Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 0b611159 authored by beanstown106's avatar beanstown106 Committed by Michael Bestas
Browse files

Long-press power while display is off for torch 

Squash of:

Author: beanstown106 <nbenis106@gmail.com>
Date:   Sun Jan 17 09:14:19 2016 -0500
    policy: Long-press power while display is off for torch
    Long-press the power button while the display is off
    to turn the torchlight on and off.
    Credits:
     - Lion0738: The main hooks here:
       https://github.com/lion0738/android_frameworks_base/commit/9af2b7844a4d973c8b6c542d7937f56a24a7e5f1
     - Atlantis: The logic on where to hook into this for power button only
     - Alex Cruz: Helping and giving me some pointers along the way
    Change-Id: I14365389990eb06daaa127f5db66df45abf6c064
    (cherry picked from commit 604f00ce)

Author: Sam Mortimer <sam@mortimer.me.uk>
Date:   Sat Dec 24 13:22:53 2016 -0800
    [1/3] Torch long press power: add auto-off function
    Change-Id: Icdf50082324f8292859f0df8b271e730b02c84e7

Change-Id: I49222892c8fbc8a63af580c763e8987b225b11d2
parent f77fff2e

core/res/LineageManifest.xml

+4 −0
Original line number Diff line number Diff line
@@ -28,4 +28,8 @@ 
    <!-- Used to launch a common app (FlipFlap) for devices with flip cover. -->

    <protected-broadcast android:name="lineageos.intent.action.LID_STATE_CHANGED" />



    <!-- Used for long press power torch feature - automatic turn off on timeout -->

    <protected-broadcast

        android:name="com.android.server.policy.PhoneWindowManager.ACTION_TORCH_OFF" />



</manifest>

services/core/java/com/android/server/policy/PhoneWindowManager.java

+142 −3
Original line number Diff line number Diff line
@@ -124,8 +124,10 @@ import android.app.ActivityManager.StackId; 
import android.app.ActivityManagerInternal;

import android.app.ActivityManagerInternal.SleepToken;

import android.app.ActivityThread;

import android.app.AlarmManager;

import android.app.AppOpsManager;

import android.app.IUiModeManager;

import android.app.PendingIntent;

import android.app.ProgressDialog;

import android.app.SearchManager;

import android.app.StatusBarManager;
@@ -150,6 +152,9 @@ import android.database.ContentObserver; 
import android.graphics.PixelFormat;

import android.graphics.Rect;

import android.graphics.drawable.Drawable;

import android.hardware.camera2.CameraAccessException;

import android.hardware.camera2.CameraCharacteristics;

import android.hardware.camera2.CameraManager;

import android.hardware.display.DisplayManager;

import android.hardware.hdmi.HdmiControlManager;

import android.hardware.hdmi.HdmiPlaybackClient;
@@ -300,6 +305,7 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
    static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;

    static final int LONG_PRESS_POWER_SHUT_OFF = 2;

    static final int LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM = 3;

    static final int LONG_PRESS_POWER_TORCH = 4;



    static final int LONG_PRESS_BACK_NOTHING = 0;

    static final int LONG_PRESS_BACK_GO_TO_VOICE_ASSIST = 1;
@@ -372,6 +378,9 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
    private static final String SYSUI_SCREENSHOT_ERROR_RECEIVER =

            "com.android.systemui.screenshot.ScreenshotServiceErrorReceiver";



    private static final String ACTION_TORCH_OFF =

            "com.android.server.policy.PhoneWindowManager.ACTION_TORCH_OFF";



    /**

     * Keyguard stuff

     */
@@ -433,6 +442,7 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
    AccessibilityManager mAccessibilityManager;

    BurnInProtectionHelper mBurnInProtectionHelper;

    AppOpsManager mAppOpsManager;

    AlarmManager mAlarmManager;

    private boolean mHasFeatureWatch;

    private boolean mHasFeatureLeanback;
@@ -765,6 +775,9 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
    // Whether to support long press from power button in non-interactive mode

    private boolean mSupportLongPressPowerWhenNonInteractive;



    // Power long press action saved on key down that should happen on key up

    private int mResolvedLongPressOnPowerBehavior;



    // Whether to go to sleep entering theater mode from power button

    private boolean mGoToSleepOnButtonPressTheaterMode;
@@ -844,12 +857,20 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
    private static final int MSG_DISPATCH_BACK_KEY_TO_AUTOFILL = 24;

    private static final int MSG_SYSTEM_KEY_PRESS = 25;

    private static final int MSG_HANDLE_ALL_APPS = 26;

    private static final int MSG_TOGGLE_TORCH = 27;



    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS = 0;

    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION = 1;



    private LineageHardwareManager mLineageHardware;



    private CameraManager mCameraManager;

    private String mRearFlashCameraId;

    private boolean mTorchLongPressPowerEnabled;

    private boolean mTorchEnabled;

    private int mTorchTimeout;

    private PendingIntent mTorchOffPendingIntent;



    private class PolicyHandler extends Handler {

        @Override

        public void handleMessage(Message msg) {
@@ -941,6 +962,9 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
                case MSG_HANDLE_ALL_APPS:

                    launchAllAppsAction();

                    break;

                case MSG_TOGGLE_TORCH:

                    toggleTorch();

                    break;

            }

        }

    }
@@ -999,6 +1023,12 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
            resolver.registerContentObserver(LineageSettings.Global.getUriFor(

                    LineageSettings.Global.DEV_FORCE_SHOW_NAVBAR), false, this,

                    UserHandle.USER_ALL);

            resolver.registerContentObserver(LineageSettings.System.getUriFor(

                    LineageSettings.System.TORCH_LONG_PRESS_POWER_GESTURE), false, this,

                    UserHandle.USER_ALL);

            resolver.registerContentObserver(LineageSettings.System.getUriFor(

                    LineageSettings.System.TORCH_LONG_PRESS_POWER_TIMEOUT), false, this,

                    UserHandle.USER_ALL);

            updateSettings();

        }
@@ -1343,21 +1373,26 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
                // When interactive, we're already awake.

                // Wait for a long press or for the button to be released to decide what to do.

                if (hasLongPressOnPowerBehavior()) {

                    mResolvedLongPressOnPowerBehavior = getResolvedLongPressOnPowerBehavior();

                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);

                    msg.setAsynchronous(true);

                    mHandler.sendMessageDelayed(msg,

                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());

                }

            } else {

                wakeUpFromPowerKey(event.getDownTime());



                if (mSupportLongPressPowerWhenNonInteractive && hasLongPressOnPowerBehavior()) {

                    mResolvedLongPressOnPowerBehavior = getResolvedLongPressOnPowerBehavior();

                    if (mResolvedLongPressOnPowerBehavior != LONG_PRESS_POWER_TORCH) {

                        wakeUpFromPowerKey(event.getDownTime());

                    }

                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);

                    msg.setAsynchronous(true);

                    mHandler.sendMessageDelayed(msg,

                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());

                    mBeganFromNonInteractive = true;

                } else {

                    wakeUpFromPowerKey(event.getDownTime());



                    final int maxCount = getMaxMultiPressPowerCount();



                    if (maxCount <= 1) {
@@ -1416,6 +1451,10 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
        if (!mPowerKeyHandled) {

            mPowerKeyHandled = true;

            mHandler.removeMessages(MSG_POWER_LONG_PRESS);

            // See if we deferred screen wake because long press power for torch is enabled

            if (mResolvedLongPressOnPowerBehavior == LONG_PRESS_POWER_TORCH && !isScreenOn()) {

                wakeUpFromPowerKey(SystemClock.uptimeMillis());

            }

        }

    }
@@ -1548,7 +1587,7 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
    }



    private void powerLongPress() {

        final int behavior = getResolvedLongPressOnPowerBehavior();

        final int behavior = mResolvedLongPressOnPowerBehavior;

        switch (behavior) {

        case LONG_PRESS_POWER_NOTHING:

            break;
@@ -1564,6 +1603,15 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);

            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);

            break;

        case LONG_PRESS_POWER_TORCH:

            mPowerKeyHandled = true;

            // Toggle torch state asynchronously to help protect against

            // a misbehaving cameraservice from blocking systemui.

            mHandler.removeMessages(MSG_TOGGLE_TORCH);

            Message msg = mHandler.obtainMessage(MSG_TOGGLE_TORCH);

            msg.setAsynchronous(true);

            msg.sendToTarget();

            break;

        }

    }
@@ -1615,6 +1663,9 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
        if (FactoryTest.isLongPressOnPowerOffEnabled()) {

            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;

        }

        if (mTorchLongPressPowerEnabled && !isScreenOn()) {

            return LONG_PRESS_POWER_TORCH;

        }

        return mLongPressOnPowerBehavior;

    }
@@ -1892,6 +1943,8 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
        mHasFeatureLeanback = mContext.getPackageManager().hasSystemFeature(FEATURE_LEANBACK);

        mAccessibilityShortcutController =

                new AccessibilityShortcutController(mContext, new Handler(), mCurrentUserId);

        mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE);



        // Init display burn-in protection

        boolean burnInProtectionEnabled = context.getResources().getBoolean(

                com.android.internal.R.bool.config_enableBurnInProtection);
@@ -1928,6 +1981,8 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
        }



        mHandler = new PolicyHandler();

        mCameraManager = (CameraManager) mContext.getSystemService(Context.CAMERA_SERVICE);

        mCameraManager.registerTorchCallback(new TorchModeCallback(), mHandler);

        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);

        mOrientationListener = new MyOrientationListener(mContext, mHandler);

        try {
@@ -2193,6 +2248,23 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
            }

        }

        if (DEBUG) Slog.d(TAG, "" + mDeviceKeyHandlers.size() + " device key handlers loaded");



        // Register for torch off events

        BroadcastReceiver torchReceiver = new BroadcastReceiver() {

            @Override

            public void onReceive(Context context, Intent intent) {

                mTorchOffPendingIntent = null;

                if (mTorchEnabled) {

                    mHandler.removeMessages(MSG_TOGGLE_TORCH);

                    Message msg = mHandler.obtainMessage(MSG_TOGGLE_TORCH);

                    msg.setAsynchronous(true);

                    msg.sendToTarget();

                }

            }

        };

        filter = new IntentFilter();

        filter.addAction(ACTION_TORCH_OFF);

        context.registerReceiver(torchReceiver, filter);

    }



    /**
@@ -2351,6 +2423,12 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
                    Settings.Secure.INCALL_BACK_BUTTON_BEHAVIOR,

                    Settings.Secure.INCALL_BACK_BUTTON_BEHAVIOR_DEFAULT,

                    UserHandle.USER_CURRENT);

            mTorchLongPressPowerEnabled = LineageSettings.System.getIntForUser(

                    resolver, LineageSettings.System.TORCH_LONG_PRESS_POWER_GESTURE, 0,

                    UserHandle.USER_CURRENT) == 1;

            mTorchTimeout = LineageSettings.System.getIntForUser(

                    resolver, LineageSettings.System.TORCH_LONG_PRESS_POWER_TIMEOUT, 0,

                    UserHandle.USER_CURRENT);



            // Configure wake gesture.

            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
@@ -8640,4 +8718,65 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
            mKeyguardDelegate.dump(prefix, pw);

        }

    }



    private void cancelTorchOff() {

        if (mTorchOffPendingIntent != null) {

            mAlarmManager.cancel(mTorchOffPendingIntent);

            mTorchOffPendingIntent = null;

        }

    }



    private void toggleTorch() {

        cancelTorchOff();

        final boolean origEnabled = mTorchEnabled;

        try {

            final String rearFlashCameraId = getRearFlashCameraId();

            if (rearFlashCameraId != null) {

                mCameraManager.setTorchMode(rearFlashCameraId, !mTorchEnabled);

                mTorchEnabled = !mTorchEnabled;

            }

        } catch (CameraAccessException e) {

            // Ignore

        }

        // Setup torch off alarm

        if (mTorchEnabled && !origEnabled && mTorchTimeout > 0) {

            Intent torchOff = new Intent(ACTION_TORCH_OFF);

            torchOff.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY

                    | Intent.FLAG_RECEIVER_FOREGROUND);

            mTorchOffPendingIntent = PendingIntent.getBroadcast(mContext, 0, torchOff, 0);

            mAlarmManager.setExactAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP,

                    SystemClock.elapsedRealtime() + mTorchTimeout * 1000, mTorchOffPendingIntent);

        }

    }



    private String getRearFlashCameraId() throws CameraAccessException {

        if (mRearFlashCameraId != null) return mRearFlashCameraId;

        for (final String id : mCameraManager.getCameraIdList()) {

            CameraCharacteristics c = mCameraManager.getCameraCharacteristics(id);

            boolean flashAvailable = c.get(CameraCharacteristics.FLASH_INFO_AVAILABLE);

            int lensDirection = c.get(CameraCharacteristics.LENS_FACING);

            if (flashAvailable && lensDirection == CameraCharacteristics.LENS_FACING_BACK) {

                mRearFlashCameraId = id;

            }

        }

        return mRearFlashCameraId;

    }



    private class TorchModeCallback extends CameraManager.TorchCallback {

        @Override

        public void onTorchModeChanged(String cameraId, boolean enabled) {

            if (!cameraId.equals(mRearFlashCameraId)) return;

            mTorchEnabled = enabled;

            if (!mTorchEnabled) {

                cancelTorchOff();

            }

        }



        @Override

        public void onTorchModeUnavailable(String cameraId) {

            if (!cameraId.equals(mRearFlashCameraId)) return;

            mTorchEnabled = false;

            cancelTorchOff();

        }

    }

}