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
18package com.android.launcher2;
19
20import android.content.Context;
21import android.content.res.TypedArray;
22import android.util.AttributeSet;
23import android.view.MotionEvent;
24import android.view.View;
25import android.widget.ImageView;
26
27import com.android.launcher.R;
28
29public class HandleView extends ImageView {
30    private static final int ORIENTATION_HORIZONTAL = 1;
31
32    private Launcher mLauncher;
33    private int mOrientation = ORIENTATION_HORIZONTAL;
34
35    public HandleView(Context context) {
36        super(context);
37    }
38
39    public HandleView(Context context, AttributeSet attrs) {
40        this(context, attrs, 0);
41    }
42
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
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
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
73    void setLauncher(Launcher launcher) {
74        mLauncher = launcher;
75    }
76}
77