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-rw-r--r--WebCore/bindings/js/JSDeviceMotionEventCustom.cpp194
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diff --git a/WebCore/bindings/js/JSDeviceMotionEventCustom.cpp b/WebCore/bindings/js/JSDeviceMotionEventCustom.cpp
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--- a/WebCore/bindings/js/JSDeviceMotionEventCustom.cpp
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-/*
- * 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 "JSDeviceMotionEvent.h"
-
-#if ENABLE(DEVICE_ORIENTATION)
-
-#include "DeviceMotionData.h"
-#include "DeviceMotionEvent.h"
-
-using namespace JSC;
-
-namespace WebCore {
-
-static PassRefPtr<DeviceMotionData::Acceleration> readAccelerationArgument(JSValue value, ExecState* exec)
-{
- if (value.isUndefinedOrNull())
- return 0;
-
- // Given the above test, this will always yield an object.
- JSObject* object = value.toObject(exec);
-
- JSValue xValue = object->get(exec, Identifier(exec, "x"));
- if (exec->hadException())
- return 0;
- bool canProvideX = !xValue.isUndefinedOrNull();
- double x = xValue.toNumber(exec);
- if (exec->hadException())
- return 0;
-
- JSValue yValue = object->get(exec, Identifier(exec, "y"));
- if (exec->hadException())
- return 0;
- bool canProvideY = !yValue.isUndefinedOrNull();
- double y = yValue.toNumber(exec);
- if (exec->hadException())
- return 0;
-
- JSValue zValue = object->get(exec, Identifier(exec, "z"));
- if (exec->hadException())
- return 0;
- bool canProvideZ = !zValue.isUndefinedOrNull();
- double z = zValue.toNumber(exec);
- if (exec->hadException())
- return 0;
-
- if (!canProvideX && !canProvideY && !canProvideZ)
- return 0;
-
- return DeviceMotionData::Acceleration::create(canProvideX, x, canProvideY, y, canProvideZ, z);
-}
-
-static PassRefPtr<DeviceMotionData::RotationRate> readRotationRateArgument(JSValue value, ExecState* exec)
-{
- if (value.isUndefinedOrNull())
- return 0;
-
- // Given the above test, this will always yield an object.
- JSObject* object = value.toObject(exec);
-
- JSValue alphaValue = object->get(exec, Identifier(exec, "alpha"));
- if (exec->hadException())
- return 0;
- bool canProvideAlpha = !alphaValue.isUndefinedOrNull();
- double alpha = alphaValue.toNumber(exec);
- if (exec->hadException())
- return 0;
-
- JSValue betaValue = object->get(exec, Identifier(exec, "beta"));
- if (exec->hadException())
- return 0;
- bool canProvideBeta = !betaValue.isUndefinedOrNull();
- double beta = betaValue.toNumber(exec);
- if (exec->hadException())
- return 0;
-
- JSValue gammaValue = object->get(exec, Identifier(exec, "gamma"));
- if (exec->hadException())
- return 0;
- bool canProvideGamma = !gammaValue.isUndefinedOrNull();
- double gamma = gammaValue.toNumber(exec);
- if (exec->hadException())
- return 0;
-
- if (!canProvideAlpha && !canProvideBeta && !canProvideGamma)
- return 0;
-
- return DeviceMotionData::RotationRate::create(canProvideAlpha, alpha, canProvideBeta, beta, canProvideGamma, gamma);
-}
-
-static JSObject* createAccelerationObject(const DeviceMotionData::Acceleration* acceleration, ExecState* exec)
-{
- JSObject* object = constructEmptyObject(exec);
- object->putDirect(Identifier(exec, "x"), acceleration->canProvideX() ? jsNumber(acceleration->x()) : jsNull());
- object->putDirect(Identifier(exec, "y"), acceleration->canProvideY() ? jsNumber(acceleration->y()) : jsNull());
- object->putDirect(Identifier(exec, "z"), acceleration->canProvideZ() ? jsNumber(acceleration->z()) : jsNull());
- return object;
-}
-
-static JSObject* createRotationRateObject(const DeviceMotionData::RotationRate* rotationRate, ExecState* exec)
-{
- JSObject* object = constructEmptyObject(exec);
- object->putDirect(Identifier(exec, "alpha"), rotationRate->canProvideAlpha() ? jsNumber(rotationRate->alpha()) : jsNull());
- object->putDirect(Identifier(exec, "beta"), rotationRate->canProvideBeta() ? jsNumber(rotationRate->beta()) : jsNull());
- object->putDirect(Identifier(exec, "gamma"), rotationRate->canProvideGamma() ? jsNumber(rotationRate->gamma()) : jsNull());
- return object;
-}
-
-JSValue JSDeviceMotionEvent::acceleration(ExecState* exec) const
-{
- DeviceMotionEvent* imp = static_cast<DeviceMotionEvent*>(impl());
- if (!imp->deviceMotionData()->acceleration())
- return jsNull();
- return createAccelerationObject(imp->deviceMotionData()->acceleration(), exec);
-}
-
-JSValue JSDeviceMotionEvent::accelerationIncludingGravity(ExecState* exec) const
-{
- DeviceMotionEvent* imp = static_cast<DeviceMotionEvent*>(impl());
- if (!imp->deviceMotionData()->accelerationIncludingGravity())
- return jsNull();
- return createAccelerationObject(imp->deviceMotionData()->accelerationIncludingGravity(), exec);
-}
-
-JSValue JSDeviceMotionEvent::rotationRate(ExecState* exec) const
-{
- DeviceMotionEvent* imp = static_cast<DeviceMotionEvent*>(impl());
- if (!imp->deviceMotionData()->rotationRate())
- return jsNull();
- return createRotationRateObject(imp->deviceMotionData()->rotationRate(), exec);
-}
-
-JSValue JSDeviceMotionEvent::interval(ExecState*) const
-{
- DeviceMotionEvent* imp = static_cast<DeviceMotionEvent*>(impl());
- if (!imp->deviceMotionData()->canProvideInterval())
- return jsNull();
- return jsNumber(imp->deviceMotionData()->interval());
-}
-
-JSValue JSDeviceMotionEvent::initDeviceMotionEvent(ExecState* exec)
-{
- const String& type = ustringToString(exec->argument(0).toString(exec));
- bool bubbles = exec->argument(1).toBoolean(exec);
- bool cancelable = exec->argument(2).toBoolean(exec);
-
- // If any of the parameters are null or undefined, mark them as not provided.
- // Otherwise, use the standard JavaScript conversion.
- RefPtr<DeviceMotionData::Acceleration> acceleration = readAccelerationArgument(exec->argument(3), exec);
- if (exec->hadException())
- return jsUndefined();
-
- RefPtr<DeviceMotionData::Acceleration> accelerationIncludingGravity = readAccelerationArgument(exec->argument(4), exec);
- if (exec->hadException())
- return jsUndefined();
-
- RefPtr<DeviceMotionData::RotationRate> rotationRate = readRotationRateArgument(exec->argument(5), exec);
- if (exec->hadException())
- return jsUndefined();
-
- bool intervalProvided = !exec->argument(6).isUndefinedOrNull();
- double interval = exec->argument(6).toNumber(exec);
- RefPtr<DeviceMotionData> deviceMotionData = DeviceMotionData::create(acceleration, accelerationIncludingGravity, rotationRate, intervalProvided, interval);
- DeviceMotionEvent* imp = static_cast<DeviceMotionEvent*>(impl());
- imp->initDeviceMotionEvent(type, bubbles, cancelable, deviceMotionData.get());
- return jsUndefined();
-}
-
-} // namespace WebCore
-
-#endif // ENABLE(DEVICE_ORIENTATION)
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