Jon Miranda
c9c57631a9
Low resolution will be addressed in future CL. Bug: 31915722 Change-Id: I6bdd32b7a30819fde1f15473a63ac280029b6715
80 lines
2.7 KiB
Java
80 lines
2.7 KiB
Java
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3.dragndrop;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.Rect;
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import com.android.launcher3.DeviceProfile;
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import com.android.launcher3.ItemInfo;
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import com.android.launcher3.Launcher;
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import com.android.launcher3.graphics.DragPreviewProvider;
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import com.android.launcher3.graphics.HolographicOutlineHelper;
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/**
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* Extension of {@link DragPreviewProvider} which provides a dummy outline when drag starts from
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* a different window.
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* It just draws an empty circle to a placeholder outline.
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*/
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public class ExternalDragPreviewProvider extends DragPreviewProvider {
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private final Launcher mLauncher;
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private final ItemInfo mAddInfo;
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private final int[] mOutlineSize;
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public ExternalDragPreviewProvider(Launcher launcher, ItemInfo addInfo) {
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super(null, launcher);
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mLauncher = launcher;
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mAddInfo = addInfo;
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mOutlineSize = mLauncher.getWorkspace().estimateItemSize(mAddInfo, false, false);
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}
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public Rect getPreviewBounds() {
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Rect rect = new Rect();
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DeviceProfile dp = mLauncher.getDeviceProfile();
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rect.left = blurSizeOutline / 2;
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rect.top = (mOutlineSize[1] - dp.cellHeightPx) / 2;
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rect.right = rect.left + dp.iconSizePx;
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rect.bottom = rect.top + dp.iconSizePx;
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return rect;
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}
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@Override
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public Bitmap createDragOutline(Canvas canvas) {
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final Bitmap b = Bitmap.createBitmap(mOutlineSize[0], mOutlineSize[1], Bitmap.Config.ALPHA_8);
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canvas.setBitmap(b);
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Paint paint = new Paint();
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paint.setColor(Color.WHITE);
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paint.setStyle(Paint.Style.FILL);
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// Use 0.9f times the radius for the actual circle to account for icon normalization.
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float radius = getPreviewBounds().width() * 0.5f;
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canvas.drawCircle(blurSizeOutline / 2 + radius,
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blurSizeOutline / 2 + radius, radius * 0.9f, paint);
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HolographicOutlineHelper.getInstance(mLauncher).applyExpensiveOutlineWithBlur(b, canvas);
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canvas.setBitmap(null);
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return b;
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}
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}
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