com.gwtmobile.phonegap.kitchensink.client.MediaUi.java Source code

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Here is the source code for com.gwtmobile.phonegap.kitchensink.client.MediaUi.java

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/* Copyright (c) 2010 Zhihua (Dennis) Jiang
 * 
 * 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.gwtmobile.phonegap.kitchensink.client;

import com.google.gwt.core.client.GWT;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.Widget;
import com.gwtmobile.phonegap.client.Media;
import com.gwtmobile.phonegap.client.Media.Callback;
import com.gwtmobile.phonegap.client.Media.MediaError;
import com.gwtmobile.phonegap.client.Media.PositionCallback;
import com.gwtmobile.ui.client.event.SelectionChangedEvent;
import com.gwtmobile.ui.client.page.Page;
import com.gwtmobile.ui.client.utils.Utils;

public class MediaUi extends Page {

    private static MediaUiUiBinder uiBinder = GWT.create(MediaUiUiBinder.class);

    Media media;
    @UiField
    HTML text;
    Timer timer;

    interface MediaUiUiBinder extends UiBinder<Widget, MediaUi> {
    }

    public MediaUi() {
        initWidget(uiBinder.createAndBindUi(this));
    }

    @Override
    public void onLoad() {
        super.onLoad();

        String src = null;
        if (Utils.isAndroid()) {
            src = "myrecording.mp3";
        }
        media = Media.newInstance(src, new Callback() {
            @Override
            public void onSuccess() {
                text.setHTML("Media Success");
                timer.cancel();
            }

            @Override
            public void onError(MediaError error) {
                text.setHTML("Media Error<br/>" + "Code: " + error.getCode() + "<br/>" + "Message: "
                        + error.getMessage());
            }
        });

    }

    @Override
    protected void onUnload() {
        super.onUnload();
        release();
    }

    @UiHandler("list")
    void onListSelectionChanged(SelectionChangedEvent e) {
        switch (e.getSelection()) {
        case 0:
            startRecord();
            break;
        case 1:
            stopRecord();
            break;
        case 2:
            play();
            break;
        case 3:
            pause();
            break;
        case 4:
            stop();
            break;
        case 5:
            release();
            break;
        }
    }

    public void play() {
        text.setHTML("Playing...");
        media.play();
        timer = new Timer() {
            @Override
            public void run() {
                if (Utils.isAndroid()) {
                    media.getCurrentPosition(new PositionCallback() {
                        @Override
                        public void onSuccess(int position) {
                            int duration = media.getDuration();
                            text.setHTML(position + " / " + duration);
                        }

                        @Override
                        public void onError(MediaError error) {
                            text.setHTML("Get Current Position Error<br/>" + "Code: " + error.getCode() + "<br/>"
                                    + "Message: " + error.getMessage());
                        }
                    });
                } else if (Utils.isIOS()) {
                    text.setHTML(text.getHTML() + ".");
                }
            }
        };
        timer.scheduleRepeating(1000);
    }

    public void pause() {
        timer.cancel();
        media.pause();
        text.setHTML("Paused");
    }

    public void stop() {
        timer.cancel();
        media.stop();
        text.setHTML("Stopped");
    }

    public void startRecord() {
        text.setHTML("Recording. Say or sing something.<br/>");
        media.startRecord();
        timer = new Timer() {
            @Override
            public void run() {
                text.setHTML(text.getHTML() + ".");
            }
        };
        timer.scheduleRepeating(1000);
    }

    public void stopRecord() {
        media.stopRecord();
        timer.cancel();
        text.setHTML("Recording stopped.");
    }

    public void release() {
        media.release();
        text.setHTML("Media released.");
    }
}