SearchOrbView.java revision e2679e4ccab0ce75f701629c22c179165df4f15e 
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.v17.leanback.widget;
18
19
20import android.content.Context;
21import android.graphics.Rect;
22import android.support.v17.leanback.R;
23import android.util.AttributeSet;
24import android.util.Log;
25import android.view.LayoutInflater;
26import android.view.View;
27import android.widget.LinearLayout;
28
29public class SearchOrbView extends LinearLayout implements View.OnClickListener {
30    private final static String TAG = SearchOrbView.class.getSimpleName();
31    private final static boolean DEBUG = false;
32
33    private OnClickListener mListener;
34    private LinearLayout mSearchOrbView;
35
36    public SearchOrbView(Context context) {
37        this(context, null);
38    }
39
40    public SearchOrbView(Context context, AttributeSet attrs) {
41        this(context, attrs, 0);
42    }
43
44    public SearchOrbView(Context context, AttributeSet attrs, int defStyle) {
45        super(context, attrs, defStyle);
46
47        LayoutInflater inflater = (LayoutInflater) context
48                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
49        mSearchOrbView = (LinearLayout) inflater.inflate(R.layout.lb_search_orb, this, true);
50
51        // By default we are not visible
52        setVisibility(INVISIBLE);
53        setFocusable(true);
54        mSearchOrbView.setAlpha(0.5f);
55
56        setOnClickListener(this);
57    }
58
59    @Override
60    public void onClick(View view) {
61        if (null != mListener) {
62            mListener.onClick(view);
63        }
64    }
65
66    @Override
67    protected void onFocusChanged(boolean gainFocus, int direction, Rect previouslyFocusedRect) {
68        super.onFocusChanged(gainFocus, direction, previouslyFocusedRect);
69        if (DEBUG) Log.v(TAG, "onFocusChanged " + gainFocus + " " + direction);
70        if (gainFocus) {
71            mSearchOrbView.setAlpha(1.0f);
72        } else {
73            mSearchOrbView.setAlpha(0.5f);
74        }
75    }
76
77    /**
78     * Set the on click listener for the orb
79     * @param listener The listener.
80     */
81    public void setOnOrbClickedListener(OnClickListener listener) {
82        mListener = listener;
83        if (null != listener) {
84            setVisibility(View.VISIBLE);
85        } else {
86            setVisibility(View.INVISIBLE);
87        }
88    }
89
90}
91