Extract InputSettingsObserver from InputManagerService
The code to observe settings changes and pass them down the stack is quite bulky and repetitive. Extracting it to a separate class makes InputManagerService a little less unwieldy, and we can refactor it a bit to use a map of observers to make the code less verbose. Bug: 251196347 Test: atest inputflinger_tests Test: change settings values and check the changes are applied Change-Id: Ic94b311aed7281aedd86fc6dffbe56104cf90297
This commit is contained in:
Harry Cutts
@@ -32,7 +32,6 @@ import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.content.pm.PackageManager;
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import android.database.ContentObserver;
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import android.graphics.PointF;
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import android.hardware.SensorPrivacyManager;
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import android.hardware.SensorPrivacyManager.Sensors;
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@@ -78,8 +77,6 @@ import android.os.VibrationEffect;
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import android.os.vibrator.StepSegment;
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import android.os.vibrator.VibrationEffectSegment;
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import android.provider.DeviceConfig;
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import android.provider.Settings;
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import android.provider.Settings.SettingNotFoundException;
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import android.text.TextUtils;
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import android.util.ArrayMap;
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import android.util.IndentingPrintWriter;
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@@ -147,8 +144,6 @@ public class InputManagerService extends IInputManager.Stub
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private static final String EXCLUDED_DEVICES_PATH = "etc/excluded-input-devices.xml";
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private static final String PORT_ASSOCIATIONS_PATH = "etc/input-port-associations.xml";
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// Feature flag name for the deep press feature
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private static final String DEEP_PRESS_ENABLED = "deep_press_enabled";
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// Feature flag name for the strategy to be used in VelocityTracker
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private static final String VELOCITYTRACKER_STRATEGY_PROPERTY = "velocitytracker_strategy";
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@@ -307,6 +302,9 @@ public class InputManagerService extends IInputManager.Stub
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@GuardedBy("mInputMonitors")
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final Map<IBinder, GestureMonitorSpyWindow> mInputMonitors = new HashMap<>();
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// Watches for settings changes and updates the native side appropriately.
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private final InputSettingsObserver mSettingsObserver;
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// Manages Keyboard layouts for Physical keyboards
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private final KeyboardLayoutManager mKeyboardLayoutManager;
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@@ -428,6 +426,7 @@ public class InputManagerService extends IInputManager.Stub
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mContext = injector.getContext();
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mHandler = new InputManagerHandler(injector.getLooper());
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mNative = injector.getNativeService(this);
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mSettingsObserver = new InputSettingsObserver(mContext, mHandler, mNative);
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mKeyboardLayoutManager = new KeyboardLayoutManager(mContext, mNative, mDataStore,
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injector.getLooper());
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mBatteryController = new BatteryController(mContext, mNative, injector.getLooper());
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@@ -493,39 +492,7 @@ public class InputManagerService extends IInputManager.Stub
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// Add ourselves to the Watchdog monitors.
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Watchdog.getInstance().addMonitor(this);
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registerMousePointerSpeedSettingObserver();
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registerTouchpadPointerSpeedSettingObserver();
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registerTouchpadNaturalScrollingEnabledObserver();
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registerTouchpadTapToClickEnabledObserver();
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registerTouchpadRightClickZoneEnabledObserver();
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registerShowTouchesSettingObserver();
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registerAccessibilityLargePointerSettingObserver();
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registerLongPressTimeoutObserver();
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registerMaximumObscuringOpacityForTouchSettingObserver();
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mContext.registerReceiver(new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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updateMousePointerSpeedFromSettings();
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updateTouchpadPointerSpeedFromSettings();
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updateTouchpadNaturalScrollingEnabledFromSettings();
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updateTouchpadTapToClickEnabledFromSettings();
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updateTouchpadRightClickZoneEnabledFromSettings();
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updateShowTouchesFromSettings();
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updateAccessibilityLargePointerFromSettings();
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updateDeepPressStatusFromSettings("user switched");
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}
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}, new IntentFilter(Intent.ACTION_USER_SWITCHED), null, mHandler);
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updateMousePointerSpeedFromSettings();
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updateTouchpadPointerSpeedFromSettings();
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updateTouchpadNaturalScrollingEnabledFromSettings();
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updateTouchpadTapToClickEnabledFromSettings();
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updateTouchpadRightClickZoneEnabledFromSettings();
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updateShowTouchesFromSettings();
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updateAccessibilityLargePointerFromSettings();
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updateDeepPressStatusFromSettings("just booted");
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updateMaximumObscuringOpacityForTouchFromSettings();
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mSettingsObserver.registerAndUpdate();
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}
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// TODO(BT) Pass in parameter for bluetooth system
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@@ -1349,11 +1316,6 @@ public class InputManagerService extends IInputManager.Stub
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setPointerSpeedUnchecked(speed);
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}
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private void updateMousePointerSpeedFromSettings() {
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int speed = getMousePointerSpeedSetting();
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setPointerSpeedUnchecked(speed);
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}
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private void setPointerSpeedUnchecked(int speed) {
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speed = Math.min(Math.max(speed, InputManager.MIN_POINTER_SPEED),
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InputManager.MAX_POINTER_SPEED);
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@@ -1370,194 +1332,6 @@ public class InputManagerService extends IInputManager.Stub
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properties -> properties.pointerIconVisible = visible);
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}
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private void registerMousePointerSpeedSettingObserver() {
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mContext.getContentResolver().registerContentObserver(
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Settings.System.getUriFor(Settings.System.POINTER_SPEED), true,
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new ContentObserver(mHandler) {
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@Override
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public void onChange(boolean selfChange) {
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updateMousePointerSpeedFromSettings();
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}
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}, UserHandle.USER_ALL);
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}
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private int getMousePointerSpeedSetting() {
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int speed = InputManager.DEFAULT_POINTER_SPEED;
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try {
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speed = Settings.System.getIntForUser(mContext.getContentResolver(),
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Settings.System.POINTER_SPEED, UserHandle.USER_CURRENT);
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} catch (SettingNotFoundException ignored) {
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}
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return speed;
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}
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private void registerTouchpadPointerSpeedSettingObserver() {
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mContext.getContentResolver().registerContentObserver(
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Settings.System.getUriFor(Settings.System.TOUCHPAD_POINTER_SPEED), true,
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new ContentObserver(mHandler) {
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@Override
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public void onChange(boolean selfChange) {
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updateTouchpadPointerSpeedFromSettings();
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}
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}, UserHandle.USER_ALL);
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}
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private void updateTouchpadPointerSpeedFromSettings() {
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int speed = Settings.System.getIntForUser(mContext.getContentResolver(),
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Settings.System.TOUCHPAD_POINTER_SPEED, InputManager.DEFAULT_POINTER_SPEED,
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UserHandle.USER_CURRENT);
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speed = Math.min(Math.max(speed, InputManager.MIN_POINTER_SPEED),
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InputManager.MAX_POINTER_SPEED);
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mNative.setTouchpadPointerSpeed(speed);
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}
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private void registerTouchpadNaturalScrollingEnabledObserver() {
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mContext.getContentResolver().registerContentObserver(
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Settings.System.getUriFor(Settings.System.TOUCHPAD_NATURAL_SCROLLING), true,
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new ContentObserver(mHandler) {
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@Override
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public void onChange(boolean selfChange) {
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updateTouchpadNaturalScrollingEnabledFromSettings();
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}
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}, UserHandle.USER_ALL);
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}
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private void updateTouchpadNaturalScrollingEnabledFromSettings() {
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int setting = Settings.System.getIntForUser(mContext.getContentResolver(),
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Settings.System.TOUCHPAD_NATURAL_SCROLLING, 0, UserHandle.USER_CURRENT);
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mNative.setTouchpadNaturalScrollingEnabled(setting != 0);
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}
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private void registerTouchpadTapToClickEnabledObserver() {
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mContext.getContentResolver().registerContentObserver(
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Settings.System.getUriFor(Settings.System.TOUCHPAD_TAP_TO_CLICK), true,
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new ContentObserver(mHandler) {
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@Override
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public void onChange(boolean selfChange) {
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updateTouchpadTapToClickEnabledFromSettings();
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}
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}, UserHandle.USER_ALL);
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}
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private void updateTouchpadTapToClickEnabledFromSettings() {
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int setting = Settings.System.getIntForUser(mContext.getContentResolver(),
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Settings.System.TOUCHPAD_TAP_TO_CLICK, 0, UserHandle.USER_CURRENT);
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mNative.setTouchpadTapToClickEnabled(setting != 0);
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}
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private void registerTouchpadRightClickZoneEnabledObserver() {
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mContext.getContentResolver().registerContentObserver(
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Settings.System.getUriFor(Settings.System.TOUCHPAD_RIGHT_CLICK_ZONE), true,
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new ContentObserver(mHandler) {
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@Override
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public void onChange(boolean selfChange) {
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updateTouchpadRightClickZoneEnabledFromSettings();
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}
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}, UserHandle.USER_ALL);
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}
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private void updateTouchpadRightClickZoneEnabledFromSettings() {
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int setting = Settings.System.getIntForUser(mContext.getContentResolver(),
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Settings.System.TOUCHPAD_RIGHT_CLICK_ZONE, 0, UserHandle.USER_CURRENT);
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mNative.setTouchpadRightClickZoneEnabled(setting != 0);
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}
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private void updateShowTouchesFromSettings() {
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int setting = getShowTouchesSetting(0);
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mNative.setShowTouches(setting != 0);
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}
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private void registerShowTouchesSettingObserver() {
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mContext.getContentResolver().registerContentObserver(
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Settings.System.getUriFor(Settings.System.SHOW_TOUCHES), true,
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new ContentObserver(mHandler) {
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@Override
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public void onChange(boolean selfChange) {
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updateShowTouchesFromSettings();
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}
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}, UserHandle.USER_ALL);
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}
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private void updateAccessibilityLargePointerFromSettings() {
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final int accessibilityConfig = Settings.Secure.getIntForUser(
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mContext.getContentResolver(), Settings.Secure.ACCESSIBILITY_LARGE_POINTER_ICON,
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0, UserHandle.USER_CURRENT);
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PointerIcon.setUseLargeIcons(accessibilityConfig == 1);
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mNative.reloadPointerIcons();
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}
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private void registerAccessibilityLargePointerSettingObserver() {
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mContext.getContentResolver().registerContentObserver(
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Settings.Secure.getUriFor(Settings.Secure.ACCESSIBILITY_LARGE_POINTER_ICON), true,
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new ContentObserver(mHandler) {
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@Override
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public void onChange(boolean selfChange) {
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updateAccessibilityLargePointerFromSettings();
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}
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}, UserHandle.USER_ALL);
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}
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private void updateDeepPressStatusFromSettings(String reason) {
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// Not using ViewConfiguration.getLongPressTimeout here because it may return a stale value
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final int timeout = Settings.Secure.getIntForUser(mContext.getContentResolver(),
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Settings.Secure.LONG_PRESS_TIMEOUT, ViewConfiguration.DEFAULT_LONG_PRESS_TIMEOUT,
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UserHandle.USER_CURRENT);
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final boolean featureEnabledFlag =
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DeviceConfig.getBoolean(DeviceConfig.NAMESPACE_INPUT_NATIVE_BOOT,
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DEEP_PRESS_ENABLED, true /* default */);
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final boolean enabled =
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featureEnabledFlag && timeout <= ViewConfiguration.DEFAULT_LONG_PRESS_TIMEOUT;
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Log.i(TAG,
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(enabled ? "Enabling" : "Disabling") + " motion classifier because " + reason
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+ ": feature " + (featureEnabledFlag ? "enabled" : "disabled")
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+ ", long press timeout = " + timeout);
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mNative.setMotionClassifierEnabled(enabled);
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}
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private void registerLongPressTimeoutObserver() {
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mContext.getContentResolver().registerContentObserver(
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Settings.Secure.getUriFor(Settings.Secure.LONG_PRESS_TIMEOUT), true,
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new ContentObserver(mHandler) {
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@Override
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public void onChange(boolean selfChange) {
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updateDeepPressStatusFromSettings("timeout changed");
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}
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}, UserHandle.USER_ALL);
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}
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private void registerMaximumObscuringOpacityForTouchSettingObserver() {
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mContext.getContentResolver().registerContentObserver(
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Settings.Global.getUriFor(Settings.Global.MAXIMUM_OBSCURING_OPACITY_FOR_TOUCH),
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/* notifyForDescendants */ true,
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new ContentObserver(mHandler) {
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@Override
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public void onChange(boolean selfChange) {
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updateMaximumObscuringOpacityForTouchFromSettings();
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}
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}, UserHandle.USER_ALL);
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}
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private void updateMaximumObscuringOpacityForTouchFromSettings() {
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InputManager im = Objects.requireNonNull(mContext.getSystemService(InputManager.class));
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final float opacity = im.getMaximumObscuringOpacityForTouch();
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if (opacity < 0 || opacity > 1) {
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Log.e(TAG, "Invalid maximum obscuring opacity " + opacity
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+ ", it should be >= 0 and <= 1, rejecting update.");
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return;
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}
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mNative.setMaximumObscuringOpacityForTouch(opacity);
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}
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private int getShowTouchesSetting(int defaultValue) {
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int result = defaultValue;
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try {
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result = Settings.System.getIntForUser(mContext.getContentResolver(),
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Settings.System.SHOW_TOUCHES, UserHandle.USER_CURRENT);
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} catch (SettingNotFoundException snfe) {
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}
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return result;
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}
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/**
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* Update the display on which the mouse pointer is shown.
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*
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@@ -0,0 +1,181 @@
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/*
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server.input;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.database.ContentObserver;
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import android.hardware.input.InputManager;
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import android.net.Uri;
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import android.os.Handler;
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import android.os.UserHandle;
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import android.provider.DeviceConfig;
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import android.provider.Settings;
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import android.util.Log;
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import android.view.PointerIcon;
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import android.view.ViewConfiguration;
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import java.util.Map;
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import java.util.Objects;
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import java.util.function.Consumer;
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/** Observes settings changes and propagates them to the native side. */
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class InputSettingsObserver extends ContentObserver {
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static final String TAG = "InputManager";
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/** Feature flag name for the deep press feature */
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private static final String DEEP_PRESS_ENABLED = "deep_press_enabled";
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private final Context mContext;
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private final Handler mHandler;
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private final NativeInputManagerService mNative;
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private final Map<Uri, Consumer<String /* reason*/>> mObservers;
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InputSettingsObserver(Context context, Handler handler, NativeInputManagerService nativeIms) {
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super(handler);
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mContext = context;
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mHandler = handler;
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mNative = nativeIms;
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mObservers = Map.ofEntries(
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Map.entry(Settings.System.getUriFor(Settings.System.POINTER_SPEED),
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(reason) -> updateMousePointerSpeed()),
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Map.entry(Settings.System.getUriFor(Settings.System.TOUCHPAD_POINTER_SPEED),
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(reason) -> updateTouchpadPointerSpeed()),
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Map.entry(Settings.System.getUriFor(Settings.System.TOUCHPAD_NATURAL_SCROLLING),
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(reason) -> updateTouchpadNaturalScrollingEnabled()),
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Map.entry(Settings.System.getUriFor(Settings.System.TOUCHPAD_TAP_TO_CLICK),
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(reason) -> updateTouchpadTapToClickEnabled()),
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Map.entry(Settings.System.getUriFor(Settings.System.TOUCHPAD_RIGHT_CLICK_ZONE),
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(reason) -> updateTouchpadRightClickZoneEnabled()),
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Map.entry(Settings.System.getUriFor(Settings.System.SHOW_TOUCHES),
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(reason) -> updateShowTouches()),
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Map.entry(Settings.Secure.getUriFor(Settings.Secure.ACCESSIBILITY_LARGE_POINTER_ICON),
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(reason) -> updateAccessibilityLargePointer()),
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Map.entry(Settings.Secure.getUriFor(Settings.Secure.LONG_PRESS_TIMEOUT),
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(reason) -> updateDeepPressStatus(reason)),
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Map.entry(
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Settings.Global.getUriFor(Settings.Global.MAXIMUM_OBSCURING_OPACITY_FOR_TOUCH),
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(reason) -> updateMaximumObscuringOpacityForTouch()));
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}
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/**
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* Registers observers for input-related settings and updates the input subsystem with their
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* current values.
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*/
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public void registerAndUpdate() {
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for (Uri uri : mObservers.keySet()) {
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mContext.getContentResolver().registerContentObserver(
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uri, true /* notifyForDescendants */, this, UserHandle.USER_ALL);
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}
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mContext.registerReceiver(new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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for (Consumer<String> observer : mObservers.values()) {
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observer.accept("user switched");
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}
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}
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}, new IntentFilter(Intent.ACTION_USER_SWITCHED), null, mHandler);
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for (Consumer<String> observer : mObservers.values()) {
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observer.accept("just booted");
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}
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}
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@Override
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public void onChange(boolean selfChange, Uri uri) {
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mObservers.get(uri).accept("setting changed");
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}
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private boolean getBoolean(String settingName) {
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final int setting = Settings.System.getIntForUser(mContext.getContentResolver(),
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settingName, 0, UserHandle.USER_CURRENT);
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return setting != 0;
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}
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private int getPointerSpeedValue(String settingName) {
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int speed = Settings.System.getIntForUser(mContext.getContentResolver(),
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settingName, InputManager.DEFAULT_POINTER_SPEED, UserHandle.USER_CURRENT);
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return Math.min(Math.max(speed, InputManager.MIN_POINTER_SPEED),
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InputManager.MAX_POINTER_SPEED);
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}
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private void updateMousePointerSpeed() {
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mNative.setPointerSpeed(getPointerSpeedValue(Settings.System.POINTER_SPEED));
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}
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private void updateTouchpadPointerSpeed() {
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mNative.setTouchpadPointerSpeed(
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getPointerSpeedValue(Settings.System.TOUCHPAD_POINTER_SPEED));
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}
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private void updateTouchpadNaturalScrollingEnabled() {
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mNative.setTouchpadNaturalScrollingEnabled(
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getBoolean(Settings.System.TOUCHPAD_NATURAL_SCROLLING));
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}
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private void updateTouchpadTapToClickEnabled() {
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mNative.setTouchpadTapToClickEnabled(getBoolean(Settings.System.TOUCHPAD_TAP_TO_CLICK));
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}
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private void updateTouchpadRightClickZoneEnabled() {
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mNative.setTouchpadRightClickZoneEnabled(
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getBoolean(Settings.System.TOUCHPAD_RIGHT_CLICK_ZONE));
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}
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private void updateShowTouches() {
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mNative.setShowTouches(getBoolean(Settings.System.SHOW_TOUCHES));
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}
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private void updateAccessibilityLargePointer() {
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final int accessibilityConfig = Settings.Secure.getIntForUser(
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mContext.getContentResolver(), Settings.Secure.ACCESSIBILITY_LARGE_POINTER_ICON,
|
||||
0, UserHandle.USER_CURRENT);
|
||||
PointerIcon.setUseLargeIcons(accessibilityConfig == 1);
|
||||
mNative.reloadPointerIcons();
|
||||
}
|
||||
|
||||
private void updateDeepPressStatus(String reason) {
|
||||
// Not using ViewConfiguration.getLongPressTimeout here because it may return a stale value
|
||||
final int timeout = Settings.Secure.getIntForUser(mContext.getContentResolver(),
|
||||
Settings.Secure.LONG_PRESS_TIMEOUT, ViewConfiguration.DEFAULT_LONG_PRESS_TIMEOUT,
|
||||
UserHandle.USER_CURRENT);
|
||||
final boolean featureEnabledFlag =
|
||||
DeviceConfig.getBoolean(DeviceConfig.NAMESPACE_INPUT_NATIVE_BOOT,
|
||||
DEEP_PRESS_ENABLED, true /* default */);
|
||||
final boolean enabled =
|
||||
featureEnabledFlag && timeout <= ViewConfiguration.DEFAULT_LONG_PRESS_TIMEOUT;
|
||||
Log.i(TAG,
|
||||
(enabled ? "Enabling" : "Disabling") + " motion classifier because " + reason
|
||||
+ ": feature " + (featureEnabledFlag ? "enabled" : "disabled")
|
||||
+ ", long press timeout = " + timeout);
|
||||
mNative.setMotionClassifierEnabled(enabled);
|
||||
}
|
||||
|
||||
private void updateMaximumObscuringOpacityForTouch() {
|
||||
InputManager im = Objects.requireNonNull(mContext.getSystemService(InputManager.class));
|
||||
final float opacity = im.getMaximumObscuringOpacityForTouch();
|
||||
if (opacity < 0 || opacity > 1) {
|
||||
Log.e(TAG, "Invalid maximum obscuring opacity " + opacity
|
||||
+ ", it should be >= 0 and <= 1, rejecting update.");
|
||||
return;
|
||||
}
|
||||
mNative.setMaximumObscuringOpacityForTouch(opacity);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user