1 /* 2 * Copyright (C) 2007-2008 Esmertec AG. 3 * Copyright (C) 2007-2008 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package com.android.mms.dom.smil; 19 20 import com.android.mms.dom.events.EventImpl; 21 import org.w3c.dom.DOMException; 22 import org.w3c.dom.events.DocumentEvent; 23 import org.w3c.dom.events.Event; 24 import org.w3c.dom.smil.ElementTime; 25 import org.w3c.dom.smil.SMILMediaElement; 26 import org.w3c.dom.smil.TimeList; 27 28 import android.util.Log; 29 30 public class SmilMediaElementImpl extends SmilElementImpl implements 31 SMILMediaElement { 32 public final static String SMIL_MEDIA_START_EVENT = "SmilMediaStart"; 33 public final static String SMIL_MEDIA_END_EVENT = "SmilMediaEnd"; 34 public final static String SMIL_MEDIA_PAUSE_EVENT = "SmilMediaPause"; 35 public final static String SMIL_MEDIA_SEEK_EVENT = "SmilMediaSeek"; 36 private final static String TAG = "Mms:smil"; 37 private static final boolean DEBUG = false; 38 private static final boolean LOCAL_LOGV = false; 39 40 ElementTime mElementTime = new ElementTimeImpl(this) { 41 private Event createEvent(String eventType) { 42 DocumentEvent doc = 43 (DocumentEvent)SmilMediaElementImpl.this.getOwnerDocument(); 44 Event event = doc.createEvent("Event"); 45 event.initEvent(eventType, false, false); 46 if (LOCAL_LOGV) { 47 Log.v(TAG, "Dispatching 'begin' event to " 48 + SmilMediaElementImpl.this.getTagName() + " " 49 + SmilMediaElementImpl.this.getSrc() + " at " 50 + System.currentTimeMillis()); 51 } 52 return event; 53 } 54 55 private Event createEvent(String eventType, int seekTo) { 56 DocumentEvent doc = 57 (DocumentEvent)SmilMediaElementImpl.this.getOwnerDocument(); 58 EventImpl event = (EventImpl) doc.createEvent("Event"); 59 event.initEvent(eventType, false, false, seekTo); 60 if (LOCAL_LOGV) { 61 Log.v(TAG, "Dispatching 'begin' event to " 62 + SmilMediaElementImpl.this.getTagName() + " " 63 + SmilMediaElementImpl.this.getSrc() + " at " 64 + System.currentTimeMillis()); 65 } 66 return event; 67 } 68 69 public boolean beginElement() { 70 Event startEvent = createEvent(SMIL_MEDIA_START_EVENT); 71 dispatchEvent(startEvent); 72 return true; 73 } 74 75 public boolean endElement() { 76 Event endEvent = createEvent(SMIL_MEDIA_END_EVENT); 77 dispatchEvent(endEvent); 78 return true; 79 } 80 81 public void resumeElement() { 82 Event resumeEvent = createEvent(SMIL_MEDIA_START_EVENT); 83 dispatchEvent(resumeEvent); 84 } 85 86 public void pauseElement() { 87 Event pauseEvent = createEvent(SMIL_MEDIA_PAUSE_EVENT); 88 dispatchEvent(pauseEvent); 89 } 90 91 public void seekElement(float seekTo) { 92 Event seekEvent = createEvent(SMIL_MEDIA_SEEK_EVENT, (int) seekTo); 93 dispatchEvent(seekEvent); 94 } 95 96 @Override 97 public float getDur() { 98 float dur = super.getDur(); 99 if (dur == 0) { 100 // Duration is not specified, So get the implicit duration. 101 String tag = getTagName(); 102 if (tag.equals("video") || tag.equals("audio")) { 103 // Continuous media 104 // FIXME Should get the duration of the media. "indefinite" instead here. 105 dur = -1.0F; 106 } else if (tag.equals("text") || tag.equals("img")) { 107 // Discrete media 108 dur = 0; 109 } else { 110 Log.w(TAG, "Unknown media type"); 111 } 112 } 113 return dur; 114 } 115 116 @Override 117 ElementTime getParentElementTime() { 118 return ((SmilParElementImpl) mSmilElement.getParentNode()).mParTimeContainer; 119 } 120 }; 121 122 /* 123 * Internal Interface 124 */ 125 SmilMediaElementImpl(SmilDocumentImpl owner, String tagName)126 SmilMediaElementImpl(SmilDocumentImpl owner, String tagName) { 127 super(owner, tagName); 128 } 129 130 /* 131 * SMILMediaElement Interface 132 */ 133 getAbstractAttr()134 public String getAbstractAttr() { 135 return this.getAttribute("abstract"); 136 } 137 getAlt()138 public String getAlt() { 139 return this.getAttribute("alt"); 140 } 141 getAuthor()142 public String getAuthor() { 143 return this.getAttribute("author"); 144 } 145 getClipBegin()146 public String getClipBegin() { 147 return this.getAttribute("clipBegin"); 148 } 149 getClipEnd()150 public String getClipEnd() { 151 return this.getAttribute("clipEnd"); 152 } 153 getCopyright()154 public String getCopyright() { 155 return this.getAttribute("copyright"); 156 } 157 getLongdesc()158 public String getLongdesc() { 159 return this.getAttribute("longdesc"); 160 } 161 getPort()162 public String getPort() { 163 return this.getAttribute("port"); 164 } 165 getReadIndex()166 public String getReadIndex() { 167 return this.getAttribute("readIndex"); 168 } 169 getRtpformat()170 public String getRtpformat() { 171 return this.getAttribute("rtpformat"); 172 } 173 getSrc()174 public String getSrc() { 175 return this.getAttribute("src"); 176 } 177 getStripRepeat()178 public String getStripRepeat() { 179 return this.getAttribute("stripRepeat"); 180 } 181 getTitle()182 public String getTitle() { 183 return this.getAttribute("title"); 184 } 185 getTransport()186 public String getTransport() { 187 return this.getAttribute("transport"); 188 } 189 getType()190 public String getType() { 191 return this.getAttribute("type"); 192 } 193 setAbstractAttr(String abstractAttr)194 public void setAbstractAttr(String abstractAttr) throws DOMException { 195 this.setAttribute("abstract", abstractAttr); 196 } 197 setAlt(String alt)198 public void setAlt(String alt) throws DOMException { 199 this.setAttribute("alt", alt); 200 } 201 setAuthor(String author)202 public void setAuthor(String author) throws DOMException { 203 this.setAttribute("author", author); 204 } 205 setClipBegin(String clipBegin)206 public void setClipBegin(String clipBegin) throws DOMException { 207 this.setAttribute("clipBegin", clipBegin); 208 } 209 setClipEnd(String clipEnd)210 public void setClipEnd(String clipEnd) throws DOMException { 211 this.setAttribute("clipEnd", clipEnd); 212 } 213 setCopyright(String copyright)214 public void setCopyright(String copyright) throws DOMException { 215 this.setAttribute("copyright", copyright); 216 } 217 setLongdesc(String longdesc)218 public void setLongdesc(String longdesc) throws DOMException { 219 this.setAttribute("longdesc", longdesc); 220 221 } 222 setPort(String port)223 public void setPort(String port) throws DOMException { 224 this.setAttribute("port", port); 225 } 226 setReadIndex(String readIndex)227 public void setReadIndex(String readIndex) throws DOMException { 228 this.setAttribute("readIndex", readIndex); 229 } 230 setRtpformat(String rtpformat)231 public void setRtpformat(String rtpformat) throws DOMException { 232 this.setAttribute("rtpformat", rtpformat); 233 } 234 setSrc(String src)235 public void setSrc(String src) throws DOMException { 236 this.setAttribute("src", src); 237 } 238 setStripRepeat(String stripRepeat)239 public void setStripRepeat(String stripRepeat) throws DOMException { 240 this.setAttribute("stripRepeat", stripRepeat); 241 } 242 setTitle(String title)243 public void setTitle(String title) throws DOMException { 244 this.setAttribute("title", title); 245 } 246 setTransport(String transport)247 public void setTransport(String transport) throws DOMException { 248 this.setAttribute("transport", transport); 249 } 250 setType(String type)251 public void setType(String type) throws DOMException { 252 this.setAttribute("type", type); 253 } 254 255 /* 256 * TimeElement Interface 257 */ 258 beginElement()259 public boolean beginElement() { 260 return mElementTime.beginElement(); 261 } 262 endElement()263 public boolean endElement() { 264 return mElementTime.endElement(); 265 } 266 getBegin()267 public TimeList getBegin() { 268 return mElementTime.getBegin(); 269 } 270 getDur()271 public float getDur() { 272 return mElementTime.getDur(); 273 } 274 getEnd()275 public TimeList getEnd() { 276 return mElementTime.getEnd(); 277 } 278 getFill()279 public short getFill() { 280 return mElementTime.getFill(); 281 } 282 getFillDefault()283 public short getFillDefault() { 284 return mElementTime.getFillDefault(); 285 } 286 getRepeatCount()287 public float getRepeatCount() { 288 return mElementTime.getRepeatCount(); 289 } 290 getRepeatDur()291 public float getRepeatDur() { 292 return mElementTime.getRepeatDur(); 293 } 294 getRestart()295 public short getRestart() { 296 return mElementTime.getRestart(); 297 } 298 pauseElement()299 public void pauseElement() { 300 mElementTime.pauseElement(); 301 } 302 resumeElement()303 public void resumeElement() { 304 mElementTime.resumeElement(); 305 } 306 seekElement(float seekTo)307 public void seekElement(float seekTo) { 308 mElementTime.seekElement(seekTo); 309 } 310 setBegin(TimeList begin)311 public void setBegin(TimeList begin) throws DOMException { 312 mElementTime.setBegin(begin); 313 } 314 setDur(float dur)315 public void setDur(float dur) throws DOMException { 316 mElementTime.setDur(dur); 317 } 318 setEnd(TimeList end)319 public void setEnd(TimeList end) throws DOMException { 320 mElementTime.setEnd(end); 321 } 322 setFill(short fill)323 public void setFill(short fill) throws DOMException { 324 mElementTime.setFill(fill); 325 } 326 setFillDefault(short fillDefault)327 public void setFillDefault(short fillDefault) throws DOMException { 328 mElementTime.setFillDefault(fillDefault); 329 } 330 setRepeatCount(float repeatCount)331 public void setRepeatCount(float repeatCount) throws DOMException { 332 mElementTime.setRepeatCount(repeatCount); 333 } 334 setRepeatDur(float repeatDur)335 public void setRepeatDur(float repeatDur) throws DOMException { 336 mElementTime.setRepeatDur(repeatDur); 337 } 338 setRestart(short restart)339 public void setRestart(short restart) throws DOMException { 340 mElementTime.setRestart(restart); 341 } 342 } 343