| /* |
| * Copyright (C) 2007 Esmertec AG. |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.mms.dom.smil; |
| |
| import java.util.ArrayList; |
| |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| import org.w3c.dom.smil.ElementSequentialTimeContainer; |
| import org.w3c.dom.smil.ElementTime; |
| import org.w3c.dom.smil.SMILElement; |
| |
| import com.android.mms.dom.NodeListImpl; |
| |
| public abstract class ElementSequentialTimeContainerImpl extends |
| ElementTimeContainerImpl implements ElementSequentialTimeContainer { |
| |
| /* |
| * Internal Interface |
| */ |
| |
| ElementSequentialTimeContainerImpl(SMILElement element) { |
| super(element); |
| } |
| |
| /* |
| * ElementSequentialTimeContainer Interface |
| */ |
| |
| public NodeList getActiveChildrenAt(float instant) { |
| NodeList allChildren = this.getTimeChildren(); |
| ArrayList<Node> nodes = new ArrayList<Node>(); |
| for (int i = 0; i < allChildren.getLength(); i++) { |
| instant -= ((ElementTime) allChildren.item(i)).getDur(); |
| if (instant < 0) { |
| nodes.add(allChildren.item(i)); |
| return new NodeListImpl(nodes); |
| } |
| } |
| return new NodeListImpl(nodes); |
| } |
| |
| public float getDur() { |
| float dur = super.getDur(); |
| if (dur == 0) { |
| NodeList children = getTimeChildren(); |
| for (int i = 0; i < children.getLength(); ++i) { |
| ElementTime child = (ElementTime) children.item(i); |
| if (child.getDur() < 0) { |
| // Return "indefinite" since containing a child whose duration is indefinite. |
| return -1.0F; |
| } |
| dur += child.getDur(); |
| } |
| } |
| return dur; |
| } |
| } |