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/*
* Copyright (C) 2017 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.launcher3.widget;
import android.animation.PropertyValuesHolder;
import android.content.Context;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.util.Pair;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import com.android.launcher3.Insettable;
import com.android.launcher3.ItemInfo;
import com.android.launcher3.LauncherAppState;
import com.android.launcher3.R;
import com.android.launcher3.Utilities;
import com.android.launcher3.anim.Interpolators;
import com.android.launcher3.model.WidgetItem;
import com.android.launcher3.util.PackageUserKey;
import java.util.List;
/**
* Bottom sheet for the "Widgets" system shortcut in the long-press popup.
*/
public class WidgetsBottomSheet extends BaseWidgetSheet implements Insettable {
private static final int DEFAULT_CLOSE_DURATION = 200;
private ItemInfo mOriginalItemInfo;
private Rect mInsets;
public WidgetsBottomSheet(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public WidgetsBottomSheet(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
setWillNotDraw(false);
mInsets = new Rect();
mContent = this;
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
super.onLayout(changed, l, t, r, b);
setTranslationShift(mTranslationShift);
}
public void populateAndShow(ItemInfo itemInfo) {
mOriginalItemInfo = itemInfo;
((TextView) findViewById(R.id.title)).setText(getContext().getString(
R.string.widgets_bottom_sheet_title, mOriginalItemInfo.title));
onWidgetsBound();
mLauncher.getDragLayer().addView(this);
mIsOpen = false;
animateOpen();
}
@Override
protected void onWidgetsBound() {
List<WidgetItem> widgets = mLauncher.getPopupDataProvider().getWidgetsForPackageUser(
new PackageUserKey(
mOriginalItemInfo.getTargetComponent().getPackageName(),
mOriginalItemInfo.user));
ViewGroup widgetRow = findViewById(R.id.widgets);
ViewGroup widgetCells = widgetRow.findViewById(R.id.widgets_cell_list);
widgetCells.removeAllViews();
for (int i = 0; i < widgets.size(); i++) {
WidgetCell widget = addItemCell(widgetCells);
widget.applyFromCellItem(widgets.get(i), LauncherAppState.getInstance(mLauncher)
.getWidgetCache());
widget.ensurePreview();
widget.setVisibility(View.VISIBLE);
if (i < widgets.size() - 1) {
addDivider(widgetCells);
}
}
if (widgets.size() == 1) {
// If there is only one widget, we want to center it instead of left-align.
WidgetsBottomSheet.LayoutParams params = (WidgetsBottomSheet.LayoutParams)
widgetRow.getLayoutParams();
params.gravity = Gravity.CENTER_HORIZONTAL;
} else {
// Otherwise, add an empty view to the start as padding (but still scroll edge to edge).
View leftPaddingView = LayoutInflater.from(getContext()).inflate(
R.layout.widget_list_divider, widgetRow, false);
leftPaddingView.getLayoutParams().width = Utilities.pxFromDp(
16, getResources().getDisplayMetrics());
widgetCells.addView(leftPaddingView, 0);
}
}
private void addDivider(ViewGroup parent) {
LayoutInflater.from(getContext()).inflate(R.layout.widget_list_divider, parent, true);
}
private WidgetCell addItemCell(ViewGroup parent) {
WidgetCell widget = (WidgetCell) LayoutInflater.from(getContext()).inflate(
R.layout.widget_cell, parent, false);
widget.setOnClickListener(this);
widget.setOnLongClickListener(this);
widget.setAnimatePreview(false);
parent.addView(widget);
return widget;
}
private void animateOpen() {
if (mIsOpen || mOpenCloseAnimator.isRunning()) {
return;
}
mIsOpen = true;
setupNavBarColor();
mOpenCloseAnimator.setValues(
PropertyValuesHolder.ofFloat(TRANSLATION_SHIFT, TRANSLATION_SHIFT_OPENED));
mOpenCloseAnimator.setInterpolator(Interpolators.FAST_OUT_SLOW_IN);
mOpenCloseAnimator.start();
}
@Override
protected void handleClose(boolean animate) {
handleClose(animate, DEFAULT_CLOSE_DURATION);
}
@Override
protected boolean isOfType(@FloatingViewType int type) {
return (type & TYPE_WIDGETS_BOTTOM_SHEET) != 0;
}
@Override
public void setInsets(Rect insets) {
// Extend behind left, right, and bottom insets.
int leftInset = insets.left - mInsets.left;
int rightInset = insets.right - mInsets.right;
int bottomInset = insets.bottom - mInsets.bottom;
mInsets.set(insets);
setPadding(getPaddingLeft() + leftInset, getPaddingTop(),
getPaddingRight() + rightInset, getPaddingBottom() + bottomInset);
}
@Override
protected int getElementsRowCount() {
return 1;
}
@Override
protected Pair<View, String> getAccessibilityTarget() {
return Pair.create(findViewById(R.id.title), getContext().getString(
mIsOpen ? R.string.widgets_list : R.string.widgets_list_closed));
}
}
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