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Merge "Return inet addr for discoverable printers" into oc-dev

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This commit is contained in:
Philip P. Moltmann
2017-04-07 03:04:12 +00:00
committed by Android (Google) Code Review
parent 53b6f00dc5 7e01895e69
commit 3c002e45dd
16 changed files with 274 additions and 128 deletions
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26
api/system-current.txt
View File

@@ -35610,8 +35610,23 @@ package android.print {
}
public final class PrintManager {
method public void addPrintServiceRecommendationsChangeListener(android.print.PrintManager.PrintServiceRecommendationsChangeListener, android.os.Handler);
method public void addPrintServicesChangeListener(android.print.PrintManager.PrintServicesChangeListener, android.os.Handler);
method public java.util.List<android.print.PrintJob> getPrintJobs();
method public java.util.List<android.printservice.recommendation.RecommendationInfo> getPrintServiceRecommendations();
method public java.util.List<android.printservice.PrintServiceInfo> getPrintServices(int);
method public android.print.PrintJob print(java.lang.String, android.print.PrintDocumentAdapter, android.print.PrintAttributes);
method public void removePrintServiceRecommendationsChangeListener(android.print.PrintManager.PrintServiceRecommendationsChangeListener);
method public void removePrintServicesChangeListener(android.print.PrintManager.PrintServicesChangeListener);
field public static final int ENABLED_SERVICES = 1; // 0x1
}
public static abstract interface PrintManager.PrintServiceRecommendationsChangeListener {
method public abstract void onPrintServiceRecommendationsChanged();
}
public static abstract interface PrintManager.PrintServicesChangeListener {
method public abstract void onPrintServicesChanged();
}
public final class PrinterCapabilitiesInfo implements android.os.Parcelable {
@@ -35740,6 +35755,13 @@ package android.printservice {
field public static final java.lang.String SERVICE_META_DATA = "android.printservice";
}
public final class PrintServiceInfo implements android.os.Parcelable {
method public int describeContents();
method public android.content.ComponentName getComponentName();
method public void writeToParcel(android.os.Parcel, int);
field public static final android.os.Parcelable.Creator<android.printservice.PrintServiceInfo> CREATOR;
}
public abstract class PrinterDiscoverySession {
ctor public PrinterDiscoverySession();
method public final void addPrinters(java.util.List<android.print.PrinterInfo>);
@@ -35762,8 +35784,10 @@ package android.printservice {
package android.printservice.recommendation {
public final class RecommendationInfo implements android.os.Parcelable {
ctor public RecommendationInfo(java.lang.CharSequence, java.lang.CharSequence, int, boolean);
ctor public RecommendationInfo(java.lang.CharSequence, java.lang.CharSequence, java.util.List<java.net.InetAddress>, boolean);
ctor public deprecated RecommendationInfo(java.lang.CharSequence, java.lang.CharSequence, int, boolean);
method public int describeContents();
method public java.util.List<java.net.InetAddress> getDiscoveredPrinters();
method public java.lang.CharSequence getName();
method public int getNumDiscoveredPrinters();
method public java.lang.CharSequence getPackageName();

98
core/java/android/print/PrintManager.java
View File

@@ -18,6 +18,7 @@ package android.print;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.SystemApi;
import android.app.Activity;
import android.app.Application.ActivityLifecycleCallbacks;
import android.content.ComponentName;
@@ -43,8 +44,8 @@ import android.util.ArrayMap;
import android.util.Log;
import com.android.internal.os.SomeArgs;
import com.android.internal.util.Preconditions;
import libcore.io.IoUtils;
import java.lang.ref.WeakReference;
@@ -115,8 +116,6 @@ public final class PrintManager {
private static final boolean DEBUG = false;
private static final int MSG_NOTIFY_PRINT_JOB_STATE_CHANGED = 1;
private static final int MSG_NOTIFY_PRINT_SERVICES_CHANGED = 2;
private static final int MSG_NOTIFY_PRINT_SERVICE_RECOMMENDATIONS_CHANGED = 3;
/**
* Package name of print spooler.
@@ -131,6 +130,7 @@ public final class PrintManager {
* @see #getPrintServices
* @hide
*/
@SystemApi
public static final int ENABLED_SERVICES = 1 << 0;
/**
@@ -221,16 +221,26 @@ public final class PrintManager {
public void onPrintJobStateChanged(PrintJobId printJobId);
}
/** @hide */
/**
* Listen for changes to {@link #getPrintServices(int)}.
*
* @hide
*/
@SystemApi
public interface PrintServicesChangeListener {
/**
* Callback notifying that the print services changed.
*/
public void onPrintServicesChanged();
void onPrintServicesChanged();
}
/** @hide */
/**
* Listen for changes to {@link #getPrintServiceRecommendations()}.
*
* @hide
*/
@SystemApi
public interface PrintServiceRecommendationsChangeListener {
/**
@@ -268,22 +278,6 @@ public final class PrintManager {
}
args.recycle();
} break;
case MSG_NOTIFY_PRINT_SERVICES_CHANGED: {
PrintServicesChangeListenerWrapper wrapper =
(PrintServicesChangeListenerWrapper) message.obj;
PrintServicesChangeListener listener = wrapper.getListener();
if (listener != null) {
listener.onPrintServicesChanged();
}
} break;
case MSG_NOTIFY_PRINT_SERVICE_RECOMMENDATIONS_CHANGED: {
PrintServiceRecommendationsChangeListenerWrapper wrapper =
(PrintServiceRecommendationsChangeListenerWrapper) message.obj;
PrintServiceRecommendationsChangeListener listener = wrapper.getListener();
if (listener != null) {
listener.onPrintServiceRecommendationsChanged();
}
} break;
}
}
};
@@ -325,8 +319,7 @@ public final class PrintManager {
return;
}
if (mPrintJobStateChangeListeners == null) {
mPrintJobStateChangeListeners = new ArrayMap<PrintJobStateChangeListener,
PrintJobStateChangeListenerWrapper>();
mPrintJobStateChangeListeners = new ArrayMap<>();
}
PrintJobStateChangeListenerWrapper wrappedListener =
new PrintJobStateChangeListenerWrapper(listener, mHandler);
@@ -399,7 +392,7 @@ public final class PrintManager {
* @param printerId the id of the printer the icon should be loaded for
* @return the custom icon to be used for the printer or null if the icon is
* not yet available
* @see android.print.PrinterInfo.Builder#setHasCustomPrinterIcon()
* @see android.print.PrinterInfo.Builder#setHasCustomPrinterIcon(boolean)
* @hide
*/
public Icon getCustomPrinterIcon(PrinterId printerId) {
@@ -558,12 +551,21 @@ public final class PrintManager {
* Listen for changes to the installed and enabled print services.
*
* @param listener the listener to add
* @param handler the handler the listener is called back on
*
* @see android.print.PrintManager#getPrintServices
*
* @hide
*/
void addPrintServicesChangeListener(@NonNull PrintServicesChangeListener listener) {
@SystemApi
public void addPrintServicesChangeListener(@NonNull PrintServicesChangeListener listener,
@Nullable Handler handler) {
Preconditions.checkNotNull(listener);
if (handler == null) {
handler = mHandler;
}
if (mService == null) {
Log.w(LOG_TAG, "Feature android.software.print not available");
return;
@@ -572,7 +574,7 @@ public final class PrintManager {
mPrintServicesChangeListeners = new ArrayMap<>();
}
PrintServicesChangeListenerWrapper wrappedListener =
new PrintServicesChangeListenerWrapper(listener, mHandler);
new PrintServicesChangeListenerWrapper(listener, handler);
try {
mService.addPrintServicesChangeListener(wrappedListener, mUserId);
mPrintServicesChangeListeners.put(listener, wrappedListener);
@@ -587,8 +589,11 @@ public final class PrintManager {
* @param listener the listener to remove
*
* @see android.print.PrintManager#getPrintServices
*
* @hide
*/
void removePrintServicesChangeListener(@NonNull PrintServicesChangeListener listener) {
@SystemApi
public void removePrintServicesChangeListener(@NonNull PrintServicesChangeListener listener) {
Preconditions.checkNotNull(listener);
if (mService == null) {
@@ -623,11 +628,12 @@ public final class PrintManager {
*
* @return The print service list or an empty list.
*
* @see #addPrintServicesChangeListener(PrintServicesChangeListener)
* @see #addPrintServicesChangeListener(PrintServicesChangeListener, Handler)
* @see #removePrintServicesChangeListener(PrintServicesChangeListener)
*
* @hide
*/
@SystemApi
public @NonNull List<PrintServiceInfo> getPrintServices(int selectionFlags) {
Preconditions.checkFlagsArgument(selectionFlags, ALL_SERVICES);
@@ -646,13 +652,22 @@ public final class PrintManager {
* Listen for changes to the print service recommendations.
*
* @param listener the listener to add
* @param handler the handler the listener is called back on
*
* @see android.print.PrintManager#getPrintServiceRecommendations
*
* @hide
*/
void addPrintServiceRecommendationsChangeListener(
@NonNull PrintServiceRecommendationsChangeListener listener) {
@SystemApi
public void addPrintServiceRecommendationsChangeListener(
@NonNull PrintServiceRecommendationsChangeListener listener,
@Nullable Handler handler) {
Preconditions.checkNotNull(listener);
if (handler == null) {
handler = mHandler;
}
if (mService == null) {
Log.w(LOG_TAG, "Feature android.software.print not available");
return;
@@ -661,7 +676,7 @@ public final class PrintManager {
mPrintServiceRecommendationsChangeListeners = new ArrayMap<>();
}
PrintServiceRecommendationsChangeListenerWrapper wrappedListener =
new PrintServiceRecommendationsChangeListenerWrapper(listener, mHandler);
new PrintServiceRecommendationsChangeListenerWrapper(listener, handler);
try {
mService.addPrintServiceRecommendationsChangeListener(wrappedListener, mUserId);
mPrintServiceRecommendationsChangeListeners.put(listener, wrappedListener);
@@ -676,8 +691,11 @@ public final class PrintManager {
* @param listener the listener to remove
*
* @see android.print.PrintManager#getPrintServiceRecommendations
*
* @hide
*/
void removePrintServiceRecommendationsChangeListener(
@SystemApi
public void removePrintServiceRecommendationsChangeListener(
@NonNull PrintServiceRecommendationsChangeListener listener) {
Preconditions.checkNotNull(listener);
@@ -715,6 +733,7 @@ public final class PrintManager {
*
* @hide
*/
@SystemApi
public @NonNull List<RecommendationInfo> getPrintServiceRecommendations() {
try {
List<RecommendationInfo> recommendations =
@@ -1349,17 +1368,13 @@ public final class PrintManager {
Handler handler = mWeakHandler.get();
PrintServicesChangeListener listener = mWeakListener.get();
if (handler != null && listener != null) {
handler.obtainMessage(MSG_NOTIFY_PRINT_SERVICES_CHANGED, this).sendToTarget();
handler.post(listener::onPrintServicesChanged);
}
}
public void destroy() {
mWeakListener.clear();
}
public PrintServicesChangeListener getListener() {
return mWeakListener.get();
}
}
/**
@@ -1381,17 +1396,12 @@ public final class PrintManager {
Handler handler = mWeakHandler.get();
PrintServiceRecommendationsChangeListener listener = mWeakListener.get();
if (handler != null && listener != null) {
handler.obtainMessage(MSG_NOTIFY_PRINT_SERVICE_RECOMMENDATIONS_CHANGED,
this).sendToTarget();
handler.post(listener::onPrintServiceRecommendationsChanged);
}
}
public void destroy() {
mWeakListener.clear();
}
public PrintServiceRecommendationsChangeListener getListener() {
return mWeakListener.get();
}
}
}

3
core/java/android/print/PrintServiceRecommendationsLoader.java
View File

@@ -22,6 +22,7 @@ import android.content.Loader;
import android.os.Handler;
import android.os.Message;
import android.printservice.recommendation.RecommendationInfo;
import com.android.internal.util.Preconditions;
import java.util.List;
@@ -77,7 +78,7 @@ public class PrintServiceRecommendationsLoader extends Loader<List<Recommendatio
}
};
mPrintManager.addPrintServiceRecommendationsChangeListener(mListener);
mPrintManager.addPrintServiceRecommendationsChangeListener(mListener, null);
// Immediately deliver a result
deliverResult(mPrintManager.getPrintServiceRecommendations());

3
core/java/android/print/PrintServicesLoader.java
View File

@@ -22,6 +22,7 @@ import android.content.Loader;
import android.os.Handler;
import android.os.Message;
import android.printservice.PrintServiceInfo;
import com.android.internal.util.Preconditions;
import java.util.List;
@@ -82,7 +83,7 @@ public class PrintServicesLoader extends Loader<List<PrintServiceInfo>> {
}
};
mPrintManager.addPrintServicesChangeListener(mListener);
mPrintManager.addPrintServicesChangeListener(mListener, null);
// Immediately deliver a result
deliverResult(mPrintManager.getPrintServices(mSelectionFlags));

24
core/java/android/printservice/PrintServiceInfo.java
View File

@@ -17,6 +17,7 @@
package android.printservice;
import android.annotation.NonNull;
import android.annotation.SystemApi;
import android.content.ComponentName;
import android.content.Context;
import android.content.pm.PackageManager;
@@ -47,6 +48,7 @@ import java.io.IOException;
*
* @hide
*/
@SystemApi
public final class PrintServiceInfo implements Parcelable {
private static final String LOG_TAG = PrintServiceInfo.class.getSimpleName();
@@ -86,6 +88,8 @@ public final class PrintServiceInfo implements Parcelable {
* @param settingsActivityName Optional settings activity name.
* @param addPrintersActivityName Optional add printers activity name.
* @param advancedPrintOptionsActivityName Optional advanced print options activity.
*
* @hide
*/
public PrintServiceInfo(ResolveInfo resolveInfo, String settingsActivityName,
String addPrintersActivityName, String advancedPrintOptionsActivityName) {
@@ -110,11 +114,13 @@ public final class PrintServiceInfo implements Parcelable {
/**
* Creates a new instance.
*
* @param resolveInfo The service resolve info.
* @param context Context for accessing resources.
* @param resolveInfo The service resolve info.
* @return The created instance.
*
* @hide
*/
public static PrintServiceInfo create(ResolveInfo resolveInfo, Context context) {
public static PrintServiceInfo create(Context context, ResolveInfo resolveInfo) {
String settingsActivityName = null;
String addPrintersActivityName = null;
String advancedPrintOptionsActivityName = null;
@@ -177,6 +183,8 @@ public final class PrintServiceInfo implements Parcelable {
* </p>
*
* @return The id.
*
* @hide
*/
public String getId() {
return mId;
@@ -186,6 +194,8 @@ public final class PrintServiceInfo implements Parcelable {
* If the service was enabled when it was read from the system.
*
* @return The id.
*
* @hide
*/
public boolean isEnabled() {
return mIsEnabled;
@@ -195,6 +205,8 @@ public final class PrintServiceInfo implements Parcelable {
* Mark a service as enabled or not
*
* @param isEnabled If the service should be marked as enabled.
*
* @hide
*/
public void setIsEnabled(boolean isEnabled) {
mIsEnabled = isEnabled;
@@ -204,6 +216,8 @@ public final class PrintServiceInfo implements Parcelable {
* The service {@link ResolveInfo}.
*
* @return The info.
*
* @hide
*/
public ResolveInfo getResolveInfo() {
return mResolveInfo;
@@ -217,6 +231,8 @@ public final class PrintServiceInfo implements Parcelable {
* </p>
*
* @return The settings activity name.
*
* @hide
*/
public String getSettingsActivityName() {
return mSettingsActivityName;
@@ -230,6 +246,8 @@ public final class PrintServiceInfo implements Parcelable {
* </p>
*
* @return The add printers activity name.
*
* @hide
*/
public String getAddPrintersActivityName() {
return mAddPrintersActivityName;
@@ -243,6 +261,8 @@ public final class PrintServiceInfo implements Parcelable {
* </p>
*
* @return The advanced print options activity name.
*
* @hide
*/
public String getAdvancedOptionsActivityName() {
return mAdvancedPrintOptionsActivityName;

82
core/java/android/printservice/recommendation/RecommendationInfo.java
View File

@@ -22,8 +22,14 @@ import android.annotation.SystemApi;
import android.os.Parcel;
import android.os.Parcelable;
import android.printservice.PrintService;
import com.android.internal.util.Preconditions;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.List;
/**
* A recommendation to install a {@link PrintService print service}.
*
@@ -37,8 +43,8 @@ public final class RecommendationInfo implements Parcelable {
/** Display name of the print service. */
private @NonNull final CharSequence mName;
/** Number of printers the print service would discover if installed. */
private @IntRange(from = 0) final int mNumDiscoveredPrinters;
/** Printers the print service would discover if installed. */
@NonNull private final List<InetAddress> mDiscoveredPrinters;
/** If the service detects printer from multiple vendors. */
private final boolean mRecommendsMultiVendorService;
@@ -48,18 +54,62 @@ public final class RecommendationInfo implements Parcelable {
*
* @param packageName Package name of the print service
* @param name Display name of the print service
* @param numDiscoveredPrinters Number of printers the print service would discover if
* installed
* @param discoveredPrinters The {@link InetAddress addresses} of the discovered
* printers. Cannot be null or empty.
* @param recommendsMultiVendorService If the service detects printer from multiple vendor
*/
public RecommendationInfo(@NonNull CharSequence packageName, @NonNull CharSequence name,
@IntRange(from = 0) int numDiscoveredPrinters, boolean recommendsMultiVendorService) {
@NonNull List<InetAddress> discoveredPrinters, boolean recommendsMultiVendorService) {
mPackageName = Preconditions.checkStringNotEmpty(packageName);
mName = Preconditions.checkStringNotEmpty(name);
mNumDiscoveredPrinters = Preconditions.checkArgumentNonnegative(numDiscoveredPrinters);
mDiscoveredPrinters = Preconditions.checkCollectionElementsNotNull(discoveredPrinters,
"discoveredPrinters");
mRecommendsMultiVendorService = recommendsMultiVendorService;
}
/**
* Create a new recommendation.
*
* @param packageName Package name of the print service
* @param name Display name of the print service
* @param numDiscoveredPrinters Number of printers the print service would discover if
* installed
* @param recommendsMultiVendorService If the service detects printer from multiple vendor
*
* @deprecated Use {@link RecommendationInfo(String, String, List<InetAddress>, boolean)}
* instead
*/
@Deprecated
public RecommendationInfo(@NonNull CharSequence packageName, @NonNull CharSequence name,
@IntRange(from = 0) int numDiscoveredPrinters, boolean recommendsMultiVendorService) {
throw new IllegalArgumentException("This constructor has been deprecated");
}
/**
* Read a list of blobs from the parcel and return it as a list of {@link InetAddress
* addresses}.
*
* @param parcel the parcel to read the blobs from
*
* @return The list of {@link InetAddress addresses} or null if no printers were found.
*
* @see #writeToParcel(Parcel, int)
*/
@NonNull private static ArrayList<InetAddress> readDiscoveredPrinters(@NonNull Parcel parcel) {
int numDiscoveredPrinters = parcel.readInt();
ArrayList<InetAddress> discoveredPrinters = new ArrayList<>(numDiscoveredPrinters);
for (int i = 0; i < numDiscoveredPrinters; i++) {
try {
discoveredPrinters.add(InetAddress.getByAddress(parcel.readBlob()));
} catch (UnknownHostException e) {
throw new IllegalArgumentException(e);
}
}
return discoveredPrinters;
}
/**
* Create a new recommendation from a parcel.
*
@@ -68,7 +118,7 @@ public final class RecommendationInfo implements Parcelable {
* @see #CREATOR
*/
private RecommendationInfo(@NonNull Parcel parcel) {
this(parcel.readCharSequence(), parcel.readCharSequence(), parcel.readInt(),
this(parcel.readCharSequence(), parcel.readCharSequence(), readDiscoveredPrinters(parcel),
parcel.readByte() != 0);
}
@@ -86,11 +136,18 @@ public final class RecommendationInfo implements Parcelable {
return mRecommendsMultiVendorService;
}
/**
* @return The {@link InetAddress address} of the printers the print service would detect.
*/
@NonNull public List<InetAddress> getDiscoveredPrinters() {
return mDiscoveredPrinters;
}
/**
* @return The number of printer the print service would detect.
*/
public int getNumDiscoveredPrinters() {
return mNumDiscoveredPrinters;
return mDiscoveredPrinters.size();
}
/**
@@ -109,7 +166,14 @@ public final class RecommendationInfo implements Parcelable {
public void writeToParcel(Parcel dest, int flags) {
dest.writeCharSequence(mPackageName);
dest.writeCharSequence(mName);
dest.writeInt(mNumDiscoveredPrinters);
int numDiscoveredPrinters = mDiscoveredPrinters.size();
dest.writeInt(numDiscoveredPrinters);
for (InetAddress printer : mDiscoveredPrinters) {
dest.writeBlob(printer.getAddress());
}
dest.writeByte((byte) (mRecommendsMultiVendorService ? 1 : 0));
}

9
packages/PrintRecommendationService/src/com/android/printservice/recommendation/PrintServicePlugin.java
View File

@@ -16,10 +16,13 @@
package com.android.printservice.recommendation;
import android.annotation.IntRange;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.StringRes;
import java.net.InetAddress;
import java.util.List;
/**
* Interface to be implemented by each print service plugin.
* <p/>
@@ -35,9 +38,9 @@ public interface PrintServicePlugin {
/**
* Announce that something changed and the UI for this plugin should be updated.
*
* @param numDiscoveredPrinters The number of printers discovered.
* @param discoveredPrinters The printers discovered.
*/
void onChanged(@IntRange(from = 0) int numDiscoveredPrinters);
void onChanged(@Nullable List<InetAddress> discoveredPrinters);
}
/**

13
packages/PrintRecommendationService/src/com/android/printservice/recommendation/RecommendationServiceImpl.java
View File

@@ -17,20 +17,24 @@
package com.android.printservice.recommendation;
import android.content.res.Configuration;
import android.printservice.PrintService;
import android.printservice.recommendation.RecommendationInfo;
import android.printservice.recommendation.RecommendationService;
import android.printservice.PrintService;
import android.util.Log;
import com.android.printservice.recommendation.plugin.hp.HPRecommendationPlugin;
import com.android.printservice.recommendation.plugin.mdnsFilter.MDNSFilterPlugin;
import com.android.printservice.recommendation.plugin.mdnsFilter.VendorConfig;
import com.android.printservice.recommendation.plugin.mopria.MopriaRecommendationPlugin;
import com.android.printservice.recommendation.plugin.samsung.SamsungRecommendationPlugin;
import com.android.printservice.recommendation.plugin.xerox.XeroxPrintServiceRecommendationPlugin;
import org.xmlpull.v1.XmlPullParserException;
import java.io.IOException;
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.List;
/**
* Service that recommends {@link PrintService print services} that might be a good idea to install.
@@ -129,12 +133,11 @@ public class RecommendationServiceImpl extends RecommendationService
RemotePrintServicePlugin plugin = mPlugins.get(i);
try {
int numPrinters = plugin.getNumPrinters();
List<InetAddress> printers = plugin.getPrinters();
if (numPrinters > 0) {
if (!printers.isEmpty()) {
recommendations.add(new RecommendationInfo(plugin.packageName,
getString(plugin.name), numPrinters,
plugin.recommendsMultiVendorService));
getString(plugin.name), printers, plugin.recommendsMultiVendorService));
}
} catch (Exception e) {
Log.e(LOG_TAG, "Could not read state of plugin for " + plugin.packageName, e);

35
packages/PrintRecommendationService/src/com/android/printservice/recommendation/RemotePrintServicePlugin.java
View File

@@ -16,11 +16,16 @@
package com.android.printservice.recommendation;
import android.annotation.IntRange;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.StringRes;
import com.android.internal.util.Preconditions;
import java.net.InetAddress;
import java.util.Collections;
import java.util.List;
/**
* Wrapper for a {@link PrintServicePlugin}, isolating issues with the plugin as good as possible
* from the {@link RecommendationServiceImpl service}.
@@ -41,13 +46,13 @@ class RemotePrintServicePlugin implements PrintServicePlugin.PrinterDiscoveryCal
/** Wrapped plugin */
private final @NonNull PrintServicePlugin mPlugin;
/** The number of printers discovered by the plugin */
private @IntRange(from = 0) int mNumPrinters;
/** The printers discovered by the plugin */
private @NonNull List<InetAddress> mPrinters;
/** If the plugin is started by not yet stopped */
private boolean isRunning;
/** Listener for changes to {@link #mNumPrinters}. */
/** Listener for changes to {@link #mPrinters}. */
private @NonNull OnChangedListener mListener;
/**
@@ -65,6 +70,8 @@ class RemotePrintServicePlugin implements PrintServicePlugin.PrinterDiscoveryCal
throws PluginException {
mListener = listener;
mPlugin = plugin;
mPrinters = Collections.emptyList();
this.recommendsMultiVendorService = recommendsMultiVendorService;
// We handle any throwable to isolate our self from bugs in the plugin code.
@@ -116,26 +123,28 @@ class RemotePrintServicePlugin implements PrintServicePlugin.PrinterDiscoveryCal
*
* @return The number of printers reported by the stub.
*/
public @IntRange(from = 0) int getNumPrinters() {
return mNumPrinters;
public @NonNull List<InetAddress> getPrinters() {
return mPrinters;
}
@Override
public void onChanged(@IntRange(from = 0) int numDiscoveredPrinters) {
public void onChanged(@Nullable List<InetAddress> discoveredPrinters) {
synchronized (mLock) {
Preconditions.checkState(isRunning);
mNumPrinters = Preconditions.checkArgumentNonnegative(numDiscoveredPrinters,
"numDiscoveredPrinters");
if (mNumPrinters > 0) {
mListener.onChanged();
if (discoveredPrinters == null) {
mPrinters = Collections.emptyList();
} else {
mPrinters = Preconditions.checkCollectionElementsNotNull(discoveredPrinters,
"discoveredPrinters");
}
mListener.onChanged();
}
}
/**
* Listener to listen for changes to {@link #getNumPrinters}
* Listener to listen for changes to {@link #getPrinters}
*/
public interface OnChangedListener {
void onChanged();

25
packages/PrintRecommendationService/src/com/android/printservice/recommendation/plugin/hp/ServiceListener.java
View File

@@ -21,17 +21,17 @@ import android.content.res.TypedArray;
import android.net.nsd.NsdManager;
import android.net.nsd.NsdServiceInfo;
import android.text.TextUtils;
import android.util.Pair;
import com.android.printservice.recommendation.R;
import com.android.printservice.recommendation.util.DiscoveryListenerMultiplexer;
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import com.android.printservice.recommendation.R;
import com.android.printservice.recommendation.util.DiscoveryListenerMultiplexer;
public class ServiceListener implements ServiceResolveQueue.ResolveCallback {
private final NsdManager mNSDManager;
@@ -176,11 +176,18 @@ public class ServiceListener implements ServiceResolveQueue.ResolveCallback {
mListeners.clear();
}
public Pair<Integer, Integer> getCount() {
int count = 0;
for (PrinterHashMap map : mVendorHashMap.values()) {
count += map.size();
/**
* @return The {@link InetAddress addresses} of the discovered printers
*/
public ArrayList<InetAddress> getPrinters() {
ArrayList<InetAddress> printerAddressess = new ArrayList<>();
for (PrinterHashMap oneVendorPrinters : mVendorHashMap.values()) {
for (NsdServiceInfo printer : oneVendorPrinters.values()) {
printerAddressess.add(printer.getHost());
}
}
return Pair.create(mVendorHashMap.size(), count);
return printerAddressess;
}
}

12
packages/PrintRecommendationService/src/com/android/printservice/recommendation/plugin/hp/ServiceRecommendationPlugin.java
View File

@@ -16,13 +16,17 @@
package com.android.printservice.recommendation.plugin.hp;
import android.annotation.NonNull;
import android.content.Context;
import android.net.nsd.NsdManager;
import android.net.nsd.NsdServiceInfo;
import android.annotation.NonNull;
import android.text.TextUtils;
import com.android.printservice.recommendation.PrintServicePlugin;
import java.net.InetAddress;
import java.util.ArrayList;
public abstract class ServiceRecommendationPlugin implements PrintServicePlugin, ServiceListener.Observer {
protected static final String PDL_ATTRIBUTE = "pdl";
@@ -71,7 +75,7 @@ public abstract class ServiceRecommendationPlugin implements PrintServicePlugin,
@Override
public void dataSetChanged() {
synchronized (mLock) {
if (mCallback != null) mCallback.onChanged(getCount());
if (mCallback != null) mCallback.onChanged(getPrinters());
}
}
@@ -80,7 +84,7 @@ public abstract class ServiceRecommendationPlugin implements PrintServicePlugin,
return TextUtils.equals(vendor, mVendorInfo.mVendorID);
}
public int getCount() {
return mListener.getCount().second;
public ArrayList<InetAddress> getPrinters() {
return mListener.getPrinters();
}
}

11
packages/PrintRecommendationService/src/com/android/printservice/recommendation/plugin/mopria/MopriaRecommendationPlugin.java
View File

@@ -20,12 +20,14 @@ package com.android.printservice.recommendation.plugin.mopria;
import android.content.Context;
import android.net.nsd.NsdServiceInfo;
import android.text.TextUtils;
import android.util.Pair;
import com.android.printservice.recommendation.R;
import com.android.printservice.recommendation.plugin.hp.MDnsUtils;
import com.android.printservice.recommendation.plugin.hp.ServiceRecommendationPlugin;
import com.android.printservice.recommendation.plugin.hp.VendorInfo;
import com.android.printservice.recommendation.R;
import java.net.InetAddress;
import java.util.ArrayList;
public class MopriaRecommendationPlugin extends ServiceRecommendationPlugin {
@@ -47,8 +49,7 @@ public class MopriaRecommendationPlugin extends ServiceRecommendationPlugin {
}
@Override
public int getCount() {
Pair<Integer, Integer> count = mListener.getCount();
return ((count.first > 1) ? count.second : 0);
public ArrayList<InetAddress> getPrinters() {
return mListener.getPrinters();
}
}

11
packages/PrintRecommendationService/src/com/android/printservice/recommendation/plugin/xerox/ServiceResolver.java
View File

@@ -19,9 +19,11 @@ import android.content.Context;
import android.net.nsd.NsdManager;
import android.net.nsd.NsdServiceInfo;
import android.text.TextUtils;
import com.android.printservice.recommendation.util.DiscoveryListenerMultiplexer;
import com.android.printservice.recommendation.util.NsdResolveQueue;
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
@@ -192,8 +194,13 @@ class ServiceResolver {
}
}
public int getCount() {
return mPrinterHashMap.size();
public ArrayList<InetAddress> getPrinters() {
ArrayList<InetAddress> printerAddresses = new ArrayList<>();
for (NsdServiceInfo printer : mPrinterHashMap.values()) {
printerAddresses.add(printer.getHost());
}
return printerAddresses;
}
}

12
packages/PrintRecommendationService/src/com/android/printservice/recommendation/plugin/xerox/XeroxPrintServiceRecommendationPlugin.java
View File

@@ -15,11 +15,11 @@
*/
package com.android.printservice.recommendation.plugin.xerox;
import android.annotation.NonNull;
import android.content.Context;
import android.net.nsd.NsdManager;
import android.annotation.NonNull;
import com.android.printservice.recommendation.PrintServicePlugin;
import com.android.printservice.recommendation.PrintServicePlugin;
import com.android.printservice.recommendation.R;
public class XeroxPrintServiceRecommendationPlugin implements PrintServicePlugin, ServiceResolver.Observer {
@@ -69,11 +69,9 @@ public class XeroxPrintServiceRecommendationPlugin implements PrintServicePlugin
@Override
public void dataSetChanged() {
synchronized (mLock) {
if (mDiscoveryCallback != null) mDiscoveryCallback.onChanged(getCount());
if (mDiscoveryCallback != null) {
mDiscoveryCallback.onChanged(mServiceResolver.getPrinters());
}
}
}
public int getCount() {
return mServiceResolver.getCount();
}
}

29
packages/PrintRecommendationService/src/com/android/printservice/recommendation/util/MDNSFilteredDiscovery.java
View File

@@ -15,17 +15,19 @@
*/
package com.android.printservice.recommendation.util;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.content.Context;
import android.net.nsd.NsdManager;
import android.net.nsd.NsdServiceInfo;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.util.Log;
import com.android.internal.annotations.GuardedBy;
import com.android.internal.util.Preconditions;
import com.android.printservice.recommendation.PrintServicePlugin;
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Set;
@@ -54,7 +56,7 @@ public class MDNSFilteredDiscovery implements NsdManager.DiscoveryListener {
/** Printer identifiers of the mPrinters found. */
@GuardedBy("mLock")
private final @NonNull HashSet<String> mPrinters;
private final @NonNull HashSet<InetAddress> mPrinters;
/** Service types discovered by this plugin */
private final @NonNull HashSet<String> mServiceTypes;
@@ -111,7 +113,7 @@ public class MDNSFilteredDiscovery implements NsdManager.DiscoveryListener {
*/
public void start(@NonNull PrintServicePlugin.PrinterDiscoveryCallback callback) {
mCallback = callback;
mCallback.onChanged(mPrinters.size());
mCallback.onChanged(new ArrayList<>(mPrinters));
for (String serviceType : mServiceTypes) {
DiscoveryListenerMultiplexer.addListener(getNDSManager(), serviceType, this);
@@ -122,7 +124,7 @@ public class MDNSFilteredDiscovery implements NsdManager.DiscoveryListener {
* Stop the discovery. This can only return once the plugin is completely finished and cleaned up.
*/
public void stop() {
mCallback.onChanged(0);
mCallback.onChanged(null);
mCallback = null;
for (int i = 0; i < mServiceTypes.size(); ++i) {
@@ -130,14 +132,6 @@ public class MDNSFilteredDiscovery implements NsdManager.DiscoveryListener {
}
}
/**
*
* @return The number of discovered printers
*/
public int getCount() {
return mPrinters.size();
}
@Override
public void onStartDiscoveryFailed(String serviceType, int errorCode) {
Log.w(LOG_TAG, "Failed to start network discovery for type " + serviceType + ": "
@@ -174,9 +168,9 @@ public class MDNSFilteredDiscovery implements NsdManager.DiscoveryListener {
public void onServiceResolved(NsdServiceInfo serviceInfo) {
if (mPrinterFilter.matchesCriteria(serviceInfo)) {
if (mCallback != null) {
boolean added = mPrinters.add(serviceInfo.getHost().getHostAddress());
boolean added = mPrinters.add(serviceInfo.getHost());
if (added) {
mCallback.onChanged(mPrinters.size());
mCallback.onChanged(new ArrayList<>(mPrinters));
}
}
}
@@ -198,11 +192,10 @@ public class MDNSFilteredDiscovery implements NsdManager.DiscoveryListener {
public void onServiceResolved(NsdServiceInfo serviceInfo) {
if (mPrinterFilter.matchesCriteria(serviceInfo)) {
if (mCallback != null) {
boolean removed = mPrinters
.remove(serviceInfo.getHost().getHostAddress());
boolean removed = mPrinters.remove(serviceInfo.getHost());
if (removed) {
mCallback.onChanged(mPrinters.size());
mCallback.onChanged(new ArrayList<>(mPrinters));
}
}
}

9
services/print/java/com/android/server/print/UserState.java
View File

@@ -45,17 +45,17 @@ import android.os.RemoteException;
import android.os.UserHandle;
import android.print.IPrintDocumentAdapter;
import android.print.IPrintJobStateChangeListener;
import android.printservice.recommendation.IRecommendationsChangeListener;
import android.print.IPrintServicesChangeListener;
import android.print.IPrinterDiscoveryObserver;
import android.print.PrintAttributes;
import android.print.PrintJobId;
import android.print.PrintJobInfo;
import android.print.PrintManager;
import android.printservice.recommendation.RecommendationInfo;
import android.print.PrinterId;
import android.print.PrinterInfo;
import android.printservice.PrintServiceInfo;
import android.printservice.recommendation.IRecommendationsChangeListener;
import android.printservice.recommendation.RecommendationInfo;
import android.provider.DocumentsContract;
import android.provider.Settings;
import android.text.TextUtils;
@@ -72,8 +72,9 @@ import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
import com.android.internal.os.BackgroundThread;
import com.android.internal.os.SomeArgs;
import com.android.server.print.RemotePrintService.PrintServiceCallbacks;
import com.android.server.print.RemotePrintServiceRecommendationService
.RemotePrintServiceRecommendationServiceCallbacks;
import com.android.server.print.RemotePrintSpooler.PrintSpoolerCallbacks;
import com.android.server.print.RemotePrintServiceRecommendationService.RemotePrintServiceRecommendationServiceCallbacks;
import java.io.FileDescriptor;
import java.io.PrintWriter;
@@ -882,7 +883,7 @@ final class UserState implements PrintSpoolerCallbacks, PrintServiceCallbacks,
+ android.Manifest.permission.BIND_PRINT_SERVICE);
continue;
}
tempPrintServices.add(PrintServiceInfo.create(installedService, mContext));
tempPrintServices.add(PrintServiceInfo.create(mContext, installedService));
}
mInstalledServices.clear();