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
36 using namespace WebCore;
37
38 namespace blink {
39
setNeedsDisplayRecursive(GraphicsLayer * layer,PageOverlayList * pageOverlays)40 void 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