Fix compilation isuses, add beginLoading method, etc.

PullToRefreshView.h

@@ -34,6 +34,7 @@ typedef enum {
 	kPullToRefreshViewStateNormal,
 	kPullToRefreshViewStateReady,
 	kPullToRefreshViewStateLoading,
+    kPullToRefreshViewStateProgrammaticRefresh,
 	kPullToRefreshViewStateOffline
 } PullToRefreshViewState;
 
@@ -57,8 +58,8 @@ typedef enum {
 - (void)refreshLastUpdatedDate;
 
 - (id)initWithScrollView:(UIScrollView *)scrollView;
-- (void)didFinishLoading;
-- (void)didStartLoading:(BOOL)scrollToReveal;
+- (void)finishedLoading;
+- (void)beginLoading;
 - (void)containingViewDidUnload;
 
 @end

PullToRefreshView.m

@@ -50,7 +50,7 @@ - (void)showActivity:(BOOL)show animated:(BOOL)animated {
 
     [UIView beginAnimations:nil context:nil];
     [UIView setAnimationDuration:(animated ? kPullToRefreshViewAnimationDuration : 0.0)];
-    arrowImage.opacity = (shouldShow ? 0.0 : 1.0);
+    arrowImage.opacity = (show ? 0.0 : 1.0);
     [UIView commitAnimations];
 }
 
@@ -130,8 +130,12 @@ - (void)refreshLastUpdatedDate {
 	[formatter release];
 }
 
+- (void)beginLoading {
+    [self setState:kPullToRefreshViewStateProgrammaticRefresh];
+}
+
 - (void)finishedLoading {
-    if (state == kPullToRefreshViewStateLoading) {
+    if (state == kPullToRefreshViewStateLoading || state == kPullToRefreshViewStateProgrammaticRefresh) {
         [UIView beginAnimations:nil context:NULL];
         [UIView setAnimationDuration:0.3f];
         [self setState:kPullToRefreshViewStateNormal];
@@ -158,6 +162,7 @@ - (void)setState:(PullToRefreshViewState)state_ {
             scrollView.contentInset = UIEdgeInsetsZero;
 		    break;
 		case kPullToRefreshViewStateLoading:
+        case kPullToRefreshViewStateProgrammaticRefresh:
 		    statusLabel.text = @"Loading…";
             [self showActivity:YES animated:YES];
             [self setImageFlipped:NO];
@@ -189,7 +194,7 @@ - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(N
 					// go to the ready state.
 					[self setState:kPullToRefreshViewStateReady];
 				}
-			} else if (state == kPullToRefreshViewStateLoading) {
+			} else if (state == kPullToRefreshViewStateLoading || state == kPullToRefreshViewStateProgrammaticRefresh) {
 				// if the user scrolls the view down while we're loading, make sure the loading screen is visible if they scroll to the top:
 
 				if (scrollView.contentOffset.y >= 0) {

testbuild.sh

@@ -0,0 +1,3 @@
+# this will fail with _main undefined, but should work otherwise
+/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/clang++ -isysroot /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.0.sdk PullToRefreshView.m -arch armv7 -framework Foundation -framework UIKit -miphoneos-version-min=4.0 -framework QuartzCore
+