1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.launcher3.notification; 18 19 import android.animation.ObjectAnimator; 20 import android.content.Context; 21 import android.content.res.ColorStateList; 22 import android.graphics.drawable.ColorDrawable; 23 import android.graphics.drawable.RippleDrawable; 24 import android.text.TextUtils; 25 import android.util.AttributeSet; 26 import android.view.View; 27 import android.view.ViewGroup; 28 import android.view.ViewPropertyAnimator; 29 import android.widget.FrameLayout; 30 import android.widget.TextView; 31 32 import com.android.launcher3.ItemInfo; 33 import com.android.launcher3.Launcher; 34 import com.android.launcher3.R; 35 import com.android.launcher3.touch.OverScroll; 36 import com.android.launcher3.touch.SwipeDetector; 37 import com.android.launcher3.userevent.nano.LauncherLogProto; 38 import com.android.launcher3.util.Themes; 39 40 /** 41 * A {@link android.widget.FrameLayout} that contains a single notification, 42 * e.g. icon + title + text. 43 */ 44 public class NotificationMainView extends FrameLayout implements SwipeDetector.Listener { 45 46 private NotificationInfo mNotificationInfo; 47 private ViewGroup mTextAndBackground; 48 private int mBackgroundColor; 49 private TextView mTitleView; 50 private TextView mTextView; 51 52 private SwipeDetector mSwipeDetector; 53 NotificationMainView(Context context)54 public NotificationMainView(Context context) { 55 this(context, null, 0); 56 } 57 NotificationMainView(Context context, AttributeSet attrs)58 public NotificationMainView(Context context, AttributeSet attrs) { 59 this(context, attrs, 0); 60 } 61 NotificationMainView(Context context, AttributeSet attrs, int defStyle)62 public NotificationMainView(Context context, AttributeSet attrs, int defStyle) { 63 super(context, attrs, defStyle); 64 } 65 66 @Override onFinishInflate()67 protected void onFinishInflate() { 68 super.onFinishInflate(); 69 70 mTextAndBackground = (ViewGroup) findViewById(R.id.text_and_background); 71 ColorDrawable colorBackground = (ColorDrawable) mTextAndBackground.getBackground(); 72 mBackgroundColor = colorBackground.getColor(); 73 RippleDrawable rippleBackground = new RippleDrawable(ColorStateList.valueOf( 74 Themes.getAttrColor(getContext(), android.R.attr.colorControlHighlight)), 75 colorBackground, null); 76 mTextAndBackground.setBackground(rippleBackground); 77 mTitleView = (TextView) mTextAndBackground.findViewById(R.id.title); 78 mTextView = (TextView) mTextAndBackground.findViewById(R.id.text); 79 } 80 applyNotificationInfo(NotificationInfo mainNotification, View iconView)81 public void applyNotificationInfo(NotificationInfo mainNotification, View iconView) { 82 applyNotificationInfo(mainNotification, iconView, false); 83 } 84 setSwipeDetector(SwipeDetector swipeDetector)85 public void setSwipeDetector(SwipeDetector swipeDetector) { 86 mSwipeDetector = swipeDetector; 87 } 88 89 /** 90 * Sets the content of this view, animating it after a new icon shifts up if necessary. 91 */ applyNotificationInfo(NotificationInfo mainNotification, View iconView, boolean animate)92 public void applyNotificationInfo(NotificationInfo mainNotification, View iconView, 93 boolean animate) { 94 mNotificationInfo = mainNotification; 95 CharSequence title = mNotificationInfo.title; 96 CharSequence text = mNotificationInfo.text; 97 if (!TextUtils.isEmpty(title) && !TextUtils.isEmpty(text)) { 98 mTitleView.setText(title.toString()); 99 mTextView.setText(text.toString()); 100 } else { 101 mTitleView.setMaxLines(2); 102 mTitleView.setText(TextUtils.isEmpty(title) ? text.toString() : title.toString()); 103 mTextView.setVisibility(GONE); 104 } 105 iconView.setBackground(mNotificationInfo.getIconForBackground(getContext(), 106 mBackgroundColor)); 107 if (mNotificationInfo.intent != null) { 108 setOnClickListener(mNotificationInfo); 109 } 110 setTranslationX(0); 111 // Add a dummy ItemInfo so that logging populates the correct container and item types 112 // instead of DEFAULT_CONTAINERTYPE and DEFAULT_ITEMTYPE, respectively. 113 setTag(new ItemInfo()); 114 if (animate) { 115 ObjectAnimator.ofFloat(mTextAndBackground, ALPHA, 0, 1).setDuration(150).start(); 116 } 117 } 118 getNotificationInfo()119 public NotificationInfo getNotificationInfo() { 120 return mNotificationInfo; 121 } 122 123 canChildBeDismissed()124 public boolean canChildBeDismissed() { 125 return mNotificationInfo != null && mNotificationInfo.dismissable; 126 } 127 onChildDismissed()128 public void onChildDismissed() { 129 Launcher launcher = Launcher.getLauncher(getContext()); 130 launcher.getPopupDataProvider().cancelNotification( 131 mNotificationInfo.notificationKey); 132 launcher.getUserEventDispatcher().logActionOnItem( 133 LauncherLogProto.Action.Touch.SWIPE, 134 LauncherLogProto.Action.Direction.RIGHT, // Assume all swipes are right for logging. 135 LauncherLogProto.ItemType.NOTIFICATION); 136 } 137 138 // SwipeDetector.Listener's 139 @Override onDragStart(boolean start)140 public void onDragStart(boolean start) { } 141 142 143 @Override onDrag(float displacement, float velocity)144 public boolean onDrag(float displacement, float velocity) { 145 setTranslationX(canChildBeDismissed() 146 ? displacement : OverScroll.dampedScroll(displacement, getWidth())); 147 animate().cancel(); 148 return true; 149 } 150 151 @Override onDragEnd(float velocity, boolean fling)152 public void onDragEnd(float velocity, boolean fling) { 153 final boolean willExit; 154 final float endTranslation; 155 156 if (!canChildBeDismissed()) { 157 willExit = false; 158 endTranslation = 0; 159 } else if (fling) { 160 willExit = true; 161 endTranslation = velocity < 0 ? - getWidth() : getWidth(); 162 } else if (Math.abs(getTranslationX()) > getWidth() / 2) { 163 willExit = true; 164 endTranslation = (getTranslationX() < 0 ? -getWidth() : getWidth()); 165 } else { 166 willExit = false; 167 endTranslation = 0; 168 } 169 170 SwipeDetector.ScrollInterpolator interpolator = new SwipeDetector.ScrollInterpolator(); 171 interpolator.setVelocityAtZero(velocity); 172 173 long duration = SwipeDetector.calculateDuration(velocity, 174 (endTranslation - getTranslationX()) / getWidth()); 175 animate() 176 .setDuration(duration) 177 .setInterpolator(interpolator) 178 .translationX(endTranslation) 179 .withEndAction(new Runnable() { 180 @Override 181 public void run() { 182 mSwipeDetector.finishedScrolling(); 183 if (willExit) { 184 onChildDismissed(); 185 } 186 } 187 }).start(); 188 } 189 } 190