1/* 2 * Copyright (c) 2013, Opera Software ASA. 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 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. 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 * 3. Neither the name of Opera Software ASA nor the names of its 13 * contributors may be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 19 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 20 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 21 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 27 * OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30#include "config.h" 31#include "V8TextTrackCue.h" 32 33#include "V8VTTCue.h" 34 35#include "bindings/v8/ExceptionMessages.h" 36#include "bindings/v8/ExceptionState.h" 37#include "core/frame/UseCounter.h" 38 39namespace WebCore { 40 41v8::Handle<v8::Value> toV8(TextTrackCue* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate) 42{ 43 return toV8(toVTTCue(impl), creationContext, isolate); 44} 45 46// Custom constructor to make new TextTrackCue(...) return a VTTCue. This is legacy 47// compat, not per spec, and should be removed at the earliest opportunity. 48void V8TextTrackCue::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info) 49{ 50 ExceptionState exceptionState(ExceptionState::ConstructionContext, "TextTrackCue", info.Holder(), info.GetIsolate()); 51 if (UNLIKELY(info.Length() < 3)) { 52 exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(3, info.Length())); 53 exceptionState.throwIfNeeded(); 54 return; 55 } 56 V8TRYCATCH_VOID(double, startTime, static_cast<double>(info[0]->NumberValue())); 57 V8TRYCATCH_VOID(double, endTime, static_cast<double>(info[1]->NumberValue())); 58 V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, text, info[2]); 59 60 Document& document = *toDocument(getExecutionContext()); 61 UseCounter::count(document, UseCounter::TextTrackCueConstructor); 62 63 RefPtr<VTTCue> impl = VTTCue::create(document, startTime, endTime, text); 64 v8::Handle<v8::Object> wrapper = wrap(impl.get(), info.Holder(), info.GetIsolate()); 65 66 v8SetReturnValue(info, wrapper); 67} 68 69} // namespace WebCore 70