Source/web/WebRange.cpp

/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 * 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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 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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#include "config.h"
#include "public/web/WebRange.h"

#include "bindings/core/v8/ExceptionState.h"
#include "bindings/core/v8/ExceptionStatePlaceholder.h"
#include "core/dom/Document.h"
#include "core/dom/Element.h"
#include "core/dom/Range.h"
#include "core/dom/shadow/ShadowRoot.h"
#include "core/editing/FrameSelection.h"
#include "core/editing/PlainTextRange.h"
#include "core/frame/FrameView.h"
#include "core/frame/LocalFrame.h"
#include "public/platform/WebString.h"
#include "public/web/WebExceptionCode.h"
#include "public/web/WebNode.h"
#include "web/WebLocalFrameImpl.h"
#include "wtf/PassRefPtr.h"

namespace blink {

void WebRange::reset()
{
    m_private.reset();
}

void WebRange::assign(const WebRange& other)
{
    m_private = other.m_private;
}

int WebRange::startOffset() const
{
    return m_private->startOffset();
}

int WebRange::endOffset() const
{
    return m_private->endOffset();
}

WebNode WebRange::startContainer(WebExceptionCode& exceptionCode) const
{
    // FIXME: Create a wrapper class that just sets the internal int.
    RefPtrWillBeRawPtr<Node> node(m_private->startContainer());
    exceptionCode = 0;
    return node.release();
}

WebNode WebRange::endContainer(WebExceptionCode& exceptionCode) const
{
    // FIXME: Create a wrapper class that just sets the internal int.
    RefPtrWillBeRawPtr<Node> node(m_private->endContainer());
    exceptionCode = 0;
    return node.release();
}

WebString WebRange::toHTMLText() const
{
    return m_private->toHTML();
}

WebString WebRange::toPlainText() const
{
    return m_private->text();
}

WebRange WebRange::expandedToParagraph() const
{
    WebRange copy(*this);
    copy.m_private->expand("block", IGNORE_EXCEPTION);
    return copy;
}

// static
WebRange WebRange::fromDocumentRange(WebLocalFrame* frame, int start, int length)
{
    LocalFrame* webFrame = toWebLocalFrameImpl(frame)->frame();
    Element* selectionRoot = webFrame->selection().rootEditableElement();
    ContainerNode* scope = selectionRoot ? selectionRoot : webFrame->document()->documentElement();
    return PlainTextRange(start, start + length).createRange(*scope);
}

WebRange::WebRange(const PassRefPtrWillBeRawPtr<Range>& range)
    : m_private(range)
{
}

WebRange::operator PassRefPtrWillBeRawPtr<Range>() const
{
    return m_private.get();
}

} // namespace blink