Implement chpwn's lazy-loading API for BrowserController.

[cydia.git] / UICaboodle / RVPage.mm

diff --git a/UICaboodle/RVPage.mm b/UICaboodle/RVPage.mm
index 9d77a86134decbd4e0eb859554e0002d19bccbed..1f366c1b18e42aefc456e191b896ef43ac7dda9c 100644 (file)
--- a/UICaboodle/RVPage.mm
+++ b/UICaboodle/RVPage.mm
@@ -5,79 +5,66 @@
 
 #import "RVBook.h"
 
-@implementation RVPage
+extern bool IsWildcat_;
 
-- (NSString *) title {
-    [self doesNotRecognizeSelector:_cmd];
-    return nil;
-}
-
-- (NSString *) backButtonTitle {
-    return nil;
-}
-
-- (NSString *) leftButtonTitle {
-    return nil;
-}
+@implementation UIViewController (Cydia)
 
-- (id) rightButtonTitle {
-    return nil;
+- (BOOL) hasLoaded {
+    return YES;
 }
 
-- (UINavigationButtonStyle) leftButtonStyle {
-    return [self leftButtonTitle] == nil ? UINavigationButtonStyleBack : UINavigationButtonStyleNormal;
-}
+@end
 
-- (UINavigationButtonStyle) rightButtonStyle {
-    return UINavigationButtonStyleNormal;
-}
+@implementation CYViewController
 
-- (void) _rightButtonClicked {
-    [self doesNotRecognizeSelector:_cmd];
+- (void) setDelegate:(id)delegate {
+    delegate_ = delegate;
 }
 
-- (void) _leftButtonClicked {
-    [self doesNotRecognizeSelector:_cmd];
+- (id) delegate {
+    return delegate_;
 }
 
-- (UIView *) accessoryView {
-    return nil;
-}
+- (void) viewWillAppear:(BOOL)animated {
+    [super viewWillAppear:animated];
 
-- (UIImage *) rightButtonImage {
-    return nil;
+    // Load on first appearance. We don't need to set the loaded flag here
+    // because it is set for us the first time -reloadData is called.
+    if (![self hasLoaded])
+        [self reloadData];
 }
 
-- (void) setPageActive:(BOOL)active {
+- (BOOL) hasLoaded {
+    return loaded_;
 }
 
-- (void) resetViewAnimated:(BOOL)animated {
-    [self doesNotRecognizeSelector:_cmd];
+- (void) releaseSubviews {
+    // Do nothing.
 }
 
-- (void) setBackButtonTitle:(NSString *)title {
-    [book_ setBackButtonTitle:title forPage:self];
-}
+- (void) setView:(UIView *)view {
+    // Nasty hack for 2.x-compatibility. In 3.0+, we can and
+    // should just override -viewDidUnload instead.
+    if (view == nil)
+        [self releaseSubviews];
 
-- (void) reloadButtons {
-    [book_ reloadButtonsForPage:self];
+    [super setView:view];
 }
 
 - (void) reloadData {
+    // This is called automatically on the first appearance of a controller,
+    // or any other time it needs to reload the information shown. However (!),
+    // this is not called by any tab bar or navigation controller's -reloadData
+    // method unless this controller returns YES from -hadLoaded.
+    loaded_ = YES;
 }
 
-- (id) initWithBook:(RVBook *)book {
-    if ((self = [super initWithFrame:[book pageBounds]]) != nil) {
-        book_ = book;
-    } return self;
-}
-
-- (void) setDelegate:(id)delegate {
-    delegate_ = delegate;
+- (NSURL *) navigationURL {
+    return nil;
 }
 
-- (void) setBook:(RVBook *)book {
-    book_ = book;
+- (BOOL) shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)orientation {
+    return IsWildcat_ || orientation == UIInterfaceOrientationPortrait;
 }
 
 @end