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/*
* Copyright (C) 2019 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.quickstep.views;
import static com.android.quickstep.views.TaskLayoutUtils.getTaskHeight;
import android.content.Context;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.util.FloatProperty;
import android.view.View;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import com.android.launcher3.R;
import com.android.quickstep.ThumbnailDrawable;
import com.android.systemui.shared.recents.model.ThumbnailData;
/**
* View representing an individual task item with the icon + thumbnail adjacent to the task label.
*/
public final class TaskItemView extends LinearLayout {
private static final String EMPTY_LABEL = "";
private static final String DEFAULT_LABEL = "...";
private final Drawable mDefaultIcon;
private final Drawable mDefaultThumbnail;
private final TaskLayerDrawable mIconDrawable;
private final TaskLayerDrawable mThumbnailDrawable;
private TextView mLabelView;
private ImageView mIconView;
private ImageView mThumbnailView;
private float mContentTransitionProgress;
/**
* Property representing the content transition progress of the view. 1.0f represents that the
* currently bound icon, thumbnail, and label are fully animated in and visible.
*/
public static FloatProperty CONTENT_TRANSITION_PROGRESS =
new FloatProperty<TaskItemView>("taskContentTransitionProgress") {
@Override
public void setValue(TaskItemView view, float progress) {
view.setContentTransitionProgress(progress);
}
@Override
public Float get(TaskItemView view) {
return view.mContentTransitionProgress;
}
};
public TaskItemView(Context context, AttributeSet attrs) {
super(context, attrs);
Resources res = context.getResources();
mDefaultIcon = res.getDrawable(android.R.drawable.sym_def_app_icon, context.getTheme());
mDefaultThumbnail = res.getDrawable(R.drawable.default_thumbnail, context.getTheme());
mIconDrawable = new TaskLayerDrawable(context);
mThumbnailDrawable = new TaskLayerDrawable(context);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mLabelView = findViewById(R.id.task_label);
mThumbnailView = findViewById(R.id.task_thumbnail);
mIconView = findViewById(R.id.task_icon);
mThumbnailView.setImageDrawable(mThumbnailDrawable);
mIconView.setImageDrawable(mIconDrawable);
resetToEmptyUi();
CONTENT_TRANSITION_PROGRESS.setValue(this, 1.0f);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int taskHeight = getTaskHeight(getContext());
int newHeightSpec = MeasureSpec.makeMeasureSpec(taskHeight,MeasureSpec.EXACTLY);
super.onMeasure(widthMeasureSpec, newHeightSpec);
}
/**
* Resets task item view to empty, loading UI.
*/
public void resetToEmptyUi() {
mIconDrawable.resetDrawable();
mThumbnailDrawable.resetDrawable();
setLabel(EMPTY_LABEL);
}
/**
* Set the label for the task item. Sets to a default label if null.
*
* @param label task label
*/
public void setLabel(@Nullable String label) {
mLabelView.setText(getSafeLabel(label));
// TODO: Animation for label
}
/**
* Set the icon for the task item. Sets to a default icon if null.
*
* @param icon task icon
*/
public void setIcon(@Nullable Drawable icon) {
// TODO: Scale the icon up based off the padding on the side
// The icon proper is actually smaller than the drawable and has "padding" on the side for
// the purpose of drawing the shadow, allowing the icon to pop up, so we need to scale the
// view if we want the icon to be flush with the bottom of the thumbnail.
mIconDrawable.setCurrentDrawable(getSafeIcon(icon));
}
/**
* Set the task thumbnail for the task. Sets to a default thumbnail if null.
*
* @param thumbnailData task thumbnail data for the task
*/
public void setThumbnail(@Nullable ThumbnailData thumbnailData) {
mThumbnailDrawable.setCurrentDrawable(getSafeThumbnail(thumbnailData));
}
public View getThumbnailView() {
return mThumbnailView;
}
/**
* Start a new animation from the current task content to the specified new content. The caller
* is responsible for the actual animation control via the property
* {@link #CONTENT_TRANSITION_PROGRESS}.
*
* @param endIcon the icon to animate to
* @param endThumbnail the thumbnail to animate to
* @param endLabel the label to animate to
*/
public void startContentAnimation(@Nullable Drawable endIcon,
@Nullable ThumbnailData endThumbnail, @Nullable String endLabel) {
mIconDrawable.startNewTransition(getSafeIcon(endIcon));
mThumbnailDrawable.startNewTransition(getSafeThumbnail(endThumbnail));
// TODO: Animation for label
setContentTransitionProgress(0.0f);
}
private void setContentTransitionProgress(float progress) {
mContentTransitionProgress = progress;
mIconDrawable.setTransitionProgress(progress);
mThumbnailDrawable.setTransitionProgress(progress);
// TODO: Animation for label
}
private @NonNull Drawable getSafeIcon(@Nullable Drawable icon) {
return (icon != null) ? icon : mDefaultIcon;
}
private @NonNull Drawable getSafeThumbnail(@Nullable ThumbnailData thumbnailData) {
if (thumbnailData == null || thumbnailData.thumbnail == null) {
return mDefaultThumbnail;
}
int orientation = getResources().getConfiguration().orientation;
return new ThumbnailDrawable(getResources(), thumbnailData,
orientation /* requestedOrientation */);
}
private @NonNull String getSafeLabel(@Nullable String label) {
return (label != null) ? label : DEFAULT_LABEL;
}
@Override
protected void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
int layerCount = mThumbnailDrawable.getNumberOfLayers();
for (int i = 0; i < layerCount; i++) {
Drawable drawable = mThumbnailDrawable.getDrawable(i);
if (drawable instanceof ThumbnailDrawable) {
((ThumbnailDrawable) drawable).setRequestedOrientation(newConfig.orientation);
}
}
}
}
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