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/*
* Copyright (C) 2014 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.recents;
import android.content.Context;
import android.content.res.Configuration;
import android.graphics.Rect;
import android.util.DisplayMetrics;
import android.util.TypedValue;
/** A static Recents configuration for the current context
* NOTE: We should not hold any references to a Context from a static instance */
public class RecentsConfiguration {
static RecentsConfiguration sInstance;
DisplayMetrics mDisplayMetrics;
public boolean layoutVerticalStack;
public Rect systemInsets = new Rect();
/** Private constructor */
private RecentsConfiguration() {}
/** Updates the configuration to the current context */
public static RecentsConfiguration reinitialize(Context context) {
if (sInstance == null) {
sInstance = new RecentsConfiguration();
}
sInstance.update(context);
return sInstance;
}
/** Returns the current recents configuration */
public static RecentsConfiguration getInstance() {
return sInstance;
}
/** Updates the state, given the specified context */
void update(Context context) {
mDisplayMetrics = context.getResources().getDisplayMetrics();
boolean isPortrait = context.getResources().getConfiguration().orientation ==
Configuration.ORIENTATION_PORTRAIT;
layoutVerticalStack = isPortrait || Constants.LANDSCAPE_LAYOUT_VERTICAL_STACK;
}
public void updateSystemInsets(Rect insets) {
systemInsets.set(insets);
}
/** Converts from DPs to PXs */
public int pxFromDp(float size) {
return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
size, mDisplayMetrics));
}
/** Converts from SPs to PXs */
public int pxFromSp(float size) {
return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP,
size, mDisplayMetrics));
}
}
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