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
alphaAccessorGetter(v8::Local<v8::String> name,const v8::AccessorInfo & info)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
betaAccessorGetter(v8::Local<v8::String> name,const v8::AccessorInfo & info)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
gammaAccessorGetter(v8::Local<v8::String> name,const v8::AccessorInfo & info)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
initDeviceOrientationEventCallback(const v8::Arguments & args)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