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 "JSDeviceOrientationEvent.h"
28
29 #if ENABLE(DEVICE_ORIENTATION)
30
31 #include "DeviceOrientation.h"
32 #include "DeviceOrientationEvent.h"
33
34 using namespace JSC;
35
36 namespace WebCore {
37
alpha(ExecState *) const38 JSValue JSDeviceOrientationEvent::alpha(ExecState*) const
39 {
40 DeviceOrientationEvent* imp = static_cast<DeviceOrientationEvent*>(impl());
41 if (!imp->orientation()->canProvideAlpha())
42 return jsNull();
43 return jsNumber(imp->orientation()->alpha());
44 }
45
beta(ExecState *) const46 JSValue JSDeviceOrientationEvent::beta(ExecState*) const
47 {
48 DeviceOrientationEvent* imp = static_cast<DeviceOrientationEvent*>(impl());
49 if (!imp->orientation()->canProvideBeta())
50 return jsNull();
51 return jsNumber(imp->orientation()->beta());
52 }
53
gamma(ExecState *) const54 JSValue JSDeviceOrientationEvent::gamma(ExecState*) const
55 {
56 DeviceOrientationEvent* imp = static_cast<DeviceOrientationEvent*>(impl());
57 if (!imp->orientation()->canProvideGamma())
58 return jsNull();
59 return jsNumber(imp->orientation()->gamma());
60 }
61
initDeviceOrientationEvent(ExecState * exec)62 JSValue JSDeviceOrientationEvent::initDeviceOrientationEvent(ExecState* exec)
63 {
64 const String& type = ustringToString(exec->argument(0).toString(exec));
65 bool bubbles = exec->argument(1).toBoolean(exec);
66 bool cancelable = exec->argument(2).toBoolean(exec);
67 // If alpha, beta or gamma are null or undefined, mark them as not provided.
68 // Otherwise, use the standard JavaScript conversion.
69 bool alphaProvided = !exec->argument(3).isUndefinedOrNull();
70 double alpha = exec->argument(3).toNumber(exec);
71 bool betaProvided = !exec->argument(4).isUndefinedOrNull();
72 double beta = exec->argument(4).toNumber(exec);
73 bool gammaProvided = !exec->argument(5).isUndefinedOrNull();
74 double gamma = exec->argument(5).toNumber(exec);
75 RefPtr<DeviceOrientation> orientation = DeviceOrientation::create(alphaProvided, alpha, betaProvided, beta, gammaProvided, gamma);
76 DeviceOrientationEvent* imp = static_cast<DeviceOrientationEvent*>(impl());
77 imp->initDeviceOrientationEvent(type, bubbles, cancelable, orientation.get());
78 return jsUndefined();
79 }
80
81 } // namespace WebCore
82
83 #endif // ENABLE(DEVICE_ORIENTATION)
84