AlarmAlertActivity.java

    /*
     * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
     *
     * 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 net.micode.notes.ui;

    import android.app.Activity;
    import android.app.AlertDialog;
    import android.content.Context;
    import android.content.DialogInterface;
    import android.content.DialogInterface.OnClickListener;
    import android.content.DialogInterface.OnDismissListener;
    import android.content.Intent;
    import android.media.AudioManager;
    import android.media.MediaPlayer;
    import android.media.RingtoneManager;
    import android.net.Uri;
    import android.os.Bundle;
    import android.os.PowerManager;
    import android.provider.Settings;
    import android.view.Window;
    import android.view.WindowManager;

    import net.micode.notes.R;
    import net.micode.notes.data.Notes;
    import net.micode.notes.tool.DataUtils;

    import java.io.IOException;

    public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
        private long mNoteId;
        private String mSnippet;
        private static final int SNIPPET_PREW_MAX_LEN = 60;
        MediaPlayer mPlayer;

        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            requestWindowFeature(Window.FEATURE_NO_TITLE);

            final Window win = getWindow();
            win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);

            if (!isScreenOn()) {
                win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
                        | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
                        | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
                        | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
            }

            Intent intent = getIntent();

            try {
                mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1));
                mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId);
                mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0,
                        SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info)
                        : mSnippet;
            } catch (IllegalArgumentException e) {
                e.printStackTrace();
                return;
            }

            mPlayer = new MediaPlayer();
            if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
                showActionDialog();
                playAlarmSound();
            } else {
                finish();
            }
        }

        private boolean isScreenOn() {
            PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
            return pm.isScreenOn();
        }

        private void playAlarmSound() {
            Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);

            int silentModeStreams = Settings.System.getInt(getContentResolver(),
                    Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);

            if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) {
                mPlayer.setAudioStreamType(silentModeStreams);
            } else {
                mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM);
            }
            try {
                mPlayer.setDataSource(this, url);
                mPlayer.prepare();
                mPlayer.setLooping(true);
                mPlayer.start();
            } catch (IllegalArgumentException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (SecurityException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (IllegalStateException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }

        private void showActionDialog() {
            AlertDialog.Builder dialog = new AlertDialog.Builder(this);
            dialog.setTitle(R.string.app_name);
            dialog.setMessage(mSnippet);
            dialog.setPositiveButton(R.string.notealert_ok, this);
            if (isScreenOn()) {
                dialog.setNegativeButton(R.string.notealert_enter, this);
            }
            dialog.show().setOnDismissListener(this);
        }

        public void onClick(DialogInterface dialog, int which) {
            switch (which) {
                case DialogInterface.BUTTON_NEGATIVE:
                    Intent intent = new Intent(this, NoteEditActivity.class);
                    intent.setAction(Intent.ACTION_VIEW);
                    intent.putExtra(Intent.EXTRA_UID, mNoteId);
                    startActivity(intent);
                    break;
                default:
                    break;
            }
        }

        public void onDismiss(DialogInterface dialog) {
            stopAlarmSound();
            finish();
        }

        private void stopAlarmSound() {
            if (mPlayer != null) {
                mPlayer.stop();
                mPlayer.release();
                mPlayer = null;
            }
        }
    }