1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.launcher3.shortcuts; 18 19 import android.graphics.Bitmap; 20 import android.graphics.Canvas; 21 import android.graphics.Point; 22 import android.graphics.Rect; 23 import android.graphics.drawable.Drawable; 24 import android.view.View; 25 26 import com.android.launcher3.Launcher; 27 import com.android.launcher3.Utilities; 28 import com.android.launcher3.config.FeatureFlags; 29 import com.android.launcher3.graphics.DragPreviewProvider; 30 import com.android.launcher3.icons.BitmapRenderer; 31 import com.android.launcher3.icons.FastBitmapDrawable; 32 33 /** 34 * Extension of {@link DragPreviewProvider} which generates bitmaps scaled to the default icon size. 35 */ 36 public class ShortcutDragPreviewProvider extends DragPreviewProvider { 37 38 private final Point mPositionShift; 39 ShortcutDragPreviewProvider(View icon, Point shift)40 public ShortcutDragPreviewProvider(View icon, Point shift) { 41 super(icon); 42 mPositionShift = shift; 43 } 44 45 @Override createDrawable()46 public Drawable createDrawable() { 47 if (FeatureFlags.ENABLE_DEEP_SHORTCUT_ICON_CACHE.get()) { 48 int size = Launcher.getLauncher(mView.getContext()).getDeviceProfile().iconSizePx; 49 return new FastBitmapDrawable( 50 BitmapRenderer.createHardwareBitmap( 51 size + blurSizeOutline, 52 size + blurSizeOutline, 53 (c) -> drawDragViewOnBackground(c, size))); 54 } else { 55 return new FastBitmapDrawable(createDragBitmapLegacy()); 56 } 57 } 58 createDragBitmapLegacy()59 private Bitmap createDragBitmapLegacy() { 60 Drawable d = mView.getBackground(); 61 Rect bounds = getDrawableBounds(d); 62 int size = Launcher.getLauncher(mView.getContext()).getDeviceProfile().iconSizePx; 63 final Bitmap b = Bitmap.createBitmap( 64 size + blurSizeOutline, 65 size + blurSizeOutline, 66 Bitmap.Config.ARGB_8888); 67 Canvas canvas = new Canvas(b); 68 canvas.translate(blurSizeOutline / 2, blurSizeOutline / 2); 69 canvas.scale(((float) size) / bounds.width(), ((float) size) / bounds.height(), 0, 0); 70 canvas.translate(bounds.left, bounds.top); 71 d.draw(canvas); 72 return b; 73 } 74 drawDragViewOnBackground(Canvas canvas, float size)75 private void drawDragViewOnBackground(Canvas canvas, float size) { 76 Drawable d = mView.getBackground(); 77 Rect bounds = getDrawableBounds(d); 78 79 canvas.translate(blurSizeOutline / 2, blurSizeOutline / 2); 80 canvas.scale(size / bounds.width(), size / bounds.height(), 0, 0); 81 canvas.translate(bounds.left, bounds.top); 82 d.draw(canvas); 83 } 84 85 @Override getScaleAndPosition(Drawable preview, int[] outPos)86 public float getScaleAndPosition(Drawable preview, int[] outPos) { 87 Launcher launcher = Launcher.getLauncher(mView.getContext()); 88 int iconSize = getDrawableBounds(mView.getBackground()).width(); 89 float scale = launcher.getDragLayer().getLocationInDragLayer(mView, outPos); 90 91 int iconLeft = mView.getPaddingStart(); 92 if (Utilities.isRtl(mView.getResources())) { 93 iconLeft = mView.getWidth() - iconSize - iconLeft; 94 } 95 96 outPos[0] += Math.round( 97 scale * iconLeft + (scale * iconSize - preview.getIntrinsicWidth()) / 2 98 + mPositionShift.x); 99 outPos[1] += Math.round((scale * mView.getHeight() - preview.getIntrinsicHeight()) / 2 100 + mPositionShift.y); 101 float size = launcher.getDeviceProfile().iconSizePx; 102 return scale * iconSize / size; 103 } 104 } 105