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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_BROWSER_RENDERER_HOST_TEXT_INPUT_CLIENT_MESSAGE_FILTER_H_
      6 #define CONTENT_BROWSER_RENDERER_HOST_TEXT_INPUT_CLIENT_MESSAGE_FILTER_H_
      7 
      8 #include "content/common/mac/attributed_string_coder.h"
      9 #include "content/public/browser/browser_message_filter.h"
     10 
     11 namespace gfx {
     12 class Rect;
     13 }
     14 
     15 namespace ui {
     16 class Range;
     17 }
     18 
     19 namespace content {
     20 
     21 // This is a browser-side message filter that lives on the IO thread to handle
     22 // replies to messages sent by the TextInputClientMac. See
     23 // content/browser/renderer_host/text_input_client_mac.h for more information.
     24 class CONTENT_EXPORT TextInputClientMessageFilter
     25     : public BrowserMessageFilter {
     26  public:
     27   explicit TextInputClientMessageFilter(int child_id);
     28 
     29   // BrowserMessageFilter override:
     30   virtual bool OnMessageReceived(const IPC::Message& message,
     31                                  bool* message_was_ok) OVERRIDE;
     32 
     33  protected:
     34   virtual ~TextInputClientMessageFilter();
     35 
     36  private:
     37   // IPC Message handlers:
     38   void OnGotCharacterIndexForPoint(size_t index);
     39   void OnGotFirstRectForRange(const gfx::Rect& rect);
     40   void OnGotStringFromRange(
     41       const mac::AttributedStringCoder::EncodedString& string);
     42 
     43   // Child process id.
     44   int child_process_id_;
     45 
     46   DISALLOW_COPY_AND_ASSIGN(TextInputClientMessageFilter);
     47 };
     48 
     49 }  // namespace content
     50 
     51 #endif  // CONTENT_BROWSER_RENDERER_HOST_TEXT_INPUT_CLIENT_MESSAGE_FILTER_H_
     52