Merge changes from topic "inputdevice-supportsusi"

* changes:
  BatteryController: Only listen to UEvents from power_supply changes
  BatteryController: Remove the /sys prefix when adding UEvent listener
  Determine whether an input device supports USI using IDC files
This commit is contained in:
Prabir Pradhan
2022-10-12 14:36:45 +00:00
committed by Android (Google) Code Review
5 changed files with 64 additions and 28 deletions

View File

@@ -80,6 +80,7 @@ public final class InputDevice implements Parcelable {
private final boolean mHasButtonUnderPad;
private final boolean mHasSensor;
private final boolean mHasBattery;
private final boolean mSupportsUsi;
private final ArrayList<MotionRange> mMotionRanges = new ArrayList<MotionRange>();
@GuardedBy("mMotionRanges")
@@ -462,7 +463,7 @@ public final class InputDevice implements Parcelable {
int productId, String descriptor, boolean isExternal, int sources, int keyboardType,
KeyCharacterMap keyCharacterMap, @InputDeviceCountryCode int countryCode,
boolean hasVibrator, boolean hasMicrophone, boolean hasButtonUnderPad,
boolean hasSensor, boolean hasBattery) {
boolean hasSensor, boolean hasBattery, boolean supportsUsi) {
mId = id;
mGeneration = generation;
mControllerNumber = controllerNumber;
@@ -481,6 +482,7 @@ public final class InputDevice implements Parcelable {
mHasSensor = hasSensor;
mHasBattery = hasBattery;
mIdentifier = new InputDeviceIdentifier(descriptor, vendorId, productId);
mSupportsUsi = supportsUsi;
}
private InputDevice(Parcel in) {
@@ -501,6 +503,7 @@ public final class InputDevice implements Parcelable {
mHasButtonUnderPad = in.readInt() != 0;
mHasSensor = in.readInt() != 0;
mHasBattery = in.readInt() != 0;
mSupportsUsi = in.readInt() != 0;
mIdentifier = new InputDeviceIdentifier(mDescriptor, mVendorId, mProductId);
int numRanges = in.readInt();
@@ -538,6 +541,7 @@ public final class InputDevice implements Parcelable {
private boolean mHasBattery = false;
@InputDeviceCountryCode
private int mCountryCode = InputDeviceCountryCode.INVALID;
private boolean mSupportsUsi = false;
/** @see InputDevice#getId() */
public Builder setId(int id) {
@@ -641,12 +645,18 @@ public final class InputDevice implements Parcelable {
return this;
}
/** @see InputDevice#supportsUsi() () */
public Builder setSupportsUsi(boolean supportsUsi) {
mSupportsUsi = supportsUsi;
return this;
}
/** Build {@link InputDevice}. */
public InputDevice build() {
return new InputDevice(mId, mGeneration, mControllerNumber, mName, mVendorId,
mProductId, mDescriptor, mIsExternal, mSources, mKeyboardType, mKeyCharacterMap,
mCountryCode, mHasVibrator, mHasMicrophone, mHasButtonUnderPad, mHasSensor,
mHasBattery);
mHasBattery, mSupportsUsi);
}
}
@@ -1178,6 +1188,15 @@ public final class InputDevice implements Parcelable {
return mHasBattery;
}
/**
* Reports whether the device supports the Universal Stylus Initiative (USI) protocol for
* styluses.
* @hide
*/
public boolean supportsUsi() {
return mSupportsUsi;
}
/**
* Provides information about the range of values for a particular {@link MotionEvent} axis.
*
@@ -1308,6 +1327,7 @@ public final class InputDevice implements Parcelable {
out.writeInt(mHasButtonUnderPad ? 1 : 0);
out.writeInt(mHasSensor ? 1 : 0);
out.writeInt(mHasBattery ? 1 : 0);
out.writeInt(mSupportsUsi ? 1 : 0);
final int numRanges = mMotionRanges.size();
out.writeInt(numRanges);
@@ -1361,6 +1381,8 @@ public final class InputDevice implements Parcelable {
description.append(" Has mic: ").append(mHasMicrophone).append("\n");
description.append(" Supports USI: ").append(mSupportsUsi).append("\n");
description.append(" Sources: 0x").append(Integer.toHexString(mSources)).append(" (");
appendSourceDescriptionIfApplicable(description, SOURCE_KEYBOARD, "keyboard");
appendSourceDescriptionIfApplicable(description, SOURCE_DPAD, "dpad");

View File

@@ -57,9 +57,6 @@ jobject android_view_InputDevice_create(JNIEnv* env, const InputDeviceInfo& devi
const InputDeviceIdentifier& ident = deviceInfo.getIdentifier();
// Not sure why, but JNI is complaining when I pass this through directly.
jboolean hasMic = deviceInfo.hasMic() ? JNI_TRUE : JNI_FALSE;
ScopedLocalRef<jobject>
inputDeviceObj(env,
env->NewObject(gInputDeviceClassInfo.clazz, gInputDeviceClassInfo.ctor,
@@ -70,8 +67,9 @@ jobject android_view_InputDevice_create(JNIEnv* env, const InputDeviceInfo& devi
deviceInfo.isExternal(), deviceInfo.getSources(),
deviceInfo.getKeyboardType(), kcmObj.get(),
deviceInfo.getCountryCode(), deviceInfo.hasVibrator(),
hasMic, deviceInfo.hasButtonUnderPad(),
deviceInfo.hasSensor(), deviceInfo.hasBattery()));
deviceInfo.hasMic(), deviceInfo.hasButtonUnderPad(),
deviceInfo.hasSensor(), deviceInfo.hasBattery(),
deviceInfo.supportsUsi()));
const std::vector<InputDeviceInfo::MotionRange>& ranges = deviceInfo.getMotionRanges();
for (const InputDeviceInfo::MotionRange& range: ranges) {
@@ -94,7 +92,7 @@ int register_android_view_InputDevice(JNIEnv* env)
gInputDeviceClassInfo.ctor =
GetMethodIDOrDie(env, gInputDeviceClassInfo.clazz, "<init>",
"(IIILjava/lang/String;IILjava/lang/"
"String;ZIILandroid/view/KeyCharacterMap;IZZZZZ)V");
"String;ZIILandroid/view/KeyCharacterMap;IZZZZZZ)V");
gInputDeviceClassInfo.addMotionRange = GetMethodIDOrDie(env, gInputDeviceClassInfo.clazz,
"addMotionRange", "(IIFFFFF)V");

View File

@@ -38,7 +38,7 @@ import android.view.InputDevice;
import com.android.internal.annotations.GuardedBy;
import com.android.internal.annotations.VisibleForTesting;
import com.android.server.input.BatteryController.UEventManager.UEventListener;
import com.android.server.input.BatteryController.UEventManager.UEventBatteryListener;
import java.io.PrintWriter;
import java.util.Arrays;
@@ -438,7 +438,7 @@ final class BatteryController {
private State mState;
@Nullable
private UEventListener mUEventListener;
private UEventBatteryListener mUEventBatteryListener;
DeviceMonitor(int deviceId) {
mState = new State(deviceId);
@@ -473,20 +473,26 @@ final class BatteryController {
return;
}
final int deviceId = mState.deviceId;
mUEventListener = new UEventListener() {
mUEventBatteryListener = new UEventBatteryListener() {
@Override
public void onUEvent(long eventTime) {
public void onBatteryUEvent(long eventTime) {
handleUEventNotification(deviceId, eventTime);
}
};
mUEventManager.addListener(mUEventListener, "DEVPATH=" + batteryPath);
mUEventManager.addListener(
mUEventBatteryListener, "DEVPATH=" + formatDevPath(batteryPath));
}
private String formatDevPath(String path) {
// Remove the "/sys" prefix if it has one.
return path.startsWith("/sys") ? path.substring(4) : path;
}
// This must be called when the device is no longer being monitored.
public void stopMonitoring() {
if (mUEventListener != null) {
mUEventManager.removeListener(mUEventListener);
mUEventListener = null;
if (mUEventBatteryListener != null) {
mUEventManager.removeListener(mUEventBatteryListener);
mUEventBatteryListener = null;
}
}
@@ -498,7 +504,7 @@ final class BatteryController {
@Override
public String toString() {
return "state=" + mState
+ ", uEventListener=" + (mUEventListener != null ? "added" : "none");
+ ", uEventListener=" + (mUEventBatteryListener != null ? "added" : "none");
}
}
@@ -507,7 +513,7 @@ final class BatteryController {
interface UEventManager {
@VisibleForTesting
abstract class UEventListener {
abstract class UEventBatteryListener {
private final UEventObserver mObserver = new UEventObserver() {
@Override
public void onUEvent(UEvent event) {
@@ -517,18 +523,23 @@ final class BatteryController {
"UEventListener: Received UEvent: "
+ event + " eventTime: " + eventTime);
}
UEventListener.this.onUEvent(eventTime);
if (!"CHANGE".equalsIgnoreCase(event.get("ACTION"))
|| !"POWER_SUPPLY".equalsIgnoreCase(event.get("SUBSYSTEM"))) {
// Disregard any UEvents that do not correspond to battery changes.
return;
}
UEventBatteryListener.this.onBatteryUEvent(eventTime);
}
};
public abstract void onUEvent(long eventTime);
public abstract void onBatteryUEvent(long eventTime);
}
default void addListener(UEventListener listener, String match) {
default void addListener(UEventBatteryListener listener, String match) {
listener.mObserver.startObserving(match);
}
default void removeListener(UEventListener listener) {
default void removeListener(UEventBatteryListener listener) {
listener.mObserver.stopObserving();
}
}

View File

@@ -33,6 +33,7 @@ import android.platform.test.annotations.Presubmit
import android.view.InputDevice
import androidx.test.InstrumentationRegistry
import com.android.server.input.BatteryController.UEventManager
import com.android.server.input.BatteryController.UEventManager.UEventBatteryListener
import org.hamcrest.Description
import org.hamcrest.Matcher
import org.hamcrest.MatcherAssert.assertThat
@@ -260,25 +261,28 @@ class BatteryControllerTests {
@Test
fun testListenersNotifiedOnUEventNotification() {
`when`(native.getBatteryDevicePath(DEVICE_ID)).thenReturn("/test/device1")
`when`(native.getBatteryDevicePath(DEVICE_ID)).thenReturn("/sys/dev/test/device1")
`when`(native.getBatteryStatus(DEVICE_ID)).thenReturn(STATUS_CHARGING)
`when`(native.getBatteryCapacity(DEVICE_ID)).thenReturn(78)
val listener = createMockListener()
val uEventListener = ArgumentCaptor.forClass(UEventManager.UEventListener::class.java)
val uEventListener = ArgumentCaptor.forClass(UEventBatteryListener::class.java)
batteryController.registerBatteryListener(DEVICE_ID, listener, PID)
verify(uEventManager).addListener(uEventListener.capture(), eq("DEVPATH=/test/device1"))
// The device paths for UEvent notifications do not include the "/sys" prefix, so verify
// that the added listener is configured to match the path without that prefix.
verify(uEventManager)
.addListener(uEventListener.capture(), eq("DEVPATH=/dev/test/device1"))
listener.verifyNotified(DEVICE_ID, status = STATUS_CHARGING, capacity = 0.78f)
// If the battery state has changed when an UEvent is sent, the listeners are notified.
`when`(native.getBatteryCapacity(DEVICE_ID)).thenReturn(80)
uEventListener.value!!.onUEvent(TIMESTAMP)
uEventListener.value!!.onBatteryUEvent(TIMESTAMP)
listener.verifyNotified(DEVICE_ID, status = STATUS_CHARGING, capacity = 0.80f,
eventTime = TIMESTAMP)
// If the battery state has not changed when an UEvent is sent, the listeners are not
// notified.
clearInvocations(listener)
uEventListener.value!!.onUEvent(TIMESTAMP + 1)
uEventListener.value!!.onBatteryUEvent(TIMESTAMP + 1)
verifyNoMoreInteractions(listener)
batteryController.unregisterBatteryListener(DEVICE_ID, listener, PID)
@@ -293,7 +297,7 @@ class BatteryControllerTests {
`when`(native.getBatteryStatus(DEVICE_ID)).thenReturn(STATUS_CHARGING)
`when`(native.getBatteryCapacity(DEVICE_ID)).thenReturn(78)
val listener = createMockListener()
val uEventListener = ArgumentCaptor.forClass(UEventManager.UEventListener::class.java)
val uEventListener = ArgumentCaptor.forClass(UEventBatteryListener::class.java)
batteryController.registerBatteryListener(DEVICE_ID, listener, PID)
verify(uEventManager).addListener(uEventListener.capture(), eq("DEVPATH=/test/device1"))
listener.verifyNotified(DEVICE_ID, status = STATUS_CHARGING, capacity = 0.78f)

View File

@@ -87,6 +87,7 @@ public class InputDeviceTest {
.setHasSensor(true)
.setHasBattery(true)
.setCountryCode(InputDeviceCountryCode.INTERNATIONAL)
.setSupportsUsi(true)
.build();
Parcel parcel = Parcel.obtain();