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/*
* Copyright (C) 2015 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.allapps;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import com.android.launcher3.BubbleTextView;
import com.android.launcher3.BubbleTextView.BubbleTextShadowHandler;
import com.android.launcher3.ClickShadowView;
import com.android.launcher3.DeviceProfile;
import com.android.launcher3.Launcher;
import com.android.launcher3.R;
/**
* A container for RecyclerView to allow for the click shadow view to be shown behind an icon that
* is launching.
*/
public class AllAppsRecyclerViewContainerView extends FrameLayout
implements BubbleTextShadowHandler {
private final ClickShadowView mTouchFeedbackView;
private View mPredictionBarView;
public AllAppsRecyclerViewContainerView(Context context) {
this(context, null);
}
public AllAppsRecyclerViewContainerView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public AllAppsRecyclerViewContainerView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
Launcher launcher = (Launcher) context;
DeviceProfile grid = launcher.getDeviceProfile();
mTouchFeedbackView = new ClickShadowView(context);
// Make the feedback view large enough to hold the blur bitmap.
int size = grid.allAppsIconSizePx + mTouchFeedbackView.getExtraSize();
addView(mTouchFeedbackView, size, size);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mPredictionBarView = findViewById(R.id.prediction_bar);
}
@Override
public void setPressedIcon(BubbleTextView icon, Bitmap background) {
if (icon == null || background == null) {
mTouchFeedbackView.setBitmap(null);
mTouchFeedbackView.animate().cancel();
} else if (mTouchFeedbackView.setBitmap(background)) {
mTouchFeedbackView.alignWithIconView(icon, (ViewGroup) icon.getParent());
mTouchFeedbackView.animateShadow();
}
}
/**
* This allows us to have custom drawing order, while keeping touch handling in correct z-order.
*/
@Override
protected void dispatchDraw(Canvas canvas) {
final long drawingTime = getDrawingTime();
// Draw the click feedback first (since it is always on the bottom)
if (mTouchFeedbackView != null && mTouchFeedbackView.getVisibility() == View.VISIBLE) {
drawChild(canvas, mTouchFeedbackView, drawingTime);
}
// Then draw the prediction bar, since it needs to be "under" the recycler view to get the
// right edge effect to be drawn over it
if (mPredictionBarView != null && mPredictionBarView.getVisibility() == View.VISIBLE) {
drawChild(canvas, mPredictionBarView, drawingTime);
}
// Draw the remaining views
int childCount = getChildCount();
for (int i = 0; i < childCount; i++) {
View v = getChildAt(i);
if (v != mTouchFeedbackView && v != mPredictionBarView &&
v.getVisibility() == View.VISIBLE) {
drawChild(canvas, v, drawingTime);
}
}
}
}
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