1 /* 2 * Copyright (C) 2010 Google 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 * * 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 "V8DeviceOrientationEvent.h" 28 29 #if ENABLE(DEVICE_ORIENTATION) 30 31 #include "DeviceOrientation.h" 32 #include "V8Binding.h" 33 #include "V8BindingMacros.h" 34 #include "V8Proxy.h" 35 36 #include <v8.h> 37 38 namespace WebCore { 39 40 v8::Handle<v8::Value> V8DeviceOrientationEvent::alphaAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info) 41 { 42 INC_STATS("DOM.DeviceOrientationEvent.alpha._get"); 43 v8::Handle<v8::Object> holder = info.Holder(); 44 DeviceOrientationEvent* imp = V8DeviceOrientationEvent::toNative(holder); 45 if (!imp->orientation()->canProvideAlpha()) 46 return v8::Null(); 47 return v8::Number::New(imp->orientation()->alpha()); 48 } 49 50 v8::Handle<v8::Value> V8DeviceOrientationEvent::betaAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info) 51 { 52 INC_STATS("DOM.DeviceOrientationEvent.beta._get"); 53 v8::Handle<v8::Object> holder = info.Holder(); 54 DeviceOrientationEvent* imp = V8DeviceOrientationEvent::toNative(holder); 55 if (!imp->orientation()->canProvideBeta()) 56 return v8::Null(); 57 return v8::Number::New(imp->orientation()->beta()); 58 } 59 60 v8::Handle<v8::Value> V8DeviceOrientationEvent::gammaAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info) 61 { 62 INC_STATS("DOM.DeviceOrientationEvent.gamma._get"); 63 v8::Handle<v8::Object> holder = info.Holder(); 64 DeviceOrientationEvent* imp = V8DeviceOrientationEvent::toNative(holder); 65 if (!imp->orientation()->canProvideGamma()) 66 return v8::Null(); 67 return v8::Number::New(imp->orientation()->gamma()); 68 } 69 70 v8::Handle<v8::Value> V8DeviceOrientationEvent::initDeviceOrientationEventCallback(const v8::Arguments& args) 71 { 72 DeviceOrientationEvent* imp = V8DeviceOrientationEvent::toNative(args.Holder()); 73 STRING_TO_V8PARAMETER_EXCEPTION_BLOCK(V8Parameter<>, type, args[0]); 74 bool bubbles = args[1]->BooleanValue(); 75 bool cancelable = args[2]->BooleanValue(); 76 // If alpha, beta or gamma are null or undefined, mark them as not provided. 77 // Otherwise, use the standard JavaScript conversion. 78 bool alphaProvided = !isUndefinedOrNull(args[3]); 79 double alpha = args[3]->NumberValue(); 80 bool betaProvided = !isUndefinedOrNull(args[4]); 81 double beta = args[4]->NumberValue(); 82 bool gammaProvided = !isUndefinedOrNull(args[5]); 83 double gamma = args[5]->NumberValue(); 84 RefPtr<DeviceOrientation> orientation = DeviceOrientation::create(alphaProvided, alpha, betaProvided, beta, gammaProvided, gamma); 85 imp->initDeviceOrientationEvent(type, bubbles, cancelable, orientation.get()); 86 return v8::Handle<v8::Value>(); 87 } 88 89 } // namespace WebCore 90 91 #endif // ENABLE(DEVICE_ORIENTATION) 92