private String getDocIdForFile(File file) throws FileNotFoundException {
String path = file.getAbsolutePath();
// Find the most-specific root path
String mostSpecificId = null;
String mostSpecificPath = null;
synchronized (mRootsLock) {
for (int i = 0; i < mRoots.size(); i++) {
final String rootId = mRoots.keyAt(i);
final String rootPath = mRoots.valueAt(i).path.getAbsolutePath();
if (path.startsWith(rootPath)
&& (mostSpecificPath == null || rootPath.length() > mostSpecificPath.length())) {
mostSpecificId = rootId;
mostSpecificPath = rootPath;
}
}
}
if (mostSpecificPath == null) {
throw new FileNotFoundException("Failed to find root that contains " + path);
}
// Start at first char of path under root
final String rootPath = mostSpecificPath;
if (rootPath.equals(path)) {
path = "";
} else if (rootPath.endsWith("/")) {
path = path.substring(rootPath.length());
} else {
path = path.substring(rootPath.length() + 1);
}
return mostSpecificId + ':' + path;
}
public UsbPort[] getPorts() {
synchronized (mLock) {
final int count = mPorts.size();
final UsbPort[] result = new UsbPort[count];
for (int i = 0; i < count; i++) {
result[i] = mPorts.valueAt(i).mUsbPort;
}
return result;
}
}
public boolean getAppsWithPermissionsCount(Context context, int[] counts) {
ArraySet<String> launcherPkgs = Utils.getLauncherPackages(context);
// Indexed by uid.
ArrayMap<String, Boolean> grantedApps = new ArrayMap<>();
ArrayMap<String, Boolean> allApps = new ArrayMap<>();
for (String group : Utils.MODERN_PERMISSION_GROUPS) {
PermissionApps permissionApps = new PermissionApps(context, group, null);
permissionApps.loadNowWithoutUi();
for (PermissionApp app : permissionApps.getApps()) {
String key = app.getKey();
if (Utils.isSystem(app, launcherPkgs)) {
// We default to not showing system apps, so hide them from count.
continue;
}
if (app.areRuntimePermissionsGranted()) {
grantedApps.put(key, true);
}
allApps.put(key, true);
}
}
counts[0] = grantedApps.size();
counts[1] = allApps.size();
return true;
}
@Override
public void dump(FileDescriptor fd, PrintWriter writer, String[] args) {
final IndentingPrintWriter pw = new IndentingPrintWriter(writer, " ", 160);
synchronized (mRootsLock) {
for (int i = 0; i < mRoots.size(); i++) {
final RootInfo root = mRoots.valueAt(i);
pw.println("Root{" + root.rootId + "}:");
pw.increaseIndent();
pw.printPair("flags", DebugUtils.flagsToString(Root.class, "FLAG_", root.flags));
pw.println();
pw.printPair("title", root.title);
pw.printPair("docId", root.docId);
pw.println();
pw.printPair("path", root.path);
pw.printPair("visiblePath", root.visiblePath);
pw.decreaseIndent();
pw.println();
}
}
}
private void updatePortsLocked(IndentingPrintWriter pw) {
// Assume all ports are gone unless informed otherwise.
// Kind of pessimistic but simple.
for (int i = mPorts.size(); i-- > 0; ) {
mPorts.valueAt(i).mDisposition = PortInfo.DISPOSITION_REMOVED;
}
// Enumerate all extant ports.
if (!mSimulatedPorts.isEmpty()) {
final int count = mSimulatedPorts.size();
for (int i = 0; i < count; i++) {
final SimulatedPortInfo portInfo = mSimulatedPorts.valueAt(i);
addOrUpdatePortLocked(
portInfo.mPortId,
portInfo.mSupportedModes,
portInfo.mCurrentMode,
portInfo.mCanChangeMode,
portInfo.mCurrentPowerRole,
portInfo.mCanChangePowerRole,
portInfo.mCurrentDataRole,
portInfo.mCanChangeDataRole,
pw);
}
} else if (mHaveKernelSupport) {
final File[] portDirs = new File(SYSFS_CLASS).listFiles();
if (portDirs != null) {
for (File portDir : portDirs) {
if (!portDir.isDirectory()) {
continue;
}
// Parse the sysfs file contents.
final String portId = portDir.getName();
final int supportedModes = readSupportedModes(portDir);
final int currentMode = readCurrentMode(portDir);
final boolean canChangeMode = canChangeMode(portDir);
final int currentPowerRole = readCurrentPowerRole(portDir);
final boolean canChangePowerRole = canChangePowerRole(portDir);
final int currentDataRole = readCurrentDataRole(portDir);
final boolean canChangeDataRole = canChangeDataRole(portDir);
addOrUpdatePortLocked(
portId,
supportedModes,
currentMode,
canChangeMode,
currentPowerRole,
canChangePowerRole,
currentDataRole,
canChangeDataRole,
pw);
}
}
}
// Process the updates.
// Once finished, the list of ports will only contain ports in DISPOSITION_READY.
for (int i = mPorts.size(); i-- > 0; ) {
final PortInfo portInfo = mPorts.valueAt(i);
switch (portInfo.mDisposition) {
case PortInfo.DISPOSITION_ADDED:
handlePortAddedLocked(portInfo, pw);
portInfo.mDisposition = PortInfo.DISPOSITION_READY;
break;
case PortInfo.DISPOSITION_CHANGED:
handlePortChangedLocked(portInfo, pw);
portInfo.mDisposition = PortInfo.DISPOSITION_READY;
break;
case PortInfo.DISPOSITION_REMOVED:
mPorts.removeAt(i);
portInfo.mUsbPortStatus = null; // must do this early
handlePortRemovedLocked(portInfo, pw);
break;
}
}
}
boolean dumpMap(
PrintWriter out,
String titlePrefix,
String title,
String prefix,
ArrayMap<String, F[]> map,
String packageName,
boolean printFilter,
boolean collapseDuplicates) {
final String eprefix = prefix + " ";
final String fprefix = prefix + " ";
final ArrayMap<Object, MutableInt> found = new ArrayMap<>();
boolean printedSomething = false;
Printer printer = null;
for (int mapi = 0; mapi < map.size(); mapi++) {
F[] a = map.valueAt(mapi);
final int N = a.length;
boolean printedHeader = false;
F filter;
if (collapseDuplicates && !printFilter) {
found.clear();
for (int i = 0; i < N && (filter = a[i]) != null; i++) {
if (packageName != null && !isPackageForFilter(packageName, filter)) {
continue;
}
Object label = filterToLabel(filter);
int index = found.indexOfKey(label);
if (index < 0) {
found.put(label, new MutableInt(1));
} else {
found.valueAt(index).value++;
}
}
for (int i = 0; i < found.size(); i++) {
if (title != null) {
out.print(titlePrefix);
out.println(title);
title = null;
}
if (!printedHeader) {
out.print(eprefix);
out.print(map.keyAt(mapi));
out.println(":");
printedHeader = true;
}
printedSomething = true;
dumpFilterLabel(out, fprefix, found.keyAt(i), found.valueAt(i).value);
}
} else {
for (int i = 0; i < N && (filter = a[i]) != null; i++) {
if (packageName != null && !isPackageForFilter(packageName, filter)) {
continue;
}
if (title != null) {
out.print(titlePrefix);
out.println(title);
title = null;
}
if (!printedHeader) {
out.print(eprefix);
out.print(map.keyAt(mapi));
out.println(":");
printedHeader = true;
}
printedSomething = true;
dumpFilter(out, fprefix, filter);
if (printFilter) {
if (printer == null) {
printer = new PrintWriterPrinter(out);
}
filter.dump(printer, fprefix + " ");
}
}
}
}
return printedSomething;
}
private void handleReadPrintJobsLocked() {
// Make a map with the files for a print job since we may have
// to delete some. One example of getting orphan files if the
// spooler crashes while constructing a print job. We do not
// persist partially populated print jobs under construction to
// avoid special handling for various attributes missing.
ArrayMap<PrintJobId, File> fileForJobMap = null;
File[] files = getFilesDir().listFiles();
if (files != null) {
final int fileCount = files.length;
for (int i = 0; i < fileCount; i++) {
File file = files[i];
if (file.isFile() && file.getName().startsWith(PRINT_JOB_FILE_PREFIX)) {
if (fileForJobMap == null) {
fileForJobMap = new ArrayMap<PrintJobId, File>();
}
String printJobIdString =
file.getName().substring(PRINT_JOB_FILE_PREFIX.length(), file.getName().indexOf('.'));
PrintJobId printJobId = PrintJobId.unflattenFromString(printJobIdString);
fileForJobMap.put(printJobId, file);
}
}
}
final int printJobCount = mPrintJobs.size();
for (int i = 0; i < printJobCount; i++) {
PrintJobInfo printJob = mPrintJobs.get(i);
// We want to have only the orphan files at the end.
if (fileForJobMap != null) {
fileForJobMap.remove(printJob.getId());
}
switch (printJob.getState()) {
case PrintJobInfo.STATE_QUEUED:
case PrintJobInfo.STATE_STARTED:
case PrintJobInfo.STATE_BLOCKED:
{
// We have a print job that was queued or started or blocked in
// the past but the device battery died or a crash occurred. In
// this case we assume the print job failed and let the user
// decide whether to restart the job or just cancel it.
setPrintJobState(
printJob.getId(),
PrintJobInfo.STATE_FAILED,
getString(R.string.no_connection_to_printer));
}
break;
}
}
if (!mPrintJobs.isEmpty()) {
// Update the notification.
mNotificationController.onUpdateNotifications(mPrintJobs);
}
// Delete the orphan files.
if (fileForJobMap != null) {
final int orphanFileCount = fileForJobMap.size();
for (int i = 0; i < orphanFileCount; i++) {
File file = fileForJobMap.valueAt(i);
file.delete();
}
}
}
private void updateVolumesLocked() {
mRoots.clear();
final int userId = UserHandle.myUserId();
final List<VolumeInfo> volumes = mStorageManager.getVolumes();
for (VolumeInfo volume : volumes) {
if (!volume.isMountedReadable()) continue;
final String rootId;
final String title;
if (volume.getType() == VolumeInfo.TYPE_EMULATED) {
// We currently only support a single emulated volume mounted at
// a time, and it's always considered the primary
rootId = ROOT_ID_PRIMARY_EMULATED;
if (VolumeInfo.ID_EMULATED_INTERNAL.equals(volume.getId())) {
title = getContext().getString(R.string.root_internal_storage);
} else {
final VolumeInfo privateVol = mStorageManager.findPrivateForEmulated(volume);
title = mStorageManager.getBestVolumeDescription(privateVol);
}
} else if (volume.getType() == VolumeInfo.TYPE_PUBLIC) {
rootId = volume.getFsUuid();
title = mStorageManager.getBestVolumeDescription(volume);
} else {
// Unsupported volume; ignore
continue;
}
if (TextUtils.isEmpty(rootId)) {
Log.d(TAG, "Missing UUID for " + volume.getId() + "; skipping");
continue;
}
if (mRoots.containsKey(rootId)) {
Log.w(TAG, "Duplicate UUID " + rootId + " for " + volume.getId() + "; skipping");
continue;
}
try {
final RootInfo root = new RootInfo();
mRoots.put(rootId, root);
root.rootId = rootId;
root.flags =
Root.FLAG_SUPPORTS_CREATE
| Root.FLAG_LOCAL_ONLY
| Root.FLAG_ADVANCED
| Root.FLAG_SUPPORTS_SEARCH
| Root.FLAG_SUPPORTS_IS_CHILD;
root.title = title;
if (volume.getType() == VolumeInfo.TYPE_PUBLIC) {
root.flags |= Root.FLAG_HAS_SETTINGS;
}
if (volume.isVisibleForRead(userId)) {
root.visiblePath = volume.getPathForUser(userId);
} else {
root.visiblePath = null;
}
root.path = volume.getInternalPathForUser(userId);
root.docId = getDocIdForFile(root.path);
} catch (FileNotFoundException e) {
throw new IllegalStateException(e);
}
}
Log.d(TAG, "After updating volumes, found " + mRoots.size() + " active roots");
// Note this affects content://com.android.externalstorage.documents/root/39BD-07C5
// as well as content://com.android.externalstorage.documents/document/*/children,
// so just notify on content://com.android.externalstorage.documents/.
getContext().getContentResolver().notifyChange(BASE_URI, null, false);
}