| /* |
| * 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.systemui.bubbles; |
| |
| import android.content.Context; |
| import android.content.res.TypedArray; |
| import android.graphics.Canvas; |
| import android.graphics.Path; |
| import android.graphics.Rect; |
| import android.util.AttributeSet; |
| import android.widget.ImageView; |
| |
| import com.android.internal.graphics.ColorUtils; |
| import com.android.launcher3.icons.DotRenderer; |
| import com.android.systemui.R; |
| |
| /** |
| * View that circle crops its contents and supports displaying a coloured dot on a top corner. |
| */ |
| public class BadgedImageView extends ImageView { |
| |
| private Rect mTempBounds = new Rect(); |
| |
| private DotRenderer mDotRenderer; |
| private DotRenderer.DrawParams mDrawParams; |
| private int mIconBitmapSize; |
| private int mDotColor; |
| private float mDotScale = 0f; |
| private boolean mShowDot; |
| private boolean mOnLeft; |
| |
| /** Same as value in Launcher3 IconShape */ |
| static final int DEFAULT_PATH_SIZE = 100; |
| |
| public BadgedImageView(Context context) { |
| this(context, null); |
| } |
| |
| public BadgedImageView(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public BadgedImageView(Context context, AttributeSet attrs, int defStyleAttr) { |
| this(context, attrs, defStyleAttr, 0); |
| } |
| |
| public BadgedImageView(Context context, AttributeSet attrs, int defStyleAttr, |
| int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| mIconBitmapSize = getResources().getDimensionPixelSize(R.dimen.bubble_icon_bitmap_size); |
| mDrawParams = new DotRenderer.DrawParams(); |
| |
| TypedArray ta = context.obtainStyledAttributes( |
| new int[]{android.R.attr.colorBackgroundFloating}); |
| ta.recycle(); |
| } |
| |
| @Override |
| public void onDraw(Canvas canvas) { |
| super.onDraw(canvas); |
| if (!mShowDot) { |
| return; |
| } |
| getDrawingRect(mTempBounds); |
| |
| mDrawParams.color = mDotColor; |
| mDrawParams.iconBounds = mTempBounds; |
| mDrawParams.leftAlign = mOnLeft; |
| mDrawParams.scale = mDotScale; |
| |
| if (mDotRenderer == null) { |
| Path circlePath = new Path(); |
| float radius = DEFAULT_PATH_SIZE * 0.5f; |
| circlePath.addCircle(radius /* x */, radius /* y */, radius, Path.Direction.CW); |
| mDotRenderer = new DotRenderer(mIconBitmapSize, circlePath, DEFAULT_PATH_SIZE); |
| } |
| mDotRenderer.draw(canvas, mDrawParams); |
| } |
| |
| /** |
| * Set whether the dot should appear on left or right side of the view. |
| */ |
| void setDotOnLeft(boolean onLeft) { |
| mOnLeft = onLeft; |
| invalidate(); |
| } |
| |
| boolean getDotOnLeft() { |
| return mOnLeft; |
| } |
| |
| /** |
| * Set whether the dot should show or not. |
| */ |
| void setShowDot(boolean showDot) { |
| mShowDot = showDot; |
| invalidate(); |
| } |
| |
| /** |
| * @return whether the dot is being displayed. |
| */ |
| boolean isShowingDot() { |
| return mShowDot; |
| } |
| |
| /** |
| * The colour to use for the dot. |
| */ |
| public void setDotColor(int color) { |
| mDotColor = ColorUtils.setAlphaComponent(color, 255 /* alpha */); |
| invalidate(); |
| } |
| |
| /** |
| * @param iconPath The new icon path to use when calculating dot position. |
| */ |
| public void drawDot(Path iconPath) { |
| mDotRenderer = new DotRenderer(mIconBitmapSize, iconPath, DEFAULT_PATH_SIZE); |
| invalidate(); |
| } |
| |
| /** |
| * How big the dot should be, fraction from 0 to 1. |
| */ |
| void setDotScale(float fraction) { |
| mDotScale = fraction; |
| invalidate(); |
| } |
| |
| /** |
| * Return dot position relative to bubble view container bounds. |
| */ |
| float[] getDotCenter() { |
| float[] dotPosition; |
| if (mOnLeft) { |
| dotPosition = mDotRenderer.getLeftDotPosition(); |
| } else { |
| dotPosition = mDotRenderer.getRightDotPosition(); |
| } |
| getDrawingRect(mTempBounds); |
| float dotCenterX = mTempBounds.width() * dotPosition[0]; |
| float dotCenterY = mTempBounds.height() * dotPosition[1]; |
| return new float[]{dotCenterX, dotCenterY}; |
| } |
| } |