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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "modules/csspaint/CSSPaintImageGeneratorImpl.h" |
| 6 |
| 7 #include "core/dom/Document.h" |
| 8 #include "core/frame/LocalDOMWindow.h" |
| 9 #include "modules/csspaint/CSSPaintDefinition.h" |
| 10 #include "modules/csspaint/PaintWorklet.h" |
| 11 #include "modules/csspaint/WindowPaintWorklet.h" |
| 12 #include "platform/graphics/Image.h" |
| 13 |
| 14 namespace blink { |
| 15 |
| 16 CSSPaintImageGenerator* CSSPaintImageGeneratorImpl::create(const String& name, D
ocument& document, Observer* observer) |
| 17 { |
| 18 LocalDOMWindow* domWindow = document.domWindow(); |
| 19 PaintWorklet* paintWorklet = WindowPaintWorklet::from(*domWindow).paintWorkl
et(&document); |
| 20 |
| 21 CSSPaintDefinition* paintDefinition = paintWorklet->findDefinition(name); |
| 22 CSSPaintImageGeneratorImpl* generator; |
| 23 if (!paintDefinition) { |
| 24 generator = new CSSPaintImageGeneratorImpl(observer); |
| 25 paintWorklet->addPendingGenerator(name, generator); |
| 26 } else { |
| 27 generator = new CSSPaintImageGeneratorImpl(paintDefinition); |
| 28 } |
| 29 |
| 30 return generator; |
| 31 } |
| 32 |
| 33 CSSPaintImageGeneratorImpl::CSSPaintImageGeneratorImpl(CSSPaintDefinition* defin
ition) |
| 34 : m_definition(definition) |
| 35 { |
| 36 } |
| 37 |
| 38 CSSPaintImageGeneratorImpl::CSSPaintImageGeneratorImpl(Observer* observer) |
| 39 : m_observer(observer) |
| 40 { |
| 41 } |
| 42 |
| 43 CSSPaintImageGeneratorImpl::~CSSPaintImageGeneratorImpl() |
| 44 { |
| 45 } |
| 46 |
| 47 void CSSPaintImageGeneratorImpl::setDefinition(CSSPaintDefinition* definition) |
| 48 { |
| 49 ASSERT(!m_definition); |
| 50 m_definition = definition; |
| 51 |
| 52 ASSERT(m_observer); |
| 53 m_observer->paintImageGeneratorReady(); |
| 54 } |
| 55 |
| 56 PassRefPtr<Image> CSSPaintImageGeneratorImpl::paint(const IntSize& size) |
| 57 { |
| 58 return m_definition ? m_definition->paint(size) : nullptr; |
| 59 } |
| 60 |
| 61 DEFINE_TRACE(CSSPaintImageGeneratorImpl) |
| 62 { |
| 63 visitor->trace(m_definition); |
| 64 visitor->trace(m_observer); |
| 65 CSSPaintImageGenerator::trace(visitor); |
| 66 } |
| 67 |
| 68 } // namespace blink |
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