content/plugin/webplugin_delegate_stub.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 CONTENT_PLUGIN_WEBPLUGIN_DELEGATE_STUB_H_
   6 #define CONTENT_PLUGIN_WEBPLUGIN_DELEGATE_STUB_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/memory/ref_counted.h"
  12 #include "content/child/npapi/npobject_stub.h"
  13 #include "ipc/ipc_listener.h"
  14 #include "ipc/ipc_sender.h"
  15 #include "third_party/npapi/bindings/npapi.h"
  16 #include "ui/gfx/native_widget_types.h"
  17 #include "ui/gfx/rect.h"
  18 #include "url/gurl.h"
  19
  20 struct PluginMsg_Init_Params;
  21 struct PluginMsg_DidReceiveResponseParams;
  22 struct PluginMsg_UpdateGeometry_Param;
  23 class WebCursor;
  24
  25 namespace WebKit {
  26 class WebInputEvent;
  27 }
  28
  29 namespace content {
  30 class PluginChannel;
  31 class WebPluginDelegateImpl;
  32 class WebPluginProxy;
  33
  34 // Converts the IPC messages from WebPluginDelegateProxy into calls to the
  35 // actual WebPluginDelegateImpl object.
  36 class WebPluginDelegateStub : public IPC::Listener,
  37                               public IPC::Sender,
  38                               public base::RefCounted<WebPluginDelegateStub> {
  39  public:
  40   WebPluginDelegateStub(const std::string& mime_type, int instance_id,
  41                         PluginChannel* channel);
  42
  43   // IPC::Listener implementation:
  44   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
  45
  46   // IPC::Sender implementation:
  47   virtual bool Send(IPC::Message* msg) OVERRIDE;
  48
  49   int instance_id() { return instance_id_; }
  50   WebPluginProxy* webplugin() { return webplugin_; }
  51
  52  private:
  53   friend class base::RefCounted<WebPluginDelegateStub>;
  54
  55   virtual ~WebPluginDelegateStub();
  56
  57   // Message handlers for the WebPluginDelegate calls that are proxied from the
  58   // renderer over the IPC channel.
  59   void OnInit(const PluginMsg_Init_Params& params,
  60               bool* transparent,
  61               bool* result);
  62   void OnWillSendRequest(int id, const GURL& url, int http_status_code);
  63   void OnDidReceiveResponse(const PluginMsg_DidReceiveResponseParams& params);
  64   void OnDidReceiveData(int id, const std::vector<char>& buffer,
  65                         int data_offset);
  66   void OnDidFinishLoading(int id);
  67   void OnDidFail(int id);
  68   void OnDidFinishLoadWithReason(const GURL& url, int reason, int notify_id);
  69   void OnSetFocus(bool focused);
  70   void OnHandleInputEvent(const WebKit::WebInputEvent* event,
  71                           bool* handled, WebCursor* cursor);
  72   void OnPaint(const gfx::Rect& damaged_rect);
  73   void OnDidPaint();
  74   void OnUpdateGeometry(const PluginMsg_UpdateGeometry_Param& param);
  75   void OnGetPluginScriptableObject(int* route_id);
  76   void OnSendJavaScriptStream(const GURL& url,
  77                               const std::string& result,
  78                               bool success,
  79                               int notify_id);
  80   void OnGetFormValue(string16* value, bool* success);
  81
  82   void OnSetContentAreaFocus(bool has_focus);
  83 #if defined(OS_WIN) && !defined(USE_AURA)
  84   void OnImeCompositionUpdated(const string16& text,
  85                                const std::vector<int>& clauses,
  86                                const std::vector<int>& target,
  87                                int cursor_position);
  88   void OnImeCompositionCompleted(const string16& text);
  89 #endif
  90 #if defined(OS_MACOSX)
  91   void OnSetWindowFocus(bool has_focus);
  92   void OnContainerHidden();
  93   void OnContainerShown(gfx::Rect window_frame, gfx::Rect view_frame,
  94                         bool has_focus);
  95   void OnWindowFrameChanged(const gfx::Rect& window_frame,
  96                             const gfx::Rect& view_frame);
  97   void OnImeCompositionCompleted(const string16& text);
  98 #endif
  99
 100   void OnDidReceiveManualResponse(
 101       const GURL& url,
 102       const PluginMsg_DidReceiveResponseParams& params);
 103   void OnDidReceiveManualData(const std::vector<char>& buffer);
 104   void OnDidFinishManualLoading();
 105   void OnDidManualLoadFail();
 106   void OnHandleURLRequestReply(unsigned long resource_id,
 107                                const GURL& url,
 108                                int notify_id);
 109   void OnHTTPRangeRequestReply(unsigned long resource_id, int range_request_id);
 110
 111   std::string mime_type_;
 112   int instance_id_;
 113
 114   scoped_refptr<PluginChannel> channel_;
 115
 116   base::WeakPtr<NPObjectStub> plugin_scriptable_object_;
 117   WebPluginDelegateImpl* delegate_;
 118   WebPluginProxy* webplugin_;
 119   bool in_destructor_;
 120
 121   // The url of the main frame hosting the plugin.
 122   GURL page_url_;
 123
 124   DISALLOW_IMPLICIT_CONSTRUCTORS(WebPluginDelegateStub);
 125 };
 126
 127 }  // namespace content
 128
 129 #endif  // CONTENT_PLUGIN_WEBPLUGIN_DELEGATE_STUB_H_