1 /* 2 * Copyright (C) 2014 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 17 package com.android.systemui.statusbar; 18 19 import android.annotation.ColorInt; 20 import android.annotation.StringRes; 21 import android.content.Context; 22 import android.content.res.Configuration; 23 import android.util.AttributeSet; 24 import android.view.View; 25 import android.widget.TextView; 26 27 import com.android.systemui.R; 28 import com.android.systemui.statusbar.notification.row.StackScrollerDecorView; 29 import com.android.systemui.statusbar.notification.stack.ExpandableViewState; 30 31 public class EmptyShadeView extends StackScrollerDecorView { 32 33 private TextView mEmptyText; 34 private @StringRes int mText = R.string.empty_shade_text; 35 EmptyShadeView(Context context, AttributeSet attrs)36 public EmptyShadeView(Context context, AttributeSet attrs) { 37 super(context, attrs); 38 } 39 40 @Override onConfigurationChanged(Configuration newConfig)41 protected void onConfigurationChanged(Configuration newConfig) { 42 super.onConfigurationChanged(newConfig); 43 mEmptyText.setText(mText); 44 } 45 46 @Override findContentView()47 protected View findContentView() { 48 return findViewById(R.id.no_notifications); 49 } 50 51 @Override findSecondaryView()52 protected View findSecondaryView() { 53 return null; 54 } 55 setTextColor(@olorInt int color)56 public void setTextColor(@ColorInt int color) { 57 mEmptyText.setTextColor(color); 58 } 59 setText(@tringRes int text)60 public void setText(@StringRes int text) { 61 mText = text; 62 mEmptyText.setText(mText); 63 } 64 getTextResource()65 public int getTextResource() { 66 return mText; 67 } 68 69 @Override onFinishInflate()70 protected void onFinishInflate() { 71 super.onFinishInflate(); 72 mEmptyText = (TextView) findContentView(); 73 } 74 75 @Override createExpandableViewState()76 public ExpandableViewState createExpandableViewState() { 77 return new EmptyShadeViewState(); 78 } 79 80 public class EmptyShadeViewState extends ExpandableViewState { 81 @Override applyToView(View view)82 public void applyToView(View view) { 83 super.applyToView(view); 84 if (view instanceof EmptyShadeView) { 85 EmptyShadeView emptyShadeView = (EmptyShadeView) view; 86 boolean visible = this.clipTopAmount <= mEmptyText.getPaddingTop() * 0.6f; 87 emptyShadeView.setContentVisible(visible && emptyShadeView.isVisible()); 88 } 89 } 90 } 91 } 92