430 lines
11 KiB
C
430 lines
11 KiB
C
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// Copyright (c) 2011 Marshall A. Greenblatt. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the name Chromium Embedded
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// Framework nor the names of its contributors may be used to endorse
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// or promote products derived from this software without specific prior
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// written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// ---------------------------------------------------------------------------
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//
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// The contents of this file must follow a specific format in order to
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// support the CEF translator tool. See the translator.README.txt file in the
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// tools directory for more information.
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//
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#ifndef CEF_INCLUDE_CEF_DOM_H_
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#define CEF_INCLUDE_CEF_DOM_H_
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#pragma once
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#include "include/cef_base.h"
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#include <map>
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class CefDOMDocument;
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class CefDOMEventListener;
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class CefDOMNode;
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///
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// Interface to implement for visiting the DOM. The methods of this class will
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// be called on the UI thread.
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///
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/*--cef(source=client)--*/
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class CefDOMVisitor : public virtual CefBase {
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public:
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///
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// Method executed for visiting the DOM. The document object passed to this
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// method represents a snapshot of the DOM at the time this method is
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// executed. DOM objects are only valid for the scope of this method. Do not
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// keep references to or attempt to access any DOM objects outside the scope
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// of this method.
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///
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/*--cef()--*/
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virtual void Visit(CefRefPtr<CefDOMDocument> document) =0;
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};
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///
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// Class used to represent a DOM document. The methods of this class should only
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// be called on the UI thread.
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///
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/*--cef(source=library)--*/
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class CefDOMDocument : public virtual CefBase {
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public:
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typedef cef_dom_document_type_t Type;
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///
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// Returns the document type.
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///
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/*--cef(default_retval=DOM_DOCUMENT_TYPE_UNKNOWN)--*/
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virtual Type GetType() =0;
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///
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// Returns the root document node.
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///
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/*--cef()--*/
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virtual CefRefPtr<CefDOMNode> GetDocument() =0;
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///
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// Returns the BODY node of an HTML document.
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///
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/*--cef()--*/
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virtual CefRefPtr<CefDOMNode> GetBody() =0;
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///
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// Returns the HEAD node of an HTML document.
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///
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/*--cef()--*/
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virtual CefRefPtr<CefDOMNode> GetHead() =0;
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///
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// Returns the title of an HTML document.
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///
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/*--cef()--*/
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virtual CefString GetTitle() =0;
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///
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// Returns the document element with the specified ID value.
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///
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/*--cef()--*/
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virtual CefRefPtr<CefDOMNode> GetElementById(const CefString& id) =0;
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///
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// Returns the node that currently has keyboard focus.
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///
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/*--cef()--*/
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virtual CefRefPtr<CefDOMNode> GetFocusedNode() =0;
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///
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// Returns true if a portion of the document is selected.
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///
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/*--cef()--*/
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virtual bool HasSelection() =0;
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///
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// Returns the selection start node.
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///
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/*--cef()--*/
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virtual CefRefPtr<CefDOMNode> GetSelectionStartNode() =0;
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///
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// Returns the selection offset within the start node.
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///
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/*--cef()--*/
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virtual int GetSelectionStartOffset() =0;
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///
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// Returns the selection end node.
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///
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/*--cef()--*/
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virtual CefRefPtr<CefDOMNode> GetSelectionEndNode() =0;
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///
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// Returns the selection offset within the end node.
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///
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/*--cef()--*/
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virtual int GetSelectionEndOffset() =0;
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///
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// Returns the contents of this selection as markup.
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///
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/*--cef()--*/
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virtual CefString GetSelectionAsMarkup() =0;
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///
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// Returns the contents of this selection as text.
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///
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/*--cef()--*/
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virtual CefString GetSelectionAsText() =0;
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///
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// Returns the base URL for the document.
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///
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/*--cef()--*/
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virtual CefString GetBaseURL() =0;
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///
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// Returns a complete URL based on the document base URL and the specified
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// partial URL.
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///
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/*--cef()--*/
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virtual CefString GetCompleteURL(const CefString& partialURL) =0;
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};
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///
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// Class used to represent a DOM node. The methods of this class should only be
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// called on the UI thread.
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///
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/*--cef(source=library)--*/
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class CefDOMNode : public virtual CefBase {
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public:
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typedef std::map<CefString, CefString> AttributeMap;
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typedef cef_dom_node_type_t Type;
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///
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// Returns the type for this node.
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///
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/*--cef(default_retval=DOM_NODE_TYPE_UNSUPPORTED)--*/
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virtual Type GetType() =0;
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///
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// Returns true if this is a text node.
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///
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/*--cef()--*/
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virtual bool IsText() =0;
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///
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// Returns true if this is an element node.
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///
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/*--cef()--*/
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virtual bool IsElement() =0;
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///
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// Returns true if this is a form control element node.
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///
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/*--cef()--*/
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virtual bool IsFormControlElement() =0;
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///
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// Returns the type of this form control element node.
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///
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/*--cef()--*/
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virtual CefString GetFormControlElementType() =0;
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///
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// Returns true if this object is pointing to the same handle as |that|
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// object.
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///
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/*--cef()--*/
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virtual bool IsSame(CefRefPtr<CefDOMNode> that) =0;
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///
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// Returns the name of this node.
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///
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/*--cef()--*/
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virtual CefString GetName() =0;
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///
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// Returns the value of this node.
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///
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/*--cef()--*/
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virtual CefString GetValue() =0;
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///
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// Set the value of this node. Returns true on success.
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///
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/*--cef()--*/
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virtual bool SetValue(const CefString& value) =0;
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///
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// Returns the contents of this node as markup.
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///
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/*--cef()--*/
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virtual CefString GetAsMarkup() =0;
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///
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// Returns the document associated with this node.
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///
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/*--cef()--*/
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virtual CefRefPtr<CefDOMDocument> GetDocument() =0;
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///
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// Returns the parent node.
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///
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/*--cef()--*/
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virtual CefRefPtr<CefDOMNode> GetParent() =0;
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///
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// Returns the previous sibling node.
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///
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/*--cef()--*/
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virtual CefRefPtr<CefDOMNode> GetPreviousSibling() =0;
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///
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// Returns the next sibling node.
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///
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/*--cef()--*/
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virtual CefRefPtr<CefDOMNode> GetNextSibling() =0;
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///
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// Returns true if this node has child nodes.
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///
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/*--cef()--*/
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virtual bool HasChildren() =0;
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///
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// Return the first child node.
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///
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/*--cef()--*/
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virtual CefRefPtr<CefDOMNode> GetFirstChild() =0;
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///
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// Returns the last child node.
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///
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/*--cef()--*/
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virtual CefRefPtr<CefDOMNode> GetLastChild() =0;
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///
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// Add an event listener to this node for the specified event type. If
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// |useCapture| is true then this listener will be considered a capturing
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// listener. Capturing listeners will recieve all events of the specified
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// type before the events are dispatched to any other event targets beneath
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// the current node in the tree. Events which are bubbling upwards through
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// the tree will not trigger a capturing listener. Separate calls to this
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// method can be used to register the same listener with and without capture.
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// See WebCore/dom/EventNames.h for the list of supported event types.
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///
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/*--cef()--*/
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virtual void AddEventListener(const CefString& eventType,
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CefRefPtr<CefDOMEventListener> listener,
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bool useCapture) =0;
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// The following methods are valid only for element nodes.
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///
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// Returns the tag name of this element.
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///
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/*--cef()--*/
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virtual CefString GetElementTagName() =0;
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///
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// Returns true if this element has attributes.
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///
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/*--cef()--*/
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virtual bool HasElementAttributes() =0;
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///
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// Returns true if this element has an attribute named |attrName|.
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///
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/*--cef()--*/
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virtual bool HasElementAttribute(const CefString& attrName) =0;
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///
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// Returns the element attribute named |attrName|.
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///
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/*--cef()--*/
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virtual CefString GetElementAttribute(const CefString& attrName) =0;
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///
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// Returns a map of all element attributes.
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///
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/*--cef()--*/
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virtual void GetElementAttributes(AttributeMap& attrMap) =0;
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///
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// Set the value for the element attribute named |attrName|. Returns true on
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// success.
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///
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/*--cef()--*/
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virtual bool SetElementAttribute(const CefString& attrName,
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const CefString& value) =0;
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///
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// Returns the inner text of the element.
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///
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/*--cef()--*/
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virtual CefString GetElementInnerText() =0;
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};
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///
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// Class used to represent a DOM event. The methods of this class should only
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// be called on the UI thread.
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///
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/*--cef(source=library)--*/
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class CefDOMEvent : public virtual CefBase {
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public:
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typedef cef_dom_event_category_t Category;
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typedef cef_dom_event_phase_t Phase;
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///
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// Returns the event type.
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///
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/*--cef()--*/
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virtual CefString GetType() =0;
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///
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// Returns the event category.
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///
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/*--cef(default_retval=DOM_EVENT_CATEGORY_UNKNOWN)--*/
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virtual Category GetCategory() =0;
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///
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// Returns the event processing phase.
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///
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/*--cef(default_retval=DOM_EVENT_PHASE_UNKNOWN)--*/
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virtual Phase GetPhase() =0;
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///
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// Returns true if the event can bubble up the tree.
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///
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/*--cef()--*/
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virtual bool CanBubble() =0;
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///
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// Returns true if the event can be canceled.
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///
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/*--cef()--*/
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virtual bool CanCancel() =0;
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///
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// Returns the document associated with this event.
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///
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/*--cef()--*/
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virtual CefRefPtr<CefDOMDocument> GetDocument() =0;
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///
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// Returns the target of the event.
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///
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/*--cef()--*/
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virtual CefRefPtr<CefDOMNode> GetTarget() =0;
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///
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// Returns the current target of the event.
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///
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/*--cef()--*/
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virtual CefRefPtr<CefDOMNode> GetCurrentTarget() =0;
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};
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///
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// Interface to implement for handling DOM events. The methods of this class
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// will be called on the UI thread.
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///
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/*--cef(source=client)--*/
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class CefDOMEventListener : public virtual CefBase {
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public:
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///
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// Called when an event is received. The event object passed to this method
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// contains a snapshot of the DOM at the time this method is executed. DOM
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// objects are only valid for the scope of this method. Do not keep references
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// to or attempt to access any DOM objects outside the scope of this method.
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///
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/*--cef()--*/
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virtual void HandleEvent(CefRefPtr<CefDOMEvent> event) =0;
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};
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#endif // CEF_INCLUDE_CEF_DOM_H_
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