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   ~PluginObserver() override;
  38
  39   // content::WebContentsObserver implementation.
  40   void RenderFrameCreated(content::RenderFrameHost* render_frame_host) override;
  41   void PluginCrashed(const base::FilePath& plugin_path,
  42                      base::ProcessId plugin_pid) override;
  43   bool OnMessageReceived(const IPC::Message& message,
  44                          content::RenderFrameHost* render_frame_host) override;
  45
  46  private:
  47   explicit PluginObserver(content::WebContents* web_contents);
  48   friend class content::WebContentsUserData<PluginObserver>;
  49
  50   class PluginPlaceholderHost;
  51
  52   // Message handlers:
  53   void OnBlockedUnauthorizedPlugin(const base::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 OnRemovePluginPlaceholderHost(int placeholder_id);
  59 #endif
  60   void OnOpenAboutPlugins();
  61   void OnCouldNotLoadPlugin(const base::FilePath& plugin_path);
  62   void OnNPAPINotSupported(const std::string& identifier);
  63
  64 #if defined(ENABLE_PLUGIN_INSTALLATION)
  65   // Stores all PluginPlaceholderHosts, keyed by their routing ID.
  66   std::map<int, PluginPlaceholderHost*> plugin_placeholders_;
  67 #endif
  68
  69   base::WeakPtrFactory<PluginObserver> weak_ptr_factory_;
  70
  71   DISALLOW_COPY_AND_ASSIGN(PluginObserver);
  72 };
  73
  74 #endif  // CHROME_BROWSER_PLUGINS_PLUGIN_OBSERVER_H_