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 17package com.android.systemui.statusbar; 18 19import android.content.Context; 20import android.graphics.Canvas; 21import android.graphics.drawable.Drawable; 22import android.util.AttributeSet; 23import android.widget.FrameLayout; 24import com.android.systemui.R; 25 26/** 27 * The guts of a notification revealed when performing a long press. 28 */ 29public class NotificationGuts extends FrameLayout { 30 31 private Drawable mBackground; 32 private int mClipTopAmount; 33 private int mActualHeight; 34 35 public NotificationGuts(Context context, AttributeSet attrs) { 36 super(context, attrs); 37 setWillNotDraw(false); 38 } 39 40 @Override 41 protected void onDraw(Canvas canvas) { 42 draw(canvas, mBackground); 43 } 44 45 private void draw(Canvas canvas, Drawable drawable) { 46 if (drawable != null) { 47 drawable.setBounds(0, mClipTopAmount, getWidth(), mActualHeight); 48 drawable.draw(canvas); 49 } 50 } 51 52 @Override 53 protected void onFinishInflate() { 54 super.onFinishInflate(); 55 mBackground = mContext.getDrawable(R.drawable.notification_guts_bg); 56 if (mBackground != null) { 57 mBackground.setCallback(this); 58 } 59 } 60 61 @Override 62 protected boolean verifyDrawable(Drawable who) { 63 return super.verifyDrawable(who) || who == mBackground; 64 } 65 66 @Override 67 protected void drawableStateChanged() { 68 drawableStateChanged(mBackground); 69 } 70 71 private void drawableStateChanged(Drawable d) { 72 if (d != null && d.isStateful()) { 73 d.setState(getDrawableState()); 74 } 75 } 76 77 @Override 78 public void drawableHotspotChanged(float x, float y) { 79 if (mBackground != null) { 80 mBackground.setHotspot(x, y); 81 } 82 } 83 84 public void setActualHeight(int actualHeight) { 85 mActualHeight = actualHeight; 86 invalidate(); 87 } 88 89 public int getActualHeight() { 90 return mActualHeight; 91 } 92 93 public void setClipTopAmount(int clipTopAmount) { 94 mClipTopAmount = clipTopAmount; 95 invalidate(); 96 } 97 98 @Override 99 public boolean hasOverlappingRendering() { 100 101 // Prevents this view from creating a layer when alpha is animating. 102 return false; 103 } 104} 105