Expose some API in snackbar public header

PiperOrigin-RevId: 598975602

components/Snackbar/src/MDCSnackbarMessageView.h

@@ -18,6 +18,19 @@
 #import "MaterialElevation.h"
 #import "MaterialShadowElevations.h"
 
+@class MDCSnackbarManager;
+@class MDCSnackbarMessage;
+@class MDCSnackbarMessageAction;
+
+/**
+ Called by the Snackbar message view when the user interacts with the Snackbar view.
+
+ @c userInitiated indicates whether or not the handler is being called due to direct user
+ interaction. @c action, if non-nil, indicates that the user chose to execute a specific action.
+ */
+typedef void (^MDCSnackbarMessageDismissHandler)(BOOL userInitiated,
+                                                 MDCSnackbarMessageAction *_Nullable action);
+
 // TODO(b/238930139): Remove usage of this deprecated API.
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
@@ -133,6 +146,16 @@
  */
 @property(nonatomic, assign) BOOL enableDismissalAccessibilityAffordance;
 
+/**
+ Creates a Snackbar view to display @c message.
+
+ The view will call @c handler when the user has interacted with the Snackbar view in such a way
+ that it needs to be dismissed prior to its timer-based dismissal time.
+ */
+- (_Nonnull instancetype)initWithMessage:(MDCSnackbarMessage *_Nullable)message
+                          dismissHandler:(MDCSnackbarMessageDismissHandler _Nullable)handler
+                         snackbarManager:(MDCSnackbarManager *_Nonnull)manager;
+
 /**
  Returns the button title color for a particular control state.
 

components/Snackbar/src/private/MDCSnackbarMessageViewInternal.h

@@ -14,19 +14,8 @@
 
 #import "../MDCSnackbarMessageView.h"
 
-@class MDCSnackbarManager;
-@class MDCSnackbarMessage;
 @class MDCSnackbarMessageAction;
 
-/**
- Called by the Snackbar message view when the user interacts with the Snackbar view.
-
- @c userInitiated indicates whether or not the handler is being called due to direct user
- interaction. @c action, if non-nil, indicates that the user chose to execute a specific action.
- */
-typedef void (^MDCSnackbarMessageDismissHandler)(BOOL userInitiated,
-                                                 MDCSnackbarMessageAction *_Nullable action);
-
 @interface MDCSnackbarMessageView ()
 
 /**
@@ -54,16 +43,6 @@ typedef void (^MDCSnackbarMessageDismissHandler)(BOOL userInitiated,
  */
 @property(nonatomic) BOOL anchoredToScreenBottom;
 
-/**
- Creates a Snackbar view to display @c message.
-
- The view will call @c handler when the user has interacted with the Snackbar view in such a way
- that it needs to be dismissed prior to its timer-based dismissal time.
- */
-- (_Nonnull instancetype)initWithMessage:(MDCSnackbarMessage *_Nullable)message
-                          dismissHandler:(MDCSnackbarMessageDismissHandler _Nullable)handler
-                         snackbarManager:(MDCSnackbarManager *_Nonnull)manager;
-
 /**
  Dismisses the message view.