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Unverified Commit 1a38098b authored by HazouPH's avatar HazouPH Committed by Michael Bestas
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Camera button support 

Add support for camera button

Based on commit http://review.cyanogenmod.org/#/c/51487/

This patch adds:
- Use camera button as wake key
- Use focus button as peek and wake key
- Use camera button to launch (secure) camera

Change-Id: Ia515c04cca098bf0d20b077ebffc079ee4008f21
parent 7ba04f31

core/java/android/view/KeyEvent.java

+1 −0
Original line number Diff line number Diff line
@@ -1993,6 +1993,7 @@ public class KeyEvent extends InputEvent implements Parcelable { 
    public static final boolean isWakeKey(int keyCode) {

        switch (keyCode) {

            case KeyEvent.KEYCODE_CAMERA:

            case KeyEvent.KEYCODE_FOCUS:

            case KeyEvent.KEYCODE_MENU:

            case KeyEvent.KEYCODE_PAIRING:

            case KeyEvent.KEYCODE_STEM_1:

core/java/com/android/internal/policy/PhoneFallbackEventHandler.java

+0 −12
Original line number Diff line number Diff line
@@ -144,18 +144,6 @@ public class PhoneFallbackEventHandler implements FallbackEventHandler { 
                    dispatcher.startTracking(event, this);

                } else if (event.isLongPress() && dispatcher.isTracking(event)) {

                    dispatcher.performedLongPress(event);

                    if (isUserSetupComplete()) {

                        mView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);

                        // Broadcast an intent that the Camera button was longpressed

                        Intent intent = new Intent(Intent.ACTION_CAMERA_BUTTON, null);

                        intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);

                        intent.putExtra(Intent.EXTRA_KEY_EVENT, event);

                        mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT_OR_SELF,

                                null, null, null, 0, null, null);

                    } else {

                        Log.i(TAG, "Not dispatching CAMERA long press because user "

                                + "setup is in progress.");

                    }

                }

                return true;

            }

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

+96 −7
Original line number Diff line number Diff line
@@ -531,8 +531,16 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
    boolean mWakeOnHomeKeyPress;

    boolean mWakeOnMenuKeyPress;

    boolean mWakeOnAppSwitchKeyPress;

    boolean mWakeOnCameraKeyPress;

    boolean mWakeOnVolumeKeyPress;



    // Camera button control flags and actions

    boolean mCameraLaunch;

    boolean mCameraSleepOnRelease;

    boolean mFocusReleasedGoToSleep;

    boolean mIsFocusPressed;

    boolean mIsLongPress;



    // During wakeup by volume keys, we still need to capture subsequent events

    // until the key is released. This is required since the beep sound is produced

    // post keypressed.
@@ -680,6 +688,7 @@ public class PhoneWindowManager implements WindowManagerPolicy { 


    // Lineage additions

    private static final int MSG_TOGGLE_TORCH = 100;

    private static final int MSG_CAMERA_LONG_PRESS = 101;



    private CameraManager mCameraManager;

    private String mRearFlashCameraId;
@@ -759,6 +768,10 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
                case MSG_TOGGLE_TORCH:

                    toggleTorch();

                    break;

                case MSG_CAMERA_LONG_PRESS:

                    KeyEvent event = (KeyEvent) msg.obj;

                    mIsLongPress = true;

                    break;

            }

        }

    }
@@ -787,6 +800,15 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
            resolver.registerContentObserver(Settings.Secure.getUriFor(

                    Settings.Secure.INCALL_BACK_BUTTON_BEHAVIOR), false, this,

                    UserHandle.USER_ALL);

            resolver.registerContentObserver(LineageSettings.System.getUriFor(

                    LineageSettings.System.CAMERA_WAKE_SCREEN), false, this,

                    UserHandle.USER_ALL);

            resolver.registerContentObserver(LineageSettings.System.getUriFor(

                    LineageSettings.System.CAMERA_SLEEP_ON_RELEASE), false, this,

                    UserHandle.USER_ALL);

            resolver.registerContentObserver(LineageSettings.System.getUriFor(

                    LineageSettings.System.CAMERA_LAUNCH), false, this,

                    UserHandle.USER_ALL);

            resolver.registerContentObserver(LineageSettings.Secure.getUriFor(

                    LineageSettings.Secure.RING_HOME_BUTTON_BEHAVIOR), false, this,

                    UserHandle.USER_ALL);
@@ -2479,6 +2501,16 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
            mVolumeAnswerCall = (LineageSettings.System.getIntForUser(resolver,

                    LineageSettings.System.VOLUME_ANSWER_CALL, 0, UserHandle.USER_CURRENT) == 1)

                    && ((mDeviceHardwareWakeKeys & KEY_MASK_VOLUME) != 0);

            mWakeOnCameraKeyPress = (LineageSettings.System.getIntForUser(resolver,

                    LineageSettings.System.CAMERA_WAKE_SCREEN, 0, UserHandle.USER_CURRENT) == 1)

                    && ((mDeviceHardwareWakeKeys & KEY_MASK_CAMERA) != 0);

            mCameraSleepOnRelease = mWakeOnCameraKeyPress &&

                    LineageSettings.System.getIntForUser(resolver,

                            LineageSettings.System.CAMERA_SLEEP_ON_RELEASE, 0,

                            UserHandle.USER_CURRENT) == 1;

            mCameraLaunch = LineageSettings.System.getIntForUser(resolver,

                    LineageSettings.System.CAMERA_LAUNCH, 0,

                    UserHandle.USER_CURRENT) == 1;



            // Configure wake gesture.

            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
@@ -3909,7 +3941,6 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
        final int displayId = event.getDisplayId();

        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;



        if (DEBUG_INPUT) {

        // If screen is off then we treat the case where the keyguard is open but hidden

        // the same as if it were open and in front.

        // This will prevent any keys other than the power button from waking the screen
@@ -3917,6 +3948,8 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
        final boolean keyguardActive = (mKeyguardDelegate != null

                && (interactive ? isKeyguardShowingAndNotOccluded() :

                mKeyguardDelegate.isShowing()));



        if (DEBUG_INPUT) {

            Log.d(TAG, "interceptKeyTq keycode=" + keyCode

                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive

                    + " policyFlags=" + Integer.toHexString(policyFlags));
@@ -4147,6 +4180,50 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
                }

                break;



            case KeyEvent.KEYCODE_FOCUS:

                if (down && !interactive && mCameraSleepOnRelease) {

                    mIsFocusPressed = true;

                } else if (!down) {

                    // Check if screen is fully on before letting the device go to sleep

                    if (mDefaultDisplayPolicy.isScreenOnFully() && mIsFocusPressed) {

                        mPowerManager.goToSleep(SystemClock.uptimeMillis());

                    } else if (!interactive && mCameraSleepOnRelease) {

                        mFocusReleasedGoToSleep = true;

                    }

                    mIsFocusPressed = false;

                }

                break;



            case KeyEvent.KEYCODE_CAMERA:

                if (down && mIsFocusPressed) {

                    mIsFocusPressed = false;

                }

                if (down) {

                    mIsLongPress = false;



                    KeyEvent newEvent = new KeyEvent(event.getDownTime(), event.getEventTime(),

                            event.getAction(), keyCode, 0);

                    Message msg = mHandler.obtainMessage(MSG_CAMERA_LONG_PRESS, newEvent);

                    msg.setAsynchronous(true);

                    mHandler.sendMessageDelayed(msg, ViewConfiguration.getLongPressTimeout());

                    // Consume key down events of all presses.

                    break;

                } else {

                    mHandler.removeMessages(MSG_CAMERA_LONG_PRESS);

                    // Consume key up events of long presses only.

                    if (mIsLongPress && mCameraLaunch) {

                        Intent intent;

                        if (keyguardActive) {

                            intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);

                        } else {

                            intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);

                        }

                        isWakeKey = true;

                        startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);

                    }

                }

                break;



            case KeyEvent.KEYCODE_ENDCALL: {

                result &= ~ACTION_PASS_TO_USER;

                if (down) {
@@ -4511,6 +4588,9 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
                return mWakeOnAssistKeyPress;

            case KeyEvent.KEYCODE_APP_SWITCH:

                return mWakeOnAppSwitchKeyPress;

            case KeyEvent.KEYCODE_CAMERA:

            case KeyEvent.KEYCODE_FOCUS:

                return mWakeOnCameraKeyPress;

        }

        return true;

    }
@@ -4562,6 +4642,10 @@ public class PhoneWindowManager implements WindowManagerPolicy { 


            case KeyEvent.KEYCODE_APP_SWITCH:

                return mWakeOnAppSwitchKeyPress;



            case KeyEvent.KEYCODE_CAMERA:

            case KeyEvent.KEYCODE_FOCUS:

                return mWakeOnCameraKeyPress;

        }



        return true;
@@ -5143,6 +5227,11 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
            } catch (RemoteException unhandled) {

            }

        }



        if (mFocusReleasedGoToSleep) {

            mFocusReleasedGoToSleep = false;

            mPowerManager.goToSleep(SystemClock.uptimeMillis());

        }

    }



    private void handleHideBootMessage() {