chrome/renderer/plugins/chrome_plugin_placeholder.h

   1 // Copyright 2013 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_RENDERER_PLUGINS_CHROME_PLUGIN_PLACEHOLDER_H_
   6 #define CHROME_RENDERER_PLUGINS_CHROME_PLUGIN_PLACEHOLDER_H_
   7
   8 #include "components/plugins/renderer/plugin_placeholder.h"
   9
  10 struct ChromeViewHostMsg_GetPluginInfo_Status;
  11
  12 class ChromePluginPlaceholder : public plugins::PluginPlaceholder,
  13                                 public content::RenderProcessObserver,
  14                                 public content::ContextMenuClient {
  15  public:
  16   static const char kPluginPlaceholderDataURL[];
  17
  18   // Returns the absolute (resolved) URL of the poster image.
  19   // Returns an empty GURL if there is no poster image parameter.
  20   static GURL GetPluginInstancePosterImage(const blink::WebPluginParams& params,
  21                                            const GURL& base_url);
  22
  23   static ChromePluginPlaceholder* CreateBlockedPlugin(
  24       content::RenderFrame* render_frame,
  25       blink::WebLocalFrame* frame,
  26       const blink::WebPluginParams& params,
  27       const content::WebPluginInfo& info,
  28       const std::string& identifier,
  29       const base::string16& name,
  30       int resource_id,
  31       const base::string16& message);
  32
  33   // Creates a new WebViewPlugin with a MissingPlugin as a delegate.
  34   static ChromePluginPlaceholder* CreateMissingPlugin(
  35       content::RenderFrame* render_frame,
  36       blink::WebLocalFrame* frame,
  37       const blink::WebPluginParams& params);
  38
  39   static ChromePluginPlaceholder* CreateErrorPlugin(
  40       content::RenderFrame* render_frame,
  41       const base::FilePath& plugin_path);
  42
  43   void SetStatus(const ChromeViewHostMsg_GetPluginInfo_Status& status);
  44
  45 #if defined(ENABLE_PLUGIN_INSTALLATION)
  46   int32 CreateRoutingId();
  47 #endif
  48
  49  private:
  50   ChromePluginPlaceholder(content::RenderFrame* render_frame,
  51                           blink::WebLocalFrame* frame,
  52                           const blink::WebPluginParams& params,
  53                           const std::string& html_data,
  54                           const base::string16& title);
  55   ~ChromePluginPlaceholder() override;
  56
  57   // WebViewPlugin::Delegate (via PluginPlaceholder) method
  58   void BindWebFrame(blink::WebFrame* frame) override;
  59
  60   // gin::Wrappable (via PluginPlaceholder) method
  61   gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
  62       v8::Isolate* isolate) override;
  63
  64   // content::RenderViewObserver (via PluginPlaceholder) override:
  65   bool OnMessageReceived(const IPC::Message& message) override;
  66
  67   // WebViewPlugin::Delegate (via PluginPlaceholder) methods:
  68   void ShowContextMenu(const blink::WebMouseEvent&) override;
  69
  70   // content::RenderProcessObserver methods:
  71   void PluginListChanged() override;
  72
  73   // content::ContextMenuClient methods:
  74   void OnMenuAction(int request_id, unsigned action) override;
  75   void OnMenuClosed(int request_id) override;
  76
  77   // Javascript callback opens chrome://plugins in a new tab.
  78   void OpenAboutPluginsCallback();
  79
  80   void OnLoadBlockedPlugins(const std::string& identifier);
  81   void OnSetIsPrerendering(bool is_prerendering);
  82 #if defined(ENABLE_PLUGIN_INSTALLATION)
  83   void OnDidNotFindMissingPlugin();
  84   void OnFoundMissingPlugin(const base::string16& plugin_name);
  85   void OnStartedDownloadingPlugin();
  86   void OnFinishedDownloadingPlugin();
  87   void OnErrorDownloadingPlugin(const std::string& error);
  88   void OnCancelledDownloadingPlugin();
  89 #endif
  90
  91   // We use a scoped_ptr so we can forward-declare the struct; it's defined in
  92   // an IPC message file which can't be easily included in other header files.
  93   scoped_ptr<ChromeViewHostMsg_GetPluginInfo_Status> status_;
  94
  95   base::string16 title_;
  96
  97 #if defined(ENABLE_PLUGIN_INSTALLATION)
  98   // |routing_id()| is the routing ID of our associated RenderView, but we have
  99   // a separate routing ID for messages specific to this placeholder.
 100   int32 placeholder_routing_id_;
 101 #endif
 102
 103   bool has_host_;
 104   int context_menu_request_id_;  // Nonzero when request pending.
 105   base::string16 plugin_name_;
 106
 107   DISALLOW_COPY_AND_ASSIGN(ChromePluginPlaceholder);
 108 };
 109
 110 #endif  // CHROME_RENDERER_PLUGINS_CHROME_PLUGIN_PLACEHOLDER_H_