Add basic token replacement to our custom HTML.

dannygreg · Feb 18, 2012 · 9e133e4 · 9e133e4
1 parent b05e94e
commit 9e133e4
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Showing 2 changed files with 14 additions and 2 deletions.
diff --git a/AppDelegate.m b/AppDelegate.m
@@ -14,6 +14,8 @@
 #import <QTKit/QTKit.h>
 #import <WebKit/WebKit.h>
 
+NSString *const AppDelegateHTMLImagePlaceholder = @"#{IMAGE_URL}#";
+
 @implementation AppDelegate
 
 @synthesize window = _window;
@@ -54,7 +56,16 @@ -(void) setTheLoopCount:(int)theLoopCount
 - (void)awakeFromNib
 {
 	NSURL *htmlFileURL = [[NSBundle mainBundle] URLForResource:@"cover" withExtension:@"html"];
-    [self.coverWebView setMainFrameURL:[htmlFileURL absoluteString]];
+    NSError *err = nil;
+    NSMutableString *html = [NSMutableString stringWithContentsOfURL:htmlFileURL encoding:NSUTF8StringEncoding error:&err];
+    if (html == nil) {
+        //Do something with the error
+        NSLog(@"%@", err);
+        return;
+    }
+
+    [html replaceOccurrencesOfString:AppDelegateHTMLImagePlaceholder withString:@"blah" options:0 range:NSMakeRange(0, html.length)];
+    [self.coverWebView.mainFrame loadHTMLString:html baseURL:nil];
 }
 
 - (void)applicationDidFinishLaunching:(NSNotification *)aNotification

diff --git a/cover.html b/cover.html
@@ -1,4 +1,5 @@
 <html>
 <body>
-<p>Hello World!</p>
+    <p>Hello World!</p>
+    <img src="#{IMAGE_URL}#">
 </body>