hyatt@apple.com | 6838215 | 2008-04-17 04:13:36 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 Apple Inc. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * 1. Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in the |
| 11 | * documentation and/or other materials provided with the distribution. |
| 12 | * |
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 | */ |
| 25 | |
| 26 | #include "config.h" |
| 27 | #include "CSSCanvasValue.h" |
| 28 | |
| 29 | #include "ImageBuffer.h" |
| 30 | #include "RenderObject.h" |
| 31 | |
| 32 | namespace WebCore { |
| 33 | |
| 34 | CSSCanvasValue::~CSSCanvasValue() |
| 35 | { |
| 36 | if (m_element) |
| 37 | m_element->setObserver(0); |
| 38 | } |
| 39 | |
| 40 | String CSSCanvasValue::cssText() const |
| 41 | { |
| 42 | String result = "-webkit-canvas("; |
| 43 | result += m_name + ")"; |
| 44 | return result; |
| 45 | } |
| 46 | |
darin@apple.com | 98a7ac6 | 2009-01-05 17:26:53 +0000 | [diff] [blame^] | 47 | void CSSCanvasValue::canvasChanged(HTMLCanvasElement*, const FloatRect& changedRect) |
hyatt@apple.com | 6838215 | 2008-04-17 04:13:36 +0000 | [diff] [blame] | 48 | { |
simon.fraser@apple.com | f7d140d | 2009-01-02 21:04:27 +0000 | [diff] [blame] | 49 | IntRect imageChangeRect = enclosingIntRect(changedRect); |
hyatt@apple.com | 6838215 | 2008-04-17 04:13:36 +0000 | [diff] [blame] | 50 | HashMap<RenderObject*, IntSize>::const_iterator end = m_clients.end(); |
| 51 | for (HashMap<RenderObject*, IntSize>::const_iterator curr = m_clients.begin(); curr != end; ++curr) |
simon.fraser@apple.com | f7d140d | 2009-01-02 21:04:27 +0000 | [diff] [blame] | 52 | curr->first->imageChanged(static_cast<WrappedImagePtr>(this), &imageChangeRect); |
hyatt@apple.com | 6838215 | 2008-04-17 04:13:36 +0000 | [diff] [blame] | 53 | } |
| 54 | |
darin@apple.com | 98a7ac6 | 2009-01-05 17:26:53 +0000 | [diff] [blame^] | 55 | void CSSCanvasValue::canvasResized(HTMLCanvasElement*) |
hyatt@apple.com | 6838215 | 2008-04-17 04:13:36 +0000 | [diff] [blame] | 56 | { |
| 57 | HashMap<RenderObject*, IntSize>::const_iterator end = m_clients.end(); |
| 58 | for (HashMap<RenderObject*, IntSize>::const_iterator curr = m_clients.begin(); curr != end; ++curr) |
| 59 | curr->first->imageChanged(static_cast<WrappedImagePtr>(this)); |
| 60 | } |
| 61 | |
| 62 | IntSize CSSCanvasValue::fixedSize(const RenderObject* renderer) |
| 63 | { |
| 64 | if (HTMLCanvasElement* elt = element(renderer->document())) |
| 65 | return IntSize(elt->width(), elt->height()); |
| 66 | return IntSize(); |
| 67 | } |
| 68 | |
| 69 | HTMLCanvasElement* CSSCanvasValue::element(Document* document) |
| 70 | { |
| 71 | if (!m_element) { |
| 72 | m_element = document->getCSSCanvasElement(m_name); |
| 73 | if (!m_element) |
| 74 | return 0; |
| 75 | m_element->setObserver(this); |
| 76 | } |
mitz@apple.com | 92dc01a | 2008-10-02 18:48:33 +0000 | [diff] [blame] | 77 | return m_element; |
hyatt@apple.com | 6838215 | 2008-04-17 04:13:36 +0000 | [diff] [blame] | 78 | } |
| 79 | |
| 80 | Image* CSSCanvasValue::image(RenderObject* renderer, const IntSize& /*size*/) |
| 81 | { |
| 82 | ASSERT(m_clients.contains(renderer)); |
| 83 | HTMLCanvasElement* elt = element(renderer->document()); |
| 84 | if (!elt || !elt->buffer()) |
| 85 | return 0; |
| 86 | return elt->buffer()->image(); |
| 87 | } |
| 88 | |
| 89 | } // namespace WebCore |