/* * Copyright (C) 2013 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "modules/webmidi/NavigatorWebMIDI.h" #include "bindings/core/v8/ScriptPromise.h" #include "bindings/core/v8/ScriptPromiseResolver.h" #include "core/dom/DOMException.h" #include "core/dom/Document.h" #include "core/frame/LocalFrame.h" #include "core/frame/Navigator.h" #include "core/frame/UseCounter.h" #include "modules/webmidi/MIDIAccessInitializer.h" #include "modules/webmidi/MIDIOptions.h" namespace blink { NavigatorWebMIDI::NavigatorWebMIDI(LocalFrame* frame) : DOMWindowProperty(frame) { } NavigatorWebMIDI::~NavigatorWebMIDI() { } DEFINE_TRACE(NavigatorWebMIDI) { HeapSupplement::trace(visitor); DOMWindowProperty::trace(visitor); } const char* NavigatorWebMIDI::supplementName() { return "NavigatorWebMIDI"; } NavigatorWebMIDI& NavigatorWebMIDI::from(Navigator& navigator) { NavigatorWebMIDI* supplement = static_cast(HeapSupplement::from(navigator, supplementName())); if (!supplement) { supplement = new NavigatorWebMIDI(navigator.frame()); provideTo(navigator, supplementName(), supplement); } return *supplement; } ScriptPromise NavigatorWebMIDI::requestMIDIAccess(ScriptState* scriptState, Navigator& navigator, const MIDIOptions& options) { return NavigatorWebMIDI::from(navigator).requestMIDIAccess(scriptState, options); } ScriptPromise NavigatorWebMIDI::requestMIDIAccess(ScriptState* scriptState, const MIDIOptions& options) { if (!frame() || frame()->document()->activeDOMObjectsAreStopped()) { return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(AbortError, "The frame is not working.")); } UseCounter::countCrossOriginIframe(*frame()->document(), UseCounter::RequestMIDIAccessIframe); return MIDIAccessInitializer::start(scriptState, options); } } // namespace blink