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      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_
    133