| /* |
| * 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 |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "WebRange.h" |
| |
| #include "WebExceptionCode.h" |
| #include "WebFrameImpl.h" |
| #include "WebNode.h" |
| #include "bindings/v8/ExceptionState.h" |
| #include "bindings/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/TextIterator.h" |
| #include "core/page/Frame.h" |
| #include "core/page/FrameView.h" |
| #include "public/platform/WebFloatQuad.h" |
| #include "public/platform/WebString.h" |
| #include "wtf/PassRefPtr.h" |
| |
| using namespace WebCore; |
| |
| namespace WebKit { |
| |
| class WebRangePrivate : public Range { |
| }; |
| |
| void WebRange::reset() |
| { |
| assign(0); |
| } |
| |
| void WebRange::assign(const WebRange& other) |
| { |
| WebRangePrivate* p = const_cast<WebRangePrivate*>(other.m_private); |
| if (p) |
| p->ref(); |
| assign(p); |
| } |
| |
| 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. |
| TrackExceptionState es; |
| RefPtr<Node> node(m_private->startContainer(es)); |
| exceptionCode = es.code(); |
| return node.release(); |
| } |
| |
| WebNode WebRange::endContainer(WebExceptionCode& exceptionCode) const |
| { |
| // FIXME: Create a wrapper class that just sets the internal int. |
| TrackExceptionState es; |
| RefPtr<Node> node(m_private->endContainer(es)); |
| exceptionCode = es.code(); |
| 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(WebFrame* frame, int start, int length) |
| { |
| WebCore::Frame* webFrame = static_cast<WebFrameImpl*>(frame)->frame(); |
| Element* selectionRoot = webFrame->selection()->rootEditableElement(); |
| ContainerNode* scope = selectionRoot ? selectionRoot : webFrame->document()->documentElement(); |
| return TextIterator::rangeFromLocationAndLength(scope, start, length); |
| } |
| |
| WebVector<WebFloatQuad> WebRange::textQuads() const |
| { |
| if (isNull()) |
| return WebVector<WebFloatQuad>(); |
| |
| Frame* frame = m_private->ownerDocument() ? m_private->ownerDocument()->frame() : 0; |
| if (!frame) |
| return WebVector<WebFloatQuad>(); |
| |
| Vector<FloatQuad> quads; |
| m_private->textQuads(quads); |
| for (unsigned i = 0; i < quads.size(); ++i) { |
| quads[i].setP1(frame->view()->contentsToWindow(roundedIntPoint(quads[i].p1()))); |
| quads[i].setP2(frame->view()->contentsToWindow(roundedIntPoint(quads[i].p2()))); |
| quads[i].setP3(frame->view()->contentsToWindow(roundedIntPoint(quads[i].p3()))); |
| quads[i].setP4(frame->view()->contentsToWindow(roundedIntPoint(quads[i].p4()))); |
| } |
| |
| return quads; |
| } |
| |
| WebRange::WebRange(const WTF::PassRefPtr<WebCore::Range>& range) |
| : m_private(static_cast<WebRangePrivate*>(range.leakRef())) |
| { |
| } |
| |
| WebRange& WebRange::operator=(const WTF::PassRefPtr<WebCore::Range>& range) |
| { |
| assign(static_cast<WebRangePrivate*>(range.leakRef())); |
| return *this; |
| } |
| |
| WebRange::operator WTF::PassRefPtr<WebCore::Range>() const |
| { |
| return PassRefPtr<Range>(const_cast<WebRangePrivate*>(m_private)); |
| } |
| |
| void WebRange::assign(WebRangePrivate* p) |
| { |
| // p is already ref'd for us by the caller |
| if (m_private) |
| m_private->deref(); |
| m_private = p; |
| } |
| |
| } // namespace WebKit |