Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 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 | |
| 17 | package com.android.gallery3d.ui; |
| 18 | |
| 19 | import com.android.gallery3d.app.GalleryActivity; |
| 20 | import com.android.gallery3d.data.MediaItem; |
Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 21 | |
Owen Lin | 83a036c | 2012-03-22 14:14:40 +0800 | [diff] [blame] | 22 | public class AlbumView implements SlotView.SlotRenderer { |
Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 23 | @SuppressWarnings("unused") |
| 24 | private static final String TAG = "AlbumView"; |
| 25 | private static final int CACHE_SIZE = 64; |
| 26 | |
Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 27 | private AlbumSlidingWindow mDataWindow; |
| 28 | private final GalleryActivity mActivity; |
| 29 | private SelectionDrawer mSelectionDrawer; |
Chih-Chung Chang | 07069de | 2011-09-14 20:50:28 +0800 | [diff] [blame] | 30 | private int mCacheThumbSize; |
Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 31 | |
Owen Lin | 83a036c | 2012-03-22 14:14:40 +0800 | [diff] [blame] | 32 | private final SlotView mSlotView; |
Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 33 | |
| 34 | public static interface Model { |
| 35 | public int size(); |
| 36 | public MediaItem get(int index); |
| 37 | public void setActiveWindow(int start, int end); |
| 38 | public void setModelListener(ModelListener listener); |
| 39 | } |
| 40 | |
| 41 | public static interface ModelListener { |
| 42 | public void onWindowContentChanged(int index); |
| 43 | public void onSizeChanged(int size); |
| 44 | } |
| 45 | |
Owen Lin | 83a036c | 2012-03-22 14:14:40 +0800 | [diff] [blame] | 46 | public AlbumView(GalleryActivity activity, SlotView slotView, |
Chih-Chung Chang | 07069de | 2011-09-14 20:50:28 +0800 | [diff] [blame] | 47 | int cacheThumbSize) { |
Chih-Chung Chang | 07069de | 2011-09-14 20:50:28 +0800 | [diff] [blame] | 48 | mCacheThumbSize = cacheThumbSize; |
Owen Lin | 83a036c | 2012-03-22 14:14:40 +0800 | [diff] [blame] | 49 | mSlotView = slotView; |
Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 50 | mActivity = activity; |
| 51 | } |
| 52 | |
| 53 | public void setSelectionDrawer(SelectionDrawer drawer) { |
| 54 | mSelectionDrawer = drawer; |
| 55 | if (mDataWindow != null) mDataWindow.setSelectionDrawer(drawer); |
| 56 | } |
| 57 | |
| 58 | public void setModel(Model model) { |
| 59 | if (mDataWindow != null) { |
| 60 | mDataWindow.setListener(null); |
Owen Lin | 83a036c | 2012-03-22 14:14:40 +0800 | [diff] [blame] | 61 | mSlotView.setSlotCount(0); |
Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 62 | mDataWindow = null; |
| 63 | } |
| 64 | if (model != null) { |
| 65 | mDataWindow = new AlbumSlidingWindow( |
| 66 | mActivity, model, CACHE_SIZE, |
Chih-Chung Chang | 07069de | 2011-09-14 20:50:28 +0800 | [diff] [blame] | 67 | mCacheThumbSize); |
Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 68 | mDataWindow.setSelectionDrawer(mSelectionDrawer); |
| 69 | mDataWindow.setListener(new MyDataModelListener()); |
Owen Lin | 83a036c | 2012-03-22 14:14:40 +0800 | [diff] [blame] | 70 | mSlotView.setSlotCount(model.size()); |
Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 71 | } |
| 72 | } |
| 73 | |
| 74 | public void setFocusIndex(int slotIndex) { |
| 75 | if (mDataWindow != null) { |
| 76 | mDataWindow.setFocusIndex(slotIndex); |
| 77 | } |
| 78 | } |
| 79 | |
Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 80 | @Override |
Owen Lin | 83a036c | 2012-03-22 14:14:40 +0800 | [diff] [blame] | 81 | public int renderSlot(GLCanvas canvas, int index, int pass, int width, int height) { |
| 82 | DisplayItem item = mDataWindow.get(index); |
| 83 | if (item != null) { |
| 84 | canvas.translate(width / 2, height / 2); |
| 85 | item.setBox(width, height); |
| 86 | int r = item.render(canvas, pass); |
| 87 | canvas.translate(-width / 2, -height / 2); |
| 88 | return r; |
| 89 | } |
| 90 | return 0; |
Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 91 | } |
| 92 | |
| 93 | private class MyDataModelListener implements AlbumSlidingWindow.Listener { |
Owen Lin | 83a036c | 2012-03-22 14:14:40 +0800 | [diff] [blame] | 94 | @Override |
| 95 | public void onContentChanged() { |
| 96 | mSlotView.invalidate(); |
Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 97 | } |
| 98 | |
Owen Lin | 83a036c | 2012-03-22 14:14:40 +0800 | [diff] [blame] | 99 | @Override |
Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 100 | public void onSizeChanged(int size) { |
Owen Lin | 83a036c | 2012-03-22 14:14:40 +0800 | [diff] [blame] | 101 | mSlotView.setSlotCount(size); |
Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 102 | } |
| 103 | } |
| 104 | |
| 105 | public void resume() { |
Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 106 | mDataWindow.resume(); |
Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 107 | } |
| 108 | |
| 109 | public void pause() { |
Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 110 | mDataWindow.pause(); |
| 111 | } |
Owen Lin | 83a036c | 2012-03-22 14:14:40 +0800 | [diff] [blame] | 112 | |
| 113 | @Override |
| 114 | public void prepareDrawing() { |
| 115 | mSelectionDrawer.prepareDrawing(); |
| 116 | } |
| 117 | |
| 118 | @Override |
| 119 | public void onVisibleRangeChanged(int visibleStart, int visibleEnd) { |
| 120 | if (mDataWindow != null) { |
| 121 | mDataWindow.setActiveWindow(visibleStart, visibleEnd); |
| 122 | } |
| 123 | } |
Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 124 | } |