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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "modules/sensor/Sensor.h" | 5 #include "modules/sensor/Sensor.h" |
6 | 6 |
7 #include "core/dom/Document.h" | 7 #include "core/dom/Document.h" |
8 #include "core/dom/ExceptionCode.h" | 8 #include "core/dom/ExceptionCode.h" |
9 #include "core/dom/ExecutionContextTask.h" | 9 #include "core/dom/ExecutionContextTask.h" |
10 #include "core/dom/TaskRunnerHelper.h" | 10 #include "core/dom/TaskRunnerHelper.h" |
11 #include "core/inspector/ConsoleMessage.h" | 11 #include "core/inspector/ConsoleMessage.h" |
12 #include "core/timing/DOMWindowPerformance.h" | 12 #include "core/timing/DOMWindowPerformance.h" |
13 #include "core/timing/Performance.h" | 13 #include "core/timing/Performance.h" |
14 #include "device/generic_sensor/public/interfaces/sensor.mojom-blink.h" | 14 #include "device/generic_sensor/public/interfaces/sensor.mojom-blink.h" |
15 #include "modules/sensor/SensorErrorEvent.h" | 15 #include "modules/sensor/SensorErrorEvent.h" |
16 #include "modules/sensor/SensorProviderProxy.h" | 16 #include "modules/sensor/SensorProviderProxy.h" |
17 | 17 |
18 using namespace device::mojom::blink; | 18 using namespace device::mojom::blink; |
19 | 19 |
20 namespace blink { | 20 namespace blink { |
21 | 21 |
22 Sensor::Sensor(ExecutionContext* executionContext, | 22 Sensor::Sensor(ExecutionContext* executionContext, |
23 const SensorOptions& sensorOptions, | 23 const SensorOptions& sensorOptions, |
24 ExceptionState& exceptionState, | 24 ExceptionState& exceptionState, |
25 SensorType type) | 25 SensorType type) |
26 : ContextLifecycleObserver(executionContext), | 26 : ContextLifecycleObserver(executionContext), |
27 m_sensorOptions(sensorOptions), | 27 m_sensorOptions(sensorOptions), |
28 m_type(type), | 28 m_type(type), |
29 m_state(Sensor::SensorState::Idle), | 29 m_state(Sensor::SensorState::Unconnected), |
30 m_lastUpdateTimestamp(0.0) { | 30 m_lastUpdateTimestamp(0.0) { |
31 // Check secure context. | 31 // Check secure context. |
32 String errorMessage; | 32 String errorMessage; |
33 if (!executionContext->isSecureContext(errorMessage)) { | 33 if (!executionContext->isSecureContext(errorMessage)) { |
34 exceptionState.throwDOMException(SecurityError, errorMessage); | 34 exceptionState.throwDOMException(SecurityError, errorMessage); |
35 return; | 35 return; |
36 } | 36 } |
37 | 37 |
38 // Check top-level browsing context. | 38 // Check top-level browsing context. |
39 if (!toDocument(executionContext)->domWindow()->frame() || | 39 if (!toDocument(executionContext)->domWindow()->frame() || |
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56 ConsoleMessage* consoleMessage = ConsoleMessage::create( | 56 ConsoleMessage* consoleMessage = ConsoleMessage::create( |
57 JSMessageSource, InfoMessageLevel, "Frequency is limited to 60 Hz."); | 57 JSMessageSource, InfoMessageLevel, "Frequency is limited to 60 Hz."); |
58 executionContext->addConsoleMessage(consoleMessage); | 58 executionContext->addConsoleMessage(consoleMessage); |
59 } | 59 } |
60 } | 60 } |
61 } | 61 } |
62 | 62 |
63 Sensor::~Sensor() = default; | 63 Sensor::~Sensor() = default; |
64 | 64 |
65 void Sensor::start(ScriptState* scriptState, ExceptionState& exceptionState) { | 65 void Sensor::start(ScriptState* scriptState, ExceptionState& exceptionState) { |
66 if (m_state != Sensor::SensorState::Idle && | 66 if (m_state != Sensor::SensorState::Unconnected && |
| 67 m_state != Sensor::SensorState::Idle && |
67 m_state != Sensor::SensorState::Errored) | 68 m_state != Sensor::SensorState::Errored) |
68 return; | 69 return; |
69 | 70 |
70 initSensorProxyIfNeeded(); | 71 initSensorProxyIfNeeded(); |
71 | 72 |
72 if (!m_sensorProxy) { | 73 if (!m_sensorProxy) { |
73 exceptionState.throwDOMException( | 74 exceptionState.throwDOMException( |
74 InvalidStateError, "The Sensor is no longer associated to a frame."); | 75 InvalidStateError, "The Sensor is no longer associated to a frame."); |
75 return; | 76 return; |
76 } | 77 } |
77 m_lastUpdateTimestamp = WTF::monotonicallyIncreasingTime(); | 78 m_lastUpdateTimestamp = WTF::monotonicallyIncreasingTime(); |
78 startListening(); | 79 startListening(); |
79 } | 80 } |
80 | 81 |
81 void Sensor::stop(ScriptState*, ExceptionState& exceptionState) { | 82 void Sensor::stop(ScriptState*, ExceptionState& exceptionState) { |
82 if (m_state == Sensor::SensorState::Idle || | 83 if (m_state == Sensor::SensorState::Unconnected || |
| 84 m_state == Sensor::SensorState::Idle || |
83 m_state == Sensor::SensorState::Errored) | 85 m_state == Sensor::SensorState::Errored) |
84 return; | 86 return; |
85 | 87 |
86 stopListening(); | 88 stopListening(); |
87 } | 89 } |
88 | 90 |
89 static String ToString(Sensor::SensorState state) { | 91 static String ToString(Sensor::SensorState state) { |
90 switch (state) { | 92 switch (state) { |
91 case Sensor::SensorState::Idle: | 93 case Sensor::SensorState::Unconnected: |
92 return "idle"; | 94 return "unconnected"; |
93 case Sensor::SensorState::Activating: | 95 case Sensor::SensorState::Activating: |
94 return "activating"; | 96 return "activating"; |
95 case Sensor::SensorState::Activated: | 97 case Sensor::SensorState::Activated: |
96 return "activated"; | 98 return "activated"; |
| 99 case Sensor::SensorState::Idle: |
| 100 return "idle"; |
97 case Sensor::SensorState::Errored: | 101 case Sensor::SensorState::Errored: |
98 return "errored"; | 102 return "errored"; |
99 default: | 103 default: |
100 NOTREACHED(); | 104 NOTREACHED(); |
101 } | 105 } |
102 return "idle"; | 106 return "idle"; |
103 } | 107 } |
104 | 108 |
105 // Getters | 109 // Getters |
106 String Sensor::state() const { | 110 String Sensor::state() const { |
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130 } | 134 } |
131 | 135 |
132 DEFINE_TRACE(Sensor) { | 136 DEFINE_TRACE(Sensor) { |
133 visitor->trace(m_sensorProxy); | 137 visitor->trace(m_sensorProxy); |
134 ActiveScriptWrappable::trace(visitor); | 138 ActiveScriptWrappable::trace(visitor); |
135 ContextLifecycleObserver::trace(visitor); | 139 ContextLifecycleObserver::trace(visitor); |
136 EventTargetWithInlineData::trace(visitor); | 140 EventTargetWithInlineData::trace(visitor); |
137 } | 141 } |
138 | 142 |
139 bool Sensor::hasPendingActivity() const { | 143 bool Sensor::hasPendingActivity() const { |
140 if (m_state == Sensor::SensorState::Idle || | 144 if (m_state == Sensor::SensorState::Unconnected || |
| 145 m_state == Sensor::SensorState::Idle || |
141 m_state == Sensor::SensorState::Errored) | 146 m_state == Sensor::SensorState::Errored) |
142 return false; | 147 return false; |
143 return getExecutionContext() && hasEventListeners(); | 148 return getExecutionContext() && hasEventListeners(); |
144 } | 149 } |
145 | 150 |
146 auto Sensor::createSensorConfig() -> SensorConfigurationPtr { | 151 auto Sensor::createSensorConfig() -> SensorConfigurationPtr { |
147 auto result = SensorConfiguration::New(); | 152 auto result = SensorConfiguration::New(); |
148 | 153 |
149 double defaultFrequency = m_sensorProxy->defaultConfig()->frequency; | 154 double defaultFrequency = m_sensorProxy->defaultConfig()->frequency; |
150 double maximumFrequency = m_sensorProxy->maximumFrequency(); | 155 double maximumFrequency = m_sensorProxy->maximumFrequency(); |
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316 } | 321 } |
317 | 322 |
318 bool Sensor::canReturnReadings() const { | 323 bool Sensor::canReturnReadings() const { |
319 if (m_state != Sensor::SensorState::Activated) | 324 if (m_state != Sensor::SensorState::Activated) |
320 return false; | 325 return false; |
321 DCHECK(m_sensorProxy); | 326 DCHECK(m_sensorProxy); |
322 return m_sensorProxy->reading().timestamp != 0.0; | 327 return m_sensorProxy->reading().timestamp != 0.0; |
323 } | 328 } |
324 | 329 |
325 } // namespace blink | 330 } // namespace blink |
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