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.widget; 18 19 import android.animation.Animator; 20 import android.animation.ObjectAnimator; 21 import android.animation.PropertyValuesHolder; 22 import android.content.Context; 23 import android.graphics.Rect; 24 import android.util.AttributeSet; 25 import android.util.IntProperty; 26 import android.util.Pair; 27 import android.view.Gravity; 28 import android.view.LayoutInflater; 29 import android.view.View; 30 import android.view.ViewGroup; 31 import android.widget.TextView; 32 33 import androidx.annotation.Nullable; 34 35 import com.android.launcher3.Insettable; 36 import com.android.launcher3.ItemInfo; 37 import com.android.launcher3.LauncherAppState; 38 import com.android.launcher3.R; 39 import com.android.launcher3.ResourceUtils; 40 import com.android.launcher3.anim.Interpolators; 41 import com.android.launcher3.model.WidgetItem; 42 import com.android.launcher3.util.PackageUserKey; 43 44 import java.util.List; 45 46 /** 47 * Bottom sheet for the "Widgets" system shortcut in the long-press popup. 48 */ 49 public class WidgetsBottomSheet extends BaseWidgetSheet implements Insettable { 50 51 private static final IntProperty<View> PADDING_BOTTOM = 52 new IntProperty<View>("paddingBottom") { 53 @Override 54 public void setValue(View view, int paddingBottom) { 55 view.setPadding(view.getPaddingLeft(), view.getPaddingTop(), 56 view.getPaddingRight(), paddingBottom); 57 } 58 59 @Override 60 public Integer get(View view) { 61 return view.getPaddingBottom(); 62 } 63 }; 64 65 private static final int DEFAULT_CLOSE_DURATION = 200; 66 private ItemInfo mOriginalItemInfo; 67 private Rect mInsets; 68 WidgetsBottomSheet(Context context, AttributeSet attrs)69 public WidgetsBottomSheet(Context context, AttributeSet attrs) { 70 this(context, attrs, 0); 71 } 72 WidgetsBottomSheet(Context context, AttributeSet attrs, int defStyleAttr)73 public WidgetsBottomSheet(Context context, AttributeSet attrs, int defStyleAttr) { 74 super(context, attrs, defStyleAttr); 75 setWillNotDraw(false); 76 mInsets = new Rect(); 77 mContent = this; 78 } 79 80 @Override onLayout(boolean changed, int l, int t, int r, int b)81 protected void onLayout(boolean changed, int l, int t, int r, int b) { 82 super.onLayout(changed, l, t, r, b); 83 setTranslationShift(mTranslationShift); 84 } 85 populateAndShow(ItemInfo itemInfo)86 public void populateAndShow(ItemInfo itemInfo) { 87 mOriginalItemInfo = itemInfo; 88 ((TextView) findViewById(R.id.title)).setText(getContext().getString( 89 R.string.widgets_bottom_sheet_title, mOriginalItemInfo.title)); 90 91 onWidgetsBound(); 92 attachToContainer(); 93 mIsOpen = false; 94 animateOpen(); 95 } 96 97 @Override onWidgetsBound()98 public void onWidgetsBound() { 99 List<WidgetItem> widgets = mLauncher.getPopupDataProvider().getWidgetsForPackageUser( 100 new PackageUserKey( 101 mOriginalItemInfo.getTargetComponent().getPackageName(), 102 mOriginalItemInfo.user)); 103 104 ViewGroup widgetRow = findViewById(R.id.widgets); 105 ViewGroup widgetCells = widgetRow.findViewById(R.id.widgets_cell_list); 106 107 widgetCells.removeAllViews(); 108 109 for (int i = 0; i < widgets.size(); i++) { 110 WidgetCell widget = addItemCell(widgetCells); 111 widget.applyFromCellItem(widgets.get(i), LauncherAppState.getInstance(mLauncher) 112 .getWidgetCache()); 113 widget.ensurePreview(); 114 widget.setVisibility(View.VISIBLE); 115 if (i < widgets.size() - 1) { 116 addDivider(widgetCells); 117 } 118 } 119 120 if (widgets.size() == 1) { 121 // If there is only one widget, we want to center it instead of left-align. 122 WidgetsBottomSheet.LayoutParams params = (WidgetsBottomSheet.LayoutParams) 123 widgetRow.getLayoutParams(); 124 params.gravity = Gravity.CENTER_HORIZONTAL; 125 } else { 126 // Otherwise, add an empty view to the start as padding (but still scroll edge to edge). 127 View leftPaddingView = LayoutInflater.from(getContext()).inflate( 128 R.layout.widget_list_divider, widgetRow, false); 129 leftPaddingView.getLayoutParams().width = ResourceUtils.pxFromDp( 130 16, getResources().getDisplayMetrics()); 131 widgetCells.addView(leftPaddingView, 0); 132 } 133 } 134 addDivider(ViewGroup parent)135 private void addDivider(ViewGroup parent) { 136 LayoutInflater.from(getContext()).inflate(R.layout.widget_list_divider, parent, true); 137 } 138 addItemCell(ViewGroup parent)139 protected WidgetCell addItemCell(ViewGroup parent) { 140 WidgetCell widget = (WidgetCell) LayoutInflater.from(getContext()).inflate( 141 R.layout.widget_cell, parent, false); 142 143 widget.setOnClickListener(this); 144 widget.setOnLongClickListener(this); 145 widget.setAnimatePreview(false); 146 147 parent.addView(widget); 148 return widget; 149 } 150 animateOpen()151 private void animateOpen() { 152 if (mIsOpen || mOpenCloseAnimator.isRunning()) { 153 return; 154 } 155 mIsOpen = true; 156 setupNavBarColor(); 157 mOpenCloseAnimator.setValues( 158 PropertyValuesHolder.ofFloat(TRANSLATION_SHIFT, TRANSLATION_SHIFT_OPENED)); 159 mOpenCloseAnimator.setInterpolator(Interpolators.FAST_OUT_SLOW_IN); 160 mOpenCloseAnimator.start(); 161 } 162 163 @Override handleClose(boolean animate)164 protected void handleClose(boolean animate) { 165 handleClose(animate, DEFAULT_CLOSE_DURATION); 166 } 167 168 @Override isOfType(@loatingViewType int type)169 protected boolean isOfType(@FloatingViewType int type) { 170 return (type & TYPE_WIDGETS_BOTTOM_SHEET) != 0; 171 } 172 173 @Override setInsets(Rect insets)174 public void setInsets(Rect insets) { 175 // Extend behind left, right, and bottom insets. 176 int leftInset = insets.left - mInsets.left; 177 int rightInset = insets.right - mInsets.right; 178 int bottomInset = insets.bottom - mInsets.bottom; 179 mInsets.set(insets); 180 setPadding(leftInset, getPaddingTop(), rightInset, bottomInset); 181 } 182 183 @Override getElementsRowCount()184 protected int getElementsRowCount() { 185 return 1; 186 } 187 188 @Override getAccessibilityTarget()189 protected Pair<View, String> getAccessibilityTarget() { 190 return Pair.create(findViewById(R.id.title), getContext().getString( 191 mIsOpen ? R.string.widgets_list : R.string.widgets_list_closed)); 192 } 193 194 @Nullable 195 @Override createHintCloseAnim(float distanceToMove)196 public Animator createHintCloseAnim(float distanceToMove) { 197 return ObjectAnimator.ofInt(this, PADDING_BOTTOM, (int) (distanceToMove + mInsets.bottom)); 198 } 199 } 200