Examples with RootInfo com.android.documentsui.model.RootInfo used on opensource projects

Example 26 with RootInfo

use of com.android.documentsui.model.RootInfo in project android_frameworks_base by ResurrectionRemix.

the class RootsFragment method onCurrentRootChanged.

public void onCurrentRootChanged() {
    if (mAdapter == null) {
        return;
    }
    final RootInfo root = ((BaseActivity) getActivity()).getCurrentRoot();
    for (int i = 0; i < mAdapter.getCount(); i++) {
        final Object item = mAdapter.getItem(i);
        if (item instanceof RootItem) {
            final RootInfo testRoot = ((RootItem) item).root;
            if (Objects.equals(testRoot, root)) {
                mList.setItemChecked(i, true);
                mList.setSelection(i);
                return;
            }
        }
    }
}

Example 27 with RootInfo

use of com.android.documentsui.model.RootInfo in project android_frameworks_base by ResurrectionRemix.

the class RootsFragment method onActivityCreated.

@Override
public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);
    final Context context = getActivity();
    final RootsCache roots = DocumentsApplication.getRootsCache(context);
    final State state = ((BaseActivity) context).getDisplayState();
    mCallbacks = new LoaderCallbacks<Collection<RootInfo>>() {

        @Override
        public Loader<Collection<RootInfo>> onCreateLoader(int id, Bundle args) {
            return new RootsLoader(context, roots, state);
        }

        @Override
        public void onLoadFinished(Loader<Collection<RootInfo>> loader, Collection<RootInfo> result) {
            if (!isAdded()) {
                return;
            }
            Intent handlerAppIntent = getArguments().getParcelable(EXTRA_INCLUDE_APPS);
            mAdapter = new RootsAdapter(context, result, handlerAppIntent, state);
            mList.setAdapter(mAdapter);
            onCurrentRootChanged();
        }

        @Override
        public void onLoaderReset(Loader<Collection<RootInfo>> loader) {
            mAdapter = null;
            mList.setAdapter(null);
        }
    };
}

Example 28 with RootInfo

use of com.android.documentsui.model.RootInfo in project android_frameworks_base by ResurrectionRemix.

the class RootsCache method loadRootsForAuthority.

/**
     * Bring up requested provider and query for all active roots.
     */
private Collection<RootInfo> loadRootsForAuthority(ContentResolver resolver, String authority, boolean forceRefresh) {
    if (DEBUG)
        Log.d(TAG, "Loading roots for " + authority);
    synchronized (mObservedAuthorities) {
        if (mObservedAuthorities.add(authority)) {
            // Watch for any future updates
            final Uri rootsUri = DocumentsContract.buildRootsUri(authority);
            mContext.getContentResolver().registerContentObserver(rootsUri, true, mObserver);
        }
    }
    final Uri rootsUri = DocumentsContract.buildRootsUri(authority);
    if (!forceRefresh) {
        // Look for roots data that we might have cached for ourselves in the
        // long-lived system process.
        final Bundle systemCache = resolver.getCache(rootsUri);
        if (systemCache != null) {
            if (DEBUG)
                Log.d(TAG, "System cache hit for " + authority);
            return systemCache.getParcelableArrayList(TAG);
        }
    }
    final ArrayList<RootInfo> roots = new ArrayList<>();
    ContentProviderClient client = null;
    Cursor cursor = null;
    try {
        client = DocumentsApplication.acquireUnstableProviderOrThrow(resolver, authority);
        cursor = client.query(rootsUri, null, null, null, null);
        while (cursor.moveToNext()) {
            final RootInfo root = RootInfo.fromRootsCursor(authority, cursor);
            roots.add(root);
        }
    } catch (Exception e) {
        Log.w(TAG, "Failed to load some roots from " + authority + ": " + e);
    } finally {
        IoUtils.closeQuietly(cursor);
        ContentProviderClient.releaseQuietly(client);
    }
    // Cache these freshly parsed roots over in the long-lived system
    // process, in case our process goes away. The system takes care of
    // invalidating the cache if the package or Uri changes.
    final Bundle systemCache = new Bundle();
    systemCache.putParcelableArrayList(TAG, roots);
    resolver.putCache(rootsUri, systemCache);
    return roots;
}

Example 29 with RootInfo

use of com.android.documentsui.model.RootInfo in project android_frameworks_base by ResurrectionRemix.

the class RootsCache method getMatchingRoots.

@VisibleForTesting
static List<RootInfo> getMatchingRoots(Collection<RootInfo> roots, State state) {
    final List<RootInfo> matching = new ArrayList<>();
    for (RootInfo root : roots) {
        if (DEBUG)
            Log.d(TAG, "Evaluating " + root);
        if (state.action == State.ACTION_CREATE && !root.supportsCreate()) {
            if (DEBUG)
                Log.d(TAG, "Excluding read-only root because: ACTION_CREATE.");
            continue;
        }
        if (state.action == State.ACTION_PICK_COPY_DESTINATION && !root.supportsCreate()) {
            if (DEBUG)
                Log.d(TAG, "Excluding read-only root because: ACTION_PICK_COPY_DESTINATION.");
            continue;
        }
        if (state.action == State.ACTION_OPEN_TREE && !root.supportsChildren()) {
            if (DEBUG)
                Log.d(TAG, "Excluding root !supportsChildren because: ACTION_OPEN_TREE.");
            continue;
        }
        if (!state.showAdvanced && root.isAdvanced()) {
            if (DEBUG)
                Log.d(TAG, "Excluding root because: unwanted advanced device.");
            continue;
        }
        if (state.localOnly && !root.isLocalOnly()) {
            if (DEBUG)
                Log.d(TAG, "Excluding root because: unwanted non-local device.");
            continue;
        }
        if (state.directoryCopy && root.isDownloads()) {
            if (DEBUG)
                Log.d(TAG, "Excluding downloads root because: unsupported directory copy.");
            continue;
        }
        if (state.action == State.ACTION_OPEN && root.isEmpty()) {
            if (DEBUG)
                Log.d(TAG, "Excluding empty root because: ACTION_OPEN.");
            continue;
        }
        if (state.action == State.ACTION_GET_CONTENT && root.isEmpty()) {
            if (DEBUG)
                Log.d(TAG, "Excluding empty root because: ACTION_GET_CONTENT.");
            continue;
        }
        final boolean overlap = MimePredicate.mimeMatches(root.derivedMimeTypes, state.acceptMimes) || MimePredicate.mimeMatches(state.acceptMimes, root.derivedMimeTypes);
        if (!overlap) {
            if (DEBUG)
                Log.d(TAG, "Excluding root because: unsupported content types > " + state.acceptMimes);
            continue;
        }
        if (state.excludedAuthorities.contains(root.authority)) {
            if (DEBUG)
                Log.d(TAG, "Excluding root because: owned by calling package.");
            continue;
        }
        if (DEBUG)
            Log.d(TAG, "Including " + root);
        matching.add(root);
    }
    return matching;
}

Example 30 with RootInfo

use of com.android.documentsui.model.RootInfo in project android_frameworks_base by ResurrectionRemix.

the class FilesActivity method refreshDirectory.

@Override
void refreshDirectory(int anim) {
    final FragmentManager fm = getFragmentManager();
    final RootInfo root = getCurrentRoot();
    final DocumentInfo cwd = getCurrentDirectory();
    assert (!mSearchManager.isSearching());
    if (cwd == null) {
        DirectoryFragment.showRecentsOpen(fm, anim);
    } else {
        // Normal boring directory
        DirectoryFragment.showDirectory(fm, root, cwd, anim);
    }
}