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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 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/v8/V8ErrorHandler.h" | |
33 | |
34 #include "bindings/core/v8/V8ErrorEvent.h" | |
35 #include "bindings/v8/ScriptController.h" | |
36 #include "bindings/v8/V8Binding.h" | |
37 #include "bindings/v8/V8HiddenValue.h" | |
38 #include "bindings/v8/V8ScriptRunner.h" | |
39 #include "core/dom/ExecutionContext.h" | |
40 #include "core/events/ErrorEvent.h" | |
41 #include "core/frame/LocalFrame.h" | |
42 | |
43 namespace WebCore { | |
44 | |
45 V8ErrorHandler::V8ErrorHandler(v8::Local<v8::Object> listener, bool isInline, Sc
riptState* scriptState) | |
46 : V8EventListener(listener, isInline, scriptState) | |
47 { | |
48 } | |
49 | |
50 v8::Local<v8::Value> V8ErrorHandler::callListenerFunction(v8::Handle<v8::Value>
jsEvent, Event* event) | |
51 { | |
52 if (!event->hasInterface(EventNames::ErrorEvent)) | |
53 return V8EventListener::callListenerFunction(jsEvent, event); | |
54 | |
55 ErrorEvent* errorEvent = static_cast<ErrorEvent*>(event); | |
56 | |
57 if (errorEvent->world() && errorEvent->world() != &world()) | |
58 return v8::Null(isolate()); | |
59 | |
60 v8::Local<v8::Object> listener = getListenerObject(scriptState()->executionC
ontext()); | |
61 v8::Local<v8::Value> returnValue; | |
62 if (!listener.IsEmpty() && listener->IsFunction()) { | |
63 v8::Local<v8::Function> callFunction = v8::Local<v8::Function>::Cast(lis
tener); | |
64 v8::Local<v8::Object> thisValue = scriptState()->context()->Global(); | |
65 | |
66 v8::Local<v8::Value> error = V8HiddenValue::getHiddenValue(isolate(), js
Event->ToObject(), V8HiddenValue::error(isolate())); | |
67 if (error.IsEmpty()) | |
68 error = v8::Null(isolate()); | |
69 | |
70 v8::Handle<v8::Value> parameters[5] = { v8String(isolate(), errorEvent->
message()), v8String(isolate(), errorEvent->filename()), v8::Integer::New(isolat
e(), errorEvent->lineno()), v8::Integer::New(isolate(), errorEvent->colno()), er
ror }; | |
71 v8::TryCatch tryCatch; | |
72 tryCatch.SetVerbose(true); | |
73 if (scriptState()->executionContext()->isWorkerGlobalScope()) | |
74 returnValue = V8ScriptRunner::callFunction(callFunction, scriptState
()->executionContext(), thisValue, WTF_ARRAY_LENGTH(parameters), parameters, iso
late()); | |
75 else | |
76 returnValue = ScriptController::callFunction(scriptState()->executio
nContext(), callFunction, thisValue, WTF_ARRAY_LENGTH(parameters), parameters, i
solate()); | |
77 } | |
78 return returnValue; | |
79 } | |
80 | |
81 // static | |
82 void V8ErrorHandler::storeExceptionOnErrorEventWrapper(ErrorEvent* event, v8::Ha
ndle<v8::Value> data, v8::Handle<v8::Object> creationContext, v8::Isolate* isola
te) | |
83 { | |
84 v8::Local<v8::Value> wrappedEvent = toV8(event, creationContext, isolate); | |
85 if (!wrappedEvent.IsEmpty()) { | |
86 ASSERT(wrappedEvent->IsObject()); | |
87 V8HiddenValue::setHiddenValue(isolate, v8::Local<v8::Object>::Cast(wrapp
edEvent), V8HiddenValue::error(isolate), data); | |
88 } | |
89 } | |
90 | |
91 bool V8ErrorHandler::shouldPreventDefault(v8::Local<v8::Value> returnValue) | |
92 { | |
93 return returnValue->IsBoolean() && returnValue->BooleanValue(); | |
94 } | |
95 | |
96 } // namespace WebCore | |
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