third_party/WebKit/Source/modules/mediastream/NavigatorMediaStream.cpp

/*
 *  Copyright (C) 2000 Harri Porten (porten@kde.org)
 *  Copyright (c) 2000 Daniel Molkentin (molkentin@kde.org)
 *  Copyright (c) 2000 Stefan Schimanski (schimmi@kde.org)
 *  Copyright (C) 2003, 2004, 2005, 2006 Apple Computer, Inc.
 *  Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include "modules/mediastream/NavigatorMediaStream.h"

#include "bindings/core/v8/Dictionary.h"
#include "bindings/core/v8/ExceptionState.h"
#include "core/dom/Document.h"
#include "core/dom/ExceptionCode.h"
#include "core/frame/LocalFrame.h"
#include "core/frame/Navigator.h"
#include "core/frame/Settings.h"
#include "core/page/Page.h"
#include "modules/mediastream/MediaDevicesRequest.h"
#include "modules/mediastream/MediaErrorState.h"
#include "modules/mediastream/MediaStreamConstraints.h"
#include "modules/mediastream/NavigatorUserMediaErrorCallback.h"
#include "modules/mediastream/NavigatorUserMediaSuccessCallback.h"
#include "modules/mediastream/UserMediaController.h"
#include "modules/mediastream/UserMediaRequest.h"

namespace blink {

void NavigatorMediaStream::webkitGetUserMedia(Navigator& navigator, const MediaStreamConstraints& options, NavigatorUserMediaSuccessCallback* successCallback, NavigatorUserMediaErrorCallback* errorCallback, ExceptionState& exceptionState)
{
    if (!successCallback)
        return;

    UserMediaController* userMedia = UserMediaController::from(navigator.frame());
    if (!userMedia) {
        exceptionState.throwDOMException(NotSupportedError, "No user media controller available; is this a detached window?");
        return;
    }

    MediaErrorState errorState;
    UserMediaRequest* request = UserMediaRequest::create(navigator.frame()->document(), userMedia, options, successCallback, errorCallback, errorState);
    if (!request) {
        DCHECK(errorState.hadException());
        if (errorState.canGenerateException()) {
            errorState.raiseException(exceptionState);
        } else {
            errorCallback->handleEvent(errorState.createError());
        }
        return;
    }

    String errorMessage;
    if (!request->isSecureContextUse(errorMessage)) {
        request->failPermissionDenied(errorMessage);
        return;
    }

    request->start();
}

} // namespace blink