1 | /* |
2 | * Copyright (C) 2015 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 | * |
8 | * 1. Redistributions of source code must retain the above copyright |
9 | * notice, this list of conditions and the following disclaimer. |
10 | * 2. Redistributions in binary form must reproduce the above copyright |
11 | * notice, this list of conditions and the following disclaimer in the |
12 | * documentation and/or other materials provided with the distribution. |
13 | * 3. Neither the name of Apple Inc. ("Apple") nor the names of |
14 | * its contributors may be used to endorse or promote products derived |
15 | * from this software without specific prior written permission. |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
18 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
19 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
20 | * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
21 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
22 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
23 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
24 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
28 | |
29 | #include "config.h" |
30 | #include "WheelEventTestTrigger.h" |
31 | |
32 | #include "Logging.h" |
33 | |
34 | #if !LOG_DISABLED |
35 | #include <wtf/text/CString.h> |
36 | #include <wtf/text/StringBuilder.h> |
37 | #endif |
38 | |
39 | namespace WebCore { |
40 | |
41 | WheelEventTestTrigger::WheelEventTestTrigger() |
42 | : m_testTriggerTimer(RunLoop::current(), this, &WheelEventTestTrigger::triggerTestTimerFired) |
43 | { |
44 | } |
45 | |
46 | void WheelEventTestTrigger::clearAllTestDeferrals() |
47 | { |
48 | std::lock_guard<Lock> lock(m_testTriggerMutex); |
49 | m_deferTestTriggerReasons.clear(); |
50 | m_testNotificationCallback = nullptr; |
51 | m_testTriggerTimer.stop(); |
52 | LOG(WheelEventTestTriggers, " (=) WheelEventTestTrigger::clearAllTestDeferrals: cleared all test state." ); |
53 | } |
54 | |
55 | void WheelEventTestTrigger::setTestCallbackAndStartNotificationTimer(WTF::Function<void()>&& functionCallback) |
56 | { |
57 | { |
58 | std::lock_guard<Lock> lock(m_testTriggerMutex); |
59 | m_testNotificationCallback = WTFMove(functionCallback); |
60 | } |
61 | |
62 | if (!m_testTriggerTimer.isActive()) |
63 | m_testTriggerTimer.startRepeating(1_s / 60.); |
64 | } |
65 | |
66 | void WheelEventTestTrigger::deferTestsForReason(ScrollableAreaIdentifier identifier, DeferTestTriggerReason reason) |
67 | { |
68 | std::lock_guard<Lock> lock(m_testTriggerMutex); |
69 | auto it = m_deferTestTriggerReasons.find(identifier); |
70 | if (it == m_deferTestTriggerReasons.end()) |
71 | it = m_deferTestTriggerReasons.add(identifier, DeferTestTriggerReasonSet()).iterator; |
72 | |
73 | LOG(WheelEventTestTriggers, " (=) WheelEventTestTrigger::deferTestsForReason: id=%p, reason=%d" , identifier, reason); |
74 | it->value.insert(reason); |
75 | } |
76 | |
77 | void WheelEventTestTrigger::removeTestDeferralForReason(ScrollableAreaIdentifier identifier, DeferTestTriggerReason reason) |
78 | { |
79 | std::lock_guard<Lock> lock(m_testTriggerMutex); |
80 | auto it = m_deferTestTriggerReasons.find(identifier); |
81 | if (it == m_deferTestTriggerReasons.end()) |
82 | return; |
83 | |
84 | LOG(WheelEventTestTriggers, " (=) WheelEventTestTrigger::removeTestDeferralForReason: id=%p, reason=%d" , identifier, reason); |
85 | it->value.erase(reason); |
86 | |
87 | if (it->value.empty()) |
88 | m_deferTestTriggerReasons.remove(it); |
89 | } |
90 | |
91 | #if !LOG_DISABLED |
92 | |
93 | static void dumpState(WTF::HashMap<WheelEventTestTrigger::ScrollableAreaIdentifier, WheelEventTestTrigger::DeferTestTriggerReasonSet> reasons) |
94 | { |
95 | LOG(WheelEventTestTriggers, " WheelEventTestTrigger::dumpState:" ); |
96 | for (const auto& scrollRegion : reasons) { |
97 | LOG(WheelEventTestTriggers, " For scroll region %p" , scrollRegion.key); |
98 | StringBuilder reasons; |
99 | for (const auto& reason : scrollRegion.value) { |
100 | if (!reasons.isEmpty()) |
101 | reasons.appendLiteral(", " ); |
102 | reasons.appendNumber(static_cast<unsigned>(reason)); |
103 | } |
104 | LOG(WheelEventTestTriggers, " Reasons: %s" , reasons.toString().utf8().data()); |
105 | } |
106 | } |
107 | |
108 | #endif |
109 | |
110 | void WheelEventTestTrigger::triggerTestTimerFired() |
111 | { |
112 | WTF::Function<void()> functionCallback; |
113 | |
114 | { |
115 | std::lock_guard<Lock> lock(m_testTriggerMutex); |
116 | if (!m_deferTestTriggerReasons.isEmpty()) { |
117 | #if !LOG_DISABLED |
118 | if (isLogChannelEnabled("WheelEventTestTriggers" )) |
119 | dumpState(m_deferTestTriggerReasons); |
120 | #endif |
121 | return; |
122 | } |
123 | |
124 | functionCallback = WTFMove(m_testNotificationCallback); |
125 | } |
126 | |
127 | m_testTriggerTimer.stop(); |
128 | |
129 | LOG(WheelEventTestTriggers, " WheelEventTestTrigger::triggerTestTimerFired: FIRING TEST" ); |
130 | if (functionCallback) |
131 | functionCallback(); |
132 | } |
133 | |
134 | } |
135 | |