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/common/npobject_stub.h"
  13 #include "googleurl/src/gurl.h"
  14 #include "ipc/ipc_listener.h"
  15 #include "ipc/ipc_sender.h"
  16 #include "third_party/npapi/bindings/npapi.h"
  17 #include "ui/gfx/native_widget_types.h"
  18 #include "ui/gfx/rect.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 webkit {
  30 namespace npapi {
  31 class WebPluginDelegateImpl;
  32 }
  33 }
  34
  35 namespace content {
  36 class PluginChannel;
  37 class WebPluginProxy;
  38
  39 // Converts the IPC messages from WebPluginDelegateProxy into calls to the
  40 // actual WebPluginDelegateImpl object.
  41 class WebPluginDelegateStub : public IPC::Listener,
  42                               public IPC::Sender,
  43                               public base::RefCounted<WebPluginDelegateStub> {
  44  public:
  45   WebPluginDelegateStub(const std::string& mime_type, int instance_id,
  46                         PluginChannel* channel);
  47
  48   // IPC::Listener implementation:
  49   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
  50
  51   // IPC::Sender implementation:
  52   virtual bool Send(IPC::Message* msg) OVERRIDE;
  53
  54   int instance_id() { return instance_id_; }
  55   WebPluginProxy* webplugin() { return webplugin_; }
  56
  57  private:
  58   friend class base::RefCounted<WebPluginDelegateStub>;
  59
  60   virtual ~WebPluginDelegateStub();
  61
  62   // Message handlers for the WebPluginDelegate calls that are proxied from the
  63   // renderer over the IPC channel.
  64   void OnInit(const PluginMsg_Init_Params& params, bool* result);
  65   void OnWillSendRequest(int id, const GURL& url, int http_status_code);
  66   void OnDidReceiveResponse(const PluginMsg_DidReceiveResponseParams& params);
  67   void OnDidReceiveData(int id, const std::vector<char>& buffer,
  68                         int data_offset);
  69   void OnDidFinishLoading(int id);
  70   void OnDidFail(int id);
  71   void OnDidFinishLoadWithReason(const GURL& url, int reason, int notify_id);
  72   void OnSetFocus(bool focused);
  73   void OnHandleInputEvent(const WebKit::WebInputEvent* event,
  74                           bool* handled, WebCursor* cursor);
  75   void OnPaint(const gfx::Rect& damaged_rect);
  76   void OnDidPaint();
  77   void OnUpdateGeometry(const PluginMsg_UpdateGeometry_Param& param);
  78   void OnGetPluginScriptableObject(int* route_id);
  79   void OnSendJavaScriptStream(const GURL& url,
  80                               const std::string& result,
  81                               bool success,
  82                               int notify_id);
  83   void OnGetFormValue(string16* value, bool* success);
  84
  85   void OnSetContentAreaFocus(bool has_focus);
  86 #if defined(OS_WIN) && !defined(USE_AURA)
  87   void OnImeCompositionUpdated(const string16& text,
  88                                const std::vector<int>& clauses,
  89                                const std::vector<int>& target,
  90                                int cursor_position);
  91   void OnImeCompositionCompleted(const string16& text);
  92 #endif
  93 #if defined(OS_MACOSX)
  94   void OnSetWindowFocus(bool has_focus);
  95   void OnContainerHidden();
  96   void OnContainerShown(gfx::Rect window_frame, gfx::Rect view_frame,
  97                         bool has_focus);
  98   void OnWindowFrameChanged(const gfx::Rect& window_frame,
  99                             const gfx::Rect& view_frame);
 100   void OnImeCompositionCompleted(const string16& text);
 101 #endif
 102
 103   void OnDidReceiveManualResponse(
 104       const GURL& url,
 105       const PluginMsg_DidReceiveResponseParams& params);
 106   void OnDidReceiveManualData(const std::vector<char>& buffer);
 107   void OnDidFinishManualLoading();
 108   void OnDidManualLoadFail();
 109   void OnHandleURLRequestReply(unsigned long resource_id,
 110                                const GURL& url,
 111                                int notify_id);
 112   void OnHTTPRangeRequestReply(unsigned long resource_id, int range_request_id);
 113
 114   std::string mime_type_;
 115   int instance_id_;
 116
 117   scoped_refptr<PluginChannel> channel_;
 118
 119   base::WeakPtr<NPObjectStub> plugin_scriptable_object_;
 120   webkit::npapi::WebPluginDelegateImpl* delegate_;
 121   WebPluginProxy* webplugin_;
 122   bool in_destructor_;
 123
 124   // The url of the main frame hosting the plugin.
 125   GURL page_url_;
 126
 127 #if defined(ENABLE_GPU)
 128 #if defined(OS_MACOSX)
 129   // If this is a GPU-accelerated plug-in, we need to be able to receive a fake
 130   // window handle which is used for subsequent communication back to the
 131   // browser.
 132   void OnSetFakeAcceleratedSurfaceWindowHandle(gfx::PluginWindowHandle window);
 133 #endif
 134 #endif
 135
 136   DISALLOW_IMPLICIT_CONSTRUCTORS(WebPluginDelegateStub);
 137 };
 138
 139 }  // namespace content
 140
 141 #endif  // CONTENT_PLUGIN_WEBPLUGIN_DELEGATE_STUB_H_