Editor.java revision 5aa08941bda0cfbcfba522c53937dd66867f890d 
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.LayoutInflater;
21import android.view.View;
22import android.view.ViewGroup;
23import android.widget.FrameLayout;
24import android.widget.LinearLayout;
25
26import com.android.gallery3d.filtershow.PanelController;
27import com.android.gallery3d.filtershow.cache.ImageLoader;
28import com.android.gallery3d.filtershow.imageshow.ImageShow;
29
30/**
31 * Base class for Editors Must contain a mImageShow and a top level view
32 */
33public class Editor {
34    protected Context mContext;
35    protected View mView;
36    protected ImageShow mImageShow;
37    protected FrameLayout mFrameLayout;
38    protected PanelController mPanelController;
39    protected int mID;
40    private final String LOGTAG = "Editor";
41
42    public void setPanelController(PanelController panelController) {
43        this.mPanelController = panelController;
44    }
45
46    protected Editor(int id) {
47        mID = id;
48    }
49    public int getID() {
50        return mID;
51    }
52
53    public void createEditor(Context context,FrameLayout frameLayout) {
54        mContext = context;
55        mFrameLayout = frameLayout;
56    }
57
58    protected void unpack(int viewid, int layoutid) {
59
60        if (mView == null) {
61            mView = mFrameLayout.findViewById(viewid);
62            if (mView == null) {
63                LayoutInflater inflater = (LayoutInflater) mContext.getSystemService
64                        (Context.LAYOUT_INFLATER_SERVICE);
65                mView = inflater.inflate(layoutid, mFrameLayout, false);
66                mFrameLayout.addView(mView, mView.getLayoutParams());
67            }
68        }
69        mImageShow = findImageShow(mView);
70    }
71
72    private ImageShow findImageShow(View view) {
73        if (view instanceof ImageShow) {
74            return (ImageShow) view;
75        }
76        if (!(view instanceof ViewGroup)) {
77            return null;
78        }
79        ViewGroup vg = (ViewGroup) view;
80        int n = vg.getChildCount();
81        for (int i = 0; i < n; i++) {
82            View v = vg.getChildAt(i);
83            if (v instanceof ImageShow) {
84                return (ImageShow) v;
85            } else if (v instanceof ViewGroup) {
86                return findImageShow(v);
87            }
88        }
89        return null;
90    }
91
92    public View getTopLevelView() {
93        return mView;
94    }
95
96    public ImageShow getImageShow() {
97        return mImageShow;
98    }
99
100    public void setImageLoader(ImageLoader imageLoader) {
101        mImageShow.setImageLoader(imageLoader);
102    }
103
104    public void setVisibility(int visible) {
105        mView.setVisibility(visible);
106    }
107
108    /**
109     * called after the filter is set and the select is called
110     */
111    public void reflectCurrentFilter() {
112    }
113
114    public boolean useUtilityPanel() {
115        if (mImageShow != null) {
116            return mImageShow.useUtilityPanel();
117        }
118        return false;
119    }
120
121    public void openUtilityPanel(LinearLayout mAccessoryViewList) {
122        if (mImageShow != null) {
123            mImageShow.openUtilityPanel(mAccessoryViewList);
124        }
125    }
126
127}
128