19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage com.android.internal.widget; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.SystemClock; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.Gravity; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewGroup; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.Chronometer; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.Chronometer.OnChronometerTickListener; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.ProgressBar; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.RelativeLayout; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.RemoteViews.RemoteView; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Container that links together a {@link ProgressBar} and {@link Chronometer} 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * as children. It subscribes to {@link Chronometer#OnChronometerTickListener} 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and updates the {@link ProgressBar} based on a preset finishing time. 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This widget expects to contain two children with specific ids 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.id.progress} and {@link android.R.id.text1}. 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If the {@link Chronometer} {@link android.R.attr#layout_width} is 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.ViewGroup.LayoutParams#WRAP_CONTENT}, then the 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.attr#gravity} will be used to automatically move it with 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * respect to the {@link ProgressBar} position. For example, if 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.Gravity#LEFT} then the {@link Chronometer} will be placed 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * just ahead of the leading edge of the {@link ProgressBar} position. 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project@RemoteView 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class TextProgressBar extends RelativeLayout implements OnChronometerTickListener { 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String TAG = "TextProgressBar"; 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int CHRONOMETER_ID = android.R.id.text1; 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int PROGRESSBAR_ID = android.R.id.progress; 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Chronometer mChronometer = null; 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ProgressBar mProgressBar = null; 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long mDurationBase = -1; 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mDuration = -1; 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mChronometerFollow = false; 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mChronometerGravity = Gravity.NO_GRAVITY; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TextProgressBar(Context context, AttributeSet attrs, int defStyle) { 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs, defStyle); 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TextProgressBar(Context context, AttributeSet attrs) { 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs); 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TextProgressBar(Context context) { 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Catch any interesting children when they are added. 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addView(View child, int index, ViewGroup.LayoutParams params) { 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.addView(child, index, params); 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int childId = child.getId(); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childId == CHRONOMETER_ID && child instanceof Chronometer) { 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChronometer = (Chronometer) child; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChronometer.setOnChronometerTickListener(this); 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check if Chronometer should move with with ProgressBar 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChronometerFollow = (params.width == ViewGroup.LayoutParams.WRAP_CONTENT); 896a03640539405afbdefe72894759281b98aa6e6fFabrice Di Meglio mChronometerGravity = (mChronometer.getGravity() & 906a03640539405afbdefe72894759281b98aa6e6fFabrice Di Meglio Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK); 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (childId == PROGRESSBAR_ID && child instanceof ProgressBar) { 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mProgressBar = (ProgressBar) child; 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the expected termination time of the running {@link Chronometer}. 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This value is used to adjust the {@link ProgressBar} against the elapsed 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * time. 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Call this <b>after</b> adjusting the {@link Chronometer} base, if 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * necessary. 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param durationBase Use the {@link SystemClock#elapsedRealtime} time 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * base. 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @android.view.RemotableViewMethod 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDurationBase(long durationBase) { 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDurationBase = durationBase; 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mProgressBar == null || mChronometer == null) { 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("Expecting child ProgressBar with id " + 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "'android.R.id.progress' and Chronometer id 'android.R.id.text1'"); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Update the ProgressBar maximum relative to Chronometer base 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDuration = (int) (durationBase - mChronometer.getBase()); 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDuration <= 0) { 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDuration = 1; 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mProgressBar.setMax(mDuration); 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback when {@link Chronometer} changes, indicating that we should 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * update the {@link ProgressBar} and change the layout if necessary. 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onChronometerTick(Chronometer chronometer) { 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mProgressBar == null) { 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException( 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Expecting child ProgressBar with id 'android.R.id.progress'"); 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Stop Chronometer if we're past duration 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long now = SystemClock.elapsedRealtime(); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (now >= mDurationBase) { 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChronometer.stop(); 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Update the ProgressBar status 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int remaining = (int) (mDurationBase - now); 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mProgressBar.setProgress(mDuration - remaining); 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Move the Chronometer if gravity is set correctly 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mChronometerFollow) { 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RelativeLayout.LayoutParams params; 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Calculate estimate of ProgressBar leading edge position 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params = (RelativeLayout.LayoutParams) mProgressBar.getLayoutParams(); 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int contentWidth = mProgressBar.getWidth() - (params.leftMargin + params.rightMargin); 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int leadingEdge = ((contentWidth * mProgressBar.getProgress()) / 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mProgressBar.getMax()) + params.leftMargin; 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Calculate any adjustment based on gravity 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int adjustLeft = 0; 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int textWidth = mChronometer.getWidth(); 158aac0d4ed026d1cfbcf3fa81c6e4eb96f4347ca17Fabrice Di Meglio if (mChronometerGravity == Gravity.END) { 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project adjustLeft = -textWidth; 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mChronometerGravity == Gravity.CENTER_HORIZONTAL) { 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project adjustLeft = -(textWidth / 2); 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Limit margin to keep text inside ProgressBar bounds 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project leadingEdge += adjustLeft; 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int rightLimit = contentWidth - params.rightMargin - textWidth; 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (leadingEdge < params.leftMargin) { 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project leadingEdge = params.leftMargin; 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (leadingEdge > rightLimit) { 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project leadingEdge = rightLimit; 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params = (RelativeLayout.LayoutParams) mChronometer.getLayoutParams(); 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params.leftMargin = leadingEdge; 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Request layout to move Chronometer 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChronometer.requestLayout(); 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 182