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