| /* |
| * Copyright (C) 2013 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.camera.ui; |
| |
| import android.app.Activity; |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.util.AttributeSet; |
| import android.view.Gravity; |
| import android.view.View; |
| import android.widget.FrameLayout.LayoutParams; |
| |
| import com.android.camera.Util; |
| import com.android.gallery3d.R; |
| |
| /* |
| * This is a simple view that has a gradient background. The background |
| * needs to rotate when orientation changes, so that the side of the drawable |
| * that is dark is always aligned to the side of the screen, and the side that is |
| * closer to the center of the screen is transparent. |
| * */ |
| public class SwitcherBackgroundView extends View |
| { |
| public SwitcherBackgroundView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| setBackgroundResource(R.drawable.switcher_bg); |
| } |
| |
| public SwitcherBackgroundView(Context context) { |
| super(context); |
| setBackgroundResource(R.drawable.switcher_bg); |
| } |
| @Override |
| public void onConfigurationChanged(Configuration config) { |
| super.onConfigurationChanged(config); |
| // remove current drawable and reset rotation |
| setBackgroundDrawable(null); |
| setRotationX(0); |
| setRotationY(0); |
| // if the switcher background is top aligned we need to flip the background |
| // drawable vertically; if left aligned, flip horizontally |
| int gravity = ((LayoutParams) getLayoutParams()).gravity; |
| if ((gravity & Gravity.TOP) == Gravity.TOP) { |
| setRotationX(180); |
| } else if ((gravity & Gravity.LEFT) == Gravity.LEFT) { |
| setRotationY(180); |
| } |
| setBackgroundResource(R.drawable.switcher_bg); |
| } |
| } |