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Flag guard keyboard backlight controller

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Test: manual
Bug: 245506418
Change-Id: I451192da3a01a0a8f3d2671d7463457df9a14f56
This commit is contained in:
Vaibhav Devmurari
2023-01-11 11:29:30 +00:00
parent 170553978f
commit a0572e7816
2 changed files with 30 additions and 6 deletions
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23
services/core/java/com/android/server/input/InputManagerService.java
View File

@@ -70,6 +70,7 @@ import android.os.RemoteCallbackList;
import android.os.RemoteException;
import android.os.ResultReceiver;
import android.os.ShellCallback;
import android.os.SystemProperties;
import android.os.UserHandle;
import android.os.VibrationEffect;
import android.os.vibrator.StepSegment;
@@ -158,6 +159,11 @@ public class InputManagerService extends IInputManager.Stub
private static final AdditionalDisplayInputProperties
DEFAULT_ADDITIONAL_DISPLAY_INPUT_PROPERTIES = new AdditionalDisplayInputProperties();
// To disable Keyboard backlight control via Framework, run:
// 'adb shell setprop persist.input.keyboard_backlight_control.enabled false' (requires restart)
private static final boolean KEYBOARD_BACKLIGHT_CONTROL_ENABLED = SystemProperties.getBoolean(
"persist.input.keyboard.backlight_control.enabled", true);
private final NativeInputManagerService mNative;
private final Context mContext;
@@ -305,7 +311,7 @@ public class InputManagerService extends IInputManager.Stub
private final BatteryController mBatteryController;
// Manages Keyboard backlight
private final KeyboardBacklightController mKeyboardBacklightController;
private final KeyboardBacklightControllerInterface mKeyboardBacklightController;
// Manages Keyboard modifier keys remapping
private final KeyRemapper mKeyRemapper;
@@ -422,8 +428,10 @@ public class InputManagerService extends IInputManager.Stub
mKeyboardLayoutManager = new KeyboardLayoutManager(mContext, mNative, mDataStore,
injector.getLooper());
mBatteryController = new BatteryController(mContext, mNative, injector.getLooper());
mKeyboardBacklightController = new KeyboardBacklightController(mContext, mNative,
mDataStore, injector.getLooper());
mKeyboardBacklightController =
KEYBOARD_BACKLIGHT_CONTROL_ENABLED ? new KeyboardBacklightController(mContext,
mNative, mDataStore, injector.getLooper())
: new KeyboardBacklightControllerInterface() {};
mKeyRemapper = new KeyRemapper(mContext, mNative, mDataStore, injector.getLooper());
mUseDevInputEventForAudioJack =
@@ -3478,4 +3486,13 @@ public class InputManagerService extends IInputManager.Stub
applyAdditionalDisplayInputPropertiesLocked(properties);
}
}
interface KeyboardBacklightControllerInterface {
default void incrementKeyboardBacklight(int deviceId) {}
default void decrementKeyboardBacklight(int deviceId) {}
default void registerKeyboardBacklightListener(IKeyboardBacklightListener l, int pid) {}
default void unregisterKeyboardBacklightListener(IKeyboardBacklightListener l, int pid) {}
default void systemRunning() {}
default void dump(PrintWriter pw) {}
}
}

13
services/core/java/com/android/server/input/KeyboardBacklightController.java
View File

@@ -47,7 +47,8 @@ import java.util.TreeSet;
* A thread-safe component of {@link InputManagerService} responsible for managing the keyboard
* backlight for supported keyboards.
*/
final class KeyboardBacklightController implements InputManager.InputDeviceListener {
final class KeyboardBacklightController implements
InputManagerService.KeyboardBacklightControllerInterface, InputManager.InputDeviceListener {
private static final String TAG = "KbdBacklightController";
@@ -96,7 +97,8 @@ final class KeyboardBacklightController implements InputManager.InputDeviceListe
mHandler = new Handler(looper, this::handleMessage);
}
void systemRunning() {
@Override
public void systemRunning() {
InputManager inputManager = Objects.requireNonNull(
mContext.getSystemService(InputManager.class));
inputManager.registerInputDeviceListener(this, mHandler);
@@ -106,11 +108,13 @@ final class KeyboardBacklightController implements InputManager.InputDeviceListe
}
}
@Override
public void incrementKeyboardBacklight(int deviceId) {
Message msg = Message.obtain(mHandler, MSG_INCREMENT_KEYBOARD_BACKLIGHT, deviceId);
mHandler.sendMessage(msg);
}
@Override
public void decrementKeyboardBacklight(int deviceId) {
Message msg = Message.obtain(mHandler, MSG_DECREMENT_KEYBOARD_BACKLIGHT, deviceId);
mHandler.sendMessage(msg);
@@ -232,6 +236,7 @@ final class KeyboardBacklightController implements InputManager.InputDeviceListe
/** Register the keyboard backlight listener for a process. */
@BinderThread
@Override
public void registerKeyboardBacklightListener(IKeyboardBacklightListener listener,
int pid) {
synchronized (mKeyboardBacklightListenerRecords) {
@@ -252,6 +257,7 @@ final class KeyboardBacklightController implements InputManager.InputDeviceListe
/** Unregister the keyboard backlight listener for a process. */
@BinderThread
@Override
public void unregisterKeyboardBacklightListener(IKeyboardBacklightListener listener,
int pid) {
synchronized (mKeyboardBacklightListenerRecords) {
@@ -286,7 +292,8 @@ final class KeyboardBacklightController implements InputManager.InputDeviceListe
}
}
void dump(PrintWriter pw) {
@Override
public void dump(PrintWriter pw) {
IndentingPrintWriter ipw = new IndentingPrintWriter(pw);
ipw.println(TAG + ": " + mKeyboardBacklights.size() + " keyboard backlights");
ipw.increaseIndent();