1/*
2 * Copyright (C) 2013 Google 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 are
6 * met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. AND ITS CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC.
20 * OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include "config.h"
30#include "ContinuousPainter.h"
31
32#include "PageOverlayList.h"
33#include "platform/TraceEvent.h"
34#include "platform/graphics/GraphicsLayer.h"
35
36using namespace WebCore;
37
38namespace blink {
39
40void ContinuousPainter::setNeedsDisplayRecursive(GraphicsLayer* layer, PageOverlayList* pageOverlays)
41{
42    if (!layer)
43        return;
44
45    if (pageOverlays && pageOverlays->findGraphicsLayer(layer) != WTF::kNotFound)
46        return;
47
48    TRACE_EVENT0("webkit", "ContinuousPainter::setNeedsDisplayRecursive");
49    layer->setNeedsDisplay();
50
51    setNeedsDisplayRecursive(layer->maskLayer(), pageOverlays);
52    setNeedsDisplayRecursive(layer->contentsClippingMaskLayer(), pageOverlays);
53    setNeedsDisplayRecursive(layer->replicaLayer(), pageOverlays);
54
55    const Vector<GraphicsLayer*>& children = layer->children();
56    Vector<GraphicsLayer*>::const_iterator it;
57    for (it = children.begin(); it != children.end(); ++it)
58        setNeedsDisplayRecursive(*it, pageOverlays);
59}
60
61} // namespace blink
62