15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2008 Apple Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * are met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 1. Redistributions of source code must retain the above copyright 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 2. Redistributions in binary form must reproduce the above copyright 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer in the 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * documentation and/or other materials provided with the distribution. 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 2753e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/css/CSSCanvasValue.h" 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2953e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/rendering/RenderObject.h" 30e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch#include "wtf/text/StringBuilder.h" 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 32c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)CSSCanvasValue::~CSSCanvasValue() 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 36d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles)#if !ENABLE(OILPAN) 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (m_element) 38d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) m_element->removeObserver(m_canvasObserver.get()); 39d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles)#endif 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 42bfe3590b1806e3ff18f46ee3af5d4b83078f305aTorne (Richard Coles)String CSSCanvasValue::customCSSText() const 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) StringBuilder result; 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) result.appendLiteral("-webkit-canvas("); 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) result.append(m_name); 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) result.append(')'); 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return result.toString(); 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void CSSCanvasValue::canvasChanged(HTMLCanvasElement*, const FloatRect& changedRect) 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) IntRect imageChangeRect = enclosingIntRect(changedRect); 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) RenderObjectSizeCountMap::const_iterator end = clients().end(); 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) for (RenderObjectSizeCountMap::const_iterator curr = clients().begin(); curr != end; ++curr) 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const_cast<RenderObject*>(curr->key)->imageChanged(static_cast<WrappedImagePtr>(this), &imageChangeRect); 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void CSSCanvasValue::canvasResized(HTMLCanvasElement*) 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) RenderObjectSizeCountMap::const_iterator end = clients().end(); 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) for (RenderObjectSizeCountMap::const_iterator curr = clients().begin(); curr != end; ++curr) 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const_cast<RenderObject*>(curr->key)->imageChanged(static_cast<WrappedImagePtr>(this)); 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 66d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles)#if !ENABLE(OILPAN) 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void CSSCanvasValue::canvasDestroyed(HTMLCanvasElement* element) 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT_UNUSED(element, element == m_element); 70d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) m_element = nullptr; 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 72d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles)#endif 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)IntSize CSSCanvasValue::fixedSize(const RenderObject* renderer) 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 768abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) if (HTMLCanvasElement* elt = element(&renderer->document())) 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return IntSize(elt->width(), elt->height()); 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return IntSize(); 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)HTMLCanvasElement* CSSCanvasValue::element(Document* document) 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!m_element) { 84d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) m_element = &document->getCSSCanvasElement(m_name); 85d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) m_element->addObserver(m_canvasObserver.get()); 865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return m_element; 885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)PassRefPtr<Image> CSSCanvasValue::image(RenderObject* renderer, const IntSize& /*size*/) 915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(clients().contains(renderer)); 938abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) HTMLCanvasElement* elt = element(&renderer->document()); 945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!elt || !elt->buffer()) 95d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) return nullptr; 965c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return elt->copiedImage(); 975c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 99926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)bool CSSCanvasValue::equals(const CSSCanvasValue& other) const 100926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles){ 101926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) return m_name == other.m_name; 102926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)} 103926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 104d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles)void CSSCanvasValue::traceAfterDispatch(Visitor* visitor) 105d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles){ 106d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) visitor->trace(m_canvasObserver); 107d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) visitor->trace(m_element); 108d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) CSSImageGeneratorValue::traceAfterDispatch(visitor); 109d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles)} 110d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) 111c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 112