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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.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.PropertyValuesHolder;
import android.content.Context;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.animation.AnimationUtils;
import com.android.launcher3.Insettable;
import com.android.launcher3.Launcher;
import com.android.launcher3.LauncherAppState;
import com.android.launcher3.LauncherAppWidgetHost.ProviderChangedListener;
import com.android.launcher3.R;
import com.android.launcher3.views.RecyclerViewFastScroller;
import com.android.launcher3.views.TopRoundedCornerView;
/**
* Popup for showing the full list of available widgets
*/
public class WidgetsFullSheet extends BaseWidgetSheet
implements Insettable, ProviderChangedListener {
private static final long DEFAULT_OPEN_DURATION = 267;
private static final long FADE_IN_DURATION = 150;
private static final float VERTICAL_START_POSITION = 0.3f;
private final Rect mInsets = new Rect();
private final WidgetsListAdapter mAdapter;
private WidgetsRecyclerView mRecyclerView;
public WidgetsFullSheet(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
LauncherAppState apps = LauncherAppState.getInstance(context);
mAdapter = new WidgetsListAdapter(context,
LayoutInflater.from(context), apps.getWidgetCache(), apps.getIconCache(),
this, this);
}
public WidgetsFullSheet(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mContent = findViewById(R.id.container);
mRecyclerView = findViewById(R.id.widgets_list_view);
mRecyclerView.setAdapter(mAdapter);
mAdapter.setApplyBitmapDeferred(true, mRecyclerView);
TopRoundedCornerView springLayout = (TopRoundedCornerView) mContent;
springLayout.addSpringView(R.id.widgets_list_view);
mRecyclerView.setEdgeEffectFactory(springLayout.createEdgeEffectFactory());
onWidgetsBound();
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
mLauncher.getAppWidgetHost().addProviderChangeListener(this);
notifyWidgetProvidersChanged();
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
mLauncher.getAppWidgetHost().removeProviderChangeListener(this);
}
@Override
public void setInsets(Rect insets) {
mInsets.set(insets);
mRecyclerView.setPadding(
mRecyclerView.getPaddingLeft(), mRecyclerView.getPaddingTop(),
mRecyclerView.getPaddingRight(), insets.bottom);
if (insets.bottom > 0) {
setupNavBarColor();
} else {
clearNavBarColor();
}
((TopRoundedCornerView) mContent).setNavBarScrimHeight(mInsets.bottom);
requestLayout();
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int widthUsed;
if (mInsets.bottom > 0) {
widthUsed = 0;
} else {
Rect padding = mLauncher.getDeviceProfile().workspacePadding;
widthUsed = Math.max(padding.left + padding.right,
2 * (mInsets.left + mInsets.right));
}
int heightUsed = mInsets.top + mLauncher.getDeviceProfile().edgeMarginPx;
measureChildWithMargins(mContent, widthMeasureSpec,
widthUsed, heightMeasureSpec, heightUsed);
setMeasuredDimension(MeasureSpec.getSize(widthMeasureSpec),
MeasureSpec.getSize(heightMeasureSpec));
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
int width = r - l;
int height = b - t;
// Content is laid out as center bottom aligned
int contentWidth = mContent.getMeasuredWidth();
int contentLeft = (width - contentWidth) / 2;
mContent.layout(contentLeft, height - mContent.getMeasuredHeight(),
contentLeft + contentWidth, height);
setTranslationShift(mTranslationShift);
}
@Override
public void notifyWidgetProvidersChanged() {
mLauncher.refreshAndBindWidgetsForPackageUser(null);
}
@Override
protected void onWidgetsBound() {
mAdapter.setWidgets(mLauncher.getPopupDataProvider().getAllWidgets());
}
private void open(boolean animate) {
if (mIsOpen) {
return;
}
mIsOpen = true;
if (animate) {
if (mLauncher.getDragLayer().getInsets().bottom > 0) {
mContent.setAlpha(0);
setTranslationShift(VERTICAL_START_POSITION);
}
mOpenCloseAnimator.setValues(
PropertyValuesHolder.ofFloat(TRANSLATION_SHIFT, TRANSLATION_SHIFT_OPENED));
mOpenCloseAnimator
.setDuration(DEFAULT_OPEN_DURATION)
.setInterpolator(AnimationUtils.loadInterpolator(
getContext(), android.R.interpolator.linear_out_slow_in));
mOpenCloseAnimator.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
mRecyclerView.setLayoutFrozen(false);
mAdapter.setApplyBitmapDeferred(false, mRecyclerView);
mOpenCloseAnimator.removeListener(this);
}
});
post(() -> {
mRecyclerView.setLayoutFrozen(true);
mOpenCloseAnimator.start();
mContent.animate().alpha(1).setDuration(FADE_IN_DURATION);
});
} else {
setTranslationShift(TRANSLATION_SHIFT_OPENED);
mAdapter.setApplyBitmapDeferred(false, mRecyclerView);
}
}
@Override
protected void handleClose(boolean animate) {
handleClose(animate, DEFAULT_OPEN_DURATION);
}
@Override
protected boolean isOfType(int type) {
return (type & TYPE_WIDGETS_FULL_SHEET) != 0;
}
@Override
public boolean onControllerInterceptTouchEvent(MotionEvent ev) {
// Disable swipe down when recycler view is scrolling
if (ev.getAction() == MotionEvent.ACTION_DOWN) {
mNoIntercept = false;
RecyclerViewFastScroller scroller = mRecyclerView.getScrollbar();
if (scroller.getThumbOffsetY() >= 0 &&
mLauncher.getDragLayer().isEventOverView(scroller, ev)) {
mNoIntercept = true;
} else if (mLauncher.getDragLayer().isEventOverView(mContent, ev)) {
mNoIntercept = !mRecyclerView.shouldContainerScroll(ev, mLauncher.getDragLayer());
}
}
return super.onControllerInterceptTouchEvent(ev);
}
public static WidgetsFullSheet show(Launcher launcher, boolean animate) {
WidgetsFullSheet sheet = (WidgetsFullSheet) launcher.getLayoutInflater()
.inflate(R.layout.widgets_full_sheet, launcher.getDragLayer(), false);
launcher.getDragLayer().addView(sheet);
sheet.open(animate);
return sheet;
}
@Override
protected int getElementsRowCount() {
return mAdapter.getItemCount();
}
}
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