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 "ActivityState.h"
28
29#include <wtf/text/TextStream.h>
30
31namespace WebCore {
32
33TextStream& operator<<(TextStream& ts, OptionSet<ActivityState::Flag> flags)
34{
35 bool didAppend = false;
36
37 auto appendIf = [&](auto flag, auto message) {
38 if (!flags.contains(flag))
39 return;
40 if (didAppend)
41 ts << ", ";
42 ts << message;
43 didAppend = true;
44 };
45
46 appendIf(ActivityState::WindowIsActive, "active window");
47 appendIf(ActivityState::IsFocused, "focused");
48 appendIf(ActivityState::IsVisible, "visible");
49 appendIf(ActivityState::IsVisibleOrOccluded, "visible or occluded");
50 appendIf(ActivityState::IsInWindow, "in-window");
51 appendIf(ActivityState::IsVisuallyIdle, "visually idle");
52 appendIf(ActivityState::IsAudible, "audible");
53 appendIf(ActivityState::IsLoading, "loading");
54 appendIf(ActivityState::IsCapturingMedia, "capturing media");
55
56 return ts;
57}
58
59} // namespace WebCore
60