ManageCacheDrawer.java revision da071d27a1435cce080b5c609d0d833555e5a175 
1/*
2 * Copyright (C) 2010 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.ui;
18
19import com.android.gallery3d.R;
20import com.android.gallery3d.common.Utils;
21import com.android.gallery3d.data.Path;
22
23import android.content.Context;
24
25public class ManageCacheDrawer extends IconDrawer {
26    private final ResourceTexture mCheckedItem;
27    private final ResourceTexture mUnCheckedItem;
28    private final SelectionManager mSelectionManager;
29
30    private final ResourceTexture mLocalAlbumIcon;
31    private final StringTexture mCachingText;
32
33    private final int mCachePinSize;
34    private final int mCachePinMargin;
35
36    public ManageCacheDrawer(Context context, SelectionManager selectionManager,
37            int cachePinSize, int cachePinMargin) {
38        super(context);
39        mCheckedItem = new ResourceTexture(context, R.drawable.btn_make_offline_normal_on_holo_dark);
40        mUnCheckedItem = new ResourceTexture(context, R.drawable.btn_make_offline_normal_off_holo_dark);
41        mLocalAlbumIcon = new ResourceTexture(context, R.drawable.btn_make_offline_disabled_on_holo_dark);
42        String cachingLabel = context.getString(R.string.caching_label);
43        mCachingText = StringTexture.newInstance(cachingLabel, 12, 0xffffffff);
44        mSelectionManager = selectionManager;
45        mCachePinSize = cachePinSize;
46        mCachePinMargin = cachePinMargin;
47    }
48
49    @Override
50    public void prepareDrawing() {
51    }
52
53    private static boolean isLocal(int dataSourceType) {
54        return dataSourceType != DATASOURCE_TYPE_PICASA;
55    }
56
57    @Override
58    public void draw(GLCanvas canvas, Texture content, int width,
59            int height, int rotation, Path path,
60            int dataSourceType, int mediaType, boolean isPanorama,
61            int labelBackgroundHeight, boolean wantCache, boolean isCaching) {
62
63        int x = -width / 2;
64        int y = -height / 2;
65
66        drawWithRotation(canvas, content, x, y, width, height, rotation);
67
68        if (((rotation / 90) & 0x01) == 1) {
69            int temp = width;
70            width = height;
71            height = temp;
72            x = -width / 2;
73            y = -height / 2;
74        }
75
76        drawMediaTypeOverlay(canvas, mediaType, isPanorama, x, y, width, height);
77        drawLabelBackground(canvas, width, height, labelBackgroundHeight);
78        drawIcon(canvas, width, height, dataSourceType);
79        drawCachingPin(canvas, path, dataSourceType, isCaching, wantCache,
80                width, height);
81
82        if (mSelectionManager.isPressedPath(path)) {
83            drawPressedFrame(canvas, x, y, width, height);
84        }
85    }
86
87    private void drawCachingPin(GLCanvas canvas, Path path, int dataSourceType,
88            boolean isCaching, boolean wantCache, int width, int height) {
89        boolean selected = mSelectionManager.isItemSelected(path);
90        boolean chooseToCache = wantCache ^ selected;
91
92        ResourceTexture icon = null;
93        if (isLocal(dataSourceType)) {
94            icon = mLocalAlbumIcon;
95        } else if (chooseToCache) {
96            icon = mCheckedItem;
97        } else {
98            icon = mUnCheckedItem;
99        }
100
101        int w = mCachePinSize;
102        int h = mCachePinSize;
103        int right = (width + 1) / 2;
104        int bottom = (height + 1) / 2;
105        int x = right - w - mCachePinMargin;
106        int y = bottom - h - mCachePinMargin;
107
108        icon.draw(canvas, x, y, w, h);
109
110        if (isCaching) {
111            int textWidth = mCachingText.getWidth();
112            int textHeight = mCachingText.getHeight();
113            // Align the center of the text to the center of the pin icon
114            x = right - mCachePinMargin - (textWidth + mCachePinSize) / 2;
115            y = bottom - textHeight;
116            mCachingText.draw(canvas, x, y);
117        }
118    }
119
120    @Override
121    public void drawFocus(GLCanvas canvas, int width, int height) {
122    }
123}
124