/*
* Copyright (C) 2011 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.Configuration;
import android.content.res.Resources;
import android.database.ContentObserver;
import android.graphics.Outline;
import android.graphics.Rect;
import android.os.SystemClock;
import android.provider.Settings;
import android.util.ArrayMap;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewConfiguration;
import android.view.ViewGroup;
import android.view.ViewOutlineProvider;
import android.view.ViewTreeObserver;
import android.view.accessibility.AccessibilityEvent;
import android.widget.FrameLayout;
import com.android.systemui.ExpandHelper;
import com.android.systemui.Gefingerpoken;
import com.android.systemui.R;
import com.android.systemui.SwipeHelper;
import com.android.systemui.statusbar.ExpandableView;
import com.android.systemui.statusbar.NotificationData;
import com.android.systemui.statusbar.phone.PhoneStatusBar;
import java.util.ArrayList;
public class HeadsUpNotificationView extends FrameLayout implements SwipeHelper.Callback, ExpandHelper.Callback,
ViewTreeObserver.OnComputeInternalInsetsListener {
private static final String TAG = "HeadsUpNotificationView";
private static final boolean DEBUG = false;
private static final boolean SPEW = DEBUG;
private static final String SETTING_HEADS_UP_SNOOZE_LENGTH_MS = "heads_up_snooze_length_ms";
Rect mTmpRect = new Rect();
int[] mTmpTwoArray = new int[2];
private final int mTouchSensitivityDelay;
private final float mMaxAlpha = 1f;
private final ArrayMap<String, Long> mSnoozedPackages;
private final int mDefaultSnoozeLengthMs;
private SwipeHelper mSwipeHelper;
private EdgeSwipeHelper mEdgeSwipeHelper;
private PhoneStatusBar mBar;
private long mStartTouchTime;
private ViewGroup mContentHolder;
private int mSnoozeLengthMs;
private ContentObserver mSettingsObserver;
private NotificationData.Entry mHeadsUp;
private int mUser;
private String mMostRecentPackageName;
public HeadsUpNotificationView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public HeadsUpNotificationView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
Resources resources = context.getResources();
mTouchSensitivityDelay = resources.getInteger(R.integer.heads_up_sensitivity_delay);
if (DEBUG) Log.v(TAG, "create() " + mTouchSensitivityDelay);
mSnoozedPackages = new ArrayMap<>();
mDefaultSnoozeLengthMs = resources.getInteger(R.integer.heads_up_default_snooze_length_ms);
mSnoozeLengthMs = mDefaultSnoozeLengthMs;
}
public void updateResources() {
if (mContentHolder != null) {
final LayoutParams lp = (LayoutParams) mContentHolder.getLayoutParams();
lp.width = getResources().getDimensionPixelSize(R.dimen.notification_panel_width);
lp.gravity = getResources().getInteger(R.integer.notification_panel_layout_gravity);
mContentHolder.setLayoutParams(lp);
}
}
public void setBar(PhoneStatusBar bar) {
mBar = bar;
}
public ViewGroup getHolder() {
return mContentHolder;
}
public boolean showNotification(NotificationData.Entry headsUp) {
if (mHeadsUp != null && headsUp != null && !mHeadsUp.key.equals(headsUp.key)) {
// bump any previous heads up back to the shade
release();
}
mHeadsUp = headsUp;
if (mContentHolder != null) {
mContentHolder.removeAllViews();
}
if (mHeadsUp != null) {
mMostRecentPackageName = mHeadsUp.notification.getPackageName();
mHeadsUp.row.setSystemExpanded(true);
mHeadsUp.row.setSensitive(false);
mHeadsUp.row.setHeadsUp(true);
mHeadsUp.row.setHideSensitive(
false, false /* animated */, 0 /* delay */, 0 /* duration */);
if (mContentHolder == null) {
// too soon!
return false;
}
mContentHolder.setX(0);
mContentHolder.setVisibility(View.VISIBLE);
mContentHolder.setAlpha(mMaxAlpha);
mContentHolder.addView(mHeadsUp.row);
sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED);
mSwipeHelper.snapChild(mContentHolder, 1f);
mStartTouchTime = SystemClock.elapsedRealtime() + mTouchSensitivityDelay;
mHeadsUp.setInterruption();
// 2. Animate mHeadsUpNotificationView in
mBar.scheduleHeadsUpOpen();
// 3. Set alarm to age the notification off
mBar.resetHeadsUpDecayTimer();
}
return true;
}
@Override
protected void onVisibilityChanged(View changedView, int visibility) {
super.onVisibilityChanged(changedView, visibility);
if (changedView.getVisibility() == VISIBLE) {
sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED);
}
}
public boolean isShowing(String key) {
return mHeadsUp != null && mHeadsUp.key.equals(key);
}
/** Discard the Heads Up notification. */
public void clear() {
mHeadsUp = null;
mBar.scheduleHeadsUpClose();
}
/** Respond to dismissal of the Heads Up window. */
public void dismiss() {
if (mHeadsUp == null) return;
if (mHeadsUp.notification.isClearable()) {
mBar.onNotificationClear(mHeadsUp.notification);
} else {
release();
}
mHeadsUp = null;
mBar.scheduleHeadsUpClose();
}
/** Push any current Heads Up notification down into the shade. */
public void release() {
if (mHeadsUp != null) {
mBar.displayNotificationFromHeadsUp(mHeadsUp.notification);
}
mHeadsUp = null;
}
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;
}
private void snooze() {
if (mMostRecentPackageName != null) {
mSnoozedPackages.put(snoozeKey(mMostRecentPackageName, mUser),
SystemClock.elapsedRealtime() + mSnoozeLengthMs);
}
releaseAndClose();
}
private static String snoozeKey(String packageName, int user) {
return user + "," + packageName;
}
public void releaseAndClose() {
release();
mBar.scheduleHeadsUpClose();
}
public NotificationData.Entry getEntry() {
return mHeadsUp;
}
public boolean isClearable() {
return mHeadsUp == null || mHeadsUp.notification.isClearable();
}
// ViewGroup methods
private static final ViewOutlineProvider CONTENT_HOLDER_OUTLINE_PROVIDER =
new ViewOutlineProvider() {
@Override
public void getOutline(View view, Outline outline) {
int outlineLeft = view.getPaddingLeft();
int outlineTop = view.getPaddingTop();
// Apply padding to shadow.
outline.setRect(outlineLeft, outlineTop,
view.getWidth() - outlineLeft - view.getPaddingRight(),
view.getHeight() - outlineTop - view.getPaddingBottom());
}
};
@Override
public void onAttachedToWindow() {
final ViewConfiguration viewConfiguration = ViewConfiguration.get(getContext());
float touchSlop = viewConfiguration.getScaledTouchSlop();
mSwipeHelper = new SwipeHelper(SwipeHelper.X, this, getContext());
mSwipeHelper.setMaxSwipeProgress(mMaxAlpha);
mEdgeSwipeHelper = new EdgeSwipeHelper(touchSlop);
int minHeight = getResources().getDimensionPixelSize(R.dimen.notification_min_height);
int maxHeight = getResources().getDimensionPixelSize(R.dimen.notification_max_height);
mContentHolder = (ViewGroup) findViewById(R.id.content_holder);
mContentHolder.setOutlineProvider(CONTENT_HOLDER_OUTLINE_PROVIDER);
mSnoozeLengthMs = Settings.Global.getInt(mContext.getContentResolver(),
SETTING_HEADS_UP_SNOOZE_LENGTH_MS, mDefaultSnoozeLengthMs);
mSettingsObserver = new ContentObserver(getHandler()) {
@Override
public void onChange(boolean selfChange) {
final int packageSnoozeLengthMs = Settings.Global.getInt(
mContext.getContentResolver(), SETTING_HEADS_UP_SNOOZE_LENGTH_MS, -1);
if (packageSnoozeLengthMs > -1 && packageSnoozeLengthMs != mSnoozeLengthMs) {
mSnoozeLengthMs = packageSnoozeLengthMs;
if (DEBUG) Log.v(TAG, "mSnoozeLengthMs = " + mSnoozeLengthMs);
}
}
};
mContext.getContentResolver().registerContentObserver(
Settings.Global.getUriFor(SETTING_HEADS_UP_SNOOZE_LENGTH_MS), false,
mSettingsObserver);
if (DEBUG) Log.v(TAG, "mSnoozeLengthMs = " + mSnoozeLengthMs);
if (mHeadsUp != null) {
// whoops, we're on already!
showNotification(mHeadsUp);
}
getViewTreeObserver().addOnComputeInternalInsetsListener(this);
}
@Override
protected void onDetachedFromWindow() {
mContext.getContentResolver().unregisterContentObserver(mSettingsObserver);
}
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
if (DEBUG) Log.v(TAG, "onInterceptTouchEvent()");
if (SystemClock.elapsedRealtime() < mStartTouchTime) {
return true;
}
return mEdgeSwipeHelper.onInterceptTouchEvent(ev)
|| mSwipeHelper.onInterceptTouchEvent(ev)
|| super.onInterceptTouchEvent(ev);
}
// View methods
@Override
public void onDraw(android.graphics.Canvas c) {
super.onDraw(c);
if (DEBUG) {
//Log.d(TAG, "onDraw: canvas height: " + c.getHeight() + "px; measured height: "
// + getMeasuredHeight() + "px");
c.save();
c.clipRect(6, 6, c.getWidth() - 6, getMeasuredHeight() - 6,
android.graphics.Region.Op.DIFFERENCE);
c.drawColor(0xFFcc00cc);
c.restore();
}
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
if (SystemClock.elapsedRealtime() < mStartTouchTime) {
return false;
}
mBar.resetHeadsUpDecayTimer();
return mEdgeSwipeHelper.onTouchEvent(ev)
|| mSwipeHelper.onTouchEvent(ev)
|| super.onTouchEvent(ev);
}
@Override
protected void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
float densityScale = getResources().getDisplayMetrics().density;
mSwipeHelper.setDensityScale(densityScale);
float pagingTouchSlop = ViewConfiguration.get(getContext()).getScaledPagingTouchSlop();
mSwipeHelper.setPagingTouchSlop(pagingTouchSlop);
}
// ExpandHelper.Callback methods
@Override
public ExpandableView getChildAtRawPosition(float x, float y) {
return getChildAtPosition(x, y);
}
@Override
public ExpandableView getChildAtPosition(float x, float y) {
return mHeadsUp == null ? null : mHeadsUp.row;
}
@Override
public boolean canChildBeExpanded(View v) {
return mHeadsUp != null && mHeadsUp.row == v && mHeadsUp.row.isExpandable();
}
@Override
public void setUserExpandedChild(View v, boolean userExpanded) {
if (mHeadsUp != null && mHeadsUp.row == v) {
mHeadsUp.row.setUserExpanded(userExpanded);
}
}
@Override
public void setUserLockedChild(View v, boolean userLocked) {
if (mHeadsUp != null && mHeadsUp.row == v) {
mHeadsUp.row.setUserLocked(userLocked);
}
}
@Override
public void expansionStateChanged(boolean isExpanding) {
}
// SwipeHelper.Callback methods
@Override
public boolean canChildBeDismissed(View v) {
return true;
}
@Override
public boolean isAntiFalsingNeeded() {
return false;
}
@Override
public float getFalsingThresholdFactor() {
return 1.0f;
}
@Override
public void onChildDismissed(View v) {
Log.v(TAG, "User swiped heads up to dismiss");
mBar.onHeadsUpDismissed();
}
@Override
public void onBeginDrag(View v) {
}
@Override
public void onDragCancelled(View v) {
mContentHolder.setAlpha(mMaxAlpha); // sometimes this isn't quite reset
}
@Override
public void onChildSnappedBack(View animView) {
}
@Override
public boolean updateSwipeProgress(View animView, boolean dismissable, float swipeProgress) {
getBackground().setAlpha((int) (255 * swipeProgress));
return false;
}
@Override
public View getChildAtPosition(MotionEvent ev) {
return mContentHolder;
}
@Override
public View getChildContentView(View v) {
return mContentHolder;
}
@Override
public void onComputeInternalInsets(ViewTreeObserver.InternalInsetsInfo info) {
mContentHolder.getLocationOnScreen(mTmpTwoArray);
info.setTouchableInsets(ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_REGION);
info.touchableRegion.set(mTmpTwoArray[0], mTmpTwoArray[1],
mTmpTwoArray[0] + mContentHolder.getWidth(),
mTmpTwoArray[1] + mContentHolder.getHeight());
}
public void escalate() {
mBar.scheduleHeadsUpEscalation();
}
public String getKey() {
return mHeadsUp == null ? null : mHeadsUp.notification.getKey();
}
public void setUser(int user) {
mUser = user;
}
private class EdgeSwipeHelper implements Gefingerpoken {
private static final boolean DEBUG_EDGE_SWIPE = false;
private final float mTouchSlop;
private boolean mConsuming;
private float mFirstY;
private float mFirstX;
public EdgeSwipeHelper(float touchSlop) {
mTouchSlop = touchSlop;
}
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
switch (ev.getActionMasked()) {
case MotionEvent.ACTION_DOWN:
if (DEBUG_EDGE_SWIPE) Log.d(TAG, "action down " + ev.getY());
mFirstX = ev.getX();
mFirstY = ev.getY();
mConsuming = false;
break;
case MotionEvent.ACTION_MOVE:
if (DEBUG_EDGE_SWIPE) Log.d(TAG, "action move " + ev.getY());
final float dY = ev.getY() - mFirstY;
final float daX = Math.abs(ev.getX() - mFirstX);
final float daY = Math.abs(dY);
if (!mConsuming && daX < daY && daY > mTouchSlop) {
snooze();
if (dY > 0) {
if (DEBUG_EDGE_SWIPE) Log.d(TAG, "found an open");
mBar.animateExpandNotificationsPanel();
}
mConsuming = true;
}
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
if (DEBUG_EDGE_SWIPE) Log.d(TAG, "action done" );
mConsuming = false;
break;
}
return mConsuming;
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
return mConsuming;
}
}
}