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.colorpicker;
18
19import android.app.Dialog;
20import android.content.Context;
21import android.content.res.Configuration;
22import android.graphics.Color;
23import android.graphics.drawable.GradientDrawable;
24import android.util.DisplayMetrics;
25import android.view.View;
26import android.view.ViewGroup;
27import android.view.Window;
28import android.view.WindowManager;
29import android.widget.Button;
30import android.widget.ImageButton;
31import android.widget.ToggleButton;
32
33import com.android.gallery3d.R;
34import com.android.gallery3d.filtershow.FilterShowActivity;
35import com.android.photos.views.GalleryThumbnailView;
36
37public class ColorPickerDialog extends Dialog   {
38    ToggleButton mSelectedButton;
39    ColorHueView mColorHueView;
40    ColorSVRectView mColorSVRectView;
41    ColorOpacityView mColorOpacityView;
42    ColorCompareView mColorCompareView;
43
44    float[] mHSVO = new float[4]; // hue=0..360, sat & val opacity = 0...1
45
46    public ColorPickerDialog(Context context, final ColorListener cl) {
47        super(context);
48        DisplayMetrics metrics = new DisplayMetrics();
49        WindowManager wm =  (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
50        wm.getDefaultDisplay().getMetrics(metrics);
51        int height = metrics.heightPixels*8/10;
52        int width = metrics.widthPixels*8/10;
53        getWindow().setLayout(width, height);
54        requestWindowFeature(Window.FEATURE_NO_TITLE);
55        setContentView(R.layout.filtershow_color_picker);
56        mColorHueView = (ColorHueView) findViewById(R.id.ColorHueView);
57        mColorSVRectView = (ColorSVRectView) findViewById(R.id.colorRectView);
58        mColorOpacityView = (ColorOpacityView) findViewById(R.id.colorOpacityView);
59        mColorCompareView = (ColorCompareView) findViewById(R.id.btnSelect);
60
61        float[] hsvo = new float[] {
62                123, .9f, 1, 1 };
63
64        ImageButton apply = (ImageButton) findViewById(R.id.applyColorPick);
65        ImageButton cancel = (ImageButton) findViewById(R.id.cancelColorPick);
66
67        apply.setOnClickListener(new View.OnClickListener() {
68            @Override
69            public void onClick(View view) {
70                cl.setColor(mHSVO);
71                ColorPickerDialog.this.dismiss();
72            }
73        });
74        cancel.setOnClickListener(new View.OnClickListener() {
75            @Override
76            public void onClick(View view) {
77                ColorPickerDialog.this.dismiss();
78            }
79        });
80        ColorListener [] c = {mColorCompareView,mColorSVRectView,mColorOpacityView,mColorHueView};
81        for (int i = 0; i < c.length; i++) {
82            c[i].setColor(hsvo);
83            for (int j = 0; j < c.length; j++) {
84                if (i==j) {
85                     continue;
86                }
87               c[i].addColorListener(c[j]);
88            }
89        }
90
91        ColorListener colorListener = new ColorListener(){
92            @Override
93            public void setColor(float[] hsvo) {
94                System.arraycopy(hsvo, 0, mHSVO, 0, mHSVO.length);
95                int color = Color.HSVToColor(hsvo);
96                setButtonColor(mSelectedButton, hsvo);
97            }
98
99            @Override
100            public void addColorListener(ColorListener l) {
101            }
102        };
103
104        for (int i = 0; i < c.length; i++) {
105            c[i].addColorListener(colorListener);
106        }
107        setOnShowListener((FilterShowActivity) context);
108        setOnDismissListener((FilterShowActivity) context);
109    }
110
111    void toggleClick(ToggleButton v, int[] buttons, boolean isChecked) {
112        int id = v.getId();
113        if (!isChecked) {
114            mSelectedButton = null;
115            return;
116        }
117        for (int i = 0; i < buttons.length; i++) {
118            if (id != buttons[i]) {
119                ToggleButton b = (ToggleButton) findViewById(buttons[i]);
120                b.setChecked(false);
121            }
122        }
123        mSelectedButton = v;
124
125        float[] hsv = (float[]) v.getTag();
126
127        ColorHueView csv = (ColorHueView) findViewById(R.id.ColorHueView);
128        ColorSVRectView cwv = (ColorSVRectView) findViewById(R.id.colorRectView);
129        ColorOpacityView cvv = (ColorOpacityView) findViewById(R.id.colorOpacityView);
130        cwv.setColor(hsv);
131        cvv.setColor(hsv);
132        csv.setColor(hsv);
133    }
134
135    public void setOrigColor(float[] hsvo) {
136        mColorCompareView.setOrigColor(hsvo);
137    }
138
139    public void setColor(float[] hsvo) {
140        mColorOpacityView.setColor(hsvo);
141        mColorHueView.setColor(hsvo);
142        mColorSVRectView.setColor(hsvo);
143        mColorCompareView.setColor(hsvo);
144    }
145
146    private void setButtonColor(ToggleButton button, float[] hsv) {
147        if (button == null) {
148            return;
149        }
150        int color = Color.HSVToColor(hsv);
151        button.setBackgroundColor(color);
152        float[] fg = new float[] {
153                (hsv[0] + 180) % 360,
154                hsv[1],
155                        (hsv[2] > .5f) ? .1f : .9f
156        };
157        button.setTextColor(Color.HSVToColor(fg));
158        button.setTag(hsv);
159    }
160
161}
162