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Commit 6eabbf9d 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 cd97f111

core/java/android/view/KeyEvent.java

+2 −0
Original line number Diff line number Diff line
@@ -1879,6 +1879,8 @@ public class KeyEvent extends InputEvent implements Parcelable { 
            case KeyEvent.KEYCODE_VOLUME_UP:

            case KeyEvent.KEYCODE_VOLUME_DOWN:

            case KeyEvent.KEYCODE_VOLUME_MUTE:

            case KeyEvent.KEYCODE_CAMERA:

            case KeyEvent.KEYCODE_FOCUS:

                return true;

        }

        return false;

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

+78 −2
Original line number Diff line number Diff line
@@ -611,8 +611,15 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
    boolean mMenuWakeScreen;

    boolean mAssistWakeScreen;

    boolean mAppSwitchWakeScreen;

    boolean mCameraWakeScreen;

    boolean mVolumeWakeScreen;



    // Camera button control flags and actions

    boolean mCameraLaunch;

    boolean mCameraSleepOnRelease;

    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.
@@ -898,6 +905,7 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
    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_CAMERA_LONG_PRESS = 28;



    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_STATUS = 0;

    private static final int MSG_REQUEST_TRANSIENT_BARS_ARG_NAVIGATION = 1;
@@ -1005,6 +1013,10 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
                case MSG_TOGGLE_TORCH:

                    toggleTorch();

                    break;

                case MSG_CAMERA_LONG_PRESS:

                    KeyEvent event = (KeyEvent) msg.obj;

                    mIsLongPress = true;

                    break;

            }

        }

    }
@@ -1117,6 +1129,15 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
            resolver.registerContentObserver(LineageSettings.System.getUriFor(

                    LineageSettings.System.VOLUME_ANSWER_CALL), 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.KILL_APP_LONGPRESS_BACK), false, this,

                    UserHandle.USER_ALL);
@@ -2647,6 +2668,15 @@ 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);

            mCameraWakeScreen = (LineageSettings.System.getIntForUser(resolver,

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

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

            mCameraSleepOnRelease = 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;

            mKillAppLongpressBack = LineageSettings.Secure.getInt(

                    resolver, LineageSettings.Secure.KILL_APP_LONGPRESS_BACK, 0) == 1;
@@ -6672,6 +6702,47 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
                }

                break;



            case KeyEvent.KEYCODE_FOCUS:

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

                    mIsFocusPressed = true;

                } else if ((event.getAction() == KeyEvent.ACTION_UP)

                        && mScreenOnFully && mIsFocusPressed) {

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

                    mPowerManager.goToSleep(SystemClock.uptimeMillis());

                    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) {
@@ -6933,6 +7004,9 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
                return mAssistWakeScreen;

            case KeyEvent.KEYCODE_APP_SWITCH:

                return mAppSwitchWakeScreen;

            case KeyEvent.KEYCODE_CAMERA:

            case KeyEvent.KEYCODE_FOCUS:

                return mCameraWakeScreen;

        }

        return true;

    }
@@ -6952,7 +7026,7 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
            case KeyEvent.KEYCODE_VOLUME_MUTE:

                return mVolumeWakeScreen || mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;



            // ignore media and camera keys

            // ignore media keys

            case KeyEvent.KEYCODE_MUTE:

            case KeyEvent.KEYCODE_HEADSETHOOK:

            case KeyEvent.KEYCODE_MEDIA_PLAY:
@@ -6965,7 +7039,6 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
            case KeyEvent.KEYCODE_MEDIA_RECORD:

            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:

            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:

            case KeyEvent.KEYCODE_CAMERA:

                return false;



            case KeyEvent.KEYCODE_BACK:
@@ -6976,6 +7049,9 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
                return mAssistWakeScreen;

            case KeyEvent.KEYCODE_APP_SWITCH:

                return mAppSwitchWakeScreen;

            case KeyEvent.KEYCODE_CAMERA:

            case KeyEvent.KEYCODE_FOCUS:

                return mCameraWakeScreen;

        }

        return true;

    }