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 PluginCrashed(const base::FilePath& plugin_path,
  38                              base::ProcessId plugin_pid) OVERRIDE;
  39   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  40
  41  private:
  42   explicit PluginObserver(content::WebContents* web_contents);
  43   friend class content::WebContentsUserData<PluginObserver>;
  44
  45   class PluginPlaceholderHost;
  46
  47 #if defined(ENABLE_PLUGIN_INSTALLATION)
  48   void InstallMissingPlugin(PluginInstaller* installer,
  49                             const PluginMetadata* plugin_metadata);
  50 #endif
  51
  52   // Message handlers:
  53   void OnBlockedUnauthorizedPlugin(const string16& name,
  54                                    const std::string& identifier);
  55   void OnBlockedOutdatedPlugin(int placeholder_id,
  56                                const std::string& identifier);
  57 #if defined(ENABLE_PLUGIN_INSTALLATION)
  58   void OnFindMissingPlugin(int placeholder_id, const std::string& mime_type);
  59
  60   void OnRemovePluginPlaceholderHost(int placeholder_id);
  61 #endif
  62   void OnOpenAboutPlugins();
  63   void OnCouldNotLoadPlugin(const base::FilePath& plugin_path);
  64   void OnNPAPINotSupported(const std::string& identifier);
  65
  66   base::WeakPtrFactory<PluginObserver> weak_ptr_factory_;
  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   DISALLOW_COPY_AND_ASSIGN(PluginObserver);
  74 };
  75
  76 #endif  // CHROME_BROWSER_PLUGINS_PLUGIN_OBSERVER_H_