1/* 2 * Copyright (C) 2015 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 17package com.android.layoutlib.bridge.bars; 18 19import com.android.layoutlib.bridge.android.BridgeContext; 20import com.android.resources.Density; 21 22import android.content.Context; 23import android.content.pm.ApplicationInfo; 24import android.util.AttributeSet; 25import android.view.View; 26import android.widget.LinearLayout; 27 28/** 29 * Navigation Bar for the Theme Editor preview. 30 * 31 * For small bars, it is identical to {@link NavigationBar}. 32 * But wide bars from {@link NavigationBar} are too wide for the Theme Editor preview. 33 * To solve that problem, {@link ThemePreviewNavigationBar} use the layout for small bars, 34 * and have no padding on the sides. That way, they have a similar look as the true ones, 35 * and they fit in the Theme Editor preview. 36 */ 37public class ThemePreviewNavigationBar extends NavigationBar { 38 private static final int PADDING_WIDTH_SW600 = 0; 39 40 @SuppressWarnings("unused") 41 public ThemePreviewNavigationBar(Context context, AttributeSet attrs) { 42 super((BridgeContext) context, 43 Density.getEnum(((BridgeContext) context).getMetrics().densityDpi), 44 LinearLayout.HORIZONTAL, // In this mode, it doesn't need to be render vertically 45 ((BridgeContext) context).getConfiguration().getLayoutDirection() == 46 View.LAYOUT_DIRECTION_RTL, 47 (context.getApplicationInfo().flags & ApplicationInfo.FLAG_SUPPORTS_RTL) != 0, 48 0, LAYOUT_XML); 49 } 50 51 @Override 52 protected int getSidePadding(float sw) { 53 if (sw >= 600) { 54 return PADDING_WIDTH_SW600; 55 } 56 return super.getSidePadding(sw); 57 } 58} 59