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_FetchURL_Params;
  23 struct PluginMsg_UpdateGeometry_Param;
  24
  25 namespace blink {
  26 class WebInputEvent;
  27 }
  28
  29 namespace content {
  30 class PluginChannel;
  31 class WebCursor;
  32 class WebPluginDelegateImpl;
  33 class WebPluginProxy;
  34
  35 // Converts the IPC messages from WebPluginDelegateProxy into calls to the
  36 // actual WebPluginDelegateImpl object.
  37 class WebPluginDelegateStub : public IPC::Listener,
  38                               public IPC::Sender,
  39                               public base::RefCounted<WebPluginDelegateStub> {
  40  public:
  41   WebPluginDelegateStub(const std::string& mime_type, int instance_id,
  42                         PluginChannel* channel);
  43
  44   // IPC::Listener implementation:
  45   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
  46
  47   // IPC::Sender implementation:
  48   virtual bool Send(IPC::Message* msg) OVERRIDE;
  49
  50   int instance_id() { return instance_id_; }
  51   WebPluginDelegateImpl* delegate() { return delegate_; }
  52   WebPluginProxy* webplugin() { return webplugin_; }
  53
  54  private:
  55   friend class base::RefCounted<WebPluginDelegateStub>;
  56
  57   virtual ~WebPluginDelegateStub();
  58
  59   // Message handlers for the WebPluginDelegate calls that are proxied from the
  60   // renderer over the IPC channel.
  61   void OnInit(const PluginMsg_Init_Params& params,
  62               bool* transparent,
  63               bool* result);
  64   void OnWillSendRequest(int id, const GURL& url, int http_status_code);
  65   void OnDidReceiveResponse(const PluginMsg_DidReceiveResponseParams& params);
  66   void OnDidReceiveData(int id, const std::vector<char>& buffer,
  67                         int data_offset);
  68   void OnDidFinishLoading(int id);
  69   void OnDidFail(int id);
  70   void OnDidFinishLoadWithReason(const GURL& url, int reason, int notify_id);
  71   void OnSetFocus(bool focused);
  72   void OnHandleInputEvent(const blink::WebInputEvent* event,
  73                           bool* handled, WebCursor* cursor);
  74   void OnPaint(const gfx::Rect& damaged_rect);
  75   void OnDidPaint();
  76   void OnUpdateGeometry(const PluginMsg_UpdateGeometry_Param& param);
  77   void OnGetPluginScriptableObject(int* route_id);
  78   void OnSendJavaScriptStream(const GURL& url,
  79                               const std::string& result,
  80                               bool success,
  81                               int notify_id);
  82   void OnGetFormValue(base::string16* value, bool* success);
  83
  84   void OnSetContentAreaFocus(bool has_focus);
  85 #if defined(OS_WIN) && !defined(USE_AURA)
  86   void OnImeCompositionUpdated(const base::string16& text,
  87                                const std::vector<int>& clauses,
  88                                const std::vector<int>& target,
  89                                int cursor_position);
  90   void OnImeCompositionCompleted(const base::string16& text);
  91 #endif
  92 #if defined(OS_MACOSX)
  93   void OnSetWindowFocus(bool has_focus);
  94   void OnContainerHidden();
  95   void OnContainerShown(gfx::Rect window_frame, gfx::Rect view_frame,
  96                         bool has_focus);
  97   void OnWindowFrameChanged(const gfx::Rect& window_frame,
  98                             const gfx::Rect& view_frame);
  99   void OnImeCompositionCompleted(const base::string16& text);
 100 #endif
 101
 102   void OnDidReceiveManualResponse(
 103       const GURL& url,
 104       const PluginMsg_DidReceiveResponseParams& params);
 105   void OnDidReceiveManualData(const std::vector<char>& buffer);
 106   void OnDidFinishManualLoading();
 107   void OnDidManualLoadFail();
 108   void OnHandleURLRequestReply(unsigned long resource_id,
 109                                const GURL& url,
 110                                int notify_id);
 111   void OnHTTPRangeRequestReply(unsigned long resource_id, int range_request_id);
 112   void OnFetchURL(const PluginMsg_FetchURL_Params& params);
 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   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   DISALLOW_IMPLICIT_CONSTRUCTORS(WebPluginDelegateStub);
 128 };
 129
 130 }  // namespace content
 131
 132 #endif  // CONTENT_PLUGIN_WEBPLUGIN_DELEGATE_STUB_H_