Revision: 15993
http://sourceforge.net/p/skim-app/code/15993
Author: hofman
Date: 2026-01-10 16:35:36 +0000 (Sat, 10 Jan 2026)
Log Message:
-----------
rewind using timer rather than GCD so we can cancel it
Modified Paths:
--------------
trunk/SKPDFView.m
Modified: trunk/SKPDFView.m
===================================================================
--- trunk/SKPDFView.m 2026-01-10 15:46:01 UTC (rev 15992)
+++ trunk/SKPDFView.m 2026-01-10 16:35:36 UTC (rev 15993)
@@ -557,7 +557,7 @@
#pragma mark Accessors
- (void)setDocument:(PDFDocument *)document {
- rewindPage = nil;
+ [self setNeedsRewind:nil];
BOOL shouldHideReadingBar = [syncDot shouldHideReadingBar];
[syncDot invalidate];
@@ -1531,24 +1531,28 @@
}
}
+- (void)doInitialRewind {
+ if (rewindPage && [self pageForPoint:SKCenterPoint([self
unobscuredContentRect]) nearest:NO] != rewindPage)
+ [self doRewind];
+}
+
+- (void)doFinalRewind {
+ if (rewindPage && [[self currentPage] isEqual:rewindPage] == NO)
+ [self doRewind];
+ rewindPage = nil;
+}
+
- (BOOL)needsRewind {
return rewindPage != nil;
}
- (void)setNeedsRewind:(BOOL)flag {
+ [[self class] cancelPreviousPerformRequestsWithTarget:self
selector:@selector(doInitialRewind) object:nil];
+ [[self class] cancelPreviousPerformRequestsWithTarget:self
selector:@selector(doFinalRewind) object:nil];
if (flag) {
rewindPage = [self currentPage];
- DISPATCH_MAIN_AFTER_SEC(0.0, ^{
- if (rewindPage && [self pageForPoint:SKCenterPoint([self
unobscuredContentRect]) nearest:NO] != rewindPage)
- [self doRewind];
- });
- DISPATCH_MAIN_AFTER_SEC(0.25, ^{
- if (rewindPage) {
- if ([[self currentPage] isEqual:rewindPage] == NO)
- [self doRewind];
- rewindPage = nil;
- }
- });
+ [self performSelector:@selector(doInitialRewind) withObject:nil
afterDelay:0.0];
+ [self performSelector:@selector(doFinalRewind) withObject:nil
afterDelay:0.25];
} else {
rewindPage = nil;
}
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