public boolean isCameraInitNeeded() {
if (DBG) {
log(
"isCameraInitNeeded mCameraNeeded="
+ mCameraNeeded
+ " mCameraSurface= "
+ mCameraSurface
+ " camera state = "
+ mVideoCallManager.getCameraState());
}
return mCameraNeeded
&& mCameraSurface != null
&& mVideoCallManager.getCameraState() == CameraState.CAMERA_CLOSED;
}
/** This method is called when the visibility of the VideoCallPanel is changed */
@Override
protected void onVisibilityChanged(View changedView, int visibility) {
if (changedView != this || mVideoCallManager == null) {
return;
}
switch (visibility) {
case View.INVISIBLE:
case View.GONE:
if (DBG) log("VideoCallPanel View is GONE or INVISIBLE");
// Stop the preview and close the camera now because other
// activities may need to use it
if (mVideoCallManager.getCameraState() != CameraState.CAMERA_CLOSED) {
stopRecordingAndPreview();
closeCamera();
}
break;
case View.VISIBLE:
if (DBG) log("VideoCallPanel View is VISIBLE");
if (isCameraInitNeeded()) {
initializeCamera();
}
break;
}
}
/**
* This method switches the camera to front/back or off
*
* @param cameraId
*/
private void switchCamera(int cameraId) {
// Change the camera Id
mCameraId = cameraId;
// Stop camera preview if already running
if (mVideoCallManager.getCameraState() != CameraState.CAMERA_CLOSED) {
stopRecordingAndPreview();
closeCamera();
}
// Restart camera if camera doesn't need to stay off
if (isCameraInitNeeded()) {
initializeCamera();
}
}
public void setPanelElementsVisibility(int callType) {
switch (callType) {
case Phone.CALL_TYPE_VT:
if (isCameraInitNeeded()) {
initializeCamera();
}
break;
case Phone.CALL_TYPE_VT_TX:
if (isCameraInitNeeded()) {
initializeCamera();
}
break;
case Phone.CALL_TYPE_VT_RX:
// Stop the preview and close the camera now because other
// activities may need to use it
if (mVideoCallManager.getCameraState() != CameraState.CAMERA_CLOSED) {
stopRecordingAndPreview();
closeCamera();
}
break;
default:
log("setPanelElementsVisibility: callType=" + callType);
break;
}
log(
"setPanelElementsVisibility: callType= "
+ callType
+ " VideoCallPanel is "
+ mVideoCallPanel.getVisibility()
+ " mCameraPreview is "
+ mCameraPreview.getVisibility()
+ " available="
+ mCameraPreview.isAvailable()
+ " activated= "
+ mCameraPreview.isActivated()
+ " mFarEndView is "
+ mFarEndView.getVisibility()
+ " available="
+ mFarEndView.isAvailable()
+ " activated= "
+ mFarEndView.isActivated());
}