Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 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.documentsui; |
| 18 | |
Steve McKay | fefcd70 | 2015-08-20 16:19:38 +0000 | [diff] [blame] | 19 | import static com.android.documentsui.Shared.TAG; |
Ben Lin | a0c7c74 | 2016-04-13 16:33:20 -0700 | [diff] [blame] | 20 | import static com.android.documentsui.State.ACTION_CREATE; |
Jeff Sharkey | 744dbbd | 2013-08-07 18:33:33 -0700 | [diff] [blame] | 21 | |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 22 | import android.app.Fragment; |
| 23 | import android.app.FragmentManager; |
| 24 | import android.app.FragmentTransaction; |
| 25 | import android.app.LoaderManager.LoaderCallbacks; |
| 26 | import android.content.ContentResolver; |
| 27 | import android.content.Context; |
| 28 | import android.content.Loader; |
| 29 | import android.database.Cursor; |
Jeff Sharkey | aed873d | 2013-09-09 16:51:06 -0700 | [diff] [blame] | 30 | import android.graphics.drawable.Drawable; |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 31 | import android.net.Uri; |
| 32 | import android.os.Bundle; |
| 33 | import android.os.CancellationSignal; |
Steve McKay | fad3d4a | 2015-09-22 15:09:21 -0700 | [diff] [blame] | 34 | import android.support.annotation.Nullable; |
| 35 | import android.support.v7.widget.LinearLayoutManager; |
| 36 | import android.support.v7.widget.RecyclerView; |
Jeff Sharkey | aed873d | 2013-09-09 16:51:06 -0700 | [diff] [blame] | 37 | import android.text.Spannable; |
| 38 | import android.text.SpannableStringBuilder; |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 39 | import android.text.TextUtils.TruncateAt; |
Jeff Sharkey | aed873d | 2013-09-09 16:51:06 -0700 | [diff] [blame] | 40 | import android.text.style.ImageSpan; |
Jeff Sharkey | 744dbbd | 2013-08-07 18:33:33 -0700 | [diff] [blame] | 41 | import android.util.Log; |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 42 | import android.view.LayoutInflater; |
Steve McKay | fad3d4a | 2015-09-22 15:09:21 -0700 | [diff] [blame] | 43 | import android.view.MotionEvent; |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 44 | import android.view.View; |
| 45 | import android.view.ViewGroup; |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 46 | import android.widget.ImageView; |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 47 | import android.widget.TextView; |
| 48 | |
Jeff Sharkey | a4d1f22 | 2013-09-07 14:45:03 -0700 | [diff] [blame] | 49 | import com.android.documentsui.RecentsProvider.RecentColumns; |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 50 | import com.android.documentsui.model.DocumentStack; |
Jeff Sharkey | 0829343 | 2013-09-25 14:39:14 -0700 | [diff] [blame] | 51 | import com.android.documentsui.model.DurableUtils; |
Jeff Sharkey | 38ec252 | 2013-09-24 12:07:12 -0700 | [diff] [blame] | 52 | import com.android.documentsui.model.RootInfo; |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 53 | |
| 54 | import libcore.io.IoUtils; |
| 55 | |
Jeff Sharkey | b362044 | 2013-09-01 18:41:04 -0700 | [diff] [blame] | 56 | import java.io.IOException; |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 57 | import java.util.ArrayList; |
Jeff Sharkey | 38ec252 | 2013-09-24 12:07:12 -0700 | [diff] [blame] | 58 | import java.util.Collection; |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 59 | import java.util.List; |
| 60 | |
| 61 | /** |
| 62 | * Display directories where recent creates took place. |
| 63 | */ |
| 64 | public class RecentsCreateFragment extends Fragment { |
| 65 | |
Jeff Sharkey | 9dd0262 | 2013-09-27 16:44:11 -0700 | [diff] [blame] | 66 | private View mEmptyView; |
Steve McKay | fad3d4a | 2015-09-22 15:09:21 -0700 | [diff] [blame] | 67 | private RecyclerView mRecView; |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 68 | private DocumentStackAdapter mAdapter; |
| 69 | private LoaderCallbacks<List<DocumentStack>> mCallbacks; |
| 70 | |
| 71 | private static final int LOADER_RECENTS = 3; |
| 72 | |
| 73 | public static void show(FragmentManager fm) { |
| 74 | final RecentsCreateFragment fragment = new RecentsCreateFragment(); |
| 75 | final FragmentTransaction ft = fm.beginTransaction(); |
| 76 | ft.replace(R.id.container_directory, fragment); |
| 77 | ft.commitAllowingStateLoss(); |
| 78 | } |
| 79 | |
| 80 | @Override |
| 81 | public View onCreateView( |
| 82 | LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { |
| 83 | final Context context = inflater.getContext(); |
| 84 | |
| 85 | final View view = inflater.inflate(R.layout.fragment_directory, container, false); |
| 86 | |
Ben Kwa | 74e5d41 | 2016-02-10 07:46:35 -0800 | [diff] [blame] | 87 | mRecView = (RecyclerView) view.findViewById(R.id.dir_list); |
Steve McKay | fad3d4a | 2015-09-22 15:09:21 -0700 | [diff] [blame] | 88 | mRecView.setLayoutManager(new LinearLayoutManager(getContext())); |
| 89 | mRecView.addOnItemTouchListener(mItemListener); |
| 90 | |
Jeff Sharkey | 9dd0262 | 2013-09-27 16:44:11 -0700 | [diff] [blame] | 91 | mEmptyView = view.findViewById(android.R.id.empty); |
| 92 | |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 93 | mAdapter = new DocumentStackAdapter(); |
Steve McKay | fad3d4a | 2015-09-22 15:09:21 -0700 | [diff] [blame] | 94 | mRecView.setAdapter(mAdapter); |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 95 | |
Jeff Sharkey | 38ec252 | 2013-09-24 12:07:12 -0700 | [diff] [blame] | 96 | final RootsCache roots = DocumentsApplication.getRootsCache(context); |
Steve McKay | d0a2a2c | 2015-03-25 14:35:33 -0700 | [diff] [blame] | 97 | final State state = ((BaseActivity) getActivity()).getDisplayState(); |
Jeff Sharkey | 38ec252 | 2013-09-24 12:07:12 -0700 | [diff] [blame] | 98 | |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 99 | mCallbacks = new LoaderCallbacks<List<DocumentStack>>() { |
| 100 | @Override |
| 101 | public Loader<List<DocumentStack>> onCreateLoader(int id, Bundle args) { |
Jeff Sharkey | 38ec252 | 2013-09-24 12:07:12 -0700 | [diff] [blame] | 102 | return new RecentsCreateLoader(context, roots, state); |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 103 | } |
| 104 | |
| 105 | @Override |
| 106 | public void onLoadFinished( |
| 107 | Loader<List<DocumentStack>> loader, List<DocumentStack> data) { |
Steve McKay | fad3d4a | 2015-09-22 15:09:21 -0700 | [diff] [blame] | 108 | mAdapter.update(data); |
Jeff Sharkey | 25f10b3 | 2013-10-07 14:08:17 -0700 | [diff] [blame] | 109 | |
| 110 | // When launched into empty recents, show drawer |
Ben Lin | a0c7c74 | 2016-04-13 16:33:20 -0700 | [diff] [blame] | 111 | if (mAdapter.isEmpty() && !state.hasLocationChanged() |
| 112 | && state.action != ACTION_CREATE |
| 113 | && context instanceof DocumentsActivity) { |
Steve McKay | b68dd22 | 2015-04-20 17:18:15 -0700 | [diff] [blame] | 114 | ((DocumentsActivity) context).setRootsDrawerOpen(true); |
Jeff Sharkey | 25f10b3 | 2013-10-07 14:08:17 -0700 | [diff] [blame] | 115 | } |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 116 | } |
| 117 | |
| 118 | @Override |
| 119 | public void onLoaderReset(Loader<List<DocumentStack>> loader) { |
Steve McKay | fad3d4a | 2015-09-22 15:09:21 -0700 | [diff] [blame] | 120 | mAdapter.update(null); |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 121 | } |
| 122 | }; |
| 123 | |
| 124 | return view; |
| 125 | } |
| 126 | |
| 127 | @Override |
| 128 | public void onStart() { |
| 129 | super.onStart(); |
| 130 | getLoaderManager().restartLoader(LOADER_RECENTS, getArguments(), mCallbacks); |
| 131 | } |
| 132 | |
| 133 | @Override |
| 134 | public void onStop() { |
| 135 | super.onStop(); |
| 136 | getLoaderManager().destroyLoader(LOADER_RECENTS); |
| 137 | } |
| 138 | |
Steve McKay | fad3d4a | 2015-09-22 15:09:21 -0700 | [diff] [blame] | 139 | private RecyclerView.OnItemTouchListener mItemListener = |
| 140 | new RecyclerView.OnItemTouchListener() { |
| 141 | @Override |
| 142 | public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent e) { |
| 143 | Events.MotionInputEvent event = new Events.MotionInputEvent(e, mRecView); |
| 144 | if (event.isOverItem() && event.isActionUp()) { |
| 145 | final DocumentStack stack = mAdapter.getItem(event.getItemPosition()); |
| 146 | ((BaseActivity) getActivity()).onStackPicked(stack); |
| 147 | return true; |
| 148 | } |
| 149 | return false; |
| 150 | } |
| 151 | |
| 152 | @Override |
| 153 | public void onTouchEvent(RecyclerView rv, MotionEvent e) {} |
| 154 | @Override |
| 155 | public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) {} |
| 156 | }; |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 157 | |
Jeff Sharkey | 46899c8 | 2013-08-18 22:26:48 -0700 | [diff] [blame] | 158 | public static class RecentsCreateLoader extends UriDerivativeLoader<Uri, List<DocumentStack>> { |
Jeff Sharkey | 38ec252 | 2013-09-24 12:07:12 -0700 | [diff] [blame] | 159 | private final RootsCache mRoots; |
| 160 | private final State mState; |
| 161 | |
| 162 | public RecentsCreateLoader(Context context, RootsCache roots, State state) { |
Jeff Sharkey | a4d1f22 | 2013-09-07 14:45:03 -0700 | [diff] [blame] | 163 | super(context, RecentsProvider.buildRecent()); |
Jeff Sharkey | 38ec252 | 2013-09-24 12:07:12 -0700 | [diff] [blame] | 164 | mRoots = roots; |
| 165 | mState = state; |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 166 | } |
| 167 | |
| 168 | @Override |
| 169 | public List<DocumentStack> loadInBackground(Uri uri, CancellationSignal signal) { |
Jeff Sharkey | 38ec252 | 2013-09-24 12:07:12 -0700 | [diff] [blame] | 170 | final Collection<RootInfo> matchingRoots = mRoots.getMatchingRootsBlocking(mState); |
Steve McKay | fefcd70 | 2015-08-20 16:19:38 +0000 | [diff] [blame] | 171 | final ArrayList<DocumentStack> result = new ArrayList<>(); |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 172 | |
| 173 | final ContentResolver resolver = getContext().getContentResolver(); |
| 174 | final Cursor cursor = resolver.query( |
Jeff Sharkey | a4d1f22 | 2013-09-07 14:45:03 -0700 | [diff] [blame] | 175 | uri, null, null, null, RecentColumns.TIMESTAMP + " DESC", signal); |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 176 | try { |
| 177 | while (cursor != null && cursor.moveToNext()) { |
Jeff Sharkey | a4d1f22 | 2013-09-07 14:45:03 -0700 | [diff] [blame] | 178 | final byte[] rawStack = cursor.getBlob( |
| 179 | cursor.getColumnIndex(RecentColumns.STACK)); |
Jeff Sharkey | 744dbbd | 2013-08-07 18:33:33 -0700 | [diff] [blame] | 180 | try { |
Jeff Sharkey | b362044 | 2013-09-01 18:41:04 -0700 | [diff] [blame] | 181 | final DocumentStack stack = new DocumentStack(); |
Jeff Sharkey | 0829343 | 2013-09-25 14:39:14 -0700 | [diff] [blame] | 182 | DurableUtils.readFromArray(rawStack, stack); |
Jeff Sharkey | 38ec252 | 2013-09-24 12:07:12 -0700 | [diff] [blame] | 183 | |
| 184 | // Only update root here to avoid spinning up all |
| 185 | // providers; we update the stack during the actual |
| 186 | // restore. This also filters away roots that don't |
| 187 | // match current filter. |
| 188 | stack.updateRoot(matchingRoots); |
Jeff Sharkey | 744dbbd | 2013-08-07 18:33:33 -0700 | [diff] [blame] | 189 | result.add(stack); |
Jeff Sharkey | b362044 | 2013-09-01 18:41:04 -0700 | [diff] [blame] | 190 | } catch (IOException e) { |
Jeff Sharkey | 744dbbd | 2013-08-07 18:33:33 -0700 | [diff] [blame] | 191 | Log.w(TAG, "Failed to resolve stack: " + e); |
| 192 | } |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 193 | } |
| 194 | } finally { |
| 195 | IoUtils.closeQuietly(cursor); |
| 196 | } |
| 197 | |
| 198 | return result; |
| 199 | } |
| 200 | } |
| 201 | |
Steve McKay | fad3d4a | 2015-09-22 15:09:21 -0700 | [diff] [blame] | 202 | private static final class StackHolder extends RecyclerView.ViewHolder { |
| 203 | public View view; |
| 204 | public StackHolder(View view) { |
| 205 | super(view); |
| 206 | this.view = view; |
| 207 | } |
| 208 | } |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 209 | |
Steve McKay | fad3d4a | 2015-09-22 15:09:21 -0700 | [diff] [blame] | 210 | private class DocumentStackAdapter extends RecyclerView.Adapter<StackHolder> { |
| 211 | @Nullable private List<DocumentStack> mItems; |
| 212 | |
| 213 | DocumentStack getItem(int position) { |
| 214 | return mItems.get(position); |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 215 | } |
| 216 | |
Steve McKay | fad3d4a | 2015-09-22 15:09:21 -0700 | [diff] [blame] | 217 | @Override |
| 218 | public int getItemCount() { |
| 219 | return mItems == null ? 0 : mItems.size(); |
| 220 | } |
| 221 | |
| 222 | boolean isEmpty() { |
| 223 | return mItems == null ? true : mItems.isEmpty(); |
| 224 | } |
| 225 | |
| 226 | void update(@Nullable List<DocumentStack> items) { |
| 227 | mItems = items; |
Jeff Sharkey | 9dd0262 | 2013-09-27 16:44:11 -0700 | [diff] [blame] | 228 | |
| 229 | if (isEmpty()) { |
| 230 | mEmptyView.setVisibility(View.VISIBLE); |
| 231 | } else { |
| 232 | mEmptyView.setVisibility(View.GONE); |
| 233 | } |
| 234 | |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 235 | notifyDataSetChanged(); |
| 236 | } |
| 237 | |
| 238 | @Override |
Steve McKay | fad3d4a | 2015-09-22 15:09:21 -0700 | [diff] [blame] | 239 | public StackHolder onCreateViewHolder(ViewGroup parent, int viewType) { |
| 240 | final Context context = parent.getContext(); |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 241 | |
Steve McKay | fad3d4a | 2015-09-22 15:09:21 -0700 | [diff] [blame] | 242 | final LayoutInflater inflater = LayoutInflater.from(context); |
| 243 | return new StackHolder( |
| 244 | (View) inflater.inflate(R.layout.item_doc_list, parent, false)); |
| 245 | } |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 246 | |
Steve McKay | fad3d4a | 2015-09-22 15:09:21 -0700 | [diff] [blame] | 247 | @Override |
| 248 | public void onBindViewHolder(StackHolder holder, int position) { |
| 249 | Context context = getContext(); |
| 250 | View view = holder.view; |
| 251 | |
| 252 | final ImageView iconMime = (ImageView) view.findViewById(R.id.icon_mime); |
| 253 | final TextView title = (TextView) view.findViewById(android.R.id.title); |
| 254 | final View line2 = view.findViewById(R.id.line2); |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 255 | |
| 256 | final DocumentStack stack = getItem(position); |
Jeff Sharkey | a35ac2d | 2013-09-10 12:04:26 -0700 | [diff] [blame] | 257 | iconMime.setImageDrawable(stack.root.loadIcon(context)); |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 258 | |
Alan Viverette | 6179144 | 2014-08-14 12:59:10 -0700 | [diff] [blame] | 259 | final Drawable crumb = context.getDrawable(R.drawable.ic_breadcrumb_arrow); |
Jeff Sharkey | aed873d | 2013-09-09 16:51:06 -0700 | [diff] [blame] | 260 | crumb.setBounds(0, 0, crumb.getIntrinsicWidth(), crumb.getIntrinsicHeight()); |
| 261 | |
| 262 | final SpannableStringBuilder builder = new SpannableStringBuilder(); |
| 263 | builder.append(stack.root.title); |
Jeff Sharkey | aed873d | 2013-09-09 16:51:06 -0700 | [diff] [blame] | 264 | for (int i = stack.size() - 2; i >= 0; i--) { |
Jeff Sharkey | 4045780 | 2013-09-21 13:57:33 -0700 | [diff] [blame] | 265 | appendDrawable(builder, crumb); |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 266 | builder.append(stack.get(i).displayName); |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 267 | } |
Jeff Sharkey | aed873d | 2013-09-09 16:51:06 -0700 | [diff] [blame] | 268 | title.setText(builder); |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 269 | title.setEllipsize(TruncateAt.MIDDLE); |
| 270 | |
Jeff Sharkey | 6a99ec8 | 2013-09-19 11:25:56 -0700 | [diff] [blame] | 271 | if (line2 != null) line2.setVisibility(View.GONE); |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 272 | } |
| 273 | } |
Jeff Sharkey | aed873d | 2013-09-09 16:51:06 -0700 | [diff] [blame] | 274 | |
| 275 | private static void appendDrawable(SpannableStringBuilder b, Drawable d) { |
| 276 | final int length = b.length(); |
| 277 | b.append("\u232a"); |
| 278 | b.setSpan(new ImageSpan(d), length, b.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); |
| 279 | } |
Jeff Sharkey | 2e694f8 | 2013-08-06 16:26:14 -0700 | [diff] [blame] | 280 | } |