| /* |
| * Copyright (C) 2020 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.navigationbar.gestural; |
| |
| import android.content.Context; |
| import android.graphics.Canvas; |
| import android.graphics.RectF; |
| import android.view.Surface; |
| |
| import com.android.systemui.R; |
| |
| /** Temporarily shown view when using QuickSwitch to switch between apps of different rotations */ |
| public class QuickswitchOrientedNavHandle extends NavigationHandle { |
| private final int mWidth; |
| private final RectF mTmpBoundsRectF = new RectF(); |
| private @Surface.Rotation int mDeltaRotation; |
| |
| public QuickswitchOrientedNavHandle(Context context) { |
| super(context); |
| mWidth = context.getResources().getDimensionPixelSize(R.dimen.navigation_home_handle_width); |
| } |
| |
| public void setDeltaRotation(@Surface.Rotation int rotation) { |
| mDeltaRotation = rotation; |
| } |
| |
| @Override |
| protected void onDraw(Canvas canvas) { |
| canvas.drawRoundRect(computeHomeHandleBounds(), mRadius, mRadius, mPaint); |
| } |
| |
| public RectF computeHomeHandleBounds() { |
| float left; |
| float top; |
| float bottom; |
| float right; |
| float radiusOffset = mRadius * 2; |
| int topStart = getLocationOnScreen()[1]; |
| |
| switch (mDeltaRotation) { |
| default: |
| case Surface.ROTATION_0: |
| case Surface.ROTATION_180: |
| float height = mRadius * 2; |
| left = getWidth() / 2f - mWidth / 2f; |
| top = (getHeight() - mBottom - height); |
| right = getWidth() / 2f + mWidth / 2f; |
| bottom = top + height; |
| break; |
| case Surface.ROTATION_90: |
| left = mBottom; |
| right = left + radiusOffset; |
| top = getHeight() / 2f - (mWidth / 2f) - (topStart / 2f); |
| bottom = top + mWidth; |
| break; |
| case Surface.ROTATION_270: |
| right = getWidth() - mBottom; |
| left = right - radiusOffset; |
| top = getHeight() / 2f - (mWidth / 2f) - (topStart / 2f); |
| bottom = top + mWidth; |
| break; |
| } |
| mTmpBoundsRectF.set(left, top, right, bottom); |
| return mTmpBoundsRectF; |
| } |
| } |