1/*
2 * Copyright (C) 2013 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 com.android.gallery3d.filtershow.controller;
18
19import android.content.Context;
20import android.view.LayoutInflater;
21import android.view.View;
22import android.view.ViewGroup;
23import android.widget.LinearLayout;
24import android.widget.SeekBar;
25import android.widget.SeekBar.OnSeekBarChangeListener;
26
27import com.android.gallery3d.R;
28import com.android.gallery3d.filtershow.editors.Editor;
29
30public class BasicSlider implements Control {
31    private SeekBar mSeekBar;
32    private ParameterInteger mParameter;
33    Editor mEditor;
34
35    @Override
36    public void setUp(ViewGroup container, Parameter parameter, Editor editor) {
37        container.removeAllViews();
38        mEditor = editor;
39        Context context = container.getContext();
40        mParameter = (ParameterInteger) parameter;
41        LayoutInflater inflater =
42                (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
43        LinearLayout lp = (LinearLayout) inflater.inflate(
44                R.layout.filtershow_seekbar, container, true);
45        mSeekBar = (SeekBar) lp.findViewById(R.id.primarySeekBar);
46        mSeekBar.setVisibility(View.VISIBLE);
47        updateUI();
48        mSeekBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
49
50            @Override
51            public void onStopTrackingTouch(SeekBar seekBar) {
52            }
53
54            @Override
55            public void onStartTrackingTouch(SeekBar seekBar) {
56            }
57
58            @Override
59            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
60                if (mParameter != null) {
61                    mParameter.setValue(progress + mParameter.getMinimum());
62                    mEditor.commitLocalRepresentation();
63
64                }
65            }
66        });
67    }
68
69    @Override
70    public View getTopView() {
71        return mSeekBar;
72    }
73
74    @Override
75    public void setPrameter(Parameter parameter) {
76        mParameter = (ParameterInteger) parameter;
77        if (mSeekBar != null) {
78            updateUI();
79        }
80    }
81
82    @Override
83    public void updateUI() {
84        mSeekBar.setMax(mParameter.getMaximum() - mParameter.getMinimum());
85        mSeekBar.setProgress(mParameter.getValue() - mParameter.getMinimum());
86    }
87}
88