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