/*
* Copyright (C) 2016 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.shortcuts;
import android.animation.Animator;
import android.animation.ValueAnimator;
import android.content.Context;
import android.graphics.Point;
import android.graphics.Rect;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.view.View;
import android.widget.FrameLayout;
import com.android.launcher3.IconCache;
import com.android.launcher3.Launcher;
import com.android.launcher3.LauncherAppState;
import com.android.launcher3.LogAccelerateInterpolator;
import com.android.launcher3.R;
import com.android.launcher3.ShortcutInfo;
import com.android.launcher3.Utilities;
import com.android.launcher3.shortcuts.DeepShortcutsContainer.UnbadgedShortcutInfo;
import com.android.launcher3.util.PillRevealOutlineProvider;
import com.android.launcher3.util.PillWidthRevealOutlineProvider;
/**
* A {@link android.widget.FrameLayout} that contains a {@link DeepShortcutView}.
* This lets us animate the DeepShortcutView (icon and text) separately from the background.
*/
public class DeepShortcutView extends FrameLayout implements ValueAnimator.AnimatorUpdateListener {
private static final Point sTempPoint = new Point();
private final Rect mPillRect;
private DeepShortcutTextView mBubbleText;
private View mIconView;
private float mOpenAnimationProgress;
private UnbadgedShortcutInfo mInfo;
public DeepShortcutView(Context context) {
this(context, null, 0);
}
public DeepShortcutView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public DeepShortcutView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
mPillRect = new Rect();
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mIconView = findViewById(R.id.deep_shortcut_icon);
mBubbleText = (DeepShortcutTextView) findViewById(R.id.deep_shortcut);
}
public DeepShortcutTextView getBubbleText() {
return mBubbleText;
}
public void setWillDrawIcon(boolean willDraw) {
mIconView.setVisibility(willDraw ? View.VISIBLE : View.INVISIBLE);
}
public boolean willDrawIcon() {
return mIconView.getVisibility() == View.VISIBLE;
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
mPillRect.set(0, 0, getMeasuredWidth(), getMeasuredHeight());
}
/** package private **/
void applyShortcutInfo(UnbadgedShortcutInfo info, DeepShortcutsContainer container) {
mInfo = info;
IconCache cache = LauncherAppState.getInstance().getIconCache();
mBubbleText.applyFromShortcutInfo(info, cache);
mIconView.setBackground(mBubbleText.getIcon());
// Use the long label as long as it exists and fits.
CharSequence longLabel = info.mDetail.getLongLabel();
int availableWidth = mBubbleText.getWidth() - mBubbleText.getTotalPaddingLeft()
- mBubbleText.getTotalPaddingRight();
boolean usingLongLabel = !TextUtils.isEmpty(longLabel)
&& mBubbleText.getPaint().measureText(longLabel.toString()) <= availableWidth;
mBubbleText.setText(usingLongLabel ? longLabel : info.mDetail.getShortLabel());
// TODO: Add the click handler to this view directly and not the child view.
mBubbleText.setOnClickListener(Launcher.getLauncher(getContext()));
mBubbleText.setOnLongClickListener(container);
mBubbleText.setOnTouchListener(container);
}
/**
* Returns the shortcut info that is suitable to be added on the homescreen
*/
public ShortcutInfo getFinalInfo() {
ShortcutInfo badged = new ShortcutInfo(mInfo);
// Queue an update task on the worker thread. This ensures that the badged
// shortcut eventually gets its icon updated.
Launcher.getLauncher(getContext()).getModel().updateShortcutInfo(mInfo.mDetail, badged);
return badged;
}
public View getIconView() {
return mIconView;
}
/**
* Creates an animator to play when the shortcut container is being opened.
*/
public Animator createOpenAnimation(boolean isContainerAboveIcon, boolean pivotLeft) {
Point center = getIconCenter();
ValueAnimator openAnimator = new ZoomRevealOutlineProvider(center.x, center.y,
mPillRect, this, mIconView, isContainerAboveIcon, pivotLeft)
.createRevealAnimator(this, false);
mOpenAnimationProgress = 0f;
openAnimator.addUpdateListener(this);
return openAnimator;
}
@Override
public void onAnimationUpdate(ValueAnimator valueAnimator) {
mOpenAnimationProgress = valueAnimator.getAnimatedFraction();
}
public boolean isOpenOrOpening() {
return mOpenAnimationProgress > 0;
}
/**
* Creates an animator to play when the shortcut container is being closed.
*/
public Animator createCloseAnimation(boolean isContainerAboveIcon, boolean pivotLeft,
long duration) {
Point center = getIconCenter();
ValueAnimator closeAnimator = new ZoomRevealOutlineProvider(center.x, center.y,
mPillRect, this, mIconView, isContainerAboveIcon, pivotLeft)
.createRevealAnimator(this, true);
// Scale down the duration and interpolator according to the progress
// that the open animation was at when the close started.
closeAnimator.setDuration((long) (duration * mOpenAnimationProgress));
closeAnimator.setInterpolator(new CloseInterpolator(mOpenAnimationProgress));
return closeAnimator;
}
/**
* Creates an animator which clips the container to form a circle around the icon.
*/
public Animator collapseToIcon() {
int halfHeight = getMeasuredHeight() / 2;
int iconCenterX = getIconCenter().x;
return new PillWidthRevealOutlineProvider(mPillRect,
iconCenterX - halfHeight, iconCenterX + halfHeight)
.createRevealAnimator(this, true);
}
/**
* Returns the position of the center of the icon relative to the container.
*/
public Point getIconCenter() {
sTempPoint.y = sTempPoint.x = getMeasuredHeight() / 2;
if (Utilities.isRtl(getResources())) {
sTempPoint.x = getMeasuredWidth() - sTempPoint.x;
}
return sTempPoint;
}
/**
* Extension of {@link PillRevealOutlineProvider} which scales the icon based on the height.
*/
private static class ZoomRevealOutlineProvider extends PillRevealOutlineProvider {
private final View mTranslateView;
private final View mZoomView;
private final float mFullHeight;
private final float mTranslateYMultiplier;
private final boolean mPivotLeft;
private final float mTranslateX;
public ZoomRevealOutlineProvider(int x, int y, Rect pillRect,
View translateView, View zoomView, boolean isContainerAboveIcon, boolean pivotLeft) {
super(x, y, pillRect);
mTranslateView = translateView;
mZoomView = zoomView;
mFullHeight = pillRect.height();
mTranslateYMultiplier = isContainerAboveIcon ? 0.5f : -0.5f;
mPivotLeft = pivotLeft;
mTranslateX = pivotLeft ? pillRect.height() / 2 : pillRect.right - pillRect.height() / 2;
}
@Override
public void setProgress(float progress) {
super.setProgress(progress);
mZoomView.setScaleX(progress);
mZoomView.setScaleY(progress);
float height = mOutline.height();
mTranslateView.setTranslationY(mTranslateYMultiplier * (mFullHeight - height));
float pivotX = mPivotLeft ? (mOutline.left + height / 2) : (mOutline.right - height / 2);
mTranslateView.setTranslationX(mTranslateX - pivotX);
}
}
/**
* An interpolator that reverses the current open animation progress.
*/
private static class CloseInterpolator extends LogAccelerateInterpolator {
private float mStartProgress;
private float mRemainingProgress;
/**
* @param openAnimationProgress The progress that the open interpolator ended at.
*/
public CloseInterpolator(float openAnimationProgress) {
super(100, 0);
mStartProgress = 1f - openAnimationProgress;
mRemainingProgress = openAnimationProgress;
}
@Override
public float getInterpolation(float v) {
return mStartProgress + super.getInterpolation(v) * mRemainingProgress;
}
}
}