| /* |
| * 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.launcher3.uioverrides; |
| |
| import android.content.Context; |
| import android.graphics.BlurMaskFilter; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.Matrix; |
| import android.graphics.Paint; |
| import android.graphics.Path; |
| import android.graphics.Rect; |
| import android.os.Process; |
| import android.util.AttributeSet; |
| import android.view.LayoutInflater; |
| import android.view.ViewGroup; |
| |
| import androidx.core.graphics.ColorUtils; |
| |
| import com.android.launcher3.CellLayout; |
| import com.android.launcher3.DeviceProfile; |
| import com.android.launcher3.Launcher; |
| import com.android.launcher3.LauncherSettings; |
| import com.android.launcher3.R; |
| import com.android.launcher3.icons.GraphicsUtils; |
| import com.android.launcher3.icons.IconNormalizer; |
| import com.android.launcher3.icons.LauncherIcons; |
| import com.android.launcher3.model.data.WorkspaceItemInfo; |
| import com.android.launcher3.touch.ItemClickHandler; |
| import com.android.launcher3.touch.ItemLongClickListener; |
| import com.android.launcher3.util.SafeCloseable; |
| import com.android.launcher3.views.ActivityContext; |
| import com.android.launcher3.views.DoubleShadowBubbleTextView; |
| |
| /** |
| * A BubbleTextView with a ring around it's drawable |
| */ |
| public class PredictedAppIcon extends DoubleShadowBubbleTextView { |
| |
| private static final int RING_SHADOW_COLOR = 0x99000000; |
| private static final float RING_EFFECT_RATIO = 0.095f; |
| |
| boolean mIsDrawingDot = false; |
| private final DeviceProfile mDeviceProfile; |
| private final Paint mIconRingPaint = new Paint(Paint.ANTI_ALIAS_FLAG); |
| private final Path mRingPath = new Path(); |
| private final int mNormalizedIconSize; |
| private final Path mShapePath; |
| private final Matrix mTmpMatrix = new Matrix(); |
| |
| private final BlurMaskFilter mShadowFilter; |
| |
| private boolean mIsPinned = false; |
| private int mPlateColor; |
| boolean mDrawForDrag = false; |
| |
| public PredictedAppIcon(Context context) { |
| this(context, null, 0); |
| } |
| |
| public PredictedAppIcon(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public PredictedAppIcon(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| mDeviceProfile = ActivityContext.lookupContext(context).getDeviceProfile(); |
| mNormalizedIconSize = IconNormalizer.getNormalizedCircleSize(getIconSize()); |
| int shadowSize = context.getResources().getDimensionPixelSize( |
| R.dimen.blur_size_thin_outline); |
| mShadowFilter = new BlurMaskFilter(shadowSize, BlurMaskFilter.Blur.OUTER); |
| mShapePath = GraphicsUtils.getShapePath(mNormalizedIconSize); |
| } |
| |
| @Override |
| public void onDraw(Canvas canvas) { |
| int count = canvas.save(); |
| if (!mIsPinned) { |
| drawEffect(canvas); |
| canvas.translate(getWidth() * RING_EFFECT_RATIO, getHeight() * RING_EFFECT_RATIO); |
| canvas.scale(1 - 2 * RING_EFFECT_RATIO, 1 - 2 * RING_EFFECT_RATIO); |
| } |
| super.onDraw(canvas); |
| canvas.restoreToCount(count); |
| } |
| |
| @Override |
| protected void drawDotIfNecessary(Canvas canvas) { |
| mIsDrawingDot = true; |
| int count = canvas.save(); |
| canvas.translate(-getWidth() * RING_EFFECT_RATIO, -getHeight() * RING_EFFECT_RATIO); |
| canvas.scale(1 + 2 * RING_EFFECT_RATIO, 1 + 2 * RING_EFFECT_RATIO); |
| super.drawDotIfNecessary(canvas); |
| canvas.restoreToCount(count); |
| mIsDrawingDot = false; |
| } |
| |
| @Override |
| public void applyFromWorkspaceItem(WorkspaceItemInfo info) { |
| super.applyFromWorkspaceItem(info); |
| mPlateColor = ColorUtils.setAlphaComponent(mDotParams.color, 200); |
| if (mIsPinned) { |
| setContentDescription(info.contentDescription); |
| } else { |
| setContentDescription( |
| getContext().getString(R.string.hotseat_prediction_content_description, |
| info.contentDescription)); |
| } |
| } |
| |
| /** |
| * Removes prediction ring from app icon |
| */ |
| public void pin(WorkspaceItemInfo info) { |
| if (mIsPinned) return; |
| mIsPinned = true; |
| applyFromWorkspaceItem(info); |
| setOnLongClickListener(ItemLongClickListener.INSTANCE_WORKSPACE); |
| ((CellLayout.LayoutParams) getLayoutParams()).canReorder = true; |
| invalidate(); |
| } |
| |
| /** |
| * prepares prediction icon for usage after bind |
| */ |
| public void finishBinding(OnLongClickListener longClickListener) { |
| setOnLongClickListener(longClickListener); |
| ((CellLayout.LayoutParams) getLayoutParams()).canReorder = false; |
| setTextVisibility(false); |
| verifyHighRes(); |
| } |
| |
| @Override |
| public void getIconBounds(Rect outBounds) { |
| super.getIconBounds(outBounds); |
| if (!mIsPinned && !mIsDrawingDot) { |
| int predictionInset = (int) (getIconSize() * RING_EFFECT_RATIO); |
| outBounds.inset(predictionInset, predictionInset); |
| } |
| } |
| |
| public boolean isPinned() { |
| return mIsPinned; |
| } |
| |
| private int getOutlineOffsetX() { |
| return (getMeasuredWidth() - mNormalizedIconSize) / 2; |
| } |
| |
| private int getOutlineOffsetY() { |
| if (mDisplay != DISPLAY_TASKBAR) { |
| return getPaddingTop() + mDeviceProfile.folderIconOffsetYPx; |
| } |
| return (getMeasuredHeight() - mNormalizedIconSize) / 2; |
| } |
| |
| @Override |
| protected void onSizeChanged(int w, int h, int oldw, int oldh) { |
| super.onSizeChanged(w, h, oldw, oldh); |
| updateRingPath(); |
| } |
| |
| @Override |
| public void setTag(Object tag) { |
| super.setTag(tag); |
| updateRingPath(); |
| } |
| |
| private void updateRingPath() { |
| boolean isBadged = false; |
| if (getTag() instanceof WorkspaceItemInfo) { |
| WorkspaceItemInfo info = (WorkspaceItemInfo) getTag(); |
| isBadged = !Process.myUserHandle().equals(info.user) |
| || info.itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT |
| || info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT; |
| } |
| |
| mRingPath.reset(); |
| mTmpMatrix.setTranslate(getOutlineOffsetX(), getOutlineOffsetY()); |
| |
| mRingPath.addPath(mShapePath, mTmpMatrix); |
| if (isBadged) { |
| float outlineSize = mNormalizedIconSize * RING_EFFECT_RATIO; |
| float iconSize = getIconSize() * (1 - 2 * RING_EFFECT_RATIO); |
| float badgeSize = LauncherIcons.getBadgeSizeForIconSize((int) iconSize) + outlineSize; |
| float scale = badgeSize / mNormalizedIconSize; |
| mTmpMatrix.postTranslate(mNormalizedIconSize, mNormalizedIconSize); |
| mTmpMatrix.preScale(scale, scale); |
| mTmpMatrix.preTranslate(-mNormalizedIconSize, -mNormalizedIconSize); |
| mRingPath.addPath(mShapePath, mTmpMatrix); |
| } |
| } |
| |
| private void drawEffect(Canvas canvas) { |
| // Don't draw ring effect if item is about to be dragged. |
| if (mDrawForDrag) { |
| return; |
| } |
| mIconRingPaint.setColor(RING_SHADOW_COLOR); |
| mIconRingPaint.setMaskFilter(mShadowFilter); |
| canvas.drawPath(mRingPath, mIconRingPaint); |
| mIconRingPaint.setColor(mPlateColor); |
| mIconRingPaint.setMaskFilter(null); |
| canvas.drawPath(mRingPath, mIconRingPaint); |
| } |
| |
| @Override |
| public void getSourceVisualDragBounds(Rect bounds) { |
| super.getSourceVisualDragBounds(bounds); |
| if (!mIsPinned) { |
| int internalSize = (int) (bounds.width() * RING_EFFECT_RATIO); |
| bounds.inset(internalSize, internalSize); |
| } |
| } |
| |
| @Override |
| public SafeCloseable prepareDrawDragView() { |
| mDrawForDrag = true; |
| invalidate(); |
| SafeCloseable r = super.prepareDrawDragView(); |
| return () -> { |
| r.close(); |
| mDrawForDrag = false; |
| }; |
| } |
| |
| /** |
| * Creates and returns a new instance of PredictedAppIcon from WorkspaceItemInfo |
| */ |
| public static PredictedAppIcon createIcon(ViewGroup parent, WorkspaceItemInfo info) { |
| PredictedAppIcon icon = (PredictedAppIcon) LayoutInflater.from(parent.getContext()) |
| .inflate(R.layout.predicted_app_icon, parent, false); |
| icon.applyFromWorkspaceItem(info); |
| icon.setOnClickListener(ItemClickHandler.INSTANCE); |
| icon.setOnFocusChangeListener(Launcher.getLauncher(parent.getContext()).getFocusHandler()); |
| return icon; |
| } |
| |
| /** |
| * Draws Predicted Icon outline on cell layout |
| */ |
| public static class PredictedIconOutlineDrawing extends CellLayout.DelegatedCellDrawing { |
| |
| private final PredictedAppIcon mIcon; |
| private final Paint mOutlinePaint = new Paint(Paint.ANTI_ALIAS_FLAG); |
| |
| public PredictedIconOutlineDrawing(int cellX, int cellY, PredictedAppIcon icon) { |
| mDelegateCellX = cellX; |
| mDelegateCellY = cellY; |
| mIcon = icon; |
| mOutlinePaint.setStyle(Paint.Style.FILL); |
| mOutlinePaint.setColor(Color.argb(24, 245, 245, 245)); |
| } |
| |
| /** |
| * Draws predicted app icon outline under CellLayout |
| */ |
| @Override |
| public void drawUnderItem(Canvas canvas) { |
| canvas.save(); |
| canvas.translate(mIcon.getOutlineOffsetX(), mIcon.getOutlineOffsetY()); |
| canvas.drawPath(mIcon.mShapePath, mOutlinePaint); |
| canvas.restore(); |
| } |
| |
| /** |
| * Draws PredictedAppIcon outline over CellLayout |
| */ |
| @Override |
| public void drawOverItem(Canvas canvas) { |
| // Does nothing |
| } |
| } |
| } |