1 /* 2 * Copyright (C) 2008 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.content.Context; 20 import android.content.res.Configuration; 21 import android.graphics.Canvas; 22 import android.os.SystemClock; 23 import android.util.AttributeSet; 24 import android.view.MotionEvent; 25 import android.view.View; 26 import android.view.ViewGroup; 27 import android.view.ViewParent; 28 import android.widget.FrameLayout; 29 30 import com.android.systemui.R; 31 32 public class StatusBarView extends FrameLayout { 33 private static final String TAG = "StatusBarView"; 34 35 static final int DIM_ANIM_TIME = 400; 36 37 StatusBarService mService; 38 boolean mTracking; 39 int mStartX, mStartY; 40 ViewGroup mNotificationIcons; 41 ViewGroup mStatusIcons; 42 View mDate; 43 FixedSizeDrawable mBackground; 44 StatusBarView(Context context, AttributeSet attrs)45 public StatusBarView(Context context, AttributeSet attrs) { 46 super(context, attrs); 47 } 48 49 @Override onFinishInflate()50 protected void onFinishInflate() { 51 super.onFinishInflate(); 52 mNotificationIcons = (ViewGroup)findViewById(R.id.notificationIcons); 53 mStatusIcons = (ViewGroup)findViewById(R.id.statusIcons); 54 mDate = findViewById(R.id.date); 55 56 mBackground = new FixedSizeDrawable(mDate.getBackground()); 57 mBackground.setFixedBounds(0, 0, 0, 0); 58 mDate.setBackgroundDrawable(mBackground); 59 } 60 61 @Override onAttachedToWindow()62 protected void onAttachedToWindow() { 63 super.onAttachedToWindow(); 64 mService.onBarViewAttached(); 65 } 66 67 @Override onSizeChanged(int w, int h, int oldw, int oldh)68 protected void onSizeChanged(int w, int h, int oldw, int oldh) { 69 super.onSizeChanged(w, h, oldw, oldh); 70 mService.updateExpandedViewPos(StatusBarService.EXPANDED_LEAVE_ALONE); 71 } 72 73 @Override onLayout(boolean changed, int l, int t, int r, int b)74 protected void onLayout(boolean changed, int l, int t, int r, int b) { 75 super.onLayout(changed, l, t, r, b); 76 77 // put the date date view quantized to the icons 78 int oldDateRight = mDate.getRight(); 79 int newDateRight; 80 81 newDateRight = getDateSize(mNotificationIcons, oldDateRight, 82 getViewOffset(mNotificationIcons)); 83 if (newDateRight < 0) { 84 int offset = getViewOffset(mStatusIcons); 85 if (oldDateRight < offset) { 86 newDateRight = oldDateRight; 87 } else { 88 newDateRight = getDateSize(mStatusIcons, oldDateRight, offset); 89 if (newDateRight < 0) { 90 newDateRight = r; 91 } 92 } 93 } 94 int max = r - getPaddingRight(); 95 if (newDateRight > max) { 96 newDateRight = max; 97 } 98 99 mDate.layout(mDate.getLeft(), mDate.getTop(), newDateRight, mDate.getBottom()); 100 mBackground.setFixedBounds(-mDate.getLeft(), -mDate.getTop(), (r-l), (b-t)); 101 } 102 103 /** 104 * Gets the left position of v in this view. Throws if v is not 105 * a child of this. 106 */ getViewOffset(View v)107 private int getViewOffset(View v) { 108 int offset = 0; 109 while (v != this) { 110 offset += v.getLeft(); 111 ViewParent p = v.getParent(); 112 if (v instanceof View) { 113 v = (View)p; 114 } else { 115 throw new RuntimeException(v + " is not a child of " + this); 116 } 117 } 118 return offset; 119 } 120 getDateSize(ViewGroup g, int w, int offset)121 private int getDateSize(ViewGroup g, int w, int offset) { 122 final int N = g.getChildCount(); 123 for (int i=0; i<N; i++) { 124 View v = g.getChildAt(i); 125 int l = v.getLeft() + offset; 126 int r = v.getRight() + offset; 127 if (w >= l && w <= r) { 128 return r; 129 } 130 } 131 return -1; 132 } 133 134 /** 135 * Ensure that, if there is no target under us to receive the touch, 136 * that we process it ourself. This makes sure that onInterceptTouchEvent() 137 * is always called for the entire gesture. 138 */ 139 @Override onTouchEvent(MotionEvent event)140 public boolean onTouchEvent(MotionEvent event) { 141 if (event.getAction() != MotionEvent.ACTION_DOWN) { 142 mService.interceptTouchEvent(event); 143 } 144 return true; 145 } 146 147 @Override onInterceptTouchEvent(MotionEvent event)148 public boolean onInterceptTouchEvent(MotionEvent event) { 149 return mService.interceptTouchEvent(event) 150 ? true : super.onInterceptTouchEvent(event); 151 } 152 } 153 154