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1 /* | |
2 * Copyright (C) 2012 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 are | |
6 * met: | |
7 * | |
8 * * Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * * Redistributions in binary form must reproduce the above | |
11 * copyright notice, this list of conditions and the following disclaimer | |
12 * in the documentation and/or other materials provided with the | |
13 * distribution. | |
14 * * Neither the name of Google Inc. nor the names of its | |
15 * contributors may be used to endorse or promote products derived from | |
16 * this software without specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 */ | |
30 | |
31 #include "config.h" | |
32 #include "bindings/core/v8/V8CustomEvent.h" | |
33 | |
34 #include "bindings/core/v8/V8Event.h" | |
35 #include "bindings/v8/Dictionary.h" | |
36 #include "bindings/v8/SerializedScriptValue.h" | |
37 #include "bindings/v8/V8Binding.h" | |
38 #include "bindings/v8/V8DOMWrapper.h" | |
39 #include "bindings/v8/V8HiddenValue.h" | |
40 #include "core/dom/ContextFeatures.h" | |
41 #include "platform/RuntimeEnabledFeatures.h" | |
42 | |
43 namespace WebCore { | |
44 | |
45 static v8::Handle<v8::Value> cacheState(v8::Handle<v8::Object> customEvent, v8::
Handle<v8::Value> detail, v8::Isolate* isolate) | |
46 { | |
47 V8HiddenValue::setHiddenValue(isolate, customEvent, V8HiddenValue::detail(is
olate), detail); | |
48 return detail; | |
49 } | |
50 | |
51 | |
52 void V8CustomEvent::detailAttributeGetterCustom(const v8::PropertyCallbackInfo<v
8::Value>& info) | |
53 { | |
54 CustomEvent* event = V8CustomEvent::toNative(info.Holder()); | |
55 | |
56 v8::Handle<v8::Value> result = V8HiddenValue::getHiddenValue(info.GetIsolate
(), info.Holder(), V8HiddenValue::detail(info.GetIsolate())); | |
57 | |
58 if (!result.IsEmpty()) { | |
59 v8SetReturnValue(info, result); | |
60 return; | |
61 } | |
62 | |
63 if (!event->serializedDetail()) { | |
64 // If we're in an isolated world and the event was created in the main w
orld, | |
65 // we need to find the 'detail' property on the main world wrapper and c
lone it. | |
66 v8::Local<v8::Value> mainWorldDetail = V8HiddenValue::getHiddenValueFrom
MainWorldWrapper(info.GetIsolate(), event, V8HiddenValue::detail(info.GetIsolate
())); | |
67 if (!mainWorldDetail.IsEmpty()) | |
68 event->setSerializedDetail(SerializedScriptValue::createAndSwallowEx
ceptions(mainWorldDetail, info.GetIsolate())); | |
69 } | |
70 | |
71 if (event->serializedDetail()) { | |
72 result = event->serializedDetail()->deserialize(); | |
73 v8SetReturnValue(info, cacheState(info.Holder(), result, info.GetIsolate
())); | |
74 return; | |
75 } | |
76 | |
77 v8SetReturnValue(info, cacheState(info.Holder(), v8::Null(info.GetIsolate())
, info.GetIsolate())); | |
78 } | |
79 | |
80 void V8CustomEvent::initCustomEventMethodCustom(const v8::FunctionCallbackInfo<v
8::Value>& info) | |
81 { | |
82 CustomEvent* event = V8CustomEvent::toNative(info.Holder()); | |
83 ASSERT(!event->serializedDetail()); | |
84 | |
85 TOSTRING_VOID(V8StringResource<>, typeArg, info[0]); | |
86 TONATIVE_VOID(bool, canBubbleArg, info[1]->BooleanValue()); | |
87 TONATIVE_VOID(bool, cancelableArg, info[2]->BooleanValue()); | |
88 v8::Handle<v8::Value> detailsArg = info[3]; | |
89 | |
90 event->initEvent(typeArg, canBubbleArg, cancelableArg); | |
91 | |
92 if (!detailsArg.IsEmpty()) { | |
93 V8HiddenValue::setHiddenValue(info.GetIsolate(), info.Holder(), V8Hidden
Value::detail(info.GetIsolate()), detailsArg); | |
94 if (DOMWrapperWorld::current(info.GetIsolate()).isIsolatedWorld()) | |
95 event->setSerializedDetail(SerializedScriptValue::createAndSwallowEx
ceptions(detailsArg, info.GetIsolate())); | |
96 } | |
97 } | |
98 | |
99 } // namespace WebCore | |
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