Winson Chung
243fdd7cdf
- For the time being, we are going to do custom drawing to ensure that we get the touch events in the right order, while still allowing the recycler view to draw the overscroll effect on top of the prediction bar. Bug: 21335369 Change-Id: I6bf64e5c1e9aa634a953223a5decf74942e4fb57
110 lines
3.9 KiB
Java
110 lines
3.9 KiB
Java
/*
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* Copyright (C) 2015 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.allapps;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.util.AttributeSet;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.FrameLayout;
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import com.android.launcher3.BubbleTextView;
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import com.android.launcher3.BubbleTextView.BubbleTextShadowHandler;
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import com.android.launcher3.ClickShadowView;
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import com.android.launcher3.DeviceProfile;
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import com.android.launcher3.Launcher;
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import com.android.launcher3.R;
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/**
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* A container for RecyclerView to allow for the click shadow view to be shown behind an icon that
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* is launching.
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*/
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public class AllAppsRecyclerViewContainerView extends FrameLayout
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implements BubbleTextShadowHandler {
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private final ClickShadowView mTouchFeedbackView;
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private View mPredictionBarView;
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public AllAppsRecyclerViewContainerView(Context context) {
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this(context, null);
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}
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public AllAppsRecyclerViewContainerView(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public AllAppsRecyclerViewContainerView(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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Launcher launcher = (Launcher) context;
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DeviceProfile grid = launcher.getDeviceProfile();
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mTouchFeedbackView = new ClickShadowView(context);
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// Make the feedback view large enough to hold the blur bitmap.
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int size = grid.allAppsIconSizePx + mTouchFeedbackView.getExtraSize();
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addView(mTouchFeedbackView, size, size);
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}
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@Override
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protected void onFinishInflate() {
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super.onFinishInflate();
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mPredictionBarView = findViewById(R.id.prediction_bar);
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}
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@Override
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public void setPressedIcon(BubbleTextView icon, Bitmap background) {
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if (icon == null || background == null) {
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mTouchFeedbackView.setBitmap(null);
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mTouchFeedbackView.animate().cancel();
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} else if (mTouchFeedbackView.setBitmap(background)) {
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mTouchFeedbackView.alignWithIconView(icon, (ViewGroup) icon.getParent());
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mTouchFeedbackView.animateShadow();
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}
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}
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/**
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* This allows us to have custom drawing order, while keeping touch handling in correct z-order.
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*/
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@Override
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protected void dispatchDraw(Canvas canvas) {
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final long drawingTime = getDrawingTime();
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// Draw the click feedback first (since it is always on the bottom)
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if (mTouchFeedbackView != null && mTouchFeedbackView.getVisibility() == View.VISIBLE) {
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drawChild(canvas, mTouchFeedbackView, drawingTime);
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}
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// Then draw the prediction bar, since it needs to be "under" the recycler view to get the
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// right edge effect to be drawn over it
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if (mPredictionBarView != null && mPredictionBarView.getVisibility() == View.VISIBLE) {
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drawChild(canvas, mPredictionBarView, drawingTime);
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}
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// Draw the remaining views
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int childCount = getChildCount();
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for (int i = 0; i < childCount; i++) {
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View v = getChildAt(i);
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if (v != mTouchFeedbackView && v != mPredictionBarView &&
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v.getVisibility() == View.VISIBLE) {
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drawChild(canvas, v, drawingTime);
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}
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}
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}
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}
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