1/* 2 * Copyright (C) 2016 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 */ 16package com.android.launcher3.pageindicators; 17 18import android.content.Context; 19import android.graphics.Canvas; 20import android.graphics.Rect; 21import android.util.AttributeSet; 22 23import com.android.launcher3.Launcher; 24import com.android.launcher3.R; 25 26/** 27 * Simply draws the caret drawable bottom-right aligned in the view. This ensures that we can have 28 * a view with as large an area as we want (for touching) while maintaining a caret of size 29 * all_apps_caret_size. Used only for the landscape layout. 30 */ 31public class PageIndicatorCaretLandscape extends PageIndicator { 32 // all apps pull up handle drawable. 33 34 public PageIndicatorCaretLandscape(Context context) { 35 this(context, null); 36 } 37 38 public PageIndicatorCaretLandscape(Context context, AttributeSet attrs) { 39 this(context, attrs, 0); 40 } 41 42 public PageIndicatorCaretLandscape(Context context, AttributeSet attrs, int defStyle) { 43 super(context, attrs, defStyle); 44 45 int caretSize = context.getResources().getDimensionPixelSize(R.dimen.all_apps_caret_size); 46 CaretDrawable caretDrawable = new CaretDrawable(context); 47 caretDrawable.setBounds(0, 0, caretSize, caretSize); 48 setCaretDrawable(caretDrawable); 49 50 Launcher l = Launcher.getLauncher(context); 51 setOnClickListener(l); 52 setOnFocusChangeListener(l.mFocusHandler); 53 } 54 55 @Override 56 protected void onDraw(Canvas canvas) { 57 Rect drawableBounds = getCaretDrawable().getBounds(); 58 int count = canvas.save(); 59 canvas.translate((getWidth() - drawableBounds.width()) / 2, 60 getHeight() - drawableBounds.height()); 61 getCaretDrawable().draw(canvas); 62 canvas.restoreToCount(count); 63 } 64} 65