Home | History | Annotate | Download | only in launcher2
      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.widget.ImageView;
     21 import android.content.Context;
     22 import android.content.res.TypedArray;
     23 import android.util.AttributeSet;
     24 import android.view.MotionEvent;
     25 import android.view.KeyEvent;
     26 import android.view.View;
     27 
     28 import com.android.launcher.R;
     29 
     30 public class HandleView extends ImageView {
     31     private static final int ORIENTATION_HORIZONTAL = 1;
     32 
     33     private Launcher mLauncher;
     34     private int mOrientation = ORIENTATION_HORIZONTAL;
     35 
     36     public HandleView(Context context) {
     37         super(context);
     38     }
     39 
     40     public HandleView(Context context, AttributeSet attrs) {
     41         this(context, attrs, 0);
     42     }
     43 
     44     public HandleView(Context context, AttributeSet attrs, int defStyle) {
     45         super(context, attrs, defStyle);
     46 
     47         TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.HandleView, defStyle, 0);
     48         mOrientation = a.getInt(R.styleable.HandleView_direction, ORIENTATION_HORIZONTAL);
     49         a.recycle();
     50 
     51         setContentDescription(context.getString(R.string.all_apps_button_label));
     52     }
     53 
     54     @Override
     55     public View focusSearch(int direction) {
     56         View newFocus = super.focusSearch(direction);
     57         if (newFocus == null && !mLauncher.isAllAppsVisible()) {
     58             final Workspace workspace = mLauncher.getWorkspace();
     59             workspace.dispatchUnhandledMove(null, direction);
     60             return (mOrientation == ORIENTATION_HORIZONTAL && direction == FOCUS_DOWN) ?
     61                     this : workspace;
     62         }
     63         return newFocus;
     64     }
     65 
     66     @Override
     67     public boolean onTouchEvent(MotionEvent ev) {
     68         if (ev.getAction() == MotionEvent.ACTION_DOWN && mLauncher.isAllAppsVisible()) {
     69             return false;
     70         }
     71         return super.onTouchEvent(ev);
     72     }
     73 
     74     void setLauncher(Launcher launcher) {
     75         mLauncher = launcher;
     76     }
     77 }
     78