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authorPaul Gardiner <paul.gardiner@artifex.com>2013-09-24 16:58:27 +0100
committerPaul Gardiner <paul.gardiner@artifex.com>2013-09-24 16:58:27 +0100
commitd4a69b3f24c3697cb0e77b7685468423c0949a71 (patch)
tree6677063014ee56fcdb45e8307805c87405d4b3b0 /platform/ios/Classes
parentaa8bf97eb104986fae3245bc675bd50dded01804 (diff)
downloadmupdf-d4a69b3f24c3697cb0e77b7685468423c0949a71.tar.xz
iOS: add reflow mode
Diffstat (limited to 'platform/ios/Classes')
-rw-r--r--platform/ios/Classes/MuDocumentController.h5
-rw-r--r--platform/ios/Classes/MuDocumentController.m112
-rw-r--r--platform/ios/Classes/MuPageView.h46
-rw-r--r--platform/ios/Classes/MuPageViewNormal.h41
-rw-r--r--platform/ios/Classes/MuPageViewNormal.m (renamed from platform/ios/Classes/MuPageView.m)18
-rw-r--r--platform/ios/Classes/MuPageViewReflow.h20
-rw-r--r--platform/ios/Classes/MuPageViewReflow.m136
7 files changed, 298 insertions, 80 deletions
diff --git a/platform/ios/Classes/MuDocumentController.h b/platform/ios/Classes/MuDocumentController.h
index b15d629a..3ec981f8 100644
--- a/platform/ios/Classes/MuDocumentController.h
+++ b/platform/ios/Classes/MuDocumentController.h
@@ -16,17 +16,19 @@
#import "MuOutlineController.h"
#import "MuDocRef.h"
-@interface MuDocumentController : UIViewController <UIScrollViewDelegate, UISearchBarDelegate>
+@interface MuDocumentController : UIViewController <UIScrollViewDelegate, UIGestureRecognizerDelegate, UISearchBarDelegate>
{
fz_document *doc;
MuDocRef *docRef;
NSString *key;
+ BOOL reflowMode;
MuOutlineController *outline;
UIScrollView *canvas;
UILabel *indicator;
UISlider *slider;
UISearchBar *searchBar;
UIBarButtonItem *nextButton, *prevButton, *cancelButton, *searchButton, *outlineButton, *linkButton;
+ UIBarButtonItem *reflowButton;
UIBarButtonItem *sliderWrapper;
int searchPage;
int cancelSearch;
@@ -35,6 +37,7 @@
int height;
int current; // currently visible page
int scroll_animating; // stop view updates during scrolling animations
+ float scale; // scale applied to views (only used in reflow mode)
}
- (id) initWithFilename: (NSString*)nsfilename document: (MuDocRef *)aDoc;
- (void) createPageView: (int)number;
diff --git a/platform/ios/Classes/MuDocumentController.m b/platform/ios/Classes/MuDocumentController.m
index 0b4f7d2e..29a9aadc 100644
--- a/platform/ios/Classes/MuDocumentController.m
+++ b/platform/ios/Classes/MuDocumentController.m
@@ -6,14 +6,17 @@
//
#include "common.h"
-#import "MuPageView.h"
+#import "MuPageViewNormal.h"
+#import "MuPageViewReflow.h"
#import "MuDocumentController.h"
#define GAP 20
#define INDICATOR_Y -44-24
#define SLIDER_W (width - GAP - 24)
#define SEARCH_W (width - GAP - 170)
+#define MIN_SCALE (1.0)
+#define MAX_SCALE (5.0)
static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_outline *outline, int level)
{
@@ -68,6 +71,11 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
return self;
}
+- (UIBarButtonItem *) resourceBasedButton:(NSString *)resource withAction:(SEL)selector
+{
+ return [[UIBarButtonItem alloc] initWithImage:[UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:resource ofType:@"png"]] style:UIBarButtonItemStylePlain target:self action:selector];
+}
+
- (void) loadView
{
[[NSUserDefaults standardUserDefaults] setObject: key forKey: @"OpenDocumentKey"];
@@ -87,7 +95,18 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
[canvas setShowsVerticalScrollIndicator: NO];
[canvas setDelegate: self];
- [canvas addGestureRecognizer: [[[UITapGestureRecognizer alloc] initWithTarget: self action: @selector(onTap:)] autorelease]];
+ UITapGestureRecognizer *tapRecog = [[UITapGestureRecognizer alloc] initWithTarget: self action: @selector(onTap:)];
+ tapRecog.delegate = self;
+ [canvas addGestureRecognizer: tapRecog];
+ [tapRecog release];
+ // In reflow mode, we need to track pinch gestures on the canvas and pass
+ // the scale changes to the subviews.
+ UIPinchGestureRecognizer *pinchRecog = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(onPinch:)];
+ pinchRecog.delegate = self;
+ [canvas addGestureRecognizer:pinchRecog];
+ [pinchRecog release];
+
+ scale = 1.0;
scroll_animating = NO;
@@ -115,26 +134,14 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
// Set up the buttons on the navigation and search bar
if (outline) {
- outlineButton = [[UIBarButtonItem alloc]
- initWithBarButtonSystemItem: UIBarButtonSystemItemBookmarks
- target:self action:@selector(onShowOutline:)];
+ outlineButton = [self resourceBasedButton:@"ic_list" withAction:@selector(onShowOutline:)];
}
- linkButton = [[UIBarButtonItem alloc]
- initWithBarButtonSystemItem: UIBarButtonSystemItemAction
- target:self action:@selector(onToggleLinks:)];
- cancelButton = [[UIBarButtonItem alloc]
- initWithTitle: @"Cancel" style: UIBarButtonItemStyleBordered
- target:self action:@selector(onCancelSearch:)];
- searchButton = [[UIBarButtonItem alloc]
- initWithBarButtonSystemItem: UIBarButtonSystemItemSearch
- target:self action:@selector(onShowSearch:)];
- prevButton = [[UIBarButtonItem alloc]
- initWithBarButtonSystemItem: UIBarButtonSystemItemRewind
- target:self action:@selector(onSearchPrev:)];
- nextButton = [[UIBarButtonItem alloc]
- initWithBarButtonSystemItem: UIBarButtonSystemItemFastForward
- target:self action:@selector(onSearchNext:)];
-
+ linkButton = [self resourceBasedButton:@"ic_link" withAction:@selector(onToggleLinks:)];
+ cancelButton = [self resourceBasedButton:@"ic_cancel" withAction:@selector(onCancelSearch:)];
+ searchButton = [self resourceBasedButton:@"ic_magnifying_glass" withAction:@selector(onShowSearch:)];
+ prevButton = [self resourceBasedButton:@"ic_arrow_left" withAction:@selector(onSearchPrev:)];
+ nextButton = [self resourceBasedButton:@"ic_arrow_right" withAction:@selector(onSearchNext:)];
+ reflowButton = [self resourceBasedButton:@"ic_reflow" withAction:@selector(onToggleReflow:)];
searchBar = [[UISearchBar alloc] initWithFrame: CGRectMake(0,0,50,32)];
[searchBar setPlaceholder: @"Search"];
[searchBar setDelegate: self];
@@ -145,7 +152,7 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
[nextButton setEnabled: NO];
[[self navigationItem] setRightBarButtonItems:
- [NSArray arrayWithObjects: searchButton, linkButton, outlineButton, nil]];
+ [NSArray arrayWithObjects: searchButton, outlineButton, reflowButton, linkButton, nil]];
// TODO: add activityindicator to search bar
@@ -159,6 +166,7 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
[indicator release]; indicator = nil;
[slider release]; slider = nil;
[sliderWrapper release]; sliderWrapper = nil;
+ [reflowButton release]; reflowButton = nil;
[searchBar release]; searchBar = nil;
[outlineButton release]; outlineButton = nil;
[searchButton release]; searchButton = nil;
@@ -204,13 +212,13 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
[canvas setContentSize: CGSizeMake(fz_count_pages(doc) * max_width, height)];
[canvas setContentOffset: CGPointMake(current * width, 0)];
- for (MuPageView *view in [canvas subviews]) {
+ for (UIView<MuPageView> *view in [canvas subviews]) {
if ([view number] == current) {
[view setFrame: CGRectMake([view number] * width, 0, width-GAP, height)];
[view willRotate];
}
}
- for (MuPageView *view in [canvas subviews]) {
+ for (UIView<MuPageView> *view in [canvas subviews]) {
if ([view number] != current) {
[view setFrame: CGRectMake([view number] * width, 0, width-GAP, height)];
[view willRotate];
@@ -279,7 +287,7 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
- (void) onToggleLinks: (id)sender
{
showLinks = !showLinks;
- for (MuPageView *view in [canvas subviews])
+ for (UIView<MuPageView> *view in [canvas subviews])
{
if (showLinks)
[view showLinks];
@@ -288,12 +296,19 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
}
}
+- (void) onToggleReflow: (id)sender
+{
+ reflowMode = !reflowMode;
+ [[canvas subviews] makeObjectsPerformSelector:@selector(removeFromSuperview)];
+ [self scrollViewDidScroll:canvas];
+}
+
- (void) onShowSearch: (id)sender
{
- [[self navigationItem] setTitleView: searchBar];
[[self navigationItem] setRightBarButtonItems:
[NSArray arrayWithObjects: nextButton, prevButton, nil]];
[[self navigationItem] setLeftBarButtonItem: cancelButton];
+ [[self navigationItem] setTitleView: searchBar];
[searchBar becomeFirstResponder];
}
@@ -311,7 +326,7 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
- (void) resetSearch
{
searchPage = -1;
- for (MuPageView *view in [canvas subviews])
+ for (UIView<MuPageView> *view in [canvas subviews])
[view clearSearchResults];
}
@@ -320,7 +335,7 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
printf("search found match on page %d\n", number);
searchPage = number;
[self gotoPage: number animated: NO];
- for (MuPageView *view in [canvas subviews])
+ for (UIView<MuPageView> *view in [canvas subviews])
if ([view number] == number)
[view showSearchResults: count];
else
@@ -430,6 +445,13 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
[self gotoPage: number animated: NO];
}
+- (BOOL) gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer
+{
+ // For reflow mode, we load UIWebViews into the canvas. Returning YES
+ // here prevents them stealing our tap and pinch events.
+ return YES;
+}
+
- (void) onTap: (UITapGestureRecognizer*)sender
{
CGPoint p = [sender locationInView: canvas];
@@ -450,6 +472,24 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
}
}
+- (void) onPinch:(UIPinchGestureRecognizer*)sender
+{
+ if (sender.state == UIGestureRecognizerStateBegan)
+ sender.scale = scale;
+
+ if (sender.scale < MIN_SCALE)
+ sender.scale = MIN_SCALE;
+
+ if (sender.scale > MAX_SCALE)
+ sender.scale = MAX_SCALE;
+
+ if (sender.state == UIGestureRecognizerStateEnded)
+ scale = sender.scale;
+
+ for (UIView<MuPageView> *view in [canvas subviews])
+ [view setScale:sender.scale];
+}
+
- (void) scrollViewWillBeginDragging: (UIScrollView *)scrollView
{
[self hideNavigationBar];
@@ -474,13 +514,13 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
// swap the distant page views out
NSMutableSet *invisiblePages = [[NSMutableSet alloc] init];
- for (MuPageView *view in [canvas subviews]) {
+ for (UIView<MuPageView> *view in [canvas subviews]) {
if ([view number] != current)
[view resetZoomAnimated: YES];
if ([view number] < current - 2 || [view number] > current + 2)
[invisiblePages addObject: view];
}
- for (MuPageView *view in invisiblePages)
+ for (UIView<MuPageView> *view in invisiblePages)
[view removeFromSuperview];
[invisiblePages release]; // don't bother recycling them...
@@ -498,11 +538,15 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
if (number < 0 || number >= fz_count_pages(doc))
return;
int found = 0;
- for (MuPageView *view in [canvas subviews])
+ for (UIView<MuPageView> *view in [canvas subviews])
if ([view number] == number)
found = 1;
if (!found) {
- MuPageView *view = [[MuPageView alloc] initWithFrame: CGRectMake(number * width, 0, width-GAP, height) document: docRef page: number];
+ UIView<MuPageView> *view
+ = reflowMode
+ ? [[MuPageViewReflow alloc] initWithFrame:CGRectMake(number * width, 0, width-GAP, height) document:docRef page:number]
+ : [[MuPageViewNormal alloc] initWithFrame:CGRectMake(number * width, 0, width-GAP, height) document:docRef page:number];
+ [view setScale:scale];
[canvas addSubview: view];
if (showLinks)
[view showLinks];
@@ -533,7 +577,7 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
[UIView setAnimationDelegate: self];
[UIView setAnimationDidStopSelector: @selector(onGotoPageFinished)];
- for (MuPageView *view in [canvas subviews])
+ for (UIView<MuPageView> *view in [canvas subviews])
[view resetZoomAnimated: NO];
[canvas setContentOffset: CGPointMake(number * width, 0)];
@@ -542,7 +586,7 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
[UIView commitAnimations];
} else {
- for (MuPageView *view in [canvas subviews])
+ for (UIView<MuPageView> *view in [canvas subviews])
[view resetZoomAnimated: NO];
[canvas setContentOffset: CGPointMake(number * width, 0)];
}
diff --git a/platform/ios/Classes/MuPageView.h b/platform/ios/Classes/MuPageView.h
index 58d1c8a7..963a4aa0 100644
--- a/platform/ios/Classes/MuPageView.h
+++ b/platform/ios/Classes/MuPageView.h
@@ -7,41 +7,13 @@
#import <UIKit/UIKit.h>
-#undef ABS
-#undef MIN
-#undef MAX
-
-#include "mupdf/fitz.h"
-
-#import "MuDocRef.h"
-#include "MuHitView.h"
-
-@interface MuPageView : UIScrollView <UIScrollViewDelegate>
-{
- MuDocRef *docRef;
- fz_document *doc;
- fz_page *page;
- int number;
- UIActivityIndicatorView *loadingView;
- UIImageView *imageView;
- UIImageView *tileView;
- MuHitView *hitView;
- MuHitView *linkView;
- CGSize pageSize;
- CGRect tileFrame;
- float tileScale;
- BOOL cancel;
-}
-- (id) initWithFrame: (CGRect)frame document: (MuDocRef*)aDoc page: (int)aNumber;
-- (void) displayImage: (UIImage*)image;
-- (void) resizeImage;
-- (void) loadPage;
-- (void) loadTile;
-- (void) willRotate;
-- (void) resetZoomAnimated: (BOOL)animated;
-- (void) showSearchResults: (int)count;
-- (void) clearSearchResults;
-- (void) showLinks;
-- (void) hideLinks;
-- (int) number;
+@protocol MuPageView
+-(int) number;
+-(void) willRotate;
+-(void) showLinks;
+-(void) hideLinks;
+-(void) showSearchResults: (int)count;
+-(void) clearSearchResults;
+-(void) resetZoomAnimated: (BOOL)animated;
+-(void) setScale:(float)scale;
@end
diff --git a/platform/ios/Classes/MuPageViewNormal.h b/platform/ios/Classes/MuPageViewNormal.h
new file mode 100644
index 00000000..1bd626fd
--- /dev/null
+++ b/platform/ios/Classes/MuPageViewNormal.h
@@ -0,0 +1,41 @@
+//
+// MuPageView.h
+// MuPDF
+//
+// Copyright (c) 2013 Artifex Software, Inc. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+#undef ABS
+#undef MIN
+#undef MAX
+
+#include "mupdf/fitz.h"
+
+#import "MuHitView.h"
+#import "MuPageView.h"
+#import "MuDocRef.h"
+
+@interface MuPageViewNormal : UIScrollView <UIScrollViewDelegate,MuPageView>
+{
+ MuDocRef *docRef;
+ fz_document *doc;
+ fz_page *page;
+ int number;
+ UIActivityIndicatorView *loadingView;
+ UIImageView *imageView;
+ UIImageView *tileView;
+ MuHitView *hitView;
+ MuHitView *linkView;
+ CGSize pageSize;
+ CGRect tileFrame;
+ float tileScale;
+ BOOL cancel;
+}
+- (id) initWithFrame: (CGRect)frame document: (MuDocRef *)aDoc page: (int)aNumber;
+- (void) displayImage: (UIImage*)image;
+- (void) resizeImage;
+- (void) loadPage;
+- (void) loadTile;
+@end
diff --git a/platform/ios/Classes/MuPageView.m b/platform/ios/Classes/MuPageViewNormal.m
index 6fa17f54..8cec8f02 100644
--- a/platform/ios/Classes/MuPageView.m
+++ b/platform/ios/Classes/MuPageViewNormal.m
@@ -19,12 +19,12 @@ static CGSize measurePage(fz_document *doc, fz_page *page)
static void releasePixmap(void *info, const void *data, size_t size)
{
- if (queue)
- dispatch_async(queue, ^{
- fz_drop_pixmap(ctx, info);
- });
- else
- fz_drop_pixmap(ctx, info);
+ if (queue)
+ dispatch_async(queue, ^{
+ fz_drop_pixmap(ctx, info);
+ });
+ else
+ fz_drop_pixmap(ctx, info);
}
static UIImage *newImageWithPixmap(fz_pixmap *pix)
@@ -109,9 +109,9 @@ static UIImage *renderTile(fz_document *doc, fz_page *page, CGSize screenSize, C
return newImageWithPixmap(pix);
}
-#import "MuPageView.h"
+#import "MuPageViewNormal.h"
-@implementation MuPageView
+@implementation MuPageViewNormal
- (id) initWithFrame: (CGRect)frame document: (MuDocRef *)aDoc page: (int)aNumber
{
@@ -461,4 +461,6 @@ static UIImage *renderTile(fz_document *doc, fz_page *page, CGSize screenSize, C
[hitView setFrame: [imageView frame]];
}
+- (void) setScale:(float)scale {}
+
@end
diff --git a/platform/ios/Classes/MuPageViewReflow.h b/platform/ios/Classes/MuPageViewReflow.h
new file mode 100644
index 00000000..28638bc8
--- /dev/null
+++ b/platform/ios/Classes/MuPageViewReflow.h
@@ -0,0 +1,20 @@
+//
+// MuPageViewReflow.h
+// MuPDF
+//
+// Copyright (c) 2013 Artifex Software, Inc. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+#import "MuDocRef.h"
+#import "MuPageView.h"
+
+@interface MuPageViewReflow : UIWebView <UIWebViewDelegate,UIGestureRecognizerDelegate,MuPageView>
+{
+ int number;
+ float scale;
+}
+
+-(id) initWithFrame:(CGRect)frame document:(MuDocRef *)aDoc page:(int)aNumber;
+
+@end
diff --git a/platform/ios/Classes/MuPageViewReflow.m b/platform/ios/Classes/MuPageViewReflow.m
new file mode 100644
index 00000000..541731fb
--- /dev/null
+++ b/platform/ios/Classes/MuPageViewReflow.m
@@ -0,0 +1,136 @@
+//
+// MuPageViewReflow.m
+// MuPDF
+//
+// Copyright (c) 2013 Artifex Software, Inc. All rights reserved.
+//
+
+#include "common.h"
+#import "MuPageViewReflow.h"
+
+NSString *textAsHtml(fz_document *doc, int pageNum)
+{
+ NSString *str = nil;
+ fz_page *page = NULL;
+ fz_text_sheet *sheet = NULL;
+ fz_text_page *text = NULL;
+ fz_device *dev = NULL;
+ fz_matrix ctm;
+ fz_buffer *buf = NULL;
+ fz_output *out = NULL;
+
+ fz_var(page);
+ fz_var(sheet);
+ fz_var(text);
+ fz_var(dev);
+ fz_var(buf);
+ fz_var(out);
+
+ fz_try(ctx)
+ {
+ int b, l, s, c;
+
+ ctm = fz_identity;
+ sheet = fz_new_text_sheet(ctx);
+ text = fz_new_text_page(ctx);
+ dev = fz_new_text_device(ctx, sheet, text);
+ page = fz_load_page(doc, pageNum);
+ fz_run_page(doc, page, dev, &ctm, NULL);
+ fz_free_device(dev);
+ dev = NULL;
+
+ fz_analyze_text(ctx, sheet, text);
+
+ buf = fz_new_buffer(ctx, 256);
+ out = fz_new_output_with_buffer(ctx, buf);
+ fz_printf(out, "<html>\n");
+ fz_printf(out, "<style>\n");
+ fz_printf(out, "body{margin:0;}\n");
+ fz_printf(out, "div.page{background-color:white;}\n");
+ fz_printf(out, "div.block{margin:0pt;padding:0pt;}\n");
+ fz_printf(out, "div.metaline{display:table;width:100%%}\n");
+ fz_printf(out, "div.line{display:table-row;}\n");
+ fz_printf(out, "div.cell{display:table-cell;padding-left:0.25em;padding-right:0.25em}\n");
+ //fz_printf(out, "p{margin:0;padding:0;}\n");
+ fz_printf(out, "</style>\n");
+ fz_printf(out, "<body style=\"margin:0\"><div style=\"padding:10px\" id=\"content\">");
+ fz_print_text_page_html(ctx, out, text);
+ fz_printf(out, "</div></body>\n");
+ fz_printf(out, "<style>\n");
+ fz_print_text_sheet(ctx, out, sheet);
+ fz_printf(out, "</style>\n</html>\n");
+ fz_close_output(out);
+ out = NULL;
+
+ str = [[[NSString alloc] initWithBytes:buf->data length:buf->len encoding:NSUTF8StringEncoding] autorelease];
+ }
+ fz_always(ctx)
+ {
+ fz_free_text_page(ctx, text);
+ fz_free_text_sheet(ctx, sheet);
+ fz_free_device(dev);
+ fz_close_output(out);
+ fz_drop_buffer(ctx, buf);
+ fz_free_page(doc, page);
+ }
+ fz_catch(ctx)
+ {
+ str = nil;
+ }
+
+ return str;
+}
+
+@implementation MuPageViewReflow
+
+- (id)initWithFrame:(CGRect)frame document:(MuDocRef *)aDoc page:(int)aNumber
+{
+ self = [super initWithFrame:frame];
+ if (self) {
+ number = aNumber;
+ scale = 1.0;
+ self.scalesPageToFit = NO;
+ [self setDelegate:self];
+ dispatch_async(queue, ^{
+ __block NSString *cont = [textAsHtml(aDoc->doc, aNumber) retain];
+ dispatch_async(dispatch_get_main_queue(), ^{
+ [self loadHTMLString:cont baseURL:nil];
+ });
+ });
+ }
+ return self;
+}
+
+-(void) webViewDidFinishLoad:(UIWebView *)webView
+{
+ [self stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@"document.getElementById('content').style.zoom=\"%f\"", scale]];
+}
+
+-(void) dealloc
+{
+ [self setDelegate:nil];
+ [super dealloc];
+}
+
+-(int) number
+{
+ return number;
+}
+
+-(void) willRotate {}
+-(void) showLinks {}
+-(void) hideLinks {}
+-(void) showSearchResults: (int)count {}
+-(void) clearSearchResults {}
+-(void) resetZoomAnimated: (BOOL)animated
+{
+ [self.scrollView setContentOffset:CGPointZero animated:NO];
+}
+
+-(void) setScale:(float)aFloat
+{
+ scale = aFloat;
+ [self stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@"document.getElementById('content').style.zoom=\"%f\"", scale]];
+}
+
+@end