private void cancelAutoFocus() {
Log.e(TAG, "cancelAutofocus");
// Note: CameraController.getFocusMode(); will return
// 'FOCUS_MODE_AUTO' if actual
// mode is in fact FOCUS_MODE_CONTINUOUS_PICTURE or
// FOCUS_MODE_CONTINUOUS_VIDEO
int fm = CameraController.getFocusMode();
if (fm != CameraParameters.AF_MODE_UNSUPPORTED) {
if (fm != preferenceFocusMode && preferenceFocusMode != CameraParameters.MF_MODE) {
CameraController.cancelAutoFocus();
CameraController.setCameraFocusMode(preferenceFocusMode);
}
}
// Reset the tap area before calling mListener.cancelAutofocus.
// Otherwise, focus mode stays at auto and the tap area passed to the
// driver is not reset.
CameraController.setCameraFocusAreas(null);
ApplicationScreen.instance.setCameraMeteringMode(ApplicationScreen.getMeteringMode());
resetTouchFocus();
mState = STATE_IDLE;
CameraController.setFocusState(CameraController.FOCUS_STATE_IDLE);
updateFocusUI();
mHandler.removeMessages(RESET_TOUCH_FOCUS);
}
// This can only be called after mParameters is initialized.
public int getFocusMode() {
if (mOverrideFocusMode != CameraParameters.AF_MODE_UNSUPPORTED) return mOverrideFocusMode;
if (mFocusAreaSupported && mFocusArea != null) mFocusMode = CameraParameters.AF_MODE_AUTO;
else mFocusMode = ApplicationScreen.instance.getFocusModePref(mDefaultFocusMode);
if (!isSupported(mFocusMode, CameraController.getSupportedFocusModes())) {
// For some reasons, the driver does not support the current
// focus mode. Fall back to auto.
if (isSupported(CameraParameters.AF_MODE_AUTO, CameraController.getSupportedFocusModes()))
mFocusMode = CameraParameters.AF_MODE_AUTO;
else mFocusMode = CameraController.getFocusMode();
}
return mFocusMode;
}
public boolean onBroadcast(int arg1, int arg2) {
if (arg1 == ApplicationInterface.MSG_CONTROL_LOCKED) {
mFocusDisabled = true;
} else if (arg1 == ApplicationInterface.MSG_CONTROL_UNLOCKED) {
mFocusDisabled = false;
} else if (arg1 == ApplicationInterface.MSG_FOCUS_LOCKED) {
mFocusLocked = true;
} else if (arg1 == ApplicationInterface.MSG_FOCUS_UNLOCKED) {
mFocusLocked = false;
} else if (arg1 == ApplicationInterface.MSG_CAPTURE_FINISHED) {
mFocusDisabled = false;
cancelAutoFocus();
} else if (arg1 == ApplicationInterface.MSG_FOCUS_CHANGED) {
int fm = CameraController.getFocusMode();
if (fm != -1) preferenceFocusMode = fm;
} else if (arg1 == ApplicationInterface.MSG_PREVIEW_CHANGED) {
initialize(CameraController.isFrontCamera(), 90);
}
return false;
}
public void onTouchFocusArea(MotionEvent e) {
if (!mFocusAreaSupported) return;
int xRaw = (int) e.getRawX();
int yRaw = (int) e.getRawY();
if (e.getPointerCount() > 1) {
final int location[] = {0, 0};
focusLayout.getLocationOnScreen(location);
xRaw = (int) e.getX(0) + location[0];
yRaw = (int) e.getY(0) + location[1];
}
// Initialize variables.
int focusWidth = mFocusIndicatorRotateLayout.getWidth();
int focusHeight = mFocusIndicatorRotateLayout.getHeight();
int previewWidth = mPreviewWidth;
int previewHeight = mPreviewHeight;
int displayWidth = ApplicationScreen.getAppResources().getDisplayMetrics().widthPixels;
int displayHeight = ApplicationScreen.getAppResources().getDisplayMetrics().heightPixels;
int diffWidth = displayWidth - previewWidth;
int diffHeight = displayHeight - previewHeight;
// Initialize variables.
int paramsLayoutHeight = 0;
int xOffset = (focusLayout.getWidth() - previewWidth) / 2;
int yOffset = (focusLayout.getHeight() - previewHeight) / 2;
if (mFocusArea == null) {
mFocusArea = new ArrayList<Area>();
mFocusArea.add(new Area(new Rect(), 1000));
}
// Use margin to set the metering indicator to the touched area.
RelativeLayout.LayoutParams p =
(RelativeLayout.LayoutParams) mFocusIndicatorRotateLayout.getLayoutParams();
int left =
Util.clamp(
xRaw - focusWidth / 2 + xOffset,
diffWidth / 2,
(previewWidth - focusWidth + xOffset * 2) - diffWidth / 2);
int top =
Util.clamp(
yRaw - focusHeight / 2 + yOffset - diffHeight / 2,
0,
previewHeight - focusHeight + yOffset * 2);
p.leftMargin = left;
p.topMargin = top;
int[] rules = p.getRules();
rules[RelativeLayout.CENTER_IN_PARENT] = 0;
mFocusIndicatorRotateLayout.setLayoutParams(p);
calculateTapAreaByTopLeft(
focusWidth,
focusHeight,
1f,
top,
left,
ApplicationScreen.getPreviewSurfaceView().getWidth(),
ApplicationScreen.getPreviewSurfaceView().getHeight(),
mFocusArea.get(0).rect);
// Set the focus area and metering area.
if (mFocusAreaSupported
&& (e.getActionMasked() == MotionEvent.ACTION_UP
|| e.getActionMasked() == MotionEvent.ACTION_POINTER_UP)) {
setFocusParameters();
int focusMode = CameraController.getFocusMode();
if (focusMode == CameraParameters.AF_MODE_AUTO
|| focusMode == CameraParameters.AF_MODE_MACRO) {
CameraController.cancelAutoFocus();
autoFocus();
} else {
mState = STATE_FOCUSING;
updateFocusUI();
}
}
mFocusIndicatorRotateLayout.requestLayout();
}
@Override
public boolean onTouch(View view, MotionEvent e) {
if (CameraController.isRemoteCamera()) {
if (e.getAction() == MotionEvent.ACTION_UP) {
onTouchAreas(e);
}
return true;
}
updateCurrentTouch(e);
if (e.getPointerCount() > 1) {
splitMode = true;
mHandler.removeMessages(START_TOUCH_FOCUS);
onTouchMeteringArea(e);
onTouchFocusArea(e);
return true;
}
if (splitMode && e.getAction() == MotionEvent.ACTION_DOWN) {
mMeteringIndicatorRotateLayout.setVisibility(View.GONE);
ApplicationScreen.instance.setCameraMeteringMode(ApplicationScreen.getMeteringMode());
splitMode = false;
}
if (splitMode) {
return true;
}
// Check if it's double click
if (e.getAction() == MotionEvent.ACTION_UP) {
lastTouchTime1 = lastTouchTime2;
lastTouchTime2 = System.currentTimeMillis();
if (lastTouchTime2 - lastTouchTime1 < 1000) {
isDoubleClick = true;
// If shot on double click
if (ApplicationScreen.instance.isShotOnTap() == 2) {
// Cancel delayed focus, which was created by second click
mHandler.removeMessages(START_TOUCH_FOCUS);
// If state is Focused start capture
if (mState == STATE_SUCCESS) {
String modeID = PluginManager.getInstance().getActiveMode().modeID;
if (!modeID.equals("video") && !currentTouch) {
ApplicationScreen.getGUIManager().onHardwareShutterButtonPressed();
isDoubleClick = false;
}
}
return true;
}
} else {
isDoubleClick = false;
}
}
// Not handle touch event if no need of autoFocus and refuse 'shot on
// tap' in video mode.
if (!mInitialized
|| mState == STATE_FOCUSING_SNAP_ON_FINISH
|| mState == STATE_INACTIVE
|| mFocusDisabled
|| !CameraController.isFocusModeSupported()
|| (!(needAutoFocusCall() || isContinuousFocusMode())
&& !(ApplicationScreen.instance.isShotOnTap() > 0
&& !PluginManager.getInstance().getActiveMode().modeID.equals("video"))))
return false;
// Let users be able to cancel previous touch focus.
if ((mState == STATE_FOCUSING)
&& !delayedFocus
&& ApplicationScreen.instance.isShotOnTap() != 2) {
focusCanceled = true;
cancelAutoFocus();
int fm = CameraController.getFocusMode();
if ((preferenceFocusMode == CameraParameters.AF_MODE_CONTINUOUS_PICTURE
|| preferenceFocusMode == CameraParameters.AF_MODE_CONTINUOUS_VIDEO)
&& fm != CameraParameters.AF_MODE_UNSUPPORTED
&& preferenceFocusMode != CameraController.getFocusMode()
&& preferenceFocusMode != CameraParameters.MF_MODE) {
CameraController.setCameraFocusMode(preferenceFocusMode);
} else if (CameraController.isGalaxyNote3 && preferenceFocusMode != CameraParameters.MF_MODE)
// Kind of hack to
// prevent Note 3 of
// permanent 'auto focus
// failed' state
{
CameraController.setCameraFocusMode(CameraParameters.AF_MODE_CONTINUOUS_PICTURE);
CameraController.setCameraFocusMode(preferenceFocusMode);
}
return true;
}
switch (e.getAction()) {
case MotionEvent.ACTION_DOWN:
focusCanceled = false;
delayedFocus = false;
X = e.getX();
Y = e.getY();
lastEvent = MotionEvent.obtain(e);
mHandler.sendEmptyMessageDelayed(START_TOUCH_FOCUS, START_TOUCH_FOCUS_DELAY);
return true;
case MotionEvent.ACTION_MOVE:
{
float difX = e.getX();
float difY = e.getY();
if ((Math.abs(difX - X) > 50 || Math.abs(difY - Y) > 50) && !focusCanceled) {
focusCanceled = true;
cancelAutoFocus();
mHandler.removeMessages(START_TOUCH_FOCUS);
return true;
} else return true;
}
case MotionEvent.ACTION_UP:
mHandler.removeMessages(START_TOUCH_FOCUS);
if (focusCanceled || delayedFocus) return true;
break;
default:
break;
}
onTouchAreas(e);
return true;
}
