Shamali P
7a183e4051
- Introduces a WidgetTableRow that identifies preview height for all of its children while keeping them aligned with minimum whitespace - The fullSheet's move / change animations can conflict with the resize so, we wait for them before performing resize of the row. Bug: 335715046 Test: Manual Flag: NONE BUGFIX Change-Id: Id843430c7adfc228c219ba54d504baddba792df0
91 lines
3.0 KiB
Java
91 lines
3.0 KiB
Java
/*
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* Copyright (C) 2024 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3.widget;
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import android.content.Context;
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import android.util.AttributeSet;
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import android.widget.TableRow;
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/**
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* A row of {@link WidgetCell}s that can be displayed in a table.
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*/
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public class WidgetTableRow extends TableRow implements WidgetCell.PreviewReadyListener {
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private int mNumOfReadyCells;
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private int mNumOfCells;
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private int mResizeDelay;
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public WidgetTableRow(Context context) {
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super(context);
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}
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public WidgetTableRow(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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@Override
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public void onPreviewAvailable() {
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mNumOfReadyCells++;
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// Once all previews are loaded, find max visible height and adjust the preview containers.
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if (mNumOfReadyCells == mNumOfCells) {
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resize();
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}
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}
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private void resize() {
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int previewHeight = 0;
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// get the maximum height of each widget preview
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for (int i = 0; i < getChildCount(); i++) {
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WidgetCell widgetCell = (WidgetCell) getChildAt(i);
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previewHeight = Math.max(widgetCell.getPreviewContentHeight(), previewHeight);
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}
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if (mResizeDelay > 0) {
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postDelayed(() -> setAlpha(1f), mResizeDelay);
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}
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if (previewHeight > 0) {
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for (int i = 0; i < getChildCount(); i++) {
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WidgetCell widgetCell = (WidgetCell) getChildAt(i);
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widgetCell.setParentAlignedPreviewHeight(previewHeight);
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widgetCell.postDelayed(widgetCell::requestLayout, mResizeDelay);
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}
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}
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}
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@Override
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protected void onLayout(boolean changed, int l, int t, int r, int b) {
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super.onLayout(changed, l, t, r, b);
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}
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/**
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* Sets up the row to display the provided number of numOfCells.
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*
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* @param numOfCells number of numOfCells in the row
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* @param resizeDelayMs time to wait in millis before making any layout size adjustments e.g. we
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* want to wait for list expand collapse animation before resizing the
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* cell previews.
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*/
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public void setupRow(int numOfCells, int resizeDelayMs) {
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mNumOfCells = numOfCells;
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mNumOfReadyCells = 0;
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mResizeDelay = resizeDelayMs;
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// For delayed resize, reveal contents only after resize is done.
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if (mResizeDelay > 0) {
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setAlpha(0);
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}
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}
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}
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