BasicEditor.java revision 87835aa01412f9ba20eb57ac0cbbad3a19b48623 
1/*
2 * Copyright (C) 2012 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.editors;
18
19import android.content.Context;
20import android.view.View;
21import android.widget.FrameLayout;
22import android.widget.SeekBar;
23import android.widget.SeekBar.OnSeekBarChangeListener;
24
25import com.android.gallery3d.R;
26import com.android.gallery3d.filtershow.filters.FilterBasicRepresentation;
27
28/**
29 * The basic editor that all the one parameter filters
30 */
31public class BasicEditor extends Editor implements OnSeekBarChangeListener {
32    public static int ID = R.id.basicEditor;
33    private SeekBar mSeekBar;
34    private final String LOGTAG = "Editor";
35    private int mLayoutID = R.layout.filtershow_default_editor;
36    private int mViewID = R.id.basicEditor;
37
38    public BasicEditor() {
39        super(ID);
40    }
41
42    protected BasicEditor(int id) {
43        super(id);
44    }
45
46    protected BasicEditor(int id, int layoutID, int viewID) {
47        super(id);
48        mLayoutID = layoutID;
49        mViewID = viewID;
50    }
51
52    @Override
53    public void createEditor(Context context, FrameLayout frameLayout) {
54        super.createEditor(context, frameLayout);
55        unpack(mViewID, mLayoutID);
56        mSeekBar = (SeekBar) mView.findViewById(R.id.filterSeekBar);
57        mSeekBar.setOnSeekBarChangeListener(this);
58    }
59
60    @Override
61    public void reflectCurrentFilter() {
62        super.reflectCurrentFilter();
63        if (getLocalRepresentation() != null && getLocalRepresentation() instanceof FilterBasicRepresentation) {
64            FilterBasicRepresentation interval = (FilterBasicRepresentation) getLocalRepresentation();
65            boolean f = interval.showParameterValue();
66            mSeekBar.setVisibility((f) ? View.VISIBLE : View.GONE);
67            int value = interval.getValue();
68            int min = interval.getMinimum();
69            int max = interval.getMaximum();
70            mSeekBar.setMax(max - min);
71            mSeekBar.setProgress(value - min);
72        }
73    }
74
75    @Override
76    public void onProgressChanged(SeekBar sbar, int progress, boolean arg2) {
77        if (getLocalRepresentation() != null && getLocalRepresentation() instanceof FilterBasicRepresentation) {
78            FilterBasicRepresentation interval = (FilterBasicRepresentation) getLocalRepresentation();
79            int value = progress + interval.getMinimum();
80            interval.setValue(value);
81            mImageShow.onNewValue(value);
82            mView.invalidate();
83            if (interval.showParameterValue()) {
84                mPanelController.onNewValue(value);
85            }
86            commitLocalRepresentation();
87        }
88    }
89
90    @Override
91    public void onStartTrackingTouch(SeekBar arg0) {
92    }
93
94    @Override
95    public void onStopTrackingTouch(SeekBar arg0) {
96    }
97}
98