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 18 package com.android.launcher2; 19 20 import android.content.Context; 21 import android.content.res.TypedArray; 22 import android.util.AttributeSet; 23 import android.view.MotionEvent; 24 import android.view.View; 25 import android.widget.ImageView; 26 27 import com.android.launcher.R; 28 29 public class HandleView extends ImageView { 30 private static final int ORIENTATION_HORIZONTAL = 1; 31 32 private Launcher mLauncher; 33 private int mOrientation = ORIENTATION_HORIZONTAL; 34 HandleView(Context context)35 public HandleView(Context context) { 36 super(context); 37 } 38 HandleView(Context context, AttributeSet attrs)39 public HandleView(Context context, AttributeSet attrs) { 40 this(context, attrs, 0); 41 } 42 HandleView(Context context, AttributeSet attrs, int defStyle)43 public HandleView(Context context, AttributeSet attrs, int defStyle) { 44 super(context, attrs, defStyle); 45 46 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.HandleView, defStyle, 0); 47 mOrientation = a.getInt(R.styleable.HandleView_direction, ORIENTATION_HORIZONTAL); 48 a.recycle(); 49 50 setContentDescription(context.getString(R.string.all_apps_button_label)); 51 } 52 53 @Override focusSearch(int direction)54 public View focusSearch(int direction) { 55 View newFocus = super.focusSearch(direction); 56 if (newFocus == null && !mLauncher.isAllAppsVisible()) { 57 final Workspace workspace = mLauncher.getWorkspace(); 58 workspace.dispatchUnhandledMove(null, direction); 59 return (mOrientation == ORIENTATION_HORIZONTAL && direction == FOCUS_DOWN) ? 60 this : workspace; 61 } 62 return newFocus; 63 } 64 65 @Override onTouchEvent(MotionEvent ev)66 public boolean onTouchEvent(MotionEvent ev) { 67 if (ev.getAction() == MotionEvent.ACTION_DOWN && mLauncher.isAllAppsVisible()) { 68 return false; 69 } 70 return super.onTouchEvent(ev); 71 } 72 setLauncher(Launcher launcher)73 void setLauncher(Launcher launcher) { 74 mLauncher = launcher; 75 } 76 } 77