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| 1 /* | |
| 2 * Copyright 2009, The Android Open Source Project | |
| 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 * * Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * * 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 THE COPYRIGHT HOLDERS ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #include "config.h" | |
| 27 #include "bindings/modules/v8/V8Geolocation.h" | |
| 28 | |
| 29 #include "bindings/modules/v8/V8PositionCallback.h" | |
| 30 #include "bindings/modules/v8/V8PositionErrorCallback.h" | |
| 31 #include "bindings/v8/V8Binding.h" | |
| 32 #include "bindings/v8/V8Callback.h" | |
| 33 #include "modules/geolocation/Geolocation.h" | |
| 34 | |
| 35 using namespace WTF; | |
| 36 | |
| 37 namespace WebCore { | |
| 38 | |
| 39 static PositionOptions* createPositionOptions(v8::Local<v8::Value> value, v8::Is
olate* isolate, bool& succeeded, ExceptionState& exceptionState) | |
| 40 { | |
| 41 succeeded = true; | |
| 42 | |
| 43 // Create default options. | |
| 44 PositionOptions* options = PositionOptions::create(); | |
| 45 | |
| 46 // Argument is optional (hence undefined is allowed), and null is allowed. | |
| 47 if (isUndefinedOrNull(value)) { | |
| 48 // Use default options. | |
| 49 return options; | |
| 50 } | |
| 51 | |
| 52 // Given the above test, this will always yield an object. | |
| 53 v8::Local<v8::Object> object = value->ToObject(); | |
| 54 | |
| 55 // For all three properties, we apply the following ... | |
| 56 // - If the getter or the property's valueOf method throws an exception, we | |
| 57 // quit so as not to risk overwriting the exception. | |
| 58 // - If the value is absent or undefined, we don't override the default. | |
| 59 v8::Local<v8::Value> enableHighAccuracyValue = object->Get(v8AtomicString(is
olate, "enableHighAccuracy")); | |
| 60 if (enableHighAccuracyValue.IsEmpty()) { | |
| 61 succeeded = false; | |
| 62 return nullptr; | |
| 63 } | |
| 64 if (!enableHighAccuracyValue->IsUndefined()) { | |
| 65 v8::Local<v8::Boolean> enableHighAccuracyBoolean = enableHighAccuracyVal
ue->ToBoolean(); | |
| 66 if (enableHighAccuracyBoolean.IsEmpty()) { | |
| 67 succeeded = false; | |
| 68 return nullptr; | |
| 69 } | |
| 70 options->setEnableHighAccuracy(enableHighAccuracyBoolean->Value()); | |
| 71 } | |
| 72 | |
| 73 v8::Local<v8::Value> timeoutValue = object->Get(v8AtomicString(isolate, "tim
eout")); | |
| 74 if (timeoutValue.IsEmpty()) { | |
| 75 succeeded = false; | |
| 76 return nullptr; | |
| 77 } | |
| 78 if (!timeoutValue->IsUndefined()) { | |
| 79 v8::Local<v8::Number> timeoutNumber = timeoutValue->ToNumber(); | |
| 80 if (timeoutNumber.IsEmpty()) { | |
| 81 succeeded = false; | |
| 82 return nullptr; | |
| 83 } | |
| 84 if (timeoutNumber->Value() <= 0) | |
| 85 options->setTimeout(0); | |
| 86 else | |
| 87 options->setTimeout(toUInt32(timeoutValue, Clamp, exceptionState)); | |
| 88 } | |
| 89 | |
| 90 v8::Local<v8::Value> maximumAgeValue = object->Get(v8AtomicString(isolate, "
maximumAge")); | |
| 91 if (maximumAgeValue.IsEmpty()) { | |
| 92 succeeded = false; | |
| 93 return nullptr; | |
| 94 } | |
| 95 if (!maximumAgeValue->IsUndefined()) { | |
| 96 v8::Local<v8::Number> maximumAgeNumber = maximumAgeValue->ToNumber(); | |
| 97 if (maximumAgeNumber.IsEmpty()) { | |
| 98 succeeded = false; | |
| 99 return nullptr; | |
| 100 } | |
| 101 if (maximumAgeNumber->Value() <= 0) | |
| 102 options->setMaximumAge(0); | |
| 103 else | |
| 104 options->setMaximumAge(toUInt32(maximumAgeValue, Clamp, exceptionSta
te)); | |
| 105 } | |
| 106 | |
| 107 return options; | |
| 108 } | |
| 109 | |
| 110 void V8Geolocation::getCurrentPositionMethodCustom(const v8::FunctionCallbackInf
o<v8::Value>& info) | |
| 111 { | |
| 112 bool succeeded = false; | |
| 113 | |
| 114 ExceptionState exceptionState(ExceptionState::ExecutionContext, "getCurrentP
osition", "Geolocation", info.Holder(), info.GetIsolate()); | |
| 115 | |
| 116 OwnPtr<PositionCallback> positionCallback = createFunctionOnlyCallback<V8Pos
itionCallback>(info[0], 1, succeeded, info.GetIsolate(), exceptionState); | |
| 117 if (!succeeded) | |
| 118 return; | |
| 119 ASSERT(positionCallback); | |
| 120 | |
| 121 // Argument is optional (hence undefined is allowed), and null is allowed. | |
| 122 OwnPtr<PositionErrorCallback> positionErrorCallback = createFunctionOnlyCall
back<V8PositionErrorCallback>(info[1], 2, succeeded, info.GetIsolate(), exceptio
nState, CallbackAllowUndefined | CallbackAllowNull); | |
| 123 if (!succeeded) | |
| 124 return; | |
| 125 | |
| 126 PositionOptions* positionOptions = createPositionOptions(info[2], info.GetIs
olate(), succeeded, exceptionState); | |
| 127 if (!succeeded) | |
| 128 return; | |
| 129 ASSERT(positionOptions); | |
| 130 | |
| 131 Geolocation* geolocation = V8Geolocation::toNative(info.Holder()); | |
| 132 geolocation->getCurrentPosition(positionCallback.release(), positionErrorCal
lback.release(), positionOptions); | |
| 133 } | |
| 134 | |
| 135 void V8Geolocation::watchPositionMethodCustom(const v8::FunctionCallbackInfo<v8:
:Value>& info) | |
| 136 { | |
| 137 bool succeeded = false; | |
| 138 | |
| 139 ExceptionState exceptionState(ExceptionState::ExecutionContext, "watchCurren
tPosition", "Geolocation", info.Holder(), info.GetIsolate()); | |
| 140 | |
| 141 OwnPtr<PositionCallback> positionCallback = createFunctionOnlyCallback<V8Pos
itionCallback>(info[0], 1, succeeded, info.GetIsolate(), exceptionState); | |
| 142 if (!succeeded) | |
| 143 return; | |
| 144 ASSERT(positionCallback); | |
| 145 | |
| 146 // Argument is optional (hence undefined is allowed), and null is allowed. | |
| 147 OwnPtr<PositionErrorCallback> positionErrorCallback = createFunctionOnlyCall
back<V8PositionErrorCallback>(info[1], 2, succeeded, info.GetIsolate(), exceptio
nState, CallbackAllowUndefined | CallbackAllowNull); | |
| 148 if (!succeeded) | |
| 149 return; | |
| 150 | |
| 151 PositionOptions* positionOptions = createPositionOptions(info[2], info.GetIs
olate(), succeeded, exceptionState); | |
| 152 if (!succeeded) | |
| 153 return; | |
| 154 ASSERT(positionOptions); | |
| 155 | |
| 156 Geolocation* geolocation = V8Geolocation::toNative(info.Holder()); | |
| 157 int watchId = geolocation->watchPosition(positionCallback.release(), positio
nErrorCallback.release(), positionOptions); | |
| 158 v8SetReturnValue(info, watchId); | |
| 159 } | |
| 160 | |
| 161 } // namespace WebCore | |
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Chromium Code Reviews
Issue 336343002:
Use "Dictionary" for PositionOptions instead of Custom binding (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master