Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 1 | package com.android.systemui.qs; |
| 2 | |
| 3 | import android.content.Context; |
| 4 | import android.util.AttributeSet; |
| 5 | import android.util.Log; |
| 6 | import android.view.LayoutInflater; |
| 7 | import android.view.View; |
| 8 | import android.view.ViewGroup; |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 9 | import com.android.internal.widget.PagerAdapter; |
| 10 | import com.android.internal.widget.ViewPager; |
| 11 | import com.android.systemui.R; |
| 12 | import com.android.systemui.qs.QSPanel.QSTileLayout; |
| 13 | import com.android.systemui.qs.QSPanel.TileRecord; |
| 14 | |
| 15 | import java.util.ArrayList; |
| 16 | |
| 17 | public class PagedTileLayout extends ViewPager implements QSTileLayout { |
| 18 | |
| 19 | private static final boolean DEBUG = false; |
| 20 | |
| 21 | private static final String TAG = "PagedTileLayout"; |
| 22 | |
| 23 | private final ArrayList<TileRecord> mTiles = new ArrayList<TileRecord>(); |
| 24 | private final ArrayList<TilePage> mPages = new ArrayList<TilePage>(); |
| 25 | |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 26 | private PageIndicator mPageIndicator; |
| 27 | |
| 28 | private int mNumPages; |
Jason Monk | 2142843 | 2016-02-10 16:42:38 -0500 | [diff] [blame] | 29 | private View mDecorGroup; |
Jason Monk | 162011e | 2016-02-19 08:11:55 -0500 | [diff] [blame] | 30 | private PageListener mPageListener; |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 31 | |
| 32 | public PagedTileLayout(Context context, AttributeSet attrs) { |
| 33 | super(context, attrs); |
| 34 | setAdapter(mAdapter); |
| 35 | setOnPageChangeListener(new OnPageChangeListener() { |
| 36 | @Override |
| 37 | public void onPageSelected(int position) { |
| 38 | if (mPageIndicator == null) return; |
| 39 | mPageIndicator.setLocation(position); |
Jason Monk | 162011e | 2016-02-19 08:11:55 -0500 | [diff] [blame] | 40 | if (mPageListener != null) { |
Jason Monk | 66eaf31 | 2016-02-25 12:29:29 -0500 | [diff] [blame] | 41 | mPageListener.onPageChanged(position == 0); |
Jason Monk | 162011e | 2016-02-19 08:11:55 -0500 | [diff] [blame] | 42 | } |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 43 | } |
| 44 | |
| 45 | @Override |
Jason Monk | 162011e | 2016-02-19 08:11:55 -0500 | [diff] [blame] | 46 | public void onPageScrolled(int position, float positionOffset, |
| 47 | int positionOffsetPixels) { |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 48 | if (mPageIndicator == null) return; |
| 49 | mPageIndicator.setLocation(position + positionOffset); |
Jason Monk | 66eaf31 | 2016-02-25 12:29:29 -0500 | [diff] [blame] | 50 | if (mPageListener != null) { |
| 51 | mPageListener.onPageChanged(position == 0 && positionOffsetPixels == 0); |
| 52 | } |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 53 | } |
| 54 | |
| 55 | @Override |
| 56 | public void onPageScrollStateChanged(int state) { |
| 57 | } |
| 58 | }); |
| 59 | setCurrentItem(0); |
| 60 | } |
| 61 | |
| 62 | @Override |
Jason Monk | c5bdafb | 2016-02-25 16:24:21 -0500 | [diff] [blame] | 63 | public boolean hasOverlappingRendering() { |
| 64 | return false; |
| 65 | } |
| 66 | |
| 67 | @Override |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 68 | protected void onFinishInflate() { |
| 69 | super.onFinishInflate(); |
| 70 | mPageIndicator = (PageIndicator) findViewById(R.id.page_indicator); |
Jason Monk | 2142843 | 2016-02-10 16:42:38 -0500 | [diff] [blame] | 71 | mDecorGroup = findViewById(R.id.page_decor); |
| 72 | ((LayoutParams) mDecorGroup.getLayoutParams()).isDecor = true; |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 73 | |
Jason Monk | e4e6930 | 2016-01-20 11:27:15 -0500 | [diff] [blame] | 74 | mPages.add((TilePage) LayoutInflater.from(mContext) |
| 75 | .inflate(R.layout.qs_paged_page, this, false)); |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 76 | } |
| 77 | |
| 78 | @Override |
| 79 | public int getOffsetTop(TileRecord tile) { |
Jason Monk | ae5bd03 | 2016-03-02 14:38:31 -0500 | [diff] [blame^] | 80 | final ViewGroup parent = (ViewGroup) tile.tileView.getParent(); |
| 81 | if (parent == null) return 0; |
| 82 | return parent.getTop() + getTop(); |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 83 | } |
| 84 | |
| 85 | @Override |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 86 | public void addTile(TileRecord tile) { |
| 87 | mTiles.add(tile); |
Jason Monk | 9d02a43 | 2016-01-20 16:33:46 -0500 | [diff] [blame] | 88 | postDistributeTiles(); |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 89 | } |
| 90 | |
| 91 | @Override |
| 92 | public void removeTile(TileRecord tile) { |
| 93 | if (mTiles.remove(tile)) { |
Jason Monk | 9d02a43 | 2016-01-20 16:33:46 -0500 | [diff] [blame] | 94 | postDistributeTiles(); |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 95 | } |
| 96 | } |
| 97 | |
Jason Monk | 162011e | 2016-02-19 08:11:55 -0500 | [diff] [blame] | 98 | public void setPageListener(PageListener listener) { |
| 99 | mPageListener = listener; |
| 100 | } |
| 101 | |
Jason Monk | 9d02a43 | 2016-01-20 16:33:46 -0500 | [diff] [blame] | 102 | private void postDistributeTiles() { |
| 103 | removeCallbacks(mDistribute); |
| 104 | post(mDistribute); |
| 105 | } |
| 106 | |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 107 | private void distributeTiles() { |
| 108 | if (DEBUG) Log.d(TAG, "Distributing tiles"); |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 109 | final int NP = mPages.size(); |
| 110 | for (int i = 0; i < NP; i++) { |
Jason Monk | 9d02a43 | 2016-01-20 16:33:46 -0500 | [diff] [blame] | 111 | mPages.get(i).removeAllViews(); |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 112 | } |
| 113 | int index = 0; |
| 114 | final int NT = mTiles.size(); |
| 115 | for (int i = 0; i < NT; i++) { |
| 116 | TileRecord tile = mTiles.get(i); |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 117 | if (mPages.get(index).isFull()) { |
| 118 | if (++index == mPages.size()) { |
| 119 | if (DEBUG) Log.d(TAG, "Adding page for " + tile.tile.getClass().getSimpleName()); |
| 120 | mPages.add((TilePage) LayoutInflater.from(mContext) |
| 121 | .inflate(R.layout.qs_paged_page, this, false)); |
| 122 | } |
| 123 | } |
| 124 | if (DEBUG) Log.d(TAG, "Adding " + tile.tile.getClass().getSimpleName() + " to " |
| 125 | + index); |
| 126 | mPages.get(index).addTile(tile); |
| 127 | } |
| 128 | if (mNumPages != index + 1) { |
| 129 | mNumPages = index + 1; |
| 130 | mPageIndicator.setNumPages(mNumPages); |
| 131 | mAdapter.notifyDataSetChanged(); |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | @Override |
Jason Monk | 9d02a43 | 2016-01-20 16:33:46 -0500 | [diff] [blame] | 136 | public boolean updateResources() { |
| 137 | boolean changed = false; |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 138 | for (int i = 0; i < mPages.size(); i++) { |
Jason Monk | 9d02a43 | 2016-01-20 16:33:46 -0500 | [diff] [blame] | 139 | changed |= mPages.get(i).updateResources(); |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 140 | } |
Jason Monk | 9d02a43 | 2016-01-20 16:33:46 -0500 | [diff] [blame] | 141 | if (changed) { |
| 142 | distributeTiles(); |
| 143 | } |
| 144 | return changed; |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 145 | } |
| 146 | |
| 147 | @Override |
| 148 | protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| 149 | super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| 150 | // The ViewPager likes to eat all of the space, instead force it to wrap to the max height |
| 151 | // of the pages. |
| 152 | int maxHeight = 0; |
| 153 | final int N = getChildCount(); |
| 154 | for (int i = 0; i < N; i++) { |
| 155 | int height = getChildAt(i).getMeasuredHeight(); |
| 156 | if (height > maxHeight) { |
| 157 | maxHeight = height; |
| 158 | } |
| 159 | } |
Jason Monk | 2142843 | 2016-02-10 16:42:38 -0500 | [diff] [blame] | 160 | setMeasuredDimension(getMeasuredWidth(), maxHeight + mDecorGroup.getMeasuredHeight()); |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 161 | } |
| 162 | |
Jason Monk | 9d02a43 | 2016-01-20 16:33:46 -0500 | [diff] [blame] | 163 | private final Runnable mDistribute = new Runnable() { |
| 164 | @Override |
| 165 | public void run() { |
| 166 | distributeTiles(); |
| 167 | } |
| 168 | }; |
| 169 | |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 170 | public static class TilePage extends TileLayout { |
Jason Monk | 94a1bf6 | 2015-10-20 08:43:36 -0700 | [diff] [blame] | 171 | private int mMaxRows = 3; |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 172 | |
| 173 | public TilePage(Context context, AttributeSet attrs) { |
| 174 | super(context, attrs); |
Jason Monk | b9c0019 | 2015-10-07 11:45:33 -0400 | [diff] [blame] | 175 | updateResources(); |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 176 | } |
| 177 | |
Jason Monk | 9d02a43 | 2016-01-20 16:33:46 -0500 | [diff] [blame] | 178 | @Override |
| 179 | public boolean updateResources() { |
| 180 | if (super.updateResources()) { |
| 181 | mMaxRows = mColumns != 3 ? 2 : 3; |
| 182 | return true; |
| 183 | } |
| 184 | return false; |
| 185 | } |
| 186 | |
Jason Monk | bd6dbb0 | 2015-09-03 15:46:25 -0400 | [diff] [blame] | 187 | public void setMaxRows(int maxRows) { |
| 188 | mMaxRows = maxRows; |
| 189 | } |
| 190 | |
Jason Monk | bd6dbb0 | 2015-09-03 15:46:25 -0400 | [diff] [blame] | 191 | public boolean isFull() { |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 192 | return mRecords.size() >= mColumns * mMaxRows; |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | private final PagerAdapter mAdapter = new PagerAdapter() { |
| 197 | public void destroyItem(ViewGroup container, int position, Object object) { |
| 198 | if (DEBUG) Log.d(TAG, "Destantiating " + position); |
| 199 | // TODO: Find way to clean up the extra pages. |
| 200 | container.removeView((View) object); |
| 201 | } |
| 202 | |
| 203 | public Object instantiateItem(ViewGroup container, int position) { |
| 204 | if (DEBUG) Log.d(TAG, "Instantiating " + position); |
Jason Monk | e4e6930 | 2016-01-20 11:27:15 -0500 | [diff] [blame] | 205 | ViewGroup view = mPages.get(position); |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 206 | container.addView(view); |
| 207 | return view; |
| 208 | } |
| 209 | |
| 210 | @Override |
| 211 | public int getCount() { |
| 212 | return mNumPages; |
| 213 | } |
| 214 | |
| 215 | @Override |
| 216 | public boolean isViewFromObject(View view, Object object) { |
| 217 | return view == object; |
| 218 | } |
| 219 | }; |
Jason Monk | 162011e | 2016-02-19 08:11:55 -0500 | [diff] [blame] | 220 | |
| 221 | public interface PageListener { |
Jason Monk | 66eaf31 | 2016-02-25 12:29:29 -0500 | [diff] [blame] | 222 | void onPageChanged(boolean isFirst); |
Jason Monk | 162011e | 2016-02-19 08:11:55 -0500 | [diff] [blame] | 223 | } |
Jason Monk | caf3762 | 2015-08-18 12:33:50 -0400 | [diff] [blame] | 224 | } |