| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.documentsui; |
| |
| import static com.android.documentsui.DocumentsActivity.TAG; |
| import static com.android.documentsui.DocumentsActivity.State.ACTION_CREATE; |
| import static com.android.documentsui.DocumentsActivity.State.ACTION_MANAGE; |
| import static com.android.documentsui.DocumentsActivity.State.MODE_GRID; |
| import static com.android.documentsui.DocumentsActivity.State.MODE_LIST; |
| import static com.android.documentsui.DocumentsActivity.State.MODE_UNKNOWN; |
| import static com.android.documentsui.DocumentsActivity.State.SORT_ORDER_UNKNOWN; |
| import static com.android.documentsui.model.DocumentInfo.getCursorInt; |
| import static com.android.documentsui.model.DocumentInfo.getCursorLong; |
| import static com.android.documentsui.model.DocumentInfo.getCursorString; |
| |
| import android.app.ActivityManager; |
| import android.app.Fragment; |
| import android.app.FragmentManager; |
| import android.app.FragmentTransaction; |
| import android.app.LoaderManager.LoaderCallbacks; |
| import android.content.ContentProviderClient; |
| import android.content.ContentResolver; |
| import android.content.ContentValues; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.Loader; |
| import android.database.Cursor; |
| import android.graphics.Bitmap; |
| import android.graphics.Point; |
| import android.graphics.drawable.Drawable; |
| import android.graphics.drawable.InsetDrawable; |
| import android.net.Uri; |
| import android.os.AsyncTask; |
| import android.os.Bundle; |
| import android.os.CancellationSignal; |
| import android.os.OperationCanceledException; |
| import android.os.Parcelable; |
| import android.provider.DocumentsContract; |
| import android.provider.DocumentsContract.Document; |
| import android.text.format.DateUtils; |
| import android.text.format.Formatter; |
| import android.text.format.Time; |
| import android.util.Log; |
| import android.util.SparseArray; |
| import android.util.SparseBooleanArray; |
| import android.view.ActionMode; |
| import android.view.LayoutInflater; |
| import android.view.Menu; |
| import android.view.MenuItem; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.AbsListView; |
| import android.widget.AbsListView.MultiChoiceModeListener; |
| import android.widget.AbsListView.RecyclerListener; |
| import android.widget.AdapterView; |
| import android.widget.AdapterView.OnItemClickListener; |
| import android.widget.BaseAdapter; |
| import android.widget.FrameLayout; |
| import android.widget.GridView; |
| import android.widget.ImageView; |
| import android.widget.ListView; |
| import android.widget.TextView; |
| import android.widget.Toast; |
| |
| import com.android.documentsui.DocumentsActivity.State; |
| import com.android.documentsui.ProviderExecutor.Preemptable; |
| import com.android.documentsui.RecentsProvider.StateColumns; |
| import com.android.documentsui.model.DocumentInfo; |
| import com.android.documentsui.model.RootInfo; |
| import com.google.android.collect.Lists; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Display the documents inside a single directory. |
| */ |
| public class DirectoryFragment extends Fragment { |
| |
| private View mEmptyView; |
| private ListView mListView; |
| private GridView mGridView; |
| |
| private AbsListView mCurrentView; |
| |
| public static final int TYPE_NORMAL = 1; |
| public static final int TYPE_SEARCH = 2; |
| public static final int TYPE_RECENT_OPEN = 3; |
| |
| public static final int ANIM_NONE = 1; |
| public static final int ANIM_SIDE = 2; |
| public static final int ANIM_DOWN = 3; |
| public static final int ANIM_UP = 4; |
| |
| private int mType = TYPE_NORMAL; |
| private String mStateKey; |
| |
| private int mLastMode = MODE_UNKNOWN; |
| private int mLastSortOrder = SORT_ORDER_UNKNOWN; |
| private boolean mLastShowSize = false; |
| |
| private boolean mHideGridTitles = false; |
| |
| private boolean mSvelteRecents; |
| private Point mThumbSize; |
| |
| private DocumentsAdapter mAdapter; |
| private LoaderCallbacks<DirectoryResult> mCallbacks; |
| |
| private static final String EXTRA_TYPE = "type"; |
| private static final String EXTRA_ROOT = "root"; |
| private static final String EXTRA_DOC = "doc"; |
| private static final String EXTRA_QUERY = "query"; |
| private static final String EXTRA_IGNORE_STATE = "ignoreState"; |
| |
| private final int mLoaderId = 42; |
| |
| public static void showNormal(FragmentManager fm, RootInfo root, DocumentInfo doc, int anim) { |
| show(fm, TYPE_NORMAL, root, doc, null, anim); |
| } |
| |
| public static void showSearch(FragmentManager fm, RootInfo root, String query, int anim) { |
| show(fm, TYPE_SEARCH, root, null, query, anim); |
| } |
| |
| public static void showRecentsOpen(FragmentManager fm, int anim) { |
| show(fm, TYPE_RECENT_OPEN, null, null, null, anim); |
| } |
| |
| private static void show(FragmentManager fm, int type, RootInfo root, DocumentInfo doc, |
| String query, int anim) { |
| final Bundle args = new Bundle(); |
| args.putInt(EXTRA_TYPE, type); |
| args.putParcelable(EXTRA_ROOT, root); |
| args.putParcelable(EXTRA_DOC, doc); |
| args.putString(EXTRA_QUERY, query); |
| |
| final FragmentTransaction ft = fm.beginTransaction(); |
| switch (anim) { |
| case ANIM_SIDE: |
| args.putBoolean(EXTRA_IGNORE_STATE, true); |
| break; |
| case ANIM_DOWN: |
| args.putBoolean(EXTRA_IGNORE_STATE, true); |
| ft.setCustomAnimations(R.animator.dir_down, R.animator.dir_frozen); |
| break; |
| case ANIM_UP: |
| ft.setCustomAnimations(R.animator.dir_frozen, R.animator.dir_up); |
| break; |
| } |
| |
| final DirectoryFragment fragment = new DirectoryFragment(); |
| fragment.setArguments(args); |
| |
| ft.replace(R.id.container_directory, fragment); |
| ft.commitAllowingStateLoss(); |
| } |
| |
| private static String buildStateKey(RootInfo root, DocumentInfo doc) { |
| final StringBuilder builder = new StringBuilder(); |
| builder.append(root != null ? root.authority : "null").append(';'); |
| builder.append(root != null ? root.rootId : "null").append(';'); |
| builder.append(doc != null ? doc.documentId : "null"); |
| return builder.toString(); |
| } |
| |
| public static DirectoryFragment get(FragmentManager fm) { |
| // TODO: deal with multiple directories shown at once |
| return (DirectoryFragment) fm.findFragmentById(R.id.container_directory); |
| } |
| |
| @Override |
| public View onCreateView( |
| LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { |
| final Context context = inflater.getContext(); |
| final View view = inflater.inflate(R.layout.fragment_directory, container, false); |
| |
| mEmptyView = view.findViewById(android.R.id.empty); |
| |
| mListView = (ListView) view.findViewById(R.id.list); |
| mListView.setOnItemClickListener(mItemListener); |
| mListView.setMultiChoiceModeListener(mMultiListener); |
| mListView.setRecyclerListener(mRecycleListener); |
| |
| mGridView = (GridView) view.findViewById(R.id.grid); |
| mGridView.setOnItemClickListener(mItemListener); |
| mGridView.setMultiChoiceModeListener(mMultiListener); |
| mGridView.setRecyclerListener(mRecycleListener); |
| |
| return view; |
| } |
| |
| @Override |
| public void onDestroyView() { |
| super.onDestroyView(); |
| |
| // Cancel any outstanding thumbnail requests |
| final ViewGroup target = (mListView.getAdapter() != null) ? mListView : mGridView; |
| final int count = target.getChildCount(); |
| for (int i = 0; i < count; i++) { |
| final View view = target.getChildAt(i); |
| mRecycleListener.onMovedToScrapHeap(view); |
| } |
| |
| // Tear down any selection in progress |
| mListView.setChoiceMode(AbsListView.CHOICE_MODE_NONE); |
| mGridView.setChoiceMode(AbsListView.CHOICE_MODE_NONE); |
| } |
| |
| @Override |
| public void onActivityCreated(Bundle savedInstanceState) { |
| super.onActivityCreated(savedInstanceState); |
| |
| final Context context = getActivity(); |
| final State state = getDisplayState(DirectoryFragment.this); |
| |
| final RootInfo root = getArguments().getParcelable(EXTRA_ROOT); |
| final DocumentInfo doc = getArguments().getParcelable(EXTRA_DOC); |
| |
| mAdapter = new DocumentsAdapter(); |
| mType = getArguments().getInt(EXTRA_TYPE); |
| mStateKey = buildStateKey(root, doc); |
| |
| if (mType == TYPE_RECENT_OPEN) { |
| // Hide titles when showing recents for picking images/videos |
| mHideGridTitles = MimePredicate.mimeMatches( |
| MimePredicate.VISUAL_MIMES, state.acceptMimes); |
| } else { |
| mHideGridTitles = (doc != null) && doc.isGridTitlesHidden(); |
| } |
| |
| final ActivityManager am = (ActivityManager) context.getSystemService( |
| Context.ACTIVITY_SERVICE); |
| mSvelteRecents = am.isLowRamDevice() && (mType == TYPE_RECENT_OPEN); |
| |
| mCallbacks = new LoaderCallbacks<DirectoryResult>() { |
| @Override |
| public Loader<DirectoryResult> onCreateLoader(int id, Bundle args) { |
| final String query = getArguments().getString(EXTRA_QUERY); |
| |
| Uri contentsUri; |
| switch (mType) { |
| case TYPE_NORMAL: |
| contentsUri = DocumentsContract.buildChildDocumentsUri( |
| doc.authority, doc.documentId); |
| if (state.action == ACTION_MANAGE) { |
| contentsUri = DocumentsContract.setManageMode(contentsUri); |
| } |
| return new DirectoryLoader( |
| context, mType, root, doc, contentsUri, state.userSortOrder); |
| case TYPE_SEARCH: |
| contentsUri = DocumentsContract.buildSearchDocumentsUri( |
| root.authority, root.rootId, query); |
| if (state.action == ACTION_MANAGE) { |
| contentsUri = DocumentsContract.setManageMode(contentsUri); |
| } |
| return new DirectoryLoader( |
| context, mType, root, doc, contentsUri, state.userSortOrder); |
| case TYPE_RECENT_OPEN: |
| final RootsCache roots = DocumentsApplication.getRootsCache(context); |
| return new RecentLoader(context, roots, state); |
| default: |
| throw new IllegalStateException("Unknown type " + mType); |
| } |
| } |
| |
| @Override |
| public void onLoadFinished(Loader<DirectoryResult> loader, DirectoryResult result) { |
| if (!isAdded()) return; |
| |
| mAdapter.swapResult(result); |
| |
| // Push latest state up to UI |
| // TODO: if mode change was racing with us, don't overwrite it |
| if (result.mode != MODE_UNKNOWN) { |
| state.derivedMode = result.mode; |
| } |
| state.derivedSortOrder = result.sortOrder; |
| ((DocumentsActivity) context).onStateChanged(); |
| |
| updateDisplayState(); |
| |
| // When launched into empty recents, show drawer |
| if (mType == TYPE_RECENT_OPEN && mAdapter.isEmpty() && !state.stackTouched) { |
| ((DocumentsActivity) context).setRootsDrawerOpen(true); |
| } |
| |
| // Restore any previous instance state |
| final SparseArray<Parcelable> container = state.dirState.remove(mStateKey); |
| if (container != null && !getArguments().getBoolean(EXTRA_IGNORE_STATE, false)) { |
| getView().restoreHierarchyState(container); |
| } else if (mLastSortOrder != state.derivedSortOrder) { |
| mListView.smoothScrollToPosition(0); |
| mGridView.smoothScrollToPosition(0); |
| } |
| |
| mLastSortOrder = state.derivedSortOrder; |
| } |
| |
| @Override |
| public void onLoaderReset(Loader<DirectoryResult> loader) { |
| mAdapter.swapResult(null); |
| } |
| }; |
| |
| // Kick off loader at least once |
| getLoaderManager().restartLoader(mLoaderId, null, mCallbacks); |
| |
| updateDisplayState(); |
| } |
| |
| @Override |
| public void onStop() { |
| super.onStop(); |
| |
| // Remember last scroll location |
| final SparseArray<Parcelable> container = new SparseArray<Parcelable>(); |
| getView().saveHierarchyState(container); |
| final State state = getDisplayState(this); |
| state.dirState.put(mStateKey, container); |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| updateDisplayState(); |
| } |
| |
| public void onUserSortOrderChanged() { |
| // Sort order change always triggers reload; we'll trigger state change |
| // on the flip side. |
| getLoaderManager().restartLoader(mLoaderId, null, mCallbacks); |
| } |
| |
| public void onUserModeChanged() { |
| final ContentResolver resolver = getActivity().getContentResolver(); |
| final State state = getDisplayState(this); |
| |
| final RootInfo root = getArguments().getParcelable(EXTRA_ROOT); |
| final DocumentInfo doc = getArguments().getParcelable(EXTRA_DOC); |
| |
| if (root != null && doc != null) { |
| final Uri stateUri = RecentsProvider.buildState( |
| root.authority, root.rootId, doc.documentId); |
| final ContentValues values = new ContentValues(); |
| values.put(StateColumns.MODE, state.userMode); |
| |
| new AsyncTask<Void, Void, Void>() { |
| @Override |
| protected Void doInBackground(Void... params) { |
| resolver.insert(stateUri, values); |
| return null; |
| } |
| }.execute(); |
| } |
| |
| // Mode change is just visual change; no need to kick loader, and |
| // deliver change event immediately. |
| state.derivedMode = state.userMode; |
| ((DocumentsActivity) getActivity()).onStateChanged(); |
| |
| updateDisplayState(); |
| } |
| |
| private void updateDisplayState() { |
| final State state = getDisplayState(this); |
| |
| if (mLastMode == state.derivedMode && mLastShowSize == state.showSize) return; |
| mLastMode = state.derivedMode; |
| mLastShowSize = state.showSize; |
| |
| mListView.setVisibility(state.derivedMode == MODE_LIST ? View.VISIBLE : View.GONE); |
| mGridView.setVisibility(state.derivedMode == MODE_GRID ? View.VISIBLE : View.GONE); |
| |
| final int choiceMode; |
| if (state.allowMultiple) { |
| choiceMode = ListView.CHOICE_MODE_MULTIPLE_MODAL; |
| } else { |
| choiceMode = ListView.CHOICE_MODE_NONE; |
| } |
| |
| final int thumbSize; |
| if (state.derivedMode == MODE_GRID) { |
| thumbSize = getResources().getDimensionPixelSize(R.dimen.grid_width); |
| mListView.setAdapter(null); |
| mListView.setChoiceMode(ListView.CHOICE_MODE_NONE); |
| mGridView.setAdapter(mAdapter); |
| mGridView.setColumnWidth(getResources().getDimensionPixelSize(R.dimen.grid_width)); |
| mGridView.setNumColumns(GridView.AUTO_FIT); |
| mGridView.setChoiceMode(choiceMode); |
| mCurrentView = mGridView; |
| } else if (state.derivedMode == MODE_LIST) { |
| thumbSize = getResources().getDimensionPixelSize(R.dimen.icon_size); |
| mGridView.setAdapter(null); |
| mGridView.setChoiceMode(ListView.CHOICE_MODE_NONE); |
| mListView.setAdapter(mAdapter); |
| mListView.setChoiceMode(choiceMode); |
| mCurrentView = mListView; |
| } else { |
| throw new IllegalStateException("Unknown state " + state.derivedMode); |
| } |
| |
| mThumbSize = new Point(thumbSize, thumbSize); |
| } |
| |
| private OnItemClickListener mItemListener = new OnItemClickListener() { |
| @Override |
| public void onItemClick(AdapterView<?> parent, View view, int position, long id) { |
| final Cursor cursor = mAdapter.getItem(position); |
| if (cursor != null) { |
| final String docMimeType = getCursorString(cursor, Document.COLUMN_MIME_TYPE); |
| final int docFlags = getCursorInt(cursor, Document.COLUMN_FLAGS); |
| if (isDocumentEnabled(docMimeType, docFlags)) { |
| final DocumentInfo doc = DocumentInfo.fromDirectoryCursor(cursor); |
| ((DocumentsActivity) getActivity()).onDocumentPicked(doc); |
| } |
| } |
| } |
| }; |
| |
| private MultiChoiceModeListener mMultiListener = new MultiChoiceModeListener() { |
| @Override |
| public boolean onCreateActionMode(ActionMode mode, Menu menu) { |
| mode.getMenuInflater().inflate(R.menu.mode_directory, menu); |
| mode.setTitle(getResources() |
| .getString(R.string.mode_selected_count, mCurrentView.getCheckedItemCount())); |
| return true; |
| } |
| |
| @Override |
| public boolean onPrepareActionMode(ActionMode mode, Menu menu) { |
| final State state = getDisplayState(DirectoryFragment.this); |
| |
| final MenuItem open = menu.findItem(R.id.menu_open); |
| final MenuItem share = menu.findItem(R.id.menu_share); |
| final MenuItem delete = menu.findItem(R.id.menu_delete); |
| |
| final boolean manageMode = state.action == ACTION_MANAGE; |
| open.setVisible(!manageMode); |
| share.setVisible(manageMode); |
| delete.setVisible(manageMode); |
| |
| return true; |
| } |
| |
| @Override |
| public boolean onActionItemClicked(ActionMode mode, MenuItem item) { |
| final SparseBooleanArray checked = mCurrentView.getCheckedItemPositions(); |
| final ArrayList<DocumentInfo> docs = Lists.newArrayList(); |
| final int size = checked.size(); |
| for (int i = 0; i < size; i++) { |
| if (checked.valueAt(i)) { |
| final Cursor cursor = mAdapter.getItem(checked.keyAt(i)); |
| final DocumentInfo doc = DocumentInfo.fromDirectoryCursor(cursor); |
| docs.add(doc); |
| } |
| } |
| |
| final int id = item.getItemId(); |
| if (id == R.id.menu_open) { |
| DocumentsActivity.get(DirectoryFragment.this).onDocumentsPicked(docs); |
| mode.finish(); |
| return true; |
| |
| } else if (id == R.id.menu_share) { |
| onShareDocuments(docs); |
| mode.finish(); |
| return true; |
| |
| } else if (id == R.id.menu_delete) { |
| onDeleteDocuments(docs); |
| mode.finish(); |
| return true; |
| |
| } else { |
| return false; |
| } |
| } |
| |
| @Override |
| public void onDestroyActionMode(ActionMode mode) { |
| // ignored |
| } |
| |
| @Override |
| public void onItemCheckedStateChanged( |
| ActionMode mode, int position, long id, boolean checked) { |
| if (checked) { |
| // Directories and footer items cannot be checked |
| boolean valid = false; |
| |
| final Cursor cursor = mAdapter.getItem(position); |
| if (cursor != null) { |
| final String docMimeType = getCursorString(cursor, Document.COLUMN_MIME_TYPE); |
| final int docFlags = getCursorInt(cursor, Document.COLUMN_FLAGS); |
| if (!Document.MIME_TYPE_DIR.equals(docMimeType)) { |
| valid = isDocumentEnabled(docMimeType, docFlags); |
| } |
| } |
| |
| if (!valid) { |
| mCurrentView.setItemChecked(position, false); |
| } |
| } |
| |
| mode.setTitle(getResources() |
| .getString(R.string.mode_selected_count, mCurrentView.getCheckedItemCount())); |
| } |
| }; |
| |
| private RecyclerListener mRecycleListener = new RecyclerListener() { |
| @Override |
| public void onMovedToScrapHeap(View view) { |
| final ImageView iconThumb = (ImageView) view.findViewById(R.id.icon_thumb); |
| if (iconThumb != null) { |
| final ThumbnailAsyncTask oldTask = (ThumbnailAsyncTask) iconThumb.getTag(); |
| if (oldTask != null) { |
| oldTask.preempt(); |
| iconThumb.setTag(null); |
| } |
| } |
| } |
| }; |
| |
| private void onShareDocuments(List<DocumentInfo> docs) { |
| Intent intent; |
| if (docs.size() == 1) { |
| final DocumentInfo doc = docs.get(0); |
| |
| intent = new Intent(Intent.ACTION_SEND); |
| intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); |
| intent.addCategory(Intent.CATEGORY_DEFAULT); |
| intent.setType(doc.mimeType); |
| intent.putExtra(Intent.EXTRA_STREAM, doc.derivedUri); |
| |
| } else if (docs.size() > 1) { |
| intent = new Intent(Intent.ACTION_SEND_MULTIPLE); |
| intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); |
| intent.addCategory(Intent.CATEGORY_DEFAULT); |
| |
| final ArrayList<String> mimeTypes = Lists.newArrayList(); |
| final ArrayList<Uri> uris = Lists.newArrayList(); |
| for (DocumentInfo doc : docs) { |
| mimeTypes.add(doc.mimeType); |
| uris.add(doc.derivedUri); |
| } |
| |
| intent.setType(findCommonMimeType(mimeTypes)); |
| intent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, uris); |
| |
| } else { |
| return; |
| } |
| |
| intent = Intent.createChooser(intent, getActivity().getText(R.string.share_via)); |
| startActivity(intent); |
| } |
| |
| private void onDeleteDocuments(List<DocumentInfo> docs) { |
| final Context context = getActivity(); |
| final ContentResolver resolver = context.getContentResolver(); |
| |
| boolean hadTrouble = false; |
| for (DocumentInfo doc : docs) { |
| if (!doc.isDeleteSupported()) { |
| Log.w(TAG, "Skipping " + doc); |
| hadTrouble = true; |
| continue; |
| } |
| |
| ContentProviderClient client = null; |
| try { |
| client = DocumentsApplication.acquireUnstableProviderOrThrow( |
| resolver, doc.derivedUri.getAuthority()); |
| DocumentsContract.deleteDocument(client, doc.derivedUri); |
| } catch (Exception e) { |
| Log.w(TAG, "Failed to delete " + doc); |
| hadTrouble = true; |
| } finally { |
| ContentProviderClient.releaseQuietly(client); |
| } |
| } |
| |
| if (hadTrouble) { |
| Toast.makeText(context, R.string.toast_failed_delete, Toast.LENGTH_SHORT).show(); |
| } |
| } |
| |
| private static State getDisplayState(Fragment fragment) { |
| return ((DocumentsActivity) fragment.getActivity()).getDisplayState(); |
| } |
| |
| private static abstract class Footer { |
| private final int mItemViewType; |
| |
| public Footer(int itemViewType) { |
| mItemViewType = itemViewType; |
| } |
| |
| public abstract View getView(View convertView, ViewGroup parent); |
| |
| public int getItemViewType() { |
| return mItemViewType; |
| } |
| } |
| |
| private class LoadingFooter extends Footer { |
| public LoadingFooter() { |
| super(1); |
| } |
| |
| @Override |
| public View getView(View convertView, ViewGroup parent) { |
| final Context context = parent.getContext(); |
| final State state = getDisplayState(DirectoryFragment.this); |
| |
| if (convertView == null) { |
| final LayoutInflater inflater = LayoutInflater.from(context); |
| if (state.derivedMode == MODE_LIST) { |
| convertView = inflater.inflate(R.layout.item_loading_list, parent, false); |
| } else if (state.derivedMode == MODE_GRID) { |
| convertView = inflater.inflate(R.layout.item_loading_grid, parent, false); |
| } else { |
| throw new IllegalStateException(); |
| } |
| } |
| |
| return convertView; |
| } |
| } |
| |
| private class MessageFooter extends Footer { |
| private final int mIcon; |
| private final String mMessage; |
| |
| public MessageFooter(int itemViewType, int icon, String message) { |
| super(itemViewType); |
| mIcon = icon; |
| mMessage = message; |
| } |
| |
| @Override |
| public View getView(View convertView, ViewGroup parent) { |
| final Context context = parent.getContext(); |
| final State state = getDisplayState(DirectoryFragment.this); |
| |
| if (convertView == null) { |
| final LayoutInflater inflater = LayoutInflater.from(context); |
| if (state.derivedMode == MODE_LIST) { |
| convertView = inflater.inflate(R.layout.item_message_list, parent, false); |
| } else if (state.derivedMode == MODE_GRID) { |
| convertView = inflater.inflate(R.layout.item_message_grid, parent, false); |
| } else { |
| throw new IllegalStateException(); |
| } |
| } |
| |
| final ImageView icon = (ImageView) convertView.findViewById(android.R.id.icon); |
| final TextView title = (TextView) convertView.findViewById(android.R.id.title); |
| icon.setImageResource(mIcon); |
| title.setText(mMessage); |
| return convertView; |
| } |
| } |
| |
| private class DocumentsAdapter extends BaseAdapter { |
| private Cursor mCursor; |
| private int mCursorCount; |
| |
| private List<Footer> mFooters = Lists.newArrayList(); |
| |
| public void swapResult(DirectoryResult result) { |
| mCursor = result != null ? result.cursor : null; |
| mCursorCount = mCursor != null ? mCursor.getCount() : 0; |
| |
| mFooters.clear(); |
| |
| final Bundle extras = mCursor != null ? mCursor.getExtras() : null; |
| if (extras != null) { |
| final String info = extras.getString(DocumentsContract.EXTRA_INFO); |
| if (info != null) { |
| mFooters.add(new MessageFooter(2, R.drawable.ic_dialog_info, info)); |
| } |
| final String error = extras.getString(DocumentsContract.EXTRA_ERROR); |
| if (error != null) { |
| mFooters.add(new MessageFooter(3, R.drawable.ic_dialog_alert, error)); |
| } |
| if (extras.getBoolean(DocumentsContract.EXTRA_LOADING, false)) { |
| mFooters.add(new LoadingFooter()); |
| } |
| } |
| |
| if (result != null && result.exception != null) { |
| mFooters.add(new MessageFooter( |
| 3, R.drawable.ic_dialog_alert, getString(R.string.query_error))); |
| } |
| |
| if (isEmpty()) { |
| mEmptyView.setVisibility(View.VISIBLE); |
| } else { |
| mEmptyView.setVisibility(View.GONE); |
| } |
| |
| notifyDataSetChanged(); |
| } |
| |
| @Override |
| public View getView(int position, View convertView, ViewGroup parent) { |
| if (position < mCursorCount) { |
| return getDocumentView(position, convertView, parent); |
| } else { |
| position -= mCursorCount; |
| convertView = mFooters.get(position).getView(convertView, parent); |
| // Only the view itself is disabled; contents inside shouldn't |
| // be dimmed. |
| convertView.setEnabled(false); |
| return convertView; |
| } |
| } |
| |
| private View getDocumentView(int position, View convertView, ViewGroup parent) { |
| final Context context = parent.getContext(); |
| final State state = getDisplayState(DirectoryFragment.this); |
| |
| final DocumentInfo doc = getArguments().getParcelable(EXTRA_DOC); |
| |
| final RootsCache roots = DocumentsApplication.getRootsCache(context); |
| final ThumbnailCache thumbs = DocumentsApplication.getThumbnailsCache( |
| context, mThumbSize); |
| |
| if (convertView == null) { |
| final LayoutInflater inflater = LayoutInflater.from(context); |
| if (state.derivedMode == MODE_LIST) { |
| convertView = inflater.inflate(R.layout.item_doc_list, parent, false); |
| } else if (state.derivedMode == MODE_GRID) { |
| convertView = inflater.inflate(R.layout.item_doc_grid, parent, false); |
| |
| // Apply padding to grid items |
| final FrameLayout grid = (FrameLayout) convertView; |
| final int gridPadding = getResources() |
| .getDimensionPixelSize(R.dimen.grid_padding); |
| |
| // Tricksy hobbitses! We need to fully clear the drawable so |
| // the view doesn't clobber the new InsetDrawable callback |
| // when setting back later. |
| final Drawable fg = grid.getForeground(); |
| final Drawable bg = grid.getBackground(); |
| grid.setForeground(null); |
| grid.setBackground(null); |
| grid.setForeground(new InsetDrawable(fg, gridPadding)); |
| grid.setBackground(new InsetDrawable(bg, gridPadding)); |
| } else { |
| throw new IllegalStateException(); |
| } |
| } |
| |
| final Cursor cursor = getItem(position); |
| |
| final String docAuthority = getCursorString(cursor, RootCursorWrapper.COLUMN_AUTHORITY); |
| final String docRootId = getCursorString(cursor, RootCursorWrapper.COLUMN_ROOT_ID); |
| final String docId = getCursorString(cursor, Document.COLUMN_DOCUMENT_ID); |
| final String docMimeType = getCursorString(cursor, Document.COLUMN_MIME_TYPE); |
| final String docDisplayName = getCursorString(cursor, Document.COLUMN_DISPLAY_NAME); |
| final long docLastModified = getCursorLong(cursor, Document.COLUMN_LAST_MODIFIED); |
| final int docIcon = getCursorInt(cursor, Document.COLUMN_ICON); |
| final int docFlags = getCursorInt(cursor, Document.COLUMN_FLAGS); |
| final String docSummary = getCursorString(cursor, Document.COLUMN_SUMMARY); |
| final long docSize = getCursorLong(cursor, Document.COLUMN_SIZE); |
| |
| final View line1 = convertView.findViewById(R.id.line1); |
| final View line2 = convertView.findViewById(R.id.line2); |
| |
| final ImageView iconMime = (ImageView) convertView.findViewById(R.id.icon_mime); |
| final ImageView iconThumb = (ImageView) convertView.findViewById(R.id.icon_thumb); |
| final TextView title = (TextView) convertView.findViewById(android.R.id.title); |
| final ImageView icon1 = (ImageView) convertView.findViewById(android.R.id.icon1); |
| final ImageView icon2 = (ImageView) convertView.findViewById(android.R.id.icon2); |
| final TextView summary = (TextView) convertView.findViewById(android.R.id.summary); |
| final TextView date = (TextView) convertView.findViewById(R.id.date); |
| final TextView size = (TextView) convertView.findViewById(R.id.size); |
| |
| final ThumbnailAsyncTask oldTask = (ThumbnailAsyncTask) iconThumb.getTag(); |
| if (oldTask != null) { |
| oldTask.preempt(); |
| iconThumb.setTag(null); |
| } |
| |
| iconMime.animate().cancel(); |
| iconThumb.animate().cancel(); |
| |
| final boolean supportsThumbnail = (docFlags & Document.FLAG_SUPPORTS_THUMBNAIL) != 0; |
| final boolean allowThumbnail = (state.derivedMode == MODE_GRID) |
| || MimePredicate.mimeMatches(MimePredicate.VISUAL_MIMES, docMimeType); |
| final boolean showThumbnail = supportsThumbnail && allowThumbnail && !mSvelteRecents; |
| |
| boolean cacheHit = false; |
| if (showThumbnail) { |
| final Uri uri = DocumentsContract.buildDocumentUri(docAuthority, docId); |
| final Bitmap cachedResult = thumbs.get(uri); |
| if (cachedResult != null) { |
| iconThumb.setImageBitmap(cachedResult); |
| cacheHit = true; |
| } else { |
| iconThumb.setImageDrawable(null); |
| final ThumbnailAsyncTask task = new ThumbnailAsyncTask( |
| uri, iconMime, iconThumb, mThumbSize); |
| iconThumb.setTag(task); |
| ProviderExecutor.forAuthority(docAuthority).execute(task); |
| } |
| } |
| |
| // Always throw MIME icon into place, even when a thumbnail is being |
| // loaded in background. |
| if (cacheHit) { |
| iconMime.setAlpha(0f); |
| iconMime.setImageDrawable(null); |
| iconThumb.setAlpha(1f); |
| } else { |
| iconMime.setAlpha(1f); |
| iconThumb.setAlpha(0f); |
| iconThumb.setImageDrawable(null); |
| if (docIcon != 0) { |
| iconMime.setImageDrawable( |
| IconUtils.loadPackageIcon(context, docAuthority, docIcon)); |
| } else { |
| iconMime.setImageDrawable(IconUtils.loadMimeIcon( |
| context, docMimeType, docAuthority, docId, state.derivedMode)); |
| } |
| } |
| |
| boolean hasLine1 = false; |
| boolean hasLine2 = false; |
| |
| final boolean hideTitle = (state.derivedMode == MODE_GRID) && mHideGridTitles; |
| if (!hideTitle) { |
| title.setText(docDisplayName); |
| hasLine1 = true; |
| } |
| |
| Drawable iconDrawable = null; |
| if (mType == TYPE_RECENT_OPEN) { |
| // We've already had to enumerate roots before any results can |
| // be shown, so this will never block. |
| final RootInfo root = roots.getRootBlocking(docAuthority, docRootId); |
| iconDrawable = root.loadIcon(context); |
| |
| if (summary != null) { |
| final boolean alwaysShowSummary = getResources() |
| .getBoolean(R.bool.always_show_summary); |
| if (alwaysShowSummary) { |
| summary.setText(root.getDirectoryString()); |
| summary.setVisibility(View.VISIBLE); |
| hasLine2 = true; |
| } else { |
| if (iconDrawable != null && roots.isIconUniqueBlocking(root)) { |
| // No summary needed if icon speaks for itself |
| summary.setVisibility(View.INVISIBLE); |
| } else { |
| summary.setText(root.getDirectoryString()); |
| summary.setVisibility(View.VISIBLE); |
| summary.setTextAlignment(TextView.TEXT_ALIGNMENT_TEXT_END); |
| hasLine2 = true; |
| } |
| } |
| } |
| } else { |
| // Directories showing thumbnails in grid mode get a little icon |
| // hint to remind user they're a directory. |
| if (Document.MIME_TYPE_DIR.equals(docMimeType) && state.derivedMode == MODE_GRID |
| && showThumbnail) { |
| iconDrawable = context.getResources().getDrawable(R.drawable.ic_root_folder); |
| } |
| |
| if (summary != null) { |
| if (docSummary != null) { |
| summary.setText(docSummary); |
| summary.setVisibility(View.VISIBLE); |
| hasLine2 = true; |
| } else { |
| summary.setVisibility(View.INVISIBLE); |
| } |
| } |
| } |
| |
| if (icon1 != null) icon1.setVisibility(View.GONE); |
| if (icon2 != null) icon2.setVisibility(View.GONE); |
| |
| if (iconDrawable != null) { |
| if (hasLine1) { |
| icon1.setVisibility(View.VISIBLE); |
| icon1.setImageDrawable(iconDrawable); |
| } else { |
| icon2.setVisibility(View.VISIBLE); |
| icon2.setImageDrawable(iconDrawable); |
| } |
| } |
| |
| if (docLastModified == -1) { |
| date.setText(null); |
| } else { |
| date.setText(formatTime(context, docLastModified)); |
| hasLine2 = true; |
| } |
| |
| if (state.showSize) { |
| size.setVisibility(View.VISIBLE); |
| if (Document.MIME_TYPE_DIR.equals(docMimeType) || docSize == -1) { |
| size.setText(null); |
| } else { |
| size.setText(Formatter.formatFileSize(context, docSize)); |
| hasLine2 = true; |
| } |
| } else { |
| size.setVisibility(View.GONE); |
| } |
| |
| if (line1 != null) { |
| line1.setVisibility(hasLine1 ? View.VISIBLE : View.GONE); |
| } |
| if (line2 != null) { |
| line2.setVisibility(hasLine2 ? View.VISIBLE : View.GONE); |
| } |
| |
| final boolean enabled = isDocumentEnabled(docMimeType, docFlags); |
| if (enabled) { |
| setEnabledRecursive(convertView, true); |
| iconMime.setAlpha(1f); |
| iconThumb.setAlpha(1f); |
| if (icon1 != null) icon1.setAlpha(1f); |
| if (icon2 != null) icon2.setAlpha(1f); |
| } else { |
| setEnabledRecursive(convertView, false); |
| iconMime.setAlpha(0.5f); |
| iconThumb.setAlpha(0.5f); |
| if (icon1 != null) icon1.setAlpha(0.5f); |
| if (icon2 != null) icon2.setAlpha(0.5f); |
| } |
| |
| return convertView; |
| } |
| |
| @Override |
| public int getCount() { |
| return mCursorCount + mFooters.size(); |
| } |
| |
| @Override |
| public Cursor getItem(int position) { |
| if (position < mCursorCount) { |
| mCursor.moveToPosition(position); |
| return mCursor; |
| } else { |
| return null; |
| } |
| } |
| |
| @Override |
| public long getItemId(int position) { |
| return position; |
| } |
| |
| @Override |
| public int getViewTypeCount() { |
| return 4; |
| } |
| |
| @Override |
| public int getItemViewType(int position) { |
| if (position < mCursorCount) { |
| return 0; |
| } else { |
| position -= mCursorCount; |
| return mFooters.get(position).getItemViewType(); |
| } |
| } |
| } |
| |
| private static class ThumbnailAsyncTask extends AsyncTask<Uri, Void, Bitmap> |
| implements Preemptable { |
| private final Uri mUri; |
| private final ImageView mIconMime; |
| private final ImageView mIconThumb; |
| private final Point mThumbSize; |
| private final CancellationSignal mSignal; |
| |
| public ThumbnailAsyncTask( |
| Uri uri, ImageView iconMime, ImageView iconThumb, Point thumbSize) { |
| mUri = uri; |
| mIconMime = iconMime; |
| mIconThumb = iconThumb; |
| mThumbSize = thumbSize; |
| mSignal = new CancellationSignal(); |
| } |
| |
| @Override |
| public void preempt() { |
| cancel(false); |
| mSignal.cancel(); |
| } |
| |
| @Override |
| protected Bitmap doInBackground(Uri... params) { |
| if (isCancelled()) return null; |
| |
| final Context context = mIconThumb.getContext(); |
| final ContentResolver resolver = context.getContentResolver(); |
| |
| ContentProviderClient client = null; |
| Bitmap result = null; |
| try { |
| client = DocumentsApplication.acquireUnstableProviderOrThrow( |
| resolver, mUri.getAuthority()); |
| result = DocumentsContract.getDocumentThumbnail(client, mUri, mThumbSize, mSignal); |
| if (result != null) { |
| final ThumbnailCache thumbs = DocumentsApplication.getThumbnailsCache( |
| context, mThumbSize); |
| thumbs.put(mUri, result); |
| } |
| } catch (Exception e) { |
| if (!(e instanceof OperationCanceledException)) { |
| Log.w(TAG, "Failed to load thumbnail for " + mUri + ": " + e); |
| } |
| } finally { |
| ContentProviderClient.releaseQuietly(client); |
| } |
| return result; |
| } |
| |
| @Override |
| protected void onPostExecute(Bitmap result) { |
| if (mIconThumb.getTag() == this && result != null) { |
| mIconThumb.setTag(null); |
| mIconThumb.setImageBitmap(result); |
| |
| final float targetAlpha = mIconMime.isEnabled() ? 1f : 0.5f; |
| mIconMime.setAlpha(targetAlpha); |
| mIconMime.animate().alpha(0f).start(); |
| mIconThumb.setAlpha(0f); |
| mIconThumb.animate().alpha(targetAlpha).start(); |
| } |
| } |
| } |
| |
| private static String formatTime(Context context, long when) { |
| // TODO: DateUtils should make this easier |
| Time then = new Time(); |
| then.set(when); |
| Time now = new Time(); |
| now.setToNow(); |
| |
| int flags = DateUtils.FORMAT_NO_NOON | DateUtils.FORMAT_NO_MIDNIGHT |
| | DateUtils.FORMAT_ABBREV_ALL; |
| |
| if (then.year != now.year) { |
| flags |= DateUtils.FORMAT_SHOW_YEAR | DateUtils.FORMAT_SHOW_DATE; |
| } else if (then.yearDay != now.yearDay) { |
| flags |= DateUtils.FORMAT_SHOW_DATE; |
| } else { |
| flags |= DateUtils.FORMAT_SHOW_TIME; |
| } |
| |
| return DateUtils.formatDateTime(context, when, flags); |
| } |
| |
| private String findCommonMimeType(List<String> mimeTypes) { |
| String[] commonType = mimeTypes.get(0).split("/"); |
| if (commonType.length != 2) { |
| return "*/*"; |
| } |
| |
| for (int i = 1; i < mimeTypes.size(); i++) { |
| String[] type = mimeTypes.get(i).split("/"); |
| if (type.length != 2) continue; |
| |
| if (!commonType[1].equals(type[1])) { |
| commonType[1] = "*"; |
| } |
| |
| if (!commonType[0].equals(type[0])) { |
| commonType[0] = "*"; |
| commonType[1] = "*"; |
| break; |
| } |
| } |
| |
| return commonType[0] + "/" + commonType[1]; |
| } |
| |
| private void setEnabledRecursive(View v, boolean enabled) { |
| if (v == null) return; |
| if (v.isEnabled() == enabled) return; |
| v.setEnabled(enabled); |
| |
| if (v instanceof ViewGroup) { |
| final ViewGroup vg = (ViewGroup) v; |
| for (int i = vg.getChildCount() - 1; i >= 0; i--) { |
| setEnabledRecursive(vg.getChildAt(i), enabled); |
| } |
| } |
| } |
| |
| private boolean isDocumentEnabled(String docMimeType, int docFlags) { |
| final State state = getDisplayState(DirectoryFragment.this); |
| |
| // Directories are always enabled |
| if (Document.MIME_TYPE_DIR.equals(docMimeType)) { |
| return true; |
| } |
| |
| // Read-only files are disabled when creating |
| if (state.action == ACTION_CREATE && (docFlags & Document.FLAG_SUPPORTS_WRITE) == 0) { |
| return false; |
| } |
| |
| return MimePredicate.mimeMatches(state.acceptMimes, docMimeType); |
| } |
| } |
