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authorScott Jackson <daneren2005@gmail.com>2012-07-07 08:29:52 -0700
committerScott Jackson <daneren2005@gmail.com>2012-07-07 08:29:52 -0700
commit6ebae86dfbb7fa79d81e6b2485f395eeab7267ef (patch)
treebc26b39df3c6a666bcac960042f2ac8cb06ad202 /subsonic-android/src/github/daneren2005/subphonic/provider/SubsonicAppWidgetProvider1.java
parent8a7bb33f73d4fab1e380adf972efc2f3a7ee8b3e (diff)
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Changed project package to github.daneren2005.subphonic
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diff --git a/subsonic-android/src/github/daneren2005/subphonic/provider/SubsonicAppWidgetProvider1.java b/subsonic-android/src/github/daneren2005/subphonic/provider/SubsonicAppWidgetProvider1.java
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+/*
+ This file is part of Subsonic.
+
+ Subsonic is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Subsonic 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
+
+ Copyright 2010 (C) Sindre Mehus
+ */
+package github.daneren2005.subphonic.provider;
+
+import android.app.PendingIntent;
+import android.appwidget.AppWidgetManager;
+import android.appwidget.AppWidgetProvider;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.Bitmap.Config;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.PorterDuff.Mode;
+import android.graphics.PorterDuffXfermode;
+import android.graphics.Rect;
+import android.graphics.RectF;
+import android.os.Environment;
+import android.util.Log;
+import android.view.KeyEvent;
+import android.widget.RemoteViews;
+import github.daneren2005.subphonic.R;
+import github.daneren2005.subphonic.activity.DownloadActivity;
+import github.daneren2005.subphonic.activity.MainActivity;
+import github.daneren2005.subphonic.domain.MusicDirectory;
+import github.daneren2005.subphonic.service.DownloadService;
+import github.daneren2005.subphonic.service.DownloadServiceImpl;
+import github.daneren2005.subphonic.util.FileUtil;
+
+/**
+ * Simple widget to show currently playing album art along
+ * with play/pause and next track buttons.
+ * <p/>
+ * Based on source code from the stock Android Music app.
+ *
+ * @author Sindre Mehus
+ */
+public class SubsonicAppWidgetProvider1 extends AppWidgetProvider {
+
+ private static SubsonicAppWidgetProvider1 instance;
+ private static final String TAG = SubsonicAppWidgetProvider1.class.getSimpleName();
+
+ public static synchronized SubsonicAppWidgetProvider1 getInstance() {
+ if (instance == null) {
+ instance = new SubsonicAppWidgetProvider1();
+ }
+ return instance;
+ }
+
+ @Override
+ public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
+ defaultAppWidget(context, appWidgetIds);
+ }
+
+ /**
+ * Initialize given widgets to default state, where we launch Subsonic on default click
+ * and hide actions if service not running.
+ */
+ private void defaultAppWidget(Context context, int[] appWidgetIds) {
+ final Resources res = context.getResources();
+ final RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.appwidget);
+
+ views.setTextViewText(R.id.artist, res.getText(R.string.widget_initial_text));
+
+ linkButtons(context, views, false);
+ pushUpdate(context, appWidgetIds, views);
+ }
+
+ private void pushUpdate(Context context, int[] appWidgetIds, RemoteViews views) {
+ // Update specific list of appWidgetIds if given, otherwise default to all
+ final AppWidgetManager manager = AppWidgetManager.getInstance(context);
+ if (appWidgetIds != null) {
+ manager.updateAppWidget(appWidgetIds, views);
+ } else {
+ manager.updateAppWidget(new ComponentName(context, this.getClass()), views);
+ }
+ }
+
+ /**
+ * Handle a change notification coming over from {@link DownloadService}
+ */
+ public void notifyChange(Context context, DownloadService service, boolean playing) {
+ if (hasInstances(context)) {
+ performUpdate(context, service, null, playing);
+ }
+ }
+
+ /**
+ * Check against {@link AppWidgetManager} if there are any instances of this widget.
+ */
+ private boolean hasInstances(Context context) {
+ AppWidgetManager manager = AppWidgetManager.getInstance(context);
+ int[] appWidgetIds = manager.getAppWidgetIds(new ComponentName(context, getClass()));
+ return (appWidgetIds.length > 0);
+ }
+
+ /**
+ * Update all active widget instances by pushing changes
+ */
+ private void performUpdate(Context context, DownloadService service, int[] appWidgetIds, boolean playing) {
+ final Resources res = context.getResources();
+ final RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.appwidget);
+
+ MusicDirectory.Entry currentPlaying = service.getCurrentPlaying() == null ? null : service.getCurrentPlaying().getSong();
+ String title = currentPlaying == null ? null : currentPlaying.getTitle();
+ CharSequence artist = currentPlaying == null ? null : currentPlaying.getArtist();
+ CharSequence errorState = null;
+
+ // Show error message?
+ String status = Environment.getExternalStorageState();
+ if (status.equals(Environment.MEDIA_SHARED) ||
+ status.equals(Environment.MEDIA_UNMOUNTED)) {
+ errorState = res.getText(R.string.widget_sdcard_busy);
+ } else if (status.equals(Environment.MEDIA_REMOVED)) {
+ errorState = res.getText(R.string.widget_sdcard_missing);
+ } else if (currentPlaying == null) {
+ errorState = res.getText(R.string.widget_initial_text);
+ }
+
+ if (errorState != null) {
+ // Show error state to user
+ views.setTextViewText(R.id.title,null);
+ views.setTextViewText(R.id.artist, errorState);
+ views.setImageViewResource(R.id.appwidget_coverart, R.drawable.appwidget_art_default);
+ } else {
+ // No error, so show normal titles
+ views.setTextViewText(R.id.title, title);
+ views.setTextViewText(R.id.artist, artist);
+ }
+
+ // Set correct drawable for pause state
+ if (playing) {
+ views.setImageViewResource(R.id.control_play, R.drawable.ic_appwidget_music_pause);
+ } else {
+ views.setImageViewResource(R.id.control_play, R.drawable.ic_appwidget_music_play);
+ }
+
+ // Set the cover art
+ try {
+ int size = context.getResources().getDrawable(R.drawable.appwidget_art_default).getIntrinsicHeight();
+ Bitmap bitmap = currentPlaying == null ? null : FileUtil.getAlbumArtBitmap(context, currentPlaying, size);
+
+ if (bitmap == null) {
+ // Set default cover art
+ views.setImageViewResource(R.id.appwidget_coverart, R.drawable.appwidget_art_unknown);
+ } else {
+ bitmap = getRoundedCornerBitmap(bitmap);
+ views.setImageViewBitmap(R.id.appwidget_coverart, bitmap);
+ }
+ } catch (Exception x) {
+ Log.e(TAG, "Failed to load cover art", x);
+ views.setImageViewResource(R.id.appwidget_coverart, R.drawable.appwidget_art_unknown);
+ }
+
+ // Link actions buttons to intents
+ linkButtons(context, views, currentPlaying != null);
+
+ pushUpdate(context, appWidgetIds, views);
+ }
+
+ /**
+ * Round the corners of a bitmap for the cover art image
+ */
+ private static Bitmap getRoundedCornerBitmap(Bitmap bitmap) {
+ Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
+ Canvas canvas = new Canvas(output);
+
+ final int color = 0xff424242;
+ final Paint paint = new Paint();
+ final float roundPx = 10;
+
+ // Add extra width to the rect so the right side wont be rounded.
+ final Rect rect = new Rect(0, 0, bitmap.getWidth() + (int) roundPx, bitmap.getHeight());
+ final RectF rectF = new RectF(rect);
+
+ paint.setAntiAlias(true);
+ canvas.drawARGB(0, 0, 0, 0);
+ paint.setColor(color);
+ canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
+
+ paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
+ canvas.drawBitmap(bitmap, rect, rect, paint);
+
+ return output;
+ }
+
+ /**
+ * Link up various button actions using {@link PendingIntent}.
+ *
+ * @param playerActive True if player is active in background, which means
+ * widget click will launch {@link DownloadActivity},
+ * otherwise we launch {@link MainActivity}.
+ */
+ private void linkButtons(Context context, RemoteViews views, boolean playerActive) {
+
+ Intent intent = new Intent(context, playerActive ? DownloadActivity.class : MainActivity.class);
+ PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent, 0);
+ views.setOnClickPendingIntent(R.id.appwidget_coverart, pendingIntent);
+ views.setOnClickPendingIntent(R.id.appwidget_top, pendingIntent);
+
+ // Emulate media button clicks.
+ intent = new Intent("1");
+ intent.setComponent(new ComponentName(context, DownloadServiceImpl.class));
+ intent.putExtra(Intent.EXTRA_KEY_EVENT, new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE));
+ pendingIntent = PendingIntent.getService(context, 0, intent, 0);
+ views.setOnClickPendingIntent(R.id.control_play, pendingIntent);
+
+ intent = new Intent("2"); // Use a unique action name to ensure a different PendingIntent to be created.
+ intent.setComponent(new ComponentName(context, DownloadServiceImpl.class));
+ intent.putExtra(Intent.EXTRA_KEY_EVENT, new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_NEXT));
+ pendingIntent = PendingIntent.getService(context, 0, intent, 0);
+ views.setOnClickPendingIntent(R.id.control_next, pendingIntent);
+
+ intent = new Intent("3"); // Use a unique action name to ensure a different PendingIntent to be created.
+ intent.setComponent(new ComponentName(context, DownloadServiceImpl.class));
+ intent.putExtra(Intent.EXTRA_KEY_EVENT, new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_PREVIOUS));
+ pendingIntent = PendingIntent.getService(context, 0, intent, 0);
+ views.setOnClickPendingIntent(R.id.control_previous, pendingIntent);
+ }
+}