org.icefaces.mobi.component.microphone.MicrophoneRenderer Maven / Gradle / Ivy

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${icefaces.product.name} MOBI Component Library
There is a newer version: 4.3.0
/*
 * Copyright 2004-2014 ICEsoft Technologies Canada Corp.
 *
 * 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 org.icefaces.mobi.component.microphone;


import java.io.IOException;
import java.lang.String;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Logger;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.event.ValueChangeEvent;
import javax.faces.render.Renderer;

import org.icefaces.mobi.renderkit.ResponseWriterWrapper;
import org.icefaces.ace.util.HTML;
import org.icefaces.mobi.util.MobiJSFUtils;
import org.icefaces.mobi.util.CSSUtils;
import org.icefaces.util.ClientDescriptor;
import org.icefaces.util.EnvUtils;

import static org.icefaces.ace.util.HTML.*;

public class MicrophoneRenderer extends Renderer {
    private static final Logger logger = Logger.getLogger(MicrophoneRenderer.class.getName());

    @Override
    public void decode(FacesContext facesContext, UIComponent uiComponent) {
        Microphone microphone = (Microphone) uiComponent;
        String clientId = microphone.getClientId();
        if (microphone.isDisabled()) {
            return;
        }
        try {
            //MOBI-18 requirement is to decode the file from the map

            Map map = new HashMap();
            boolean valid = extractAudio(facesContext, map, clientId);
            if (valid){
               if (map !=null){
                  microphone.setValue(map);
             //   trigger valueChange and add map as newEvent value old event is NA
                  uiComponent.queueEvent(new ValueChangeEvent(uiComponent,
    		    		    null, map));
                }
            }
        } catch (Exception e) {
            logger.warning("Exception decoding audio stream: " + e);
        }
    }

    public boolean extractAudio(FacesContext facesContext, Map map, String clientId) throws IOException {
        return MobiJSFUtils.decodeComponentFile(facesContext, clientId, map);
    }

    public void encodeEnd(FacesContext facesContext, UIComponent uiComponent)
            throws IOException {
        Microphone microphone = (Microphone) uiComponent;
		ResponseWriterWrapper writer = new ResponseWriterWrapper(facesContext.getResponseWriter());
		String clientId = microphone.getClientId();
		UIComponent fallbackFacet = microphone.getFacet("fallback");

		writer.startElement(SPAN_ELEM, microphone);
		writer.writeAttribute(ID_ATTR, clientId);
		writer.writeAttribute(CLASS_ATTR, "mobi-microphone");
        String oldLabel = microphone.getButtonLabel();
        String capturedLabel=microphone.getCaptureMessageLabel();
        if (MobiJSFUtils.uploadInProgress(microphone))  {
           microphone.setButtonLabel(microphone.getCaptureMessageLabel()) ;
        } 
        //StringBuilder baseClass = new StringBuilder(CSSUtils.STYLECLASS_BUTTON);
        //ClientDescriptor cd = microphone.getClient();
		// button element
		writer.startElement(BUTTON_ELEM, microphone);
		writer.writeAttribute(ID_ATTR, clientId + "_button");
		writer.writeAttribute(NAME_ATTR, clientId + "_button");
		writer.writeAttribute(TYPE_ATTR, "button");
		if (microphone.isDisabled()) writer.writeAttribute(DISABLED_ATTR, "disabled");
		String style = microphone.getStyle();
		if (style != null) writer.writeAttribute(STYLE_ATTR, style);
		String styleClass = microphone.getStyleClass();
		if (styleClass != null) writer.writeAttribute(CLASS_ATTR, styleClass);
		writer.writeAttribute(TABINDEX_ATTR, microphone.getTabindex());
		//writeStandardAttributes(writer, microphone, baseClass.toString(), IDevice.DISABLED_STYLE_CLASS);
		//default value of unset in params is Integer.MIN_VALUE
		String launchFailed = fallbackFacet != null ? "ice.mobi.fallback.setupLaunchFailed('"+clientId+"_button','"+clientId+"_fallback');" : "";
		String script = launchFailed + "bridgeit.microphone('" + clientId + "', 'callback"+clientId+"', {postURL:'" + microphone.getPostURL() + "', "
        + "cookies:{'JSESSIONID':'" + MobiJSFUtils.getSessionIdCookie(facesContext) +  "'}});";
		writer.writeAttribute(ONCLICK_ATTR, script);
		writer.startElement(SPAN_ELEM, microphone);
		writer.writeText(microphone.getButtonLabel());
		writer.endElement(SPAN_ELEM);

		// themeroller support
		writer.startElement("span", microphone);
		writer.startElement("script", microphone);
		writer.writeAttribute("type", "text/javascript");
	//	writer.writeText("new ice.mobi.button('"+clientId+"_button');");
        StringBuilder uiScript = new StringBuilder("new ice.mobi.button('");
        uiScript.append( clientId ).append( "_button');");
        //callback for ICE-10126
        uiScript.append("window['callback" + clientId + "'] = function(arg) {");
        String buttonId=clientId+"_button";
        String firstLine = "var buttonElem = document.getElementById('"+buttonId+"');";
        uiScript.append(firstLine);
        String secondLine=" if (buttonElem) { " +
                "var existingTextElem = buttonElem.firstChild; " +
                "if (existingTextElem){" +
                "     existingTextElem.innerHTML='"+capturedLabel+"';" +
                "} " +
             "}};"  ;
        uiScript.append(secondLine);
        writer.writeText(uiScript.toString());
		writer.endElement("script");
		writer.endElement("span");

		writer.endElement(BUTTON_ELEM);

		if (fallbackFacet != null) {
			writer.startElement(SPAN_ELEM, microphone);
			writer.writeAttribute(ID_ATTR, clientId + "_fallback");
			writer.writeAttribute(STYLE_ATTR, "display:none;");
			if (fallbackFacet.isRendered()) fallbackFacet.encodeAll(facesContext);
			writer.endElement(SPAN_ELEM);
		}
		writer.startElement("script", microphone);
		writer.writeAttribute("type", "text/javascript");
		writer.writeText("if (!bridgeit.isSupportedPlatform('microphone') && document.getElementById('"+clientId+"_fallback')) {");
		writer.writeText("document.getElementById('"+clientId+"_button').style.display='none';");
		writer.writeText("document.getElementById('"+clientId+"_fallback').style.display='inline';");
		writer.writeText("}");
		writer.endElement("script");

		writer.endElement(SPAN_ELEM);
        microphone.setButtonLabel(oldLabel);
    }
}