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/*
* Copyright (C) 2018 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.launcher3.Flags.enableOverviewIconMenu;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.View;
import android.widget.FrameLayout;
import androidx.annotation.Nullable;
import com.android.launcher3.DeviceProfile;
import com.android.launcher3.Utilities;
import com.android.launcher3.touch.PagedOrientationHandler;
import com.android.launcher3.views.ActivityContext;
import com.android.quickstep.util.RecentsOrientedState;
/**
* A view which draws a drawable stretched to fit its size. Unlike ImageView, it avoids relayout
* when the drawable changes.
*/
public class IconView extends View implements TaskViewIcon {
@Nullable
private Drawable mDrawable;
private int mDrawableWidth, mDrawableHeight;
public IconView(Context context) {
super(context);
}
public IconView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public IconView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
/**
* Sets a {@link Drawable} to be displayed.
*/
@Override
public void setDrawable(@Nullable Drawable d) {
if (mDrawable != null) {
mDrawable.setCallback(null);
}
mDrawable = d;
if (mDrawable != null) {
mDrawable.setCallback(this);
setDrawableSizeInternal(getWidth(), getHeight());
}
invalidate();
}
/**
* Sets the size of the icon drawable.
*/
@Override
public void setDrawableSize(int iconWidth, int iconHeight) {
mDrawableWidth = iconWidth;
mDrawableHeight = iconHeight;
if (mDrawable != null) {
setDrawableSizeInternal(getWidth(), getHeight());
}
}
private void setDrawableSizeInternal(int selfWidth, int selfHeight) {
Rect selfRect = new Rect(0, 0, selfWidth, selfHeight);
Rect drawableRect = new Rect();
Gravity.apply(Gravity.CENTER, mDrawableWidth, mDrawableHeight, selfRect, drawableRect);
mDrawable.setBounds(drawableRect);
}
@Override
@Nullable
public Drawable getDrawable() {
return mDrawable;
}
@Override
public int getDrawableWidth() {
return mDrawableWidth;
}
@Override
public int getDrawableHeight() {
return mDrawableHeight;
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
if (mDrawable != null) {
setDrawableSizeInternal(w, h);
}
}
@Override
protected boolean verifyDrawable(Drawable who) {
return super.verifyDrawable(who) || who == mDrawable;
}
@Override
protected void drawableStateChanged() {
super.drawableStateChanged();
final Drawable drawable = mDrawable;
if (drawable != null && drawable.isStateful()
&& drawable.setState(getDrawableState())) {
invalidateDrawable(drawable);
}
}
@Override
protected void onDraw(Canvas canvas) {
if (mDrawable != null) {
mDrawable.draw(canvas);
}
}
@Override
public boolean hasOverlappingRendering() {
return false;
}
@Override
public void setContentAlpha(float alpha) {
setAlpha(alpha);
}
@Override
public void setAlpha(float alpha) {
super.setAlpha(alpha);
if (alpha > 0) {
setVisibility(VISIBLE);
} else {
setVisibility(INVISIBLE);
}
}
/**
* Set the tint color of the icon, useful for scrimming or dimming.
*
* @param color to blend in.
* @param amount [0,1] 0 no tint, 1 full tint
*/
@Override
public void setIconColorTint(int color, float amount) {
if (mDrawable != null) {
mDrawable.setColorFilter(Utilities.makeColorTintingColorFilter(color, amount));
}
}
@Override
public void setIconOrientation(RecentsOrientedState orientationState, boolean isGridTask) {
PagedOrientationHandler orientationHandler = orientationState.getOrientationHandler();
boolean isRtl = getLayoutDirection() == LAYOUT_DIRECTION_RTL;
DeviceProfile deviceProfile =
ActivityContext.lookupContext(getContext()).getDeviceProfile();
FrameLayout.LayoutParams iconParams = (FrameLayout.LayoutParams) getLayoutParams();
int thumbnailTopMargin = deviceProfile.overviewTaskThumbnailTopMarginPx;
int taskIconHeight = deviceProfile.overviewTaskIconSizePx;
int taskMargin = deviceProfile.overviewTaskMarginPx;
orientationHandler.setTaskIconParams(iconParams, taskMargin, taskIconHeight,
thumbnailTopMargin, isRtl);
iconParams.width = iconParams.height = taskIconHeight;
setLayoutParams(iconParams);
setRotation(orientationHandler.getDegreesRotated());
int iconDrawableSize = enableOverviewIconMenu()
? deviceProfile.overviewTaskIconAppChipMenuDrawableSizePx
: isGridTask ? deviceProfile.overviewTaskIconDrawableSizeGridPx
: deviceProfile.overviewTaskIconDrawableSizePx;
setDrawableSize(iconDrawableSize, iconDrawableSize);
}
@Override
public View asView() {
return this;
}
}
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