~PluginObserver();
  38
  39   // content::WebContentsObserver implementation.
  40   virtual void RenderFrameCreated(
  41       content::RenderFrameHost* render_frame_host) OVERRIDE;
  42   virtual void PluginCrashed(const base::FilePath& plugin_path,
  43                              base::ProcessId plugin_pid) OVERRIDE;
  44   virtual bool OnMessageReceived(
  45       const IPC::Message& message,
  46       content::RenderFrameHost* render_frame_host) OVERRIDE;
  47   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  48
  49  private:
  50   explicit PluginObserver(content::WebContents* web_contents);
  51   friend class content::WebContentsUserData<PluginObserver>;
  52
  53   class PluginPlaceholderHost;
  54
  55 #if defined(ENABLE_PLUGIN_INSTALLATION)
  56   void InstallMissingPlugin(PluginInstaller* installer,
  57                             const PluginMetadata* plugin_metadata);
  58 #endif
  59
  60   // Message handlers:
  61   void OnBlockedUnauthorizedPlugin(const base::string16& name,
  62                                    const std::string& identifier);
  63   void OnBlockedOutdatedPlugin(int placeholder_id,
  64                                const std::string& identifier);
  65 #if defined(ENABLE_PLUGIN_INSTALLATION)
  66   void OnFindMissingPlugin(int placeholder_id, const std::string& mime_type);
  67
  68   void OnRemovePluginPlaceholderHost(int placeholder_id);
  69 #endif
  70   void OnOpenAboutPlugins();
  71   void OnCouldNotLoadPlugin(const base::FilePath& plugin_path);
  72   void OnNPAPINotSupported(const std::string& identifier);
  73
  74 #if defined(ENABLE_PLUGIN_INSTALLATION)
  75   // Stores all PluginPlaceholderHosts, keyed by their routing ID.
  76   std::map<int, PluginPlaceholderHost*> plugin_placeholders_;
  77 #endif
  78
  79   base::WeakPtrFactory<PluginObserver> weak_ptr_factory_;
  80
  81   DISALLOW_COPY_AND_ASSIGN(PluginObserver);
  82 };
  83
  84 #endif  // CHROME_BROWSER_PLUGINS_PLUGIN_OBSERVER_H_