| /* |
| * Copyright (C) 2004, 2006, 2007 Apple 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: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 "third_party/blink/renderer/core/layout/layout_html_canvas.h" |
| |
| #include "third_party/blink/renderer/core/frame/local_frame.h" |
| #include "third_party/blink/renderer/core/frame/local_frame_view.h" |
| #include "third_party/blink/renderer/core/html/canvas/html_canvas_element.h" |
| #include "third_party/blink/renderer/core/layout/layout_view.h" |
| #include "third_party/blink/renderer/core/page/page.h" |
| #include "third_party/blink/renderer/core/paint/html_canvas_painter.h" |
| |
| namespace blink { |
| |
| LayoutHTMLCanvas::LayoutHTMLCanvas(HTMLCanvasElement* element) |
| : LayoutReplaced(element, LayoutSize(element->Size())) { |
| View()->GetFrameView()->SetIsVisuallyNonEmpty(); |
| } |
| |
| PaintLayerType LayoutHTMLCanvas::LayerTypeRequired() const { |
| return kNormalPaintLayer; |
| } |
| |
| void LayoutHTMLCanvas::PaintReplaced(const PaintInfo& paint_info, |
| const PhysicalOffset& paint_offset) const { |
| HTMLCanvasPainter(*this).PaintReplaced(paint_info, paint_offset); |
| } |
| |
| void LayoutHTMLCanvas::CanvasSizeChanged() { |
| IntSize canvas_size = To<HTMLCanvasElement>(GetNode())->Size(); |
| LayoutSize zoomed_size(canvas_size.Width() * StyleRef().EffectiveZoom(), |
| canvas_size.Height() * StyleRef().EffectiveZoom()); |
| |
| if (zoomed_size == IntrinsicSize()) |
| return; |
| |
| SetIntrinsicSize(zoomed_size); |
| |
| if (!Parent()) |
| return; |
| |
| SetIntrinsicLogicalWidthsDirty(); |
| SetNeedsLayout(layout_invalidation_reason::kSizeChanged); |
| } |
| |
| void LayoutHTMLCanvas::InvalidatePaint( |
| const PaintInvalidatorContext& context) const { |
| auto* element = To<HTMLCanvasElement>(GetNode()); |
| if (element->IsDirty()) |
| element->DoDeferredPaintInvalidation(); |
| |
| LayoutReplaced::InvalidatePaint(context); |
| } |
| |
| CompositingReasons LayoutHTMLCanvas::AdditionalCompositingReasons() const { |
| if (To<HTMLCanvasElement>(GetNode())->ShouldBeDirectComposited()) |
| return CompositingReason::kCanvas; |
| return CompositingReason::kNone; |
| } |
| |
| void LayoutHTMLCanvas::StyleDidChange(StyleDifference diff, |
| const ComputedStyle* old_style) { |
| LayoutReplaced::StyleDidChange(diff, old_style); |
| To<HTMLCanvasElement>(GetNode())->StyleDidChange(old_style, StyleRef()); |
| } |
| |
| void LayoutHTMLCanvas::WillBeDestroyed() { |
| LayoutReplaced::WillBeDestroyed(); |
| To<HTMLCanvasElement>(GetNode())->LayoutObjectDestroyed(); |
| } |
| |
| } // namespace blink |