19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 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 171d3165f10b12165f02b7015ac1a817c5f60e6399Neal Nguyenpackage android.util; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 191d3165f10b12165f02b7015ac1a817c5f60e6399Neal Nguyenimport com.android.frameworks.coretests.R; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.KeyEvent; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.TypedArray; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Paint; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Canvas; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Rect; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Color; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A view that has a known number of selectable rows, and maintains a notion of which 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row is selected. The rows take up the 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * entire width of the view. The height of the view is divided evenly among 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the rows. 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3936a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov * Note: If the height of the view does not divide exactly to the number of rows, 4036a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov * the last row's height is inflated with the remainder. For example, if the 4136a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov * view height is 22 and there are two rows, the height of the first row is 4236a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov * 10 and the second 22. 4336a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov * 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Notice what this view does to be a good citizen w.r.t its internal selection: 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1) calls {@link View#requestRectangleOnScreen} each time the selection changes due to 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * internal navigation. 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2) implements {@link View#getFocusedRect} by filling in the rectangle of the currently 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * selected row 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3) overrides {@link View#onFocusChanged} and sets selection appropriately according to 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the previously focused rectangle. 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class InternalSelectionView extends View { 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Paint mPainter = new Paint(); 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Paint mTextPaint = new Paint(); 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Rect mTempRect = new Rect(); 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mNumRows = 5; 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mSelectedRow = 0; 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final int mEstimatedPixelHeight = 10; 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Integer mDesiredHeight = null; 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String mLabel = null; 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public InternalSelectionView(Context context, int numRows, String label) { 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNumRows = numRows; 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLabel = label; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project init(); 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public InternalSelectionView(Context context, AttributeSet attrs) { 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs); 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context.obtainStyledAttributes( 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project attrs, R.styleable.SelectableRowView); 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNumRows = a.getInt(R.styleable.SelectableRowView_numRows, 5); 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project init(); 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void init() { 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setFocusable(true); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextPaint.setAntiAlias(true); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextPaint.setTextSize(10); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextPaint.setColor(Color.WHITE); 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getNumRows() { 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mNumRows; 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSelectedRow() { 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSelectedRow; 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDesiredHeight(int desiredHeight) { 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDesiredHeight = desiredHeight; 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String getLabel() { 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLabel; 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setMeasuredDimension( 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project measureWidth(widthMeasureSpec), 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project measureHeight(heightMeasureSpec)); 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int measureWidth(int measureSpec) { 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int specMode = MeasureSpec.getMode(measureSpec); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int specSize = MeasureSpec.getSize(measureSpec); 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int desiredWidth = 300 + mPaddingLeft + mPaddingRight; 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (specMode == MeasureSpec.EXACTLY) { 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We were told how big to be 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return specSize; 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (specMode == MeasureSpec.AT_MOST) { 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return desiredWidth < specSize ? desiredWidth : specSize; 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return desiredWidth; 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int measureHeight(int measureSpec) { 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int specMode = MeasureSpec.getMode(measureSpec); 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int specSize = MeasureSpec.getSize(measureSpec); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int desiredHeight = mDesiredHeight != null ? 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDesiredHeight : 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNumRows * mEstimatedPixelHeight + mPaddingTop + mPaddingBottom; 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (specMode == MeasureSpec.EXACTLY) { 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We were told how big to be 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return specSize; 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (specMode == MeasureSpec.AT_MOST) { 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return desiredHeight < specSize ? desiredHeight : specSize; 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return desiredHeight; 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onDraw(Canvas canvas) { 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int rectTop = mPaddingTop; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int rectLeft = mPaddingLeft; 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int rectRight = getWidth() - mPaddingRight; 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < mNumRows; i++) { 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPainter.setColor(Color.BLACK); 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPainter.setAlpha(0x20); 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15436a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov int rowHeight = getRowHeight(i); 15536a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // draw background rect 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTempRect.set(rectLeft, rectTop, rectRight, rectTop + rowHeight); 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.drawRect(mTempRect, mPainter); 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // draw forground rect 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == mSelectedRow && hasFocus()) { 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPainter.setColor(Color.RED); 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPainter.setAlpha(0xF0); 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextPaint.setAlpha(0xFF); 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPainter.setColor(Color.BLACK); 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPainter.setAlpha(0x40); 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextPaint.setAlpha(0xF0); 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTempRect.set(rectLeft + 2, rectTop + 2, 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rectRight - 2, rectTop + rowHeight - 2); 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.drawRect(mTempRect, mPainter); 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // draw text to help when visually inspecting 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.drawText( 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Integer.toString(i), 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rectLeft + 2, 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rectTop + 2 - (int) mTextPaint.ascent(), 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextPaint); 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rectTop += rowHeight; 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18536a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov private int getRowHeight(int row) { 18636a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov final int availableHeight = getHeight() - mPaddingTop - mPaddingBottom; 18736a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov final int desiredRowHeight = availableHeight / mNumRows; 18836a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov if (row < mNumRows - 1) { 18936a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov return desiredRowHeight; 19036a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov } else { 19136a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov final int residualHeight = availableHeight % mNumRows; 19236a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov return desiredRowHeight + residualHeight; 19336a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov } 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void getRectForRow(Rect rect, int row) { 19736a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov final int rowHeight = getRowHeight(row); 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = mPaddingTop + row * rowHeight; 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.set(mPaddingLeft, 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project top, 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getWidth() - mPaddingRight, 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project top + rowHeight); 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void ensureRectVisible() { 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getRectForRow(mTempRect, mSelectedRow); 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestRectangleOnScreen(mTempRect); 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21136a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov @Override 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKeyDown(int keyCode, KeyEvent event) { 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(event.getKeyCode()) { 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_UP: 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelectedRow > 0) { 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedRow--; 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ensureRectVisible(); 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_DOWN: 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelectedRow < (mNumRows - 1)) { 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedRow++; 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ensureRectVisible(); 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void getFocusedRect(Rect r) { 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getRectForRow(r, mSelectedRow); 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onFocusChanged(boolean focused, int direction, 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect previouslyFocusedRect) { 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onFocusChanged(focused, direction, previouslyFocusedRect); 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (focused) { 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (direction) { 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_DOWN: 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedRow = 0; 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_UP: 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedRow = mNumRows - 1; 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_LEFT: // fall through 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case View.FOCUS_RIGHT: 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // set the row that is closest to the rect 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (previouslyFocusedRect != null) { 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int y = previouslyFocusedRect.top 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + (previouslyFocusedRect.height() / 2); 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int yPerRow = getHeight() / mNumRows; 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedRow = y / yPerRow; 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectedRow = 0; 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // can't gleam any useful information about what internal 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // selection should be... 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String toString() { 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLabel != null) { 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLabel; 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.toString(); 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 282