| /* |
| * 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 com.android.systemui.statusbar.policy; |
| |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.database.ContentObserver; |
| import android.os.Handler; |
| import android.os.SystemClock; |
| import android.provider.Settings; |
| import android.util.ArrayMap; |
| import android.util.Log; |
| import android.util.Pools; |
| import android.view.ViewTreeObserver; |
| import android.view.accessibility.AccessibilityEvent; |
| |
| import com.android.systemui.R; |
| import com.android.systemui.statusbar.ExpandableNotificationRow; |
| import com.android.systemui.statusbar.NotificationData; |
| import com.android.systemui.statusbar.phone.PhoneStatusBar; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Stack; |
| import java.util.TreeSet; |
| |
| /** |
| * A manager which handles heads up notifications which is a special mode where |
| * they simply peek from the top of the screen. |
| */ |
| public class HeadsUpManager implements ViewTreeObserver.OnComputeInternalInsetsListener { |
| private static final String TAG = "HeadsUpManager"; |
| private static final boolean DEBUG = false; |
| private static final String SETTING_HEADS_UP_SNOOZE_LENGTH_MS = "heads_up_snooze_length_ms"; |
| |
| private final int mHeadsUpNotificationDecay; |
| private final int mMinimumDisplayTime; |
| |
| private final int mTouchAcceptanceDelay; |
| private final ArrayMap<String, Long> mSnoozedPackages; |
| private final HashSet<OnHeadsUpChangedListener> mListeners = new HashSet<>(); |
| private final int mDefaultSnoozeLengthMs; |
| private final Handler mHandler = new Handler(); |
| private final Pools.Pool<HeadsUpEntry> mEntryPool = new Pools.Pool<HeadsUpEntry>() { |
| |
| private Stack<HeadsUpEntry> mPoolObjects = new Stack<>(); |
| |
| @Override |
| public HeadsUpEntry acquire() { |
| if (!mPoolObjects.isEmpty()) { |
| return mPoolObjects.pop(); |
| } |
| return new HeadsUpEntry(); |
| } |
| |
| @Override |
| public boolean release(HeadsUpEntry instance) { |
| instance.reset(); |
| mPoolObjects.push(instance); |
| return true; |
| } |
| }; |
| |
| private PhoneStatusBar mBar; |
| private int mSnoozeLengthMs; |
| private ContentObserver mSettingsObserver; |
| private HashMap<String, HeadsUpEntry> mHeadsUpEntries = new HashMap<>(); |
| private TreeSet<HeadsUpEntry> mSortedEntries = new TreeSet<>(); |
| private HashSet<String> mSwipedOutKeys = new HashSet<>(); |
| private int mUser; |
| private Clock mClock; |
| private boolean mReleaseOnExpandFinish; |
| private boolean mTrackingHeadsUp; |
| private HashSet<NotificationData.Entry> mEntriesToRemoveAfterExpand = new HashSet<>(); |
| private boolean mIsExpanded; |
| private boolean mHasPinnedNotification; |
| private int[] mTmpTwoArray = new int[2]; |
| |
| public HeadsUpManager(final Context context, ViewTreeObserver observer) { |
| Resources resources = context.getResources(); |
| mTouchAcceptanceDelay = resources.getInteger(R.integer.touch_acceptance_delay); |
| mSnoozedPackages = new ArrayMap<>(); |
| mDefaultSnoozeLengthMs = resources.getInteger(R.integer.heads_up_default_snooze_length_ms); |
| mSnoozeLengthMs = mDefaultSnoozeLengthMs; |
| mMinimumDisplayTime = resources.getInteger(R.integer.heads_up_notification_minimum_time); |
| mHeadsUpNotificationDecay = resources.getInteger(R.integer.heads_up_notification_decay); |
| mClock = new Clock(); |
| |
| mSnoozeLengthMs = Settings.Global.getInt(context.getContentResolver(), |
| SETTING_HEADS_UP_SNOOZE_LENGTH_MS, mDefaultSnoozeLengthMs); |
| mSettingsObserver = new ContentObserver(mHandler) { |
| @Override |
| public void onChange(boolean selfChange) { |
| final int packageSnoozeLengthMs = Settings.Global.getInt( |
| context.getContentResolver(), SETTING_HEADS_UP_SNOOZE_LENGTH_MS, -1); |
| if (packageSnoozeLengthMs > -1 && packageSnoozeLengthMs != mSnoozeLengthMs) { |
| mSnoozeLengthMs = packageSnoozeLengthMs; |
| if (DEBUG) Log.v(TAG, "mSnoozeLengthMs = " + mSnoozeLengthMs); |
| } |
| } |
| }; |
| context.getContentResolver().registerContentObserver( |
| Settings.Global.getUriFor(SETTING_HEADS_UP_SNOOZE_LENGTH_MS), false, |
| mSettingsObserver); |
| observer.addOnComputeInternalInsetsListener(this); |
| } |
| |
| public void setBar(PhoneStatusBar bar) { |
| mBar = bar; |
| } |
| |
| public void addListener(OnHeadsUpChangedListener listener) { |
| mListeners.add(listener); |
| } |
| |
| public PhoneStatusBar getBar() { |
| return mBar; |
| } |
| |
| /** |
| * Called when posting a new notification to the heads up. |
| */ |
| public void showNotification(NotificationData.Entry headsUp) { |
| if (DEBUG) Log.v(TAG, "showNotification"); |
| addHeadsUpEntry(headsUp); |
| updateNotification(headsUp, true); |
| headsUp.setInterruption(); |
| } |
| |
| /** |
| * Called when updating or posting a notification to the heads up. |
| */ |
| public void updateNotification(NotificationData.Entry headsUp, boolean alert) { |
| if (DEBUG) Log.v(TAG, "updateNotification"); |
| |
| headsUp.row.setChildrenExpanded(false /* expanded */, false /* animated */); |
| headsUp.row.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED); |
| |
| if (alert) { |
| HeadsUpEntry headsUpEntry = mHeadsUpEntries.get(headsUp.key); |
| headsUpEntry.updateEntry(); |
| setEntryPinned(headsUpEntry, !mIsExpanded /* isPinned */); |
| } |
| } |
| |
| private void addHeadsUpEntry(NotificationData.Entry entry) { |
| HeadsUpEntry headsUpEntry = mEntryPool.acquire(); |
| |
| // This will also add the entry to the sortedList |
| headsUpEntry.setEntry(entry); |
| mHeadsUpEntries.put(entry.key, headsUpEntry); |
| entry.row.setHeadsUp(true); |
| setEntryPinned(headsUpEntry, !mIsExpanded /* isPinned */); |
| for (OnHeadsUpChangedListener listener : mListeners) { |
| listener.onHeadsUpStateChanged(entry, true); |
| } |
| entry.row.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED); |
| } |
| |
| private void setEntryPinned(HeadsUpEntry headsUpEntry, boolean isPinned) { |
| ExpandableNotificationRow row = headsUpEntry.entry.row; |
| if (row.isPinned() != isPinned) { |
| row.setPinned(isPinned); |
| updatePinnedMode(); |
| for (OnHeadsUpChangedListener listener : mListeners) { |
| if (isPinned) { |
| listener.onHeadsUpPinned(row); |
| } else { |
| listener.onHeadsUpUnPinned(row); |
| } |
| } |
| } |
| } |
| |
| private void removeHeadsUpEntry(NotificationData.Entry entry) { |
| HeadsUpEntry remove = mHeadsUpEntries.remove(entry.key); |
| mSortedEntries.remove(remove); |
| entry.row.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED); |
| entry.row.setHeadsUp(false); |
| setEntryPinned(remove, false /* isPinned */); |
| for (OnHeadsUpChangedListener listener : mListeners) { |
| listener.onHeadsUpStateChanged(entry, false); |
| } |
| mEntryPool.release(remove); |
| } |
| |
| private void updatePinnedMode() { |
| boolean hasPinnedNotification = hasPinnedNotificationInternal(); |
| if (hasPinnedNotification == mHasPinnedNotification) { |
| return; |
| } |
| mHasPinnedNotification = hasPinnedNotification; |
| for (OnHeadsUpChangedListener listener : mListeners) { |
| listener.onHeadsUpPinnedModeChanged(hasPinnedNotification); |
| } |
| } |
| |
| /** |
| * React to the removal of the notification in the heads up. |
| * |
| * @return true if the notification was removed and false if it still needs to be kept around |
| * for a bit since it wasn't shown long enough |
| */ |
| public boolean removeNotification(String key) { |
| if (DEBUG) Log.v(TAG, "remove"); |
| if (wasShownLongEnough(key)) { |
| releaseImmediately(key); |
| return true; |
| } else { |
| getHeadsUpEntry(key).removeAsSoonAsPossible(); |
| return false; |
| } |
| } |
| |
| private boolean wasShownLongEnough(String key) { |
| HeadsUpEntry headsUpEntry = getHeadsUpEntry(key); |
| HeadsUpEntry topEntry = getTopEntry(); |
| if (mSwipedOutKeys.contains(key)) { |
| // We always instantly dismiss views being manually swiped out. |
| mSwipedOutKeys.remove(key); |
| return true; |
| } |
| if (headsUpEntry != topEntry) { |
| return true; |
| } |
| return headsUpEntry.wasShownLongEnough(); |
| } |
| |
| public boolean isHeadsUp(String key) { |
| return mHeadsUpEntries.containsKey(key); |
| } |
| |
| /** |
| * Push any current Heads Up notification down into the shade. |
| */ |
| public void releaseAllImmediately() { |
| if (DEBUG) Log.v(TAG, "releaseAllImmediately"); |
| ArrayList<String> keys = new ArrayList<>(mHeadsUpEntries.keySet()); |
| for (String key : keys) { |
| releaseImmediately(key); |
| } |
| } |
| |
| public void releaseImmediately(String key) { |
| HeadsUpEntry headsUpEntry = getHeadsUpEntry(key); |
| if (headsUpEntry == null) { |
| return; |
| } |
| NotificationData.Entry shadeEntry = headsUpEntry.entry; |
| removeHeadsUpEntry(shadeEntry); |
| } |
| |
| public boolean isSnoozed(String packageName) { |
| final String key = snoozeKey(packageName, mUser); |
| Long snoozedUntil = mSnoozedPackages.get(key); |
| if (snoozedUntil != null) { |
| if (snoozedUntil > SystemClock.elapsedRealtime()) { |
| if (DEBUG) Log.v(TAG, key + " snoozed"); |
| return true; |
| } |
| mSnoozedPackages.remove(packageName); |
| } |
| return false; |
| } |
| |
| public void snooze() { |
| for (String key : mHeadsUpEntries.keySet()) { |
| HeadsUpEntry entry = mHeadsUpEntries.get(key); |
| String packageName = entry.entry.notification.getPackageName(); |
| mSnoozedPackages.put(snoozeKey(packageName, mUser), |
| SystemClock.elapsedRealtime() + mSnoozeLengthMs); |
| } |
| mReleaseOnExpandFinish = true; |
| } |
| |
| private static String snoozeKey(String packageName, int user) { |
| return user + "," + packageName; |
| } |
| |
| private HeadsUpEntry getHeadsUpEntry(String key) { |
| return mHeadsUpEntries.get(key); |
| } |
| |
| public NotificationData.Entry getEntry(String key) { |
| return mHeadsUpEntries.get(key).entry; |
| } |
| |
| public TreeSet<HeadsUpEntry> getSortedEntries() { |
| return mSortedEntries; |
| } |
| |
| public HeadsUpEntry getTopEntry() { |
| return mSortedEntries.isEmpty() ? null : mSortedEntries.first(); |
| } |
| |
| /** |
| * Decides whether a click is invalid for a notification, i.e it has not been shown long enough |
| * that a user might have consciously clicked on it. |
| * |
| * @param key the key of the touched notification |
| * @return whether the touch is invalid and should be discarded |
| */ |
| public boolean shouldSwallowClick(String key) { |
| HeadsUpEntry entry = mHeadsUpEntries.get(key); |
| if (entry != null && mClock.currentTimeMillis() < entry.postTime) { |
| return true; |
| } |
| return false; |
| } |
| |
| public void onComputeInternalInsets(ViewTreeObserver.InternalInsetsInfo info) { |
| if (!mIsExpanded && mHasPinnedNotification) { |
| int minX = Integer.MAX_VALUE; |
| int maxX = 0; |
| int minY = Integer.MAX_VALUE; |
| int maxY = 0; |
| for (HeadsUpEntry entry : mSortedEntries) { |
| ExpandableNotificationRow row = entry.entry.row; |
| if (row.isPinned()) { |
| row.getLocationOnScreen(mTmpTwoArray); |
| minX = Math.min(minX, mTmpTwoArray[0]); |
| minY = Math.min(minY, 0); |
| maxX = Math.max(maxX, mTmpTwoArray[0] + row.getWidth()); |
| maxY = Math.max(maxY, row.getHeadsUpHeight()); |
| } |
| } |
| |
| info.setTouchableInsets(ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_REGION); |
| info.touchableRegion.set(minX, minY, maxX, maxY); |
| } |
| } |
| |
| public void setUser(int user) { |
| mUser = user; |
| } |
| |
| public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| pw.println("HeadsUpManager state:"); |
| pw.print(" mTouchAcceptanceDelay="); pw.println(mTouchAcceptanceDelay); |
| pw.print(" mSnoozeLengthMs="); pw.println(mSnoozeLengthMs); |
| pw.print(" now="); pw.println(SystemClock.elapsedRealtime()); |
| pw.print(" mUser="); pw.println(mUser); |
| for (HeadsUpEntry entry: mSortedEntries) { |
| pw.print(" HeadsUpEntry="); pw.println(entry.entry); |
| } |
| int N = mSnoozedPackages.size(); |
| pw.println(" snoozed packages: " + N); |
| for (int i = 0; i < N; i++) { |
| pw.print(" "); pw.print(mSnoozedPackages.valueAt(i)); |
| pw.print(", "); pw.println(mSnoozedPackages.keyAt(i)); |
| } |
| } |
| |
| public boolean hasPinnedHeadsUp() { |
| return mHasPinnedNotification; |
| } |
| |
| private boolean hasPinnedNotificationInternal() { |
| for (String key : mHeadsUpEntries.keySet()) { |
| HeadsUpEntry entry = mHeadsUpEntries.get(key); |
| if (entry.entry.row.isPinned()) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Notifies that a notification was swiped out and will be removed. |
| * |
| * @param key the notification key |
| */ |
| public void addSwipedOutNotification(String key) { |
| mSwipedOutKeys.add(key); |
| } |
| |
| public void unpinAll() { |
| for (String key : mHeadsUpEntries.keySet()) { |
| HeadsUpEntry entry = mHeadsUpEntries.get(key); |
| setEntryPinned(entry, false /* isPinned */); |
| } |
| } |
| |
| public void onExpandingFinished() { |
| if (mReleaseOnExpandFinish) { |
| releaseAllImmediately(); |
| mReleaseOnExpandFinish = false; |
| } else { |
| for (NotificationData.Entry entry : mEntriesToRemoveAfterExpand) { |
| removeHeadsUpEntry(entry); |
| } |
| mEntriesToRemoveAfterExpand.clear(); |
| } |
| } |
| |
| public void setTrackingHeadsUp(boolean trackingHeadsUp) { |
| mTrackingHeadsUp = trackingHeadsUp; |
| } |
| |
| public void setIsExpanded(boolean isExpanded) { |
| if (isExpanded != mIsExpanded) { |
| mIsExpanded = isExpanded; |
| if (isExpanded) { |
| unpinAll(); |
| } |
| } |
| } |
| |
| public int getTopHeadsUpHeight() { |
| HeadsUpEntry topEntry = getTopEntry(); |
| return topEntry != null ? topEntry.entry.row.getHeadsUpHeight() : 0; |
| } |
| |
| /** |
| * Compare two entries and decide how they should be ranked. |
| * |
| * @return -1 if the first argument should be ranked higher than the second, 1 if the second |
| * one should be ranked higher and 0 if they are equal. |
| */ |
| public int compare(NotificationData.Entry a, NotificationData.Entry b) { |
| HeadsUpEntry aEntry = getHeadsUpEntry(a.key); |
| HeadsUpEntry bEntry = getHeadsUpEntry(b.key); |
| if (aEntry == null || bEntry == null) { |
| return aEntry == null ? 1 : -1; |
| } |
| return aEntry.compareTo(bEntry); |
| } |
| |
| |
| /** |
| * This represents a notification and how long it is in a heads up mode. It also manages its |
| * lifecycle automatically when created. |
| */ |
| public class HeadsUpEntry implements Comparable<HeadsUpEntry> { |
| public NotificationData.Entry entry; |
| public long postTime; |
| public long earliestRemovaltime; |
| private Runnable mRemoveHeadsUpRunnable; |
| |
| public void setEntry(final NotificationData.Entry entry) { |
| this.entry = entry; |
| |
| // The actual post time will be just after the heads-up really slided in |
| postTime = mClock.currentTimeMillis() + mTouchAcceptanceDelay; |
| mRemoveHeadsUpRunnable = new Runnable() { |
| @Override |
| public void run() { |
| if (!mTrackingHeadsUp) { |
| removeHeadsUpEntry(entry); |
| } else { |
| mEntriesToRemoveAfterExpand.add(entry); |
| } |
| } |
| }; |
| updateEntry(); |
| } |
| |
| public void updateEntry() { |
| long currentTime = mClock.currentTimeMillis(); |
| earliestRemovaltime = currentTime + mMinimumDisplayTime; |
| postTime = Math.max(postTime, currentTime); |
| removeAutoRemovalCallbacks(); |
| if (canEntryDecay()) { |
| long finishTime = postTime + mHeadsUpNotificationDecay; |
| long removeDelay = Math.max(finishTime - currentTime, mMinimumDisplayTime); |
| mHandler.postDelayed(mRemoveHeadsUpRunnable, removeDelay); |
| } |
| updateSortOrder(HeadsUpEntry.this); |
| } |
| |
| private boolean canEntryDecay() { |
| return entry.notification.getNotification().fullScreenIntent == null; |
| } |
| |
| @Override |
| public int compareTo(HeadsUpEntry o) { |
| return postTime < o.postTime ? 1 |
| : postTime == o.postTime ? 0 |
| : -1; |
| } |
| |
| public void removeAutoRemovalCallbacks() { |
| mHandler.removeCallbacks(mRemoveHeadsUpRunnable); |
| } |
| |
| public boolean wasShownLongEnough() { |
| return earliestRemovaltime < mClock.currentTimeMillis(); |
| } |
| |
| public void removeAsSoonAsPossible() { |
| removeAutoRemovalCallbacks(); |
| mHandler.postDelayed(mRemoveHeadsUpRunnable, |
| earliestRemovaltime - mClock.currentTimeMillis()); |
| } |
| |
| public void reset() { |
| removeAutoRemovalCallbacks(); |
| entry = null; |
| mRemoveHeadsUpRunnable = null; |
| } |
| } |
| |
| /** |
| * Update the sorted heads up order. |
| * |
| * @param headsUpEntry the headsUp that changed |
| */ |
| private void updateSortOrder(HeadsUpEntry headsUpEntry) { |
| mSortedEntries.remove(headsUpEntry); |
| mSortedEntries.add(headsUpEntry); |
| } |
| |
| public static class Clock { |
| public long currentTimeMillis() { |
| return SystemClock.elapsedRealtime(); |
| } |
| } |
| |
| public interface OnHeadsUpChangedListener { |
| /** |
| * The state whether there exist pinned heads-ups or not changed. |
| * |
| * @param inPinnedMode whether there are any pinned heads-ups |
| */ |
| void onHeadsUpPinnedModeChanged(boolean inPinnedMode); |
| |
| /** |
| * A notification was just pinned to the top. |
| */ |
| void onHeadsUpPinned(ExpandableNotificationRow headsUp); |
| |
| /** |
| * A notification was just unpinned from the top. |
| */ |
| void onHeadsUpUnPinned(ExpandableNotificationRow headsUp); |
| |
| /** |
| * A notification just became a heads up or turned back to its normal state. |
| * |
| * @param entry the entry of the changed notification |
| * @param isHeadsUp whether the notification is now a headsUp notification |
| */ |
| void onHeadsUpStateChanged(NotificationData.Entry entry, boolean isHeadsUp); |
| } |
| } |