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author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
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committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/bindings/v8/custom/V8DeviceMotionEventCustom.cpp | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/bindings/v8/custom/V8DeviceMotionEventCustom.cpp')
-rw-r--r-- | Source/WebCore/bindings/v8/custom/V8DeviceMotionEventCustom.cpp | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/Source/WebCore/bindings/v8/custom/V8DeviceMotionEventCustom.cpp b/Source/WebCore/bindings/v8/custom/V8DeviceMotionEventCustom.cpp new file mode 100644 index 0000000..f7a03f9 --- /dev/null +++ b/Source/WebCore/bindings/v8/custom/V8DeviceMotionEventCustom.cpp @@ -0,0 +1,184 @@ +/* + * Copyright (C) 2010 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" +#include "V8DeviceMotionEvent.h" + +#if ENABLE(DEVICE_ORIENTATION) + +#include "DeviceMotionData.h" +#include "V8Binding.h" +#include "V8BindingMacros.h" +#include "V8Proxy.h" + +#include <v8.h> + +namespace WebCore { + +namespace { + +v8::Handle<v8::Value> createAccelerationObject(const DeviceMotionData::Acceleration* acceleration) +{ + v8::Local<v8::Object> object = v8::Object::New(); + object->Set(v8::String::New("x"), acceleration->canProvideX() ? v8::Number::New(acceleration->x()) : v8::Null()); + object->Set(v8::String::New("y"), acceleration->canProvideY() ? v8::Number::New(acceleration->y()) : v8::Null()); + object->Set(v8::String::New("z"), acceleration->canProvideZ() ? v8::Number::New(acceleration->z()) : v8::Null()); + return object; +} + +v8::Handle<v8::Value> createRotationRateObject(const DeviceMotionData::RotationRate* rotationRate) +{ + v8::Local<v8::Object> object = v8::Object::New(); + object->Set(v8::String::New("alpha"), rotationRate->canProvideAlpha() ? v8::Number::New(rotationRate->alpha()) : v8::Null()); + object->Set(v8::String::New("beta"), rotationRate->canProvideBeta() ? v8::Number::New(rotationRate->beta()) : v8::Null()); + object->Set(v8::String::New("gamma"), rotationRate->canProvideGamma() ? v8::Number::New(rotationRate->gamma()) : v8::Null()); + return object; +} + +RefPtr<DeviceMotionData::Acceleration> readAccelerationArgument(v8::Local<v8::Value> value) +{ + if (isUndefinedOrNull(value)) + return 0; + + // Given the test above, this will always yield an object. + v8::Local<v8::Object> object = value->ToObject(); + + v8::Local<v8::Value> xValue = object->Get(v8::String::New("x")); + if (xValue.IsEmpty()) + return 0; + bool canProvideX = !isUndefinedOrNull(xValue); + double x = xValue->NumberValue(); + + v8::Local<v8::Value> yValue = object->Get(v8::String::New("y")); + if (yValue.IsEmpty()) + return 0; + bool canProvideY = !isUndefinedOrNull(yValue); + double y = yValue->NumberValue(); + + v8::Local<v8::Value> zValue = object->Get(v8::String::New("z")); + if (zValue.IsEmpty()) + return 0; + bool canProvideZ = !isUndefinedOrNull(zValue); + double z = zValue->NumberValue(); + + if (!canProvideX && !canProvideY && !canProvideZ) + return 0; + + return DeviceMotionData::Acceleration::create(canProvideX, x, canProvideY, y, canProvideZ, z); +} + +RefPtr<DeviceMotionData::RotationRate> readRotationRateArgument(v8::Local<v8::Value> value) +{ + if (isUndefinedOrNull(value)) + return 0; + + // Given the test above, this will always yield an object. + v8::Local<v8::Object> object = value->ToObject(); + + v8::Local<v8::Value> alphaValue = object->Get(v8::String::New("alpha")); + if (alphaValue.IsEmpty()) + return 0; + bool canProvideAlpha = !isUndefinedOrNull(alphaValue); + double alpha = alphaValue->NumberValue(); + + v8::Local<v8::Value> betaValue = object->Get(v8::String::New("beta")); + if (betaValue.IsEmpty()) + return 0; + bool canProvideBeta = !isUndefinedOrNull(betaValue); + double beta = betaValue->NumberValue(); + + v8::Local<v8::Value> gammaValue = object->Get(v8::String::New("gamma")); + if (gammaValue.IsEmpty()) + return 0; + bool canProvideGamma = !isUndefinedOrNull(gammaValue); + double gamma = gammaValue->NumberValue(); + + if (!canProvideAlpha && !canProvideBeta && !canProvideGamma) + return 0; + + return DeviceMotionData::RotationRate::create(canProvideAlpha, alpha, canProvideBeta, beta, canProvideGamma, gamma); +} + +} // namespace + +v8::Handle<v8::Value> V8DeviceMotionEvent::accelerationAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info) +{ + INC_STATS("DOM.DeviceMotionEvent.acceleration._get"); + v8::Handle<v8::Object> holder = info.Holder(); + DeviceMotionEvent* imp = V8DeviceMotionEvent::toNative(holder); + if (!imp->deviceMotionData()->acceleration()) + return v8::Null(); + return createAccelerationObject(imp->deviceMotionData()->acceleration()); +} + +v8::Handle<v8::Value> V8DeviceMotionEvent::accelerationIncludingGravityAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info) +{ + INC_STATS("DOM.DeviceMotionEvent.accelerationIncludingGravity._get"); + v8::Handle<v8::Object> holder = info.Holder(); + DeviceMotionEvent* imp = V8DeviceMotionEvent::toNative(holder); + if (!imp->deviceMotionData()->accelerationIncludingGravity()) + return v8::Null(); + return createAccelerationObject(imp->deviceMotionData()->accelerationIncludingGravity()); +} + +v8::Handle<v8::Value> V8DeviceMotionEvent::rotationRateAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info) +{ + INC_STATS("DOM.DeviceMotionEvent.rotationRate._get"); + v8::Handle<v8::Object> holder = info.Holder(); + DeviceMotionEvent* imp = V8DeviceMotionEvent::toNative(holder); + if (!imp->deviceMotionData()->rotationRate()) + return v8::Null(); + return createRotationRateObject(imp->deviceMotionData()->rotationRate()); +} + +v8::Handle<v8::Value> V8DeviceMotionEvent::intervalAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info) +{ + INC_STATS("DOM.DeviceMotionEvent.interval._get"); + v8::Handle<v8::Object> holder = info.Holder(); + DeviceMotionEvent* imp = V8DeviceMotionEvent::toNative(holder); + if (!imp->deviceMotionData()->canProvideInterval()) + return v8::Null(); + return v8::Number::New(imp->deviceMotionData()->interval()); +} + +v8::Handle<v8::Value> V8DeviceMotionEvent::initDeviceMotionEventCallback(const v8::Arguments& args) +{ + DeviceMotionEvent* imp = V8DeviceMotionEvent::toNative(args.Holder()); + STRING_TO_V8PARAMETER_EXCEPTION_BLOCK(V8Parameter<>, type, args[0]); + bool bubbles = args[1]->BooleanValue(); + bool cancelable = args[2]->BooleanValue(); + RefPtr<DeviceMotionData::Acceleration> acceleration = readAccelerationArgument(args[3]); + RefPtr<DeviceMotionData::Acceleration> accelerationIncludingGravity = readAccelerationArgument(args[4]); + RefPtr<DeviceMotionData::RotationRate> rotationRate = readRotationRateArgument(args[5]); + bool intervalProvided = !isUndefinedOrNull(args[6]); + double interval = args[6]->NumberValue(); + RefPtr<DeviceMotionData> deviceMotionData = DeviceMotionData::create(acceleration, accelerationIncludingGravity, rotationRate, intervalProvided, interval); + imp->initDeviceMotionEvent(type, bubbles, cancelable, deviceMotionData.get()); + return v8::Handle<v8::Value>(); +} + +} // namespace WebCore + +#endif // ENABLE(DEVICE_ORIENTATION) |