add progress while retrieving previous transaction

[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / ui / activity / NewTransactionModel.java

diff --git a/app/src/main/java/net/ktnx/mobileledger/ui/activity/NewTransactionModel.java b/app/src/main/java/net/ktnx/mobileledger/ui/activity/NewTransactionModel.java
index ed283b211685798f80ea5c64851f4730094ee759..00e44508a33d4ac0856aa39b3c2485c8dbcaf252 100644 (file)
--- a/app/src/main/java/net/ktnx/mobileledger/ui/activity/NewTransactionModel.java
+++ b/app/src/main/java/net/ktnx/mobileledger/ui/activity/NewTransactionModel.java
@@ -37,6 +37,7 @@ import java.util.Collections;
 import java.util.Date;
 import java.util.GregorianCalendar;
 import java.util.Locale;
+import java.util.concurrent.atomic.AtomicInteger;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -56,6 +57,11 @@ public class NewTransactionModel extends ViewModel {
     private boolean observingDataProfile;
     private Observer<MobileLedgerProfile> profileObserver =
             profile -> showCurrency.postValue(profile.getShowCommodityByDefault());
+    private final AtomicInteger busyCounter = new AtomicInteger(0);
+    private final MutableLiveData<Boolean> busyFlag = new MutableLiveData<>(false);
+    void observeBusyFlag(LifecycleOwner owner, Observer<? super Boolean> observer) {
+        busyFlag.observe(owner, observer);
+    }
     void observeDataProfile(LifecycleOwner activity) {
         if (!observingDataProfile)
             Data.profile.observe(activity, profileObserver);
@@ -171,10 +177,6 @@ public class NewTransactionModel extends ViewModel {
     void swapItems(int one, int two) {
         Collections.swap(items, one - 1, two - 1);
     }
-    void toggleComment(int position) {
-        final MutableLiveData<Boolean> commentVisible = getItem(position).commentVisible;
-        commentVisible.postValue(!commentVisible.getValue());
-    }
     void moveItemLast(int index) {
         /*   0
              1   <-- index
@@ -191,6 +193,17 @@ public class NewTransactionModel extends ViewModel {
     void toggleCurrencyVisible() {
         showCurrency.setValue(!showCurrency.getValue());
     }
+    void stopObservingBusyFlag(Observer<Boolean> observer) {
+        busyFlag.removeObserver(observer);
+    }
+    void incrementBusyCounter() {
+        int newValue = busyCounter.incrementAndGet();
+        if (newValue == 1) busyFlag.postValue(true);
+    }
+    void decrementBusyCounter() {
+        int newValue = busyCounter.decrementAndGet();
+        if (newValue == 0) busyFlag.postValue(false);
+    }
     enum ItemType {generalData, transactionRow, bottomFiller}
 
     enum FocusedElement {Account, Comment, Amount}
@@ -209,7 +222,6 @@ public class NewTransactionModel extends ViewModel {
         private MutableLiveData<Boolean> editable = new MutableLiveData<>(true);
         private FocusedElement focusedElement = FocusedElement.Account;
         private MutableLiveData<String> comment = new MutableLiveData<>(null);
-        private MutableLiveData<Boolean> commentVisible = new MutableLiveData<>(false);
         private MutableLiveData<Currency> currency = new MutableLiveData<>(null);
         private boolean amountHintIsSet = false;
         Item(NewTransactionModel model) {
@@ -407,12 +419,6 @@ public class NewTransactionModel extends ViewModel {
         void stopObservingEditableFlag(Observer<Boolean> observer) {
             editable.removeObserver(observer);
         }
-        void observeCommentVisible(NewTransactionActivity activity, Observer<Boolean> observer) {
-            commentVisible.observe(activity, observer);
-        }
-        void stopObservingCommentVisible(Observer<Boolean> observer) {
-            commentVisible.removeObserver(observer);
-        }
         void observeComment(NewTransactionActivity activity, Observer<String> observer) {
             comment.observe(activity, observer);
         }