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Source/WebKit/chromium/public/WebFrame.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
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 class WebPerformance;
 class WebRange;
 class WebSecurityOrigin;
 class WebString;
 class WebURL;
 class WebURLLoader;
 class WebURLRequest;
 class WebView;
 struct WebConsoleMessage;
 struct WebFindOptions;
+struct WebPoint;
 struct WebRect;
 struct WebScriptSource;
 struct WebSize;
 template <typename T> class WebVector;
 
 // FIXME(jam): take this out once Chromium has this
 #define WEBFRAME_PRINTBEGIN_TAKES_NODE
 
 class WebFrame {
 public:
@@ skipping 283 matching lines @@
     virtual void replaceSelection(const WebString& text) = 0;
 
     virtual void insertText(const WebString& text) = 0;
 
     virtual void setMarkedText(const WebString& text, unsigned location, unsigned length) = 0;
     virtual void unmarkText() = 0;
     virtual bool hasMarkedText() const = 0;
 
     virtual WebRange markedRange() const = 0;
 
+    // Returns the frame rectangle in window coordinate space of the given text
+    // range.
     virtual bool firstRectForCharacterRange(unsigned location, unsigned length, WebRect&) const = 0;
 
+    // Returns the index of a character in the Frame's text stream at the given
+    // point. The point is in the window coordinate space. Will return
+    // WTF::notFound if the point is invalid.
+    virtual unsigned characterIndexForPoint(const WebPoint& point) const = 0;
+
     // Supports commands like Undo, Redo, Cut, Copy, Paste, SelectAll,
     // Unselect, etc. See EditorCommand.cpp for the full list of supported
     // commands.
     virtual bool executeCommand(const WebString&) = 0;
     virtual bool executeCommand(const WebString&, const WebString& value) = 0;
     virtual bool isCommandEnabled(const WebString&) const = 0;
 
     // Spell-checking support.
     virtual void enableContinuousSpellChecking(bool) = 0;
     virtual bool isContinuousSpellCheckingEnabled() const = 0;
@@ skipping 186 matching lines @@
     // text form. This is used only by layout tests.
     virtual WebString layerTreeAsText() const = 0;
 
 protected:
     ~WebFrame() { }
 };
 
 } // namespace WebKit
 
 #endif