| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * 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 android.support.v7.app; |
| |
| import android.app.Notification; |
| import android.app.PendingIntent; |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.graphics.Bitmap; |
| import android.os.Build; |
| import android.os.SystemClock; |
| import android.support.v4.app.NotificationBuilderWithBuilderAccessor; |
| import android.support.v4.app.NotificationCompatBase; |
| import android.support.v7.appcompat.R; |
| import android.util.TypedValue; |
| import android.view.View; |
| import android.widget.RemoteViews; |
| |
| import java.text.NumberFormat; |
| import java.util.List; |
| |
| /** |
| * Helper class to generate MediaStyle notifications for pre-Lollipop platforms. Overrides |
| * contentView and bigContentView of the notification. |
| */ |
| class NotificationCompatImplBase { |
| |
| static final int MAX_MEDIA_BUTTONS_IN_COMPACT = 3; |
| static final int MAX_MEDIA_BUTTONS = 5; |
| |
| public static <T extends NotificationCompatBase.Action> void overrideContentView( |
| NotificationBuilderWithBuilderAccessor builder, |
| Context context, CharSequence contentTitle, CharSequence contentText, |
| CharSequence contentInfo, int number, Bitmap largeIcon, CharSequence subText, |
| boolean useChronometer, long when, List<T> actions, int[] actionsToShowInCompact, |
| boolean showCancelButton, PendingIntent cancelButtonIntent) { |
| RemoteViews views = generateContentView(context, contentTitle, contentText, contentInfo, |
| number, largeIcon, subText, useChronometer, when, actions, actionsToShowInCompact, |
| showCancelButton, cancelButtonIntent); |
| builder.getBuilder().setContent(views); |
| if (showCancelButton) { |
| builder.getBuilder().setOngoing(true); |
| } |
| } |
| |
| private static <T extends NotificationCompatBase.Action> RemoteViews generateContentView( |
| Context context, CharSequence contentTitle, CharSequence contentText, |
| CharSequence contentInfo, int number, Bitmap largeIcon, CharSequence subText, |
| boolean useChronometer, long when, List<T> actions, int[] actionsToShowInCompact, |
| boolean showCancelButton, PendingIntent cancelButtonIntent) { |
| RemoteViews view = applyStandardTemplate(context, contentTitle, contentText, contentInfo, |
| number, largeIcon, subText, useChronometer, when, |
| R.layout.notification_template_media, true /* fitIn1U */); |
| |
| final int numActions = actions.size(); |
| final int N = actionsToShowInCompact == null |
| ? 0 |
| : Math.min(actionsToShowInCompact.length, MAX_MEDIA_BUTTONS_IN_COMPACT); |
| view.removeAllViews(R.id.media_actions); |
| if (N > 0) { |
| for (int i = 0; i < N; i++) { |
| if (i >= numActions) { |
| throw new IllegalArgumentException(String.format( |
| "setShowActionsInCompactView: action %d out of bounds (max %d)", |
| i, numActions - 1)); |
| } |
| |
| final NotificationCompatBase.Action action = actions.get(actionsToShowInCompact[i]); |
| final RemoteViews button = generateMediaActionButton(context, action); |
| view.addView(R.id.media_actions, button); |
| } |
| } |
| if (showCancelButton) { |
| view.setViewVisibility(R.id.end_padder, View.GONE); |
| view.setViewVisibility(R.id.cancel_action, View.VISIBLE); |
| view.setOnClickPendingIntent(R.id.cancel_action, cancelButtonIntent); |
| view.setInt(R.id.cancel_action, "setAlpha", |
| context.getResources().getInteger(R.integer.cancel_button_image_alpha)); |
| } else { |
| view.setViewVisibility(R.id.end_padder, View.VISIBLE); |
| view.setViewVisibility(R.id.cancel_action, View.GONE); |
| } |
| return view; |
| } |
| |
| public static <T extends NotificationCompatBase.Action> void overrideBigContentView( |
| Notification n, Context context, CharSequence contentTitle, CharSequence contentText, |
| CharSequence contentInfo, int number, Bitmap largeIcon, CharSequence subText, |
| boolean useChronometer, long when, List<T> actions, boolean showCancelButton, |
| PendingIntent cancelButtonIntent) { |
| n.bigContentView = generateBigContentView(context, contentTitle, contentText, contentInfo, |
| number, largeIcon, subText, useChronometer, when, actions, showCancelButton, |
| cancelButtonIntent); |
| if (showCancelButton) { |
| n.flags |= Notification.FLAG_ONGOING_EVENT; |
| } |
| } |
| |
| private static <T extends NotificationCompatBase.Action> RemoteViews generateBigContentView( |
| Context context, CharSequence contentTitle, CharSequence contentText, |
| CharSequence contentInfo, int number, Bitmap largeIcon, CharSequence subText, |
| boolean useChronometer, long when, List<T> actions, boolean showCancelButton, |
| PendingIntent cancelButtonIntent) { |
| final int actionCount = Math.min(actions.size(), MAX_MEDIA_BUTTONS); |
| RemoteViews big = applyStandardTemplate(context, contentTitle, contentText, contentInfo, |
| number, largeIcon, subText, useChronometer, when, |
| getBigLayoutResource(actionCount), false /* fitIn1U */); |
| |
| big.removeAllViews(R.id.media_actions); |
| if (actionCount > 0) { |
| for (int i = 0; i < actionCount; i++) { |
| final RemoteViews button = generateMediaActionButton(context, actions.get(i)); |
| big.addView(R.id.media_actions, button); |
| } |
| } |
| if (showCancelButton) { |
| big.setViewVisibility(R.id.cancel_action, View.VISIBLE); |
| big.setInt(R.id.cancel_action, "setAlpha", |
| context.getResources().getInteger(R.integer.cancel_button_image_alpha)); |
| big.setOnClickPendingIntent(R.id.cancel_action, cancelButtonIntent); |
| } else { |
| big.setViewVisibility(R.id.cancel_action, View.GONE); |
| } |
| return big; |
| } |
| |
| private static RemoteViews generateMediaActionButton(Context context, |
| NotificationCompatBase.Action action) { |
| final boolean tombstone = (action.getActionIntent() == null); |
| RemoteViews button = new RemoteViews(context.getPackageName(), |
| R.layout.notification_media_action); |
| button.setImageViewResource(R.id.action0, action.getIcon()); |
| if (!tombstone) { |
| button.setOnClickPendingIntent(R.id.action0, action.getActionIntent()); |
| } |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1) { |
| button.setContentDescription(R.id.action0, action.getTitle()); |
| } |
| return button; |
| } |
| |
| private static int getBigLayoutResource(int actionCount) { |
| if (actionCount <= 3) { |
| return R.layout.notification_template_big_media_narrow; |
| } else { |
| return R.layout.notification_template_big_media; |
| } |
| } |
| |
| private static RemoteViews applyStandardTemplate(Context context, |
| CharSequence contentTitle, CharSequence contentText, CharSequence contentInfo, |
| int number, Bitmap largeIcon, CharSequence subText, boolean useChronometer, long when, |
| int resId, boolean fitIn1U) { |
| RemoteViews contentView = new RemoteViews(context.getPackageName(), resId); |
| boolean showLine3 = false; |
| boolean showLine2 = false; |
| |
| // On versions before Jellybean, the large icon was shown by SystemUI, so we need to hide |
| // it here. |
| if (largeIcon != null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { |
| contentView.setViewVisibility(R.id.icon, View.VISIBLE); |
| contentView.setImageViewBitmap(R.id.icon, largeIcon); |
| } else { |
| contentView.setViewVisibility(R.id.icon, View.GONE); |
| } |
| if (contentTitle != null) { |
| contentView.setTextViewText(R.id.title, contentTitle); |
| } |
| if (contentText != null) { |
| contentView.setTextViewText(R.id.text, contentText); |
| showLine3 = true; |
| } |
| if (contentInfo != null) { |
| contentView.setTextViewText(R.id.info, contentInfo); |
| contentView.setViewVisibility(R.id.info, View.VISIBLE); |
| showLine3 = true; |
| } else if (number > 0) { |
| final int tooBig = context.getResources().getInteger( |
| R.integer.status_bar_notification_info_maxnum); |
| if (number > tooBig) { |
| contentView.setTextViewText(R.id.info, context.getResources().getString( |
| R.string.status_bar_notification_info_overflow)); |
| } else { |
| NumberFormat f = NumberFormat.getIntegerInstance(); |
| contentView.setTextViewText(R.id.info, f.format(number)); |
| } |
| contentView.setViewVisibility(R.id.info, View.VISIBLE); |
| showLine3 = true; |
| } else { |
| contentView.setViewVisibility(R.id.info, View.GONE); |
| } |
| |
| // Need to show three lines? Only allow on Jellybean+ |
| if (subText != null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { |
| contentView.setTextViewText(R.id.text, subText); |
| if (contentText != null) { |
| contentView.setTextViewText(R.id.text2, contentText); |
| contentView.setViewVisibility(R.id.text2, View.VISIBLE); |
| showLine2 = true; |
| } else { |
| contentView.setViewVisibility(R.id.text2, View.GONE); |
| } |
| } |
| |
| // RemoteViews.setViewPadding and RemoteViews.setTextViewTextSize is not available on ICS- |
| if (showLine2 && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { |
| if (fitIn1U) { |
| // need to shrink all the type to make sure everything fits |
| final Resources res = context.getResources(); |
| final float subTextSize = res.getDimensionPixelSize( |
| R.dimen.notification_subtext_size); |
| contentView.setTextViewTextSize(R.id.text, TypedValue.COMPLEX_UNIT_PX, subTextSize); |
| } |
| // vertical centering |
| contentView.setViewPadding(R.id.line1, 0, 0, 0, 0); |
| } |
| |
| if (when != 0) { |
| if (useChronometer) { |
| contentView.setViewVisibility(R.id.chronometer, View.VISIBLE); |
| contentView.setLong(R.id.chronometer, "setBase", |
| when + (SystemClock.elapsedRealtime() - System.currentTimeMillis())); |
| contentView.setBoolean(R.id.chronometer, "setStarted", true); |
| } else { |
| contentView.setViewVisibility(R.id.time, View.VISIBLE); |
| contentView.setLong(R.id.time, "setTime", when); |
| } |
| } |
| contentView.setViewVisibility(R.id.line3, showLine3 ? View.VISIBLE : View.GONE); |
| return contentView; |
| } |
| } |
