Revision: 29463
http://sourceforge.net/p/bibdesk/svn/29463
Author: hofman
Date: 2025-08-25 09:16:43 +0000 (Mon, 25 Aug 2025)
Log Message:
-----------
observe canGoBack canGoForward and loading of webView
Modified Paths:
--------------
trunk/bibdesk/BDSKTextImportController.m
Modified: trunk/bibdesk/BDSKTextImportController.m
===================================================================
--- trunk/bibdesk/BDSKTextImportController.m 2025-08-25 08:53:06 UTC (rev
29462)
+++ trunk/bibdesk/BDSKTextImportController.m 2025-08-25 09:16:43 UTC (rev
29463)
@@ -93,6 +93,8 @@
BDSKWebViewCustomMenuActionDownloadLink
};
+static char BDSKTextImportWebViewObservationContext;
+
#if MAC_OS_X_VERSION_MAX_ALLOWED < 110300
@class WKDownload;
#define WKNavigationActionPolicyDownload 2
@@ -136,8 +138,6 @@
- (void)updateColumnWidths;
- (void)updateLinkedFileUI;
-- (void)setLoading:(BOOL)loading;
-
- (void)cancelDownload;
- (void)setLocalUrlFromDownload;
- (void)setDownloading:(BOOL)downloading;
@@ -656,14 +656,26 @@
[backButton setAction:@selector(goBack:)];
[forwardButton setTarget:webView];
[forwardButton setAction:@selector(goForward:)];
+
+ [webView addObserver:self forKeyPath:@"canGoBack" options:0
context:&BDSKTextImportWebViewObservationContext];
+ [webView addObserver:self forKeyPath:@"canGoForward" options:0
context:&BDSKTextImportWebViewObservationContext];
+ [webView addObserver:self forKeyPath:@"loading" options:0
context:&BDSKTextImportWebViewObservationContext];
}
- (void)clearWebView {
[webView setNavigationDelegate:nil];
[webView setUIDelegate:nil];
+
[[[webView configuration] userContentController]
removeScriptMessageHandlerForName:@"hoverLink"];
[[[webView configuration] userContentController]
removeScriptMessageHandlerForName:@"selectionChanged"];
[[[webView configuration] userContentController] removeAllUserScripts];
+
+ @try {
+ [webView removeObserver:self forKeyPath:@"canGoBack"
context:&BDSKTextImportWebViewObservationContext];
+ [webView removeObserver:self forKeyPath:@"canGoForward"
context:&BDSKTextImportWebViewObservationContext];
+ [webView removeObserver:self forKeyPath:@"loading"
context:&BDSKTextImportWebViewObservationContext];
+ }
+ @catch (id e) {}
}
- (void)loadPasteboardData{
@@ -981,20 +993,12 @@
#pragma mark WKNavigationDelegate protocol
- (void)webView:(WKWebView *)aWebView
didStartProvisionalNavigation:(WKNavigation *)navigation {
- [self setLoading:YES];
}
- (void)webView:(WKWebView *)aWebView didFinishNavigation:(WKNavigation
*)navigation {
- [self setLoading:[webView isLoading]];
- [backButton setEnabled:[webView canGoBack]];
- [forwardButton setEnabled:[webView canGoForward]];
}
- (void)webView:(WKWebView *)aWebView didFailNavigation:(WKNavigation
*)navigation withError:(NSError *)error {
- [self setLoading:[webView isLoading]];
- [backButton setEnabled:[webView canGoBack]];
- [forwardButton setEnabled:[webView canGoForward]];
-
if ([[error domain] isEqualToString:NSURLErrorDomain] == NO || [error
code] != NSURLErrorCancelled) {
NSURL *url = [webView URL];
NSString *errorHTML = [NSString
stringWithFormat:@"<html><head><title>%@</title></head><body><h1>%@</h1></body></html>",
NSLocalizedString(@"Error", @"Placeholder web group label"), [error
localizedDescription]];
@@ -1627,6 +1631,21 @@
}
}
+#pragma mark KVO Observing
+
+- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object
change:(NSDictionary<NSKeyValueChangeKey,id> *)change context:(void *)context {
+ if (context == &BDSKTextImportWebViewObservationContext) {
+ if ([keyPath isEqualToString:@"loading"])
+ [self setLoading:[webView isLoading]];
+ else if ([keyPath isEqualToString:@"canGoBack"])
+ [backButton setEnabled:[webView canGoBack]];
+ else if ([keyPath isEqualToString:@"canGoForward"])
+ [forwardButton setEnabled:[webView canGoForward]];
+ } else {
+ [super observeValueForKeyPath:keyPath ofObject:object change:change
context:context];
+ }
+}
+
#pragma mark Touch Bar
- (NSTouchBar *)makeTouchBar {
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