use FUI prefix

Author: morganchen12

FirebaseDatabaseUI/FUIArray.h

@@ -24,7 +24,7 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
-@protocol FIRDataObservable <NSObject>
+@protocol FUIDataObservable <NSObject>
 @required
 
 - (FIRDatabaseHandle)observeEventType:(FIRDataEventType)eventType
@@ -33,11 +33,11 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (void)removeObserverWithHandle:(FIRDatabaseHandle)handle;
 
-- (id<FIRDataObservable>)child:(NSString *)path;
+- (id<FUIDataObservable>)child:(NSString *)path;
 
 @end
 
-@interface FIRDatabaseQuery (FIRDataObservable) <FIRDataObservable>
+@interface FIRDatabaseQuery (FUIDataObservable) <FUIDataObservable>
 @end
 
 /**
@@ -56,7 +56,7 @@ NS_ASSUME_NONNULL_BEGIN
 /**
  * The query on a Firebase reference that provides data to populate the array.
  */
-@property(strong, nonatomic) id<FIRDataObservable> query;
+@property(strong, nonatomic) id<FUIDataObservable> query;
 
 /**
  * The number of objects in the array.
@@ -77,7 +77,7 @@ NS_ASSUME_NONNULL_BEGIN
  * @param delegate An object conforming to FirebaseArrayDelegate that should receive delegate messages.
  * @return A FirebaseArray instance
  */
-- (instancetype)initWithQuery:(id<FIRDataObservable>)query
+- (instancetype)initWithQuery:(id<FUIDataObservable>)query
                      delegate:(nullable id<FUIArrayDelegate>)delegate NS_DESIGNATED_INITIALIZER;
 
 /**
@@ -88,12 +88,12 @@ NS_ASSUME_NONNULL_BEGIN
  * @param query A query or Firebase database reference
  * @return An FUIArray instance
  */
-- (instancetype)initWithQuery:(id<FIRDataObservable>)query;
+- (instancetype)initWithQuery:(id<FUIDataObservable>)query;
 
 /**
  * See `initWithQuery:`
  */
-+ (instancetype)arrayWithQuery:(id<FIRDataObservable>)query;
++ (instancetype)arrayWithQuery:(id<FUIDataObservable>)query;
 
 - (instancetype)init NS_UNAVAILABLE;
 

FirebaseDatabaseUI/FUIArray.m

@@ -52,11 +52,11 @@ - (instancetype)initWithQuery:(FIRDatabaseQuery *)query delegate:(id<FUIArrayDel
   return self;
 }
 
-- (instancetype)initWithQuery:(id<FIRDataObservable>)query {
+- (instancetype)initWithQuery:(id<FUIDataObservable>)query {
   return [self initWithQuery:query delegate:nil];
 }
 
-+ (instancetype)arrayWithQuery:(id<FIRDataObservable>)query {
++ (instancetype)arrayWithQuery:(id<FUIDataObservable>)query {
   return [[self alloc] initWithQuery:query];
 }
 

FirebaseDatabaseUI/FirebaseIndexArray.h renamed to FirebaseDatabaseUI/FUIIndexArray.h

@@ -22,13 +22,13 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
-@class FirebaseIndexArray;
+@class FUIIndexArray;
 
 /**
- * A protocol to allow instances of FirebaseIndexArray to raise events through a
+ * A protocol to allow instances of FUIIndexArray to raise events through a
  * delegate. Raises all Firebase events except @c FIRDataEventTypeValue.
  */
-@protocol FirebaseIndexArrayDelegate <NSObject>
+@protocol FUIIndexArrayDelegate <NSObject>
 
 @optional
 
@@ -40,7 +40,7 @@ NS_ASSUME_NONNULL_BEGIN
  * @param object The database reference's contents.
  * @param index The index of the reference that was loaded.
  */
-- (void)array:(FirebaseIndexArray *)array
+- (void)array:(FUIIndexArray *)array
     reference:(FIRDatabaseReference *)ref
 didLoadObject:(FIRDataSnapshot *)object
       atIndex:(NSUInteger)index;
@@ -53,7 +53,7 @@ didLoadObject:(FIRDataSnapshot *)object
  * @param index The index in the array of the reference that failed to load.
  * @param error The error that occurred.
  */
-- (void)array:(FirebaseIndexArray *)array
+- (void)array:(FUIIndexArray *)array
     reference:(FIRDatabaseReference *)ref
       atIndex:(NSUInteger)index
 didFailLoadWithError:(NSError *)error;
@@ -65,7 +65,7 @@ didFailLoadWithError:(NSError *)error;
  * @param ref The database reference added to the array
  * @param index The index the reference was added at
  */
-- (void)array:(FirebaseIndexArray *)array didAddReference:(FIRDatabaseReference *)ref atIndex:(NSUInteger)index;
+- (void)array:(FUIIndexArray *)array didAddReference:(FIRDatabaseReference *)ref atIndex:(NSUInteger)index;
 
 /**
  * Delegate method which is called whenever an object is changed in a
@@ -74,7 +74,7 @@ didFailLoadWithError:(NSError *)error;
  * @param ref The database reference that changed in the array
  * @param index The index the reference was changed at
  */
-- (void)array:(FirebaseIndexArray *)array didChangeReference:(FIRDatabaseReference *)ref atIndex:(NSUInteger)index;
+- (void)array:(FUIIndexArray *)array didChangeReference:(FIRDatabaseReference *)ref atIndex:(NSUInteger)index;
 
 /**
  * Delegate method which is called whenever an object is removed from a
@@ -83,7 +83,7 @@ didFailLoadWithError:(NSError *)error;
  * @param ref The database reference removed from the array
  * @param index The index the reference was removed at
  */
-- (void)array:(FirebaseIndexArray *)array didRemoveReference:(FIRDatabaseReference *)ref atIndex:(NSUInteger)index;
+- (void)array:(FUIIndexArray *)array didRemoveReference:(FIRDatabaseReference *)ref atIndex:(NSUInteger)index;
 
 /**
  * Delegate method which is called whenever an object is moved within a
@@ -93,24 +93,24 @@ didFailLoadWithError:(NSError *)error;
  * @param fromIndex The index the reference is being moved from
  * @param toIndex The index the reference is being moved to
  */
-- (void)array:(FirebaseIndexArray *)array didMoveReference:(FIRDatabaseReference *)ref fromIndex:(NSUInteger)fromIndex toIndex:(NSUInteger)toIndex;
+- (void)array:(FUIIndexArray *)array didMoveReference:(FIRDatabaseReference *)ref fromIndex:(NSUInteger)fromIndex toIndex:(NSUInteger)toIndex;
 
 /**
  * Delegate method which is called whenever the backing query is canceled. This error is fatal
  * and the index array will become unusable afterward, so please handle it appropriately
  * (i.e. by displaying a modal error explaining why there's no content).
  * @param error the error that was raised
  */
-- (void)array:(FirebaseIndexArray *)array queryCancelledWithError:(NSError *)error;
+- (void)array:(FUIIndexArray *)array queryCancelledWithError:(NSError *)error;
 
 @end
 
 /**
- * A FirebaseIndexArray instance uses a query's contents to query children of
+ * A FUIIndexArray instance uses a query's contents to query children of
  * a separate database reference, which is useful for displaying an indexed list
  * of data as described in https://firebase.google.com/docs/database/ios/structure-data
  */
-@interface FirebaseIndexArray : NSObject
+@interface FUIIndexArray : NSObject
 
 /**
  * An immutable copy of the loaded contents in the array. Returns an
@@ -121,7 +121,7 @@ didFailLoadWithError:(NSError *)error;
 /**
  * The delegate that this array should forward events to.
  */
-@property(nonatomic, weak) id<FirebaseIndexArrayDelegate> delegate;
+@property(nonatomic, weak) id<FUIIndexArrayDelegate> delegate;
 
 /**
  * Returns the number of items in the array.
@@ -131,7 +131,7 @@ didFailLoadWithError:(NSError *)error;
 - (instancetype)init NS_UNAVAILABLE;
 
 /**
- * Initializes a FirebaseIndexArray with an index query and a data query.
+ * Initializes a FUIIndexArray with an index query and a data query.
  * The array expects the keys of the children of the index query to match exactly children
  * of the data query.
  * @param index A Firebase database query whose childrens' keys are all children 
@@ -140,21 +140,21 @@ didFailLoadWithError:(NSError *)error;
  *   to populate the array's contents according to the index query.
  * @param delegate The delegate that events should be forwarded to.
  */
-- (instancetype)initWithIndex:(id<FIRDataObservable>)index
-                         data:(id<FIRDataObservable>)data
-                     delegate:(nullable id<FirebaseIndexArrayDelegate>)delegate NS_DESIGNATED_INITIALIZER;
+- (instancetype)initWithIndex:(id<FUIDataObservable>)index
+                         data:(id<FUIDataObservable>)data
+                     delegate:(nullable id<FUIIndexArrayDelegate>)delegate NS_DESIGNATED_INITIALIZER;
 
 /**
- * Initializes a FirebaseIndexArray with an index query and a data query.
+ * Initializes a FUIIndexArray with an index query and a data query.
  * The array expects the keys of the children of the index query to be children
  * of the data query.
  * @param index A Firebase database query whose childrens' keys are all children
  *   of the data query.
  * @param data  A Firebase database reference whose children will be fetched and used
  *   to populate the array's contents according to the index query.
  */
-- (instancetype)initWithIndex:(id<FIRDataObservable>)index
-                         data:(id<FIRDataObservable>)data;
+- (instancetype)initWithIndex:(id<FUIDataObservable>)index
+                         data:(id<FUIDataObservable>)data;
 
 /**
  * Returns the snapshot at the given index, if it has loaded.

FirebaseDatabaseUI/FirebaseIndexArray.m renamed to FirebaseDatabaseUI/FUIIndexArray.m

@@ -18,27 +18,27 @@
 
 // clang-format on
 
-#import "FirebaseIndexArray.h"
-#import "FirebaseQueryObserver.h"
+#import "FUIIndexArray.h"
+#import "FUIQueryObserver.h"
 
-@interface FirebaseIndexArray () <FUIArrayDelegate>
+@interface FUIIndexArray () <FUIArrayDelegate>
 
-@property (nonatomic, readonly) id<FIRDataObservable> index;
-@property (nonatomic, readonly) id<FIRDataObservable> data;
+@property (nonatomic, readonly) id<FUIDataObservable> index;
+@property (nonatomic, readonly) id<FUIDataObservable> data;
 
 @property (nonatomic, readonly) FUIArray *indexArray;
 
-@property (nonatomic, readonly) NSMutableArray<FirebaseQueryObserver *> *observers;
+@property (nonatomic, readonly) NSMutableArray<FUIQueryObserver *> *observers;
 
 @end
 
 /**
- * FirebaseIndexArray manages an instance of FirebaseArray internally to
+ * FUIIndexArray manages an instance of FirebaseArray internally to
  * keep track of which queries it should be updating. The FirebaseArrayDelegate
  * methods are responsible for keeping observers up-to-date as the contents of
  * the FirebaseArray change.
  */
-@implementation FirebaseIndexArray
+@implementation FUIIndexArray
 
 - (instancetype)init {
   NSException *e =
@@ -48,9 +48,9 @@ - (instancetype)init {
   @throw e;
 }
 
-- (instancetype)initWithIndex:(id<FIRDataObservable>)index
-                         data:(id<FIRDataObservable>)data
-                     delegate:(nullable id<FirebaseIndexArrayDelegate>)delegate; {
+- (instancetype)initWithIndex:(id<FUIDataObservable>)index
+                         data:(id<FUIDataObservable>)data
+                     delegate:(nullable id<FUIIndexArrayDelegate>)delegate; {
   NSParameterAssert(index != nil);
   NSParameterAssert(data != nil);
   self = [super init];
@@ -64,8 +64,8 @@ - (instancetype)initWithIndex:(id<FIRDataObservable>)index
   return self;
 }
 
-- (instancetype)initWithIndex:(id<FIRDataObservable>)index
-                         data:(id<FIRDataObservable>)data {
+- (instancetype)initWithIndex:(id<FUIDataObservable>)index
+                         data:(id<FUIDataObservable>)data {
   return [self initWithIndex:index data:data delegate:nil];
 }
 
@@ -76,7 +76,7 @@ - (void)observeQueries {
 - (NSArray <FIRDataSnapshot *> *)items {
   NSArray *observers = [self.observers copy];
   NSMutableArray *array = [[NSMutableArray alloc] initWithCapacity:observers.count];
-  for (FirebaseQueryObserver *observer in observers) {
+  for (FUIQueryObserver *observer in observers) {
     if (observer.contents != nil) {
       [array addObject:observer.contents];
     }
@@ -88,10 +88,10 @@ - (NSUInteger)count {
   return self.observers.count;
 }
 
-// FirebaseIndexArray instance becomes unusable after invalidation.
+// FUIIndexArray instance becomes unusable after invalidation.
 - (void)invalidate {
   for (NSInteger i = 0; i < self.observers.count; i++) {
-    FirebaseQueryObserver *observer = self.observers[i];
+    FUIQueryObserver *observer = self.observers[i];
     [observer removeAllObservers];
   }
   _observers = nil;
@@ -107,7 +107,7 @@ - (void)dealloc {
 
 #pragma mark - FirebaseArrayDelegate
 
-- (void)observer:(FirebaseQueryObserver *)obs
+- (void)observer:(FUIQueryObserver *)obs
 didFinishLoadWithSnap:(FIRDataSnapshot *)snap
            error:(NSError *)error {
   // Need to look up location in array to account for possible moves
@@ -129,10 +129,10 @@ - (void)array:(FUIArray *)array
  didAddObject:(FIRDataSnapshot *)object
       atIndex:(NSUInteger)index {
   NSParameterAssert([object.key isKindOfClass:[NSString class]]);
-  id<FIRDataObservable> query = [self.data child:object.key];
+  id<FUIDataObservable> query = [self.data child:object.key];
   __weak typeof(self) wSelf = self;
-  FirebaseQueryObserver *obs = [FirebaseQueryObserver observerForQuery:query
-                                                            completion:^(FirebaseQueryObserver *observer,
+  FUIQueryObserver *obs = [FUIQueryObserver observerForQuery:query
+                                                            completion:^(FUIQueryObserver *observer,
                                                                          FIRDataSnapshot *snap,
                                                                          NSError *error) {
     [wSelf observer:observer didFinishLoadWithSnap:snap error:error];
@@ -149,7 +149,7 @@ - (void)array:(FUIArray *)array
     fromIndex:(NSUInteger)fromIndex
       toIndex:(NSUInteger)toIndex {
   NSParameterAssert([object.key isKindOfClass:[NSString class]]);
-  FirebaseQueryObserver *obs = self.observers[fromIndex];
+  FUIQueryObserver *obs = self.observers[fromIndex];
 
   [self.observers removeObjectAtIndex:fromIndex];
   [self.observers insertObject:obs atIndex:toIndex];
@@ -169,9 +169,9 @@ - (void)array:(FUIArray *)array
 
   // Add new observer
   __weak typeof(self) wSelf = self;
-  id<FIRDataObservable> query = [self.data child:object.key];
-  FirebaseQueryObserver *obs = [FirebaseQueryObserver observerForQuery:query
-                                                            completion:^(FirebaseQueryObserver *observer,
+  id<FUIDataObservable> query = [self.data child:object.key];
+  FUIQueryObserver *obs = [FUIQueryObserver observerForQuery:query
+                                                            completion:^(FUIQueryObserver *observer,
                                                                          FIRDataSnapshot *snap,
                                                                          NSError *error) {
     [wSelf observer:observer didFinishLoadWithSnap:snap error:error];
@@ -191,7 +191,7 @@ - (void)array:(FUIArray *)array
 
   [self.observers removeObjectAtIndex:index];
 
-  id<FIRDataObservable> query = [self.data child:object.key];
+  id<FUIDataObservable> query = [self.data child:object.key];
   if ([self.delegate respondsToSelector:@selector(array:didRemoveReference:atIndex:)]) {
     [self.delegate array:self didRemoveReference:query atIndex:index];
   }