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.colorpicker.ColorListener;
29import com.android.gallery3d.filtershow.colorpicker.ColorOpacityView;
30import com.android.gallery3d.filtershow.editors.Editor;
31
32public class SliderOpacity implements Control {
33    private ColorOpacityView mColorOpacityView;
34    private ParameterOpacity mParameter;
35    private Editor mEditor;
36
37    @Override
38    public void setUp(ViewGroup container, Parameter parameter, Editor editor) {
39        container.removeAllViews();
40        mEditor = editor;
41        Context context = container.getContext();
42        mParameter = (ParameterOpacity) parameter;
43        LayoutInflater inflater =
44                (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
45        LinearLayout lp = (LinearLayout) inflater.inflate(
46                R.layout.filtershow_opacity, container, true);
47
48        mColorOpacityView = (ColorOpacityView) lp.findViewById(R.id.opacityView);
49        updateUI();
50        mColorOpacityView.addColorListener(new ColorListener() {
51            @Override
52            public void setColor(float[] hsvo) {
53                mParameter.setValue((int) (255 * hsvo[3]));
54                mEditor.commitLocalRepresentation();
55            }
56            @Override
57            public void addColorListener(ColorListener l) {
58            }
59        });
60    }
61
62    @Override
63    public View getTopView() {
64        return mColorOpacityView;
65    }
66
67    @Override
68    public void setPrameter(Parameter parameter) {
69        mParameter = (ParameterOpacity) parameter;
70        if (mColorOpacityView != null) {
71            updateUI();
72        }
73    }
74
75    @Override
76    public void updateUI() {
77        mColorOpacityView.setColor(mParameter.getColor());
78    }
79}
80