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 android.support.v7.widget; 18 19import android.content.Context; 20import android.graphics.Canvas; 21import android.support.v7.appcompat.R; 22import android.util.AttributeSet; 23import android.widget.SeekBar; 24 25/** 26 * A {@link SeekBar} which supports compatible features on older version of the platform. 27 * 28 * <p>This will automatically be used when you use {@link SeekBar} in your layouts. 29 * You should only need to manually use this class when writing custom views.</p> 30 */ 31public class AppCompatSeekBar extends SeekBar { 32 33 private AppCompatSeekBarHelper mAppCompatSeekBarHelper; 34 private AppCompatDrawableManager mDrawableManager; 35 36 public AppCompatSeekBar(Context context) { 37 this(context, null); 38 } 39 40 public AppCompatSeekBar(Context context, AttributeSet attrs) { 41 this(context, attrs, R.attr.seekBarStyle); 42 } 43 44 public AppCompatSeekBar(Context context, AttributeSet attrs, int defStyleAttr) { 45 super(context, attrs, defStyleAttr); 46 47 mDrawableManager = AppCompatDrawableManager.get(); 48 49 mAppCompatSeekBarHelper = new AppCompatSeekBarHelper(this, mDrawableManager); 50 mAppCompatSeekBarHelper.loadFromAttributes(attrs, defStyleAttr); 51 } 52 53 @Override 54 protected void onDraw(Canvas canvas) { 55 super.onDraw(canvas); 56 mAppCompatSeekBarHelper.drawTickMarks(canvas); 57 } 58 59 @Override 60 protected void drawableStateChanged() { 61 super.drawableStateChanged(); 62 mAppCompatSeekBarHelper.drawableStateChanged(); 63 } 64 65 @Override 66 public void jumpDrawablesToCurrentState() { 67 super.jumpDrawablesToCurrentState(); 68 mAppCompatSeekBarHelper.jumpDrawablesToCurrentState(); 69 } 70} 71