public List<PrintJobInfo> getPrintJobInfos(ComponentName componentName, int state, int appId) {
List<PrintJobInfo> foundPrintJobs = null;
synchronized (mLock) {
final int printJobCount = mPrintJobs.size();
for (int i = 0; i < printJobCount; i++) {
PrintJobInfo printJob = mPrintJobs.get(i);
PrinterId printerId = printJob.getPrinterId();
final boolean sameComponent =
(componentName == null
|| (printerId != null && componentName.equals(printerId.getServiceName())));
final boolean sameAppId = appId == PrintManager.APP_ID_ANY || printJob.getAppId() == appId;
final boolean sameState =
(state == printJob.getState())
|| (state == PrintJobInfo.STATE_ANY)
|| (state == PrintJobInfo.STATE_ANY_VISIBLE_TO_CLIENTS
&& isStateVisibleToUser(printJob.getState()))
|| (state == PrintJobInfo.STATE_ANY_ACTIVE && isActiveState(printJob.getState()))
|| (state == PrintJobInfo.STATE_ANY_SCHEDULED
&& isScheduledState(printJob.getState()));
if (sameComponent && sameAppId && sameState) {
if (foundPrintJobs == null) {
foundPrintJobs = new ArrayList<>();
}
foundPrintJobs.add(printJob);
}
}
}
return foundPrintJobs;
}
public PrintJobInfo getPrintJobInfo(PrintJobId printJobId, int appId) {
synchronized (mLock) {
final int printJobCount = mPrintJobs.size();
for (int i = 0; i < printJobCount; i++) {
PrintJobInfo printJob = mPrintJobs.get(i);
if (printJob.getId().equals(printJobId)
&& (appId == PrintManager.APP_ID_ANY || appId == printJob.getAppId())) {
return printJob;
}
}
return null;
}
}
private void doWriteStateLocked() {
if (DEBUG_PERSISTENCE) {
Log.i(LOG_TAG, "[PERSIST START]");
}
FileOutputStream out = null;
try {
out = mStatePersistFile.startWrite();
XmlSerializer serializer = new FastXmlSerializer();
serializer.setOutput(out, "utf-8");
serializer.startDocument(null, true);
serializer.startTag(null, TAG_SPOOLER);
List<PrintJobInfo> printJobs = mPrintJobs;
final int printJobCount = printJobs.size();
for (int j = 0; j < printJobCount; j++) {
PrintJobInfo printJob = printJobs.get(j);
if (!shouldPersistPrintJob(printJob)) {
continue;
}
serializer.startTag(null, TAG_JOB);
serializer.attribute(null, ATTR_ID, printJob.getId().flattenToString());
serializer.attribute(null, ATTR_LABEL, printJob.getLabel().toString());
serializer.attribute(null, ATTR_STATE, String.valueOf(printJob.getState()));
serializer.attribute(null, ATTR_APP_ID, String.valueOf(printJob.getAppId()));
String tag = printJob.getTag();
if (tag != null) {
serializer.attribute(null, ATTR_TAG, tag);
}
serializer.attribute(
null, ATTR_CREATION_TIME, String.valueOf(printJob.getCreationTime()));
serializer.attribute(null, ATTR_COPIES, String.valueOf(printJob.getCopies()));
String printerName = printJob.getPrinterName();
if (!TextUtils.isEmpty(printerName)) {
serializer.attribute(null, ATTR_PRINTER_NAME, printerName);
}
String stateReason = printJob.getStateReason();
if (!TextUtils.isEmpty(stateReason)) {
serializer.attribute(null, ATTR_STATE_REASON, stateReason);
}
serializer.attribute(null, ATTR_CANCELLING, String.valueOf(printJob.isCancelling()));
PrinterId printerId = printJob.getPrinterId();
if (printerId != null) {
serializer.startTag(null, TAG_PRINTER_ID);
serializer.attribute(null, ATTR_LOCAL_ID, printerId.getLocalId());
serializer.attribute(
null, ATTR_SERVICE_NAME, printerId.getServiceName().flattenToString());
serializer.endTag(null, TAG_PRINTER_ID);
}
PageRange[] pages = printJob.getPages();
if (pages != null) {
for (int i = 0; i < pages.length; i++) {
serializer.startTag(null, TAG_PAGE_RANGE);
serializer.attribute(null, ATTR_START, String.valueOf(pages[i].getStart()));
serializer.attribute(null, ATTR_END, String.valueOf(pages[i].getEnd()));
serializer.endTag(null, TAG_PAGE_RANGE);
}
}
PrintAttributes attributes = printJob.getAttributes();
if (attributes != null) {
serializer.startTag(null, TAG_ATTRIBUTES);
final int colorMode = attributes.getColorMode();
serializer.attribute(null, ATTR_COLOR_MODE, String.valueOf(colorMode));
MediaSize mediaSize = attributes.getMediaSize();
if (mediaSize != null) {
serializer.startTag(null, TAG_MEDIA_SIZE);
serializer.attribute(null, ATTR_ID, mediaSize.getId());
serializer.attribute(null, ATTR_WIDTH_MILS, String.valueOf(mediaSize.getWidthMils()));
serializer.attribute(
null, ATTR_HEIGHT_MILS, String.valueOf(mediaSize.getHeightMils()));
// We prefer to store only the package name and
// resource id and fallback to the label.
if (!TextUtils.isEmpty(mediaSize.mPackageName) && mediaSize.mLabelResId > 0) {
serializer.attribute(null, ATTR_PACKAGE_NAME, mediaSize.mPackageName);
serializer.attribute(
null, ATTR_LABEL_RES_ID, String.valueOf(mediaSize.mLabelResId));
} else {
serializer.attribute(null, ATTR_LABEL, mediaSize.getLabel(getPackageManager()));
}
serializer.endTag(null, TAG_MEDIA_SIZE);
}
Resolution resolution = attributes.getResolution();
if (resolution != null) {
serializer.startTag(null, TAG_RESOLUTION);
serializer.attribute(null, ATTR_ID, resolution.getId());
serializer.attribute(
null, ATTR_HORIZONTAL_DPI, String.valueOf(resolution.getHorizontalDpi()));
serializer.attribute(
null, ATTR_VERTICAL_DPI, String.valueOf(resolution.getVerticalDpi()));
serializer.attribute(null, ATTR_LABEL, resolution.getLabel());
serializer.endTag(null, TAG_RESOLUTION);
}
Margins margins = attributes.getMinMargins();
if (margins != null) {
serializer.startTag(null, TAG_MARGINS);
serializer.attribute(null, ATTR_LEFT_MILS, String.valueOf(margins.getLeftMils()));
serializer.attribute(null, ATTR_TOP_MILS, String.valueOf(margins.getTopMils()));
serializer.attribute(null, ATTR_RIGHT_MILS, String.valueOf(margins.getRightMils()));
serializer.attribute(null, ATTR_BOTTOM_MILS, String.valueOf(margins.getBottomMils()));
serializer.endTag(null, TAG_MARGINS);
}
serializer.endTag(null, TAG_ATTRIBUTES);
}
PrintDocumentInfo documentInfo = printJob.getDocumentInfo();
if (documentInfo != null) {
serializer.startTag(null, TAG_DOCUMENT_INFO);
serializer.attribute(null, ATTR_NAME, documentInfo.getName());
serializer.attribute(
null, ATTR_CONTENT_TYPE, String.valueOf(documentInfo.getContentType()));
serializer.attribute(
null, ATTR_PAGE_COUNT, String.valueOf(documentInfo.getPageCount()));
serializer.attribute(null, ATTR_DATA_SIZE, String.valueOf(documentInfo.getDataSize()));
serializer.endTag(null, TAG_DOCUMENT_INFO);
}
Bundle advancedOptions = printJob.getAdvancedOptions();
if (advancedOptions != null) {
serializer.startTag(null, TAG_ADVANCED_OPTIONS);
for (String key : advancedOptions.keySet()) {
Object value = advancedOptions.get(key);
if (value instanceof String) {
String stringValue = (String) value;
serializer.startTag(null, TAG_ADVANCED_OPTION);
serializer.attribute(null, ATTR_KEY, key);
serializer.attribute(null, ATTR_TYPE, TYPE_STRING);
serializer.attribute(null, ATTR_VALUE, stringValue);
serializer.endTag(null, TAG_ADVANCED_OPTION);
} else if (value instanceof Integer) {
String intValue = Integer.toString((Integer) value);
serializer.startTag(null, TAG_ADVANCED_OPTION);
serializer.attribute(null, ATTR_KEY, key);
serializer.attribute(null, ATTR_TYPE, TYPE_INT);
serializer.attribute(null, ATTR_VALUE, intValue);
serializer.endTag(null, TAG_ADVANCED_OPTION);
}
}
serializer.endTag(null, TAG_ADVANCED_OPTIONS);
}
serializer.endTag(null, TAG_JOB);
if (DEBUG_PERSISTENCE) {
Log.i(LOG_TAG, "[PERSISTED] " + printJob);
}
}
serializer.endTag(null, TAG_SPOOLER);
serializer.endDocument();
mStatePersistFile.finishWrite(out);
if (DEBUG_PERSISTENCE) {
Log.i(LOG_TAG, "[PERSIST END]");
}
} catch (IOException e) {
Slog.w(LOG_TAG, "Failed to write state, restoring backup.", e);
mStatePersistFile.failWrite(out);
} finally {
IoUtils.closeQuietly(out);
}
}