1/*
2 * Copyright (C) 2018 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 INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "CanvasActivityRecord.h"
28
29const unsigned maximumNumberOfStringsToRecord = 10;
30namespace WebCore {
31bool CanvasActivityRecord::recordWrittenOrMeasuredText(const String& text)
32{
33 // We limit the size of the textWritten HashSet to save memory and prevent bloating
34 // the plist with the resourceLoadStatistics entries. A few strings is often enough
35 // to provide sufficient information about the state of canvas activity.
36 if (textWritten.size() >= maximumNumberOfStringsToRecord)
37 return false;
38 return textWritten.add(text).isNewEntry;
39}
40
41void CanvasActivityRecord::mergeWith(const CanvasActivityRecord& otherCanvasActivityRecord)
42{
43 textWritten.add(otherCanvasActivityRecord.textWritten.begin(), otherCanvasActivityRecord.textWritten.end());
44 wasDataRead |= otherCanvasActivityRecord.wasDataRead;
45}
46} // namespace WebCore
47