RecorderLayout.java

/*******************************************************************************
 * Catroid: An on-device visual programming system for Android devices
 *  Copyright (C) 2010-2013 The Catrobat Team
 *  (<http://developer.catrobat.org/credits>)
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as
 *  published by the Free Software Foundation, either version 3 of the
 *  License, or (at your option) any later version.
 *
 *  An additional term exception under section 7 of the GNU Affero
 *  General Public License, version 3, is available at
 *  http://www.catroid.org/catroid/licenseadditionalterm
 *
 *  This program 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 Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package org.catrobat.musicdroid.recorder;

import android.content.Context;
import android.graphics.Color;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnLongClickListener;
import android.widget.ImageButton;
import android.widget.RelativeLayout;
import android.widget.RelativeLayout.LayoutParams;
import android.widget.TextView;

import org.catrobat.musicdroid.R;
import org.catrobat.musicdroid.RecorderActivity;
import org.catrobat.musicdroid.dialog.ChangeFilenameDialog;
import org.catrobat.musicdroid.tools.StringFormatter;

public class RecorderLayout extends Handler implements OnClickListener, OnLongClickListener {
	private Context context = null;
	private TextView filenameTextView = null;
	private ImageButton recordImageButton = null;
	private ImageButton playImageButton = null;
	private View progressBarView = null;
	private TextView recordDurationTextView = null;
	private RelativeLayout progressBarBoxRelativeLayout = null;
	private RelativeLayout addToSoundMixerBoxRelativeLayout = null;
	private boolean isRecording = false;
	private boolean isPlaying = false;
	private boolean soundRecorded = false;
	private int trackDuration = 0;
	private int pixelPerSecond = 0;

	public RecorderLayout() {
	}

	public void init(Context context) {
		this.context = context;

		filenameTextView = (TextView) ((RecorderActivity) context).findViewById(R.id.microphone_filename);
		recordImageButton = (ImageButton) ((RecorderActivity) context).findViewById(R.id.microphone_record_button);
		recordDurationTextView = (TextView) ((RecorderActivity) context).findViewById(R.id.microphone_duration_text);
		playImageButton = (ImageButton) ((RecorderActivity) context).findViewById(R.id.microphone_play_button);
		progressBarView = ((RecorderActivity) context).findViewById(R.id.microphone_progress_bar);
		progressBarBoxRelativeLayout = (RelativeLayout) ((RecorderActivity) context)
				.findViewById(R.id.microphone_progress_bar_box);
		addToSoundMixerBoxRelativeLayout = (RelativeLayout) ((RecorderActivity) context)
				.findViewById(R.id.microphone_add_to_sound_mixer_box);

		if (recordDurationTextView == null) {
			Log.i("RecorderLayout", "Text View is Null");
		} else {
			Log.i("RecorderLayout", "Text View is not Null");
		}

		reorderToRecordLayout();

		filenameTextView.setOnLongClickListener(this);
		recordImageButton.setColorFilter(Color.RED);
		recordImageButton.setOnClickListener(this);
		playImageButton.setOnClickListener(this);
		addToSoundMixerBoxRelativeLayout.setOnClickListener(this);
		recordDurationTextView.setText("00:00");
	}

	@Override
	public void onClick(View v) {
		if (v.getId() == R.id.microphone_record_button) {
			handleOnRecordClick();
		}
		if (v.getId() == R.id.microphone_play_button) {
			handleOnPlayClick();
		}
		if (v.getId() == R.id.microphone_add_to_sound_mixer_box) {
			handleOnAddToSoundmixerClick();
		}
	}

	@Override
	public boolean onLongClick(View v) {
		if (v.getId() == R.id.microphone_filename) {
			handleOnFilenameLongClick();
		}
		return false;
	}

	@Override
	public void handleMessage(Message msg) {
		Bundle b = msg.getData();
		if (b.containsKey("duration")) {
			int key = b.getInt("duration");
			if (recordDurationTextView != null) {
				recordDurationTextView.setText(StringFormatter.durationStringFromInt(key));
			}
		} else if (b.containsKey("trackposition")) {
			int position = b.getInt("trackposition");
			LayoutParams params = (LayoutParams) progressBarView.getLayoutParams();
			params.width = pixelPerSecond * position;
			progressBarView.setLayoutParams(params);
		}
	}

	private void handleOnFilenameLongClick() {
		ChangeFilenameDialog dialog = new ChangeFilenameDialog();
		dialog.show(((RecorderActivity) context).getFragmentManager(), null);
	}

	private void handleOnRecordClick() {
		if (!isRecording) {
			isRecording = true;
			if (playImageButton.getVisibility() == View.VISIBLE) {
				reorderToRecordLayout();
			}

			AudioHandler.getInstance().startRecording();
			recordImageButton.setImageDrawable(context.getResources().getDrawable(R.drawable.pause_button));
			recordImageButton.setColorFilter(Color.WHITE);
		} else if (isRecording) {
			isRecording = false;
			AudioHandler.getInstance().stopRecording();
			recordImageButton.setImageDrawable(context.getResources().getDrawable(R.drawable.record_button));
			recordImageButton.setColorFilter(Color.RED);
			soundRecorded = true;
			reorderToPlayLayout();
		}
	}

	private void handleOnPlayClick() {
		if (!isPlaying) {
			isPlaying = true;
			AudioHandler.getInstance().playRecordedFile();
			playImageButton.setImageDrawable(context.getResources().getDrawable(R.drawable.pause_button));
		} else if (isPlaying) {
			isPlaying = false;
			AudioHandler.getInstance().stopRecordedFile();
			playImageButton.setImageDrawable(context.getResources().getDrawable(R.drawable.play_button));
		}
	}

	private void handleOnAddToSoundmixerClick() {
		((RecorderActivity) context).returnToMainActivtiy();
	}

	public void handlePlaySoundComplete() {
		isPlaying = false;
		playImageButton.setImageDrawable(context.getResources().getDrawable(R.drawable.play_button));
	}

	public void resetLayoutToRecord() {
		isRecording = false;
		recordImageButton.setImageDrawable(context.getResources().getDrawable(R.drawable.record_button));
		recordImageButton.setColorFilter(Color.RED);
		if (!recordDurationTextView.getText().equals("00:00")) {
			reorderToPlayLayout();
		}
	}

	public void updateFilename(String filename) {
		if (filenameTextView == null) {
			return;
		}
		filenameTextView.setText(filename);
	}

	public void setDurationText(int duration) {
		recordDurationTextView.setText("" + duration);
	}

	public void setTrackDuration(int duration) {
		trackDuration = duration;
		int width = progressBarBoxRelativeLayout.getWidth();// ((LayoutParams)progressBarBoxRelativeLayout.getLayoutParams()).width;
		pixelPerSecond = width / duration;
		Log.i("RecorderLayout", "setTrackDuration: width = " + width + " duration = " + duration);
	}

	private void reorderToRecordLayout() {
		addToSoundMixerBoxRelativeLayout.setVisibility(View.INVISIBLE);
		progressBarView.setVisibility(View.GONE);
		progressBarBoxRelativeLayout.setVisibility(View.GONE);
		playImageButton.setVisibility(View.GONE);

		((LayoutParams) recordImageButton.getLayoutParams()).addRule(RelativeLayout.ALIGN_PARENT_LEFT, 0);
		((LayoutParams) recordImageButton.getLayoutParams()).addRule(RelativeLayout.CENTER_IN_PARENT);
	}

	private void reorderToPlayLayout() {
		addToSoundMixerBoxRelativeLayout.setVisibility(View.VISIBLE);
		progressBarView.setVisibility(View.VISIBLE);
		progressBarBoxRelativeLayout.setVisibility(View.VISIBLE);
		playImageButton.setVisibility(View.VISIBLE);

		((LayoutParams) recordImageButton.getLayoutParams()).addRule(RelativeLayout.CENTER_IN_PARENT, 0);
		((LayoutParams) recordImageButton.getLayoutParams()).addRule(RelativeLayout.ALIGN_PARENT_LEFT);
	}

	public void reset() {
		recordDurationTextView = null;
	}

	public boolean isSoundRecorded() {
		return soundRecorded;
	}

}