/ios/main.m
Objective C | 1661 lines | 1376 code | 260 blank | 25 comment | 156 complexity | 37defb9f823869aee7dbf05af83af310 MD5 | raw file
- #import <UIKit/UIKit.h>
- #undef ABS
- #undef MIN
- #undef MAX
- #include "fitz/fitz.h"
- #define GAP 20
- #define INDICATOR_Y -44-24
- #define SLIDER_W (width - GAP - 24)
- #define SEARCH_W (width - GAP - 170)
- static dispatch_queue_t queue;
- static float screenScale = 1;
- static fz_context *ctx = NULL;
- @interface MuLibraryController : UITableViewController <UIActionSheetDelegate>
- {
- NSArray *files;
- NSTimer *timer;
- fz_document *_doc; // temporaries for juggling password dialog
- NSString *_filename;
- }
- - (void) openDocument: (NSString*)filename;
- - (void) askForPassword: (NSString*)prompt;
- - (void) onPasswordOkay;
- - (void) onPasswordCancel;
- - (void) reload;
- @end
- @interface MuOutlineController : UITableViewController
- {
- id target;
- NSMutableArray *titles;
- NSMutableArray *pages;
- }
- - (id) initWithTarget: (id)aTarget titles: (NSMutableArray*)aTitles pages: (NSMutableArray*)aPages;
- @end
- @interface MuHitView : UIView
- {
- CGSize pageSize;
- int hitCount;
- CGRect hitRects[500];
- int linkPage[500];
- char *linkUrl[500];
- UIColor *color;
- }
- - (id) initWithSearchResults: (int)n forDocument: (fz_document *)doc;
- - (id) initWithLinks: (fz_link*)links forDocument: (fz_document *)doc;
- - (void) setPageSize: (CGSize)s;
- @end
- @interface MuPageView : UIScrollView <UIScrollViewDelegate>
- {
- 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: (fz_document*)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;
- @end
- @interface MuDocumentController : UIViewController <UIScrollViewDelegate, UISearchBarDelegate>
- {
- fz_document *doc;
- NSString *key;
- MuOutlineController *outline;
- UIScrollView *canvas;
- UILabel *indicator;
- UISlider *slider;
- UISearchBar *searchBar;
- UIBarButtonItem *nextButton, *prevButton, *cancelButton, *searchButton, *outlineButton, *linkButton;
- UIBarButtonItem *sliderWrapper;
- int searchPage;
- int cancelSearch;
- int showLinks;
- int width; // current screen size
- int height;
- int current; // currently visible page
- int scroll_animating; // stop view updates during scrolling animations
- }
- - (id) initWithFilename: (NSString*)nsfilename document: (fz_document *)aDoc;
- - (void) createPageView: (int)number;
- - (void) gotoPage: (int)number animated: (BOOL)animated;
- - (void) onShowOutline: (id)sender;
- - (void) onShowSearch: (id)sender;
- - (void) onCancelSearch: (id)sender;
- - (void) resetSearch;
- - (void) showSearchResults: (int)count forPage: (int)number;
- - (void) onSlide: (id)sender;
- - (void) onTap: (UITapGestureRecognizer*)sender;
- - (void) showNavigationBar;
- - (void) hideNavigationBar;
- @end
- @interface MuAppDelegate : NSObject <UIApplicationDelegate, UINavigationControllerDelegate>
- {
- UIWindow *window;
- UINavigationController *navigator;
- MuLibraryController *library;
- }
- @end
- #pragma mark -
- static int hit_count = 0;
- static fz_rect hit_bbox[500];
- static int
- search_page(fz_document *doc, int number, char *needle, fz_cookie *cookie)
- {
- fz_page *page = fz_load_page(doc, number);
- fz_text_sheet *sheet = fz_new_text_sheet(ctx);
- fz_text_page *text = fz_new_text_page(ctx, &fz_empty_rect);
- fz_device *dev = fz_new_text_device(ctx, sheet, text);
- fz_run_page(doc, page, dev, &fz_identity, cookie);
- fz_free_device(dev);
- hit_count = fz_search_text_page(ctx, text, needle, hit_bbox, nelem(hit_bbox));;
- fz_free_text_page(ctx, text);
- fz_free_text_sheet(ctx, sheet);
- fz_free_page(doc, page);
- return hit_count;
- }
- static fz_rect
- search_result_bbox(fz_document *doc, int i)
- {
- return hit_bbox[i];
- }
- static void showAlert(NSString *msg, NSString *filename)
- {
- UIAlertView *alert = [[UIAlertView alloc]
- initWithTitle: msg
- message: filename
- delegate: nil
- cancelButtonTitle: @"Okay"
- otherButtonTitles: nil];
- [alert show];
- [alert release];
- }
- static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_outline *outline, int level)
- {
- char indent[8*4+1];
- if (level > 8)
- level = 8;
- memset(indent, ' ', level * 4);
- indent[level * 4] = 0;
- while (outline)
- {
- if (outline->dest.kind == FZ_LINK_GOTO)
- {
- int page = outline->dest.ld.gotor.page;
- if (page >= 0 && outline->title)
- {
- NSString *title = [NSString stringWithUTF8String: outline->title];
- [titles addObject: [NSString stringWithFormat: @"%s%@", indent, title]];
- [pages addObject: [NSNumber numberWithInt: page]];
- }
- }
- flattenOutline(titles, pages, outline->down, level + 1);
- outline = outline->next;
- }
- }
- static void releasePixmap(void *info, const void *data, size_t size)
- {
- fz_drop_pixmap(ctx, info);
- }
- static UIImage *newImageWithPixmap(fz_pixmap *pix)
- {
- unsigned char *samples = fz_pixmap_samples(ctx, pix);
- int w = fz_pixmap_width(ctx, pix);
- int h = fz_pixmap_height(ctx, pix);
- CGDataProviderRef cgdata = CGDataProviderCreateWithData(pix, samples, w * 4 * h, releasePixmap);
- CGColorSpaceRef cgcolor = CGColorSpaceCreateDeviceRGB();
- CGImageRef cgimage = CGImageCreate(w, h, 8, 32, 4 * w,
- cgcolor, kCGBitmapByteOrderDefault,
- cgdata, NULL, NO, kCGRenderingIntentDefault);
- UIImage *image = [[UIImage alloc]
- initWithCGImage: cgimage
- scale: screenScale
- orientation: UIImageOrientationUp];
- CGDataProviderRelease(cgdata);
- CGColorSpaceRelease(cgcolor);
- CGImageRelease(cgimage);
- return image;
- }
- static CGSize fitPageToScreen(CGSize page, CGSize screen)
- {
- float hscale = screen.width / page.width;
- float vscale = screen.height / page.height;
- float scale = fz_min(hscale, vscale);
- hscale = floorf(page.width * scale) / page.width;
- vscale = floorf(page.height * scale) / page.height;
- return CGSizeMake(hscale, vscale);
- }
- static CGSize measurePage(fz_document *doc, fz_page *page)
- {
- CGSize pageSize;
- fz_rect bounds;
- fz_bound_page(doc, page, &bounds);
- pageSize.width = bounds.x1 - bounds.x0;
- pageSize.height = bounds.y1 - bounds.y0;
- return pageSize;
- }
- static UIImage *renderPage(fz_document *doc, fz_page *page, CGSize screenSize)
- {
- CGSize pageSize;
- fz_irect bbox;
- fz_matrix ctm;
- fz_device *dev;
- fz_pixmap *pix;
- CGSize scale;
- screenSize.width *= screenScale;
- screenSize.height *= screenScale;
- pageSize = measurePage(doc, page);
- scale = fitPageToScreen(pageSize, screenSize);
- fz_scale(&ctm, scale.width, scale.height);
- bbox = (fz_irect){0, 0, pageSize.width * scale.width, pageSize.height * scale.height};
- pix = fz_new_pixmap_with_bbox(ctx, fz_device_rgb, &bbox);
- fz_clear_pixmap_with_value(ctx, pix, 255);
- dev = fz_new_draw_device(ctx, pix);
- fz_run_page(doc, page, dev, &ctm, NULL);
- fz_free_device(dev);
- return newImageWithPixmap(pix);
- }
- static UIImage *renderTile(fz_document *doc, fz_page *page, CGSize screenSize, CGRect tileRect, float zoom)
- {
- CGSize pageSize;
- fz_irect bbox;
- fz_matrix ctm;
- fz_device *dev;
- fz_pixmap *pix;
- CGSize scale;
- screenSize.width *= screenScale;
- screenSize.height *= screenScale;
- tileRect.origin.x *= screenScale;
- tileRect.origin.y *= screenScale;
- tileRect.size.width *= screenScale;
- tileRect.size.height *= screenScale;
- pageSize = measurePage(doc, page);
- scale = fitPageToScreen(pageSize, screenSize);
- fz_scale(&ctm, scale.width * zoom, scale.height * zoom);
- bbox.x0 = tileRect.origin.x;
- bbox.y0 = tileRect.origin.y;
- bbox.x1 = tileRect.origin.x + tileRect.size.width;
- bbox.y1 = tileRect.origin.y + tileRect.size.height;
- pix = fz_new_pixmap_with_bbox(ctx, fz_device_rgb, &bbox);
- fz_clear_pixmap_with_value(ctx, pix, 255);
- dev = fz_new_draw_device(ctx, pix);
- fz_run_page(doc, page, dev, &ctm, NULL);
- fz_free_device(dev);
- return newImageWithPixmap(pix);
- }
- #pragma mark -
- @implementation MuLibraryController
- - (void) viewWillAppear: (BOOL)animated
- {
- [self setTitle: @"PDF, XPS and CBZ Documents"];
- [self reload];
- printf("library viewWillAppear (starting reload timer)\n");
- timer = [NSTimer timerWithTimeInterval: 3
- target: self selector: @selector(reload) userInfo: nil
- repeats: YES];
- [[NSRunLoop currentRunLoop] addTimer: timer forMode: NSDefaultRunLoopMode];
- }
- - (void) viewWillDisappear: (BOOL)animated
- {
- printf("library viewWillDisappear (stopping reload timer)\n");
- [timer invalidate];
- timer = nil;
- }
- - (void) reload
- {
- if (files) {
- [files release];
- files = nil;
- }
- NSFileManager *fileman = [NSFileManager defaultManager];
- NSString *docdir = [NSString stringWithFormat: @"%@/Documents", NSHomeDirectory()];
- NSMutableArray *outfiles = [[NSMutableArray alloc] init];
- NSDirectoryEnumerator *direnum = [fileman enumeratorAtPath:docdir];
- NSString *file;
- BOOL isdir;
- while (file = [direnum nextObject]) {
- NSString *filepath = [docdir stringByAppendingPathComponent:file];
- NSLog(@"file %@\n", file);
- if ([fileman fileExistsAtPath:filepath isDirectory:&isdir] && !isdir) {
- [outfiles addObject:file];
- }
- }
- files = outfiles;
- [[self tableView] reloadData];
- }
- - (void) dealloc
- {
- [files release];
- [super dealloc];
- }
- - (BOOL) shouldAutorotateToInterfaceOrientation: (UIInterfaceOrientation)o
- {
- return YES;
- }
- - (NSInteger) numberOfSectionsInTableView: (UITableView*)tableView
- {
- return 1;
- }
- - (NSInteger) tableView: (UITableView*)tableView numberOfRowsInSection: (NSInteger)section
- {
- return [files count] + 1;
- }
- - (void) actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
- {
- if (buttonIndex == [actionSheet destructiveButtonIndex])
- {
- char filename[PATH_MAX];
- int row = [actionSheet tag];
- dispatch_sync(queue, ^{});
- strcpy(filename, [NSHomeDirectory() UTF8String]);
- strcat(filename, "/Documents/");
- strcat(filename, [[files objectAtIndex: row - 1] UTF8String]);
- printf("delete document '%s'\n", filename);
- unlink(filename);
- [self reload];
- }
- }
- - (void) onTapDelete: (UIControl*)sender
- {
- int row = [sender tag];
- NSString *title = [NSString stringWithFormat: @"Delete %@?", [files objectAtIndex: row - 1]];
- UIActionSheet *sheet = [[UIActionSheet alloc]
- initWithTitle: title
- delegate: self
- cancelButtonTitle: @"Cancel"
- destructiveButtonTitle: @"Delete"
- otherButtonTitles: nil];
- [sheet setTag: row];
- [sheet showInView: [self tableView]];
- [sheet release];
- }
- - (UITableViewCell*) tableView: (UITableView*)tableView cellForRowAtIndexPath: (NSIndexPath*)indexPath
- {
- static NSString *cellid = @"MuCellIdent";
- UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier: cellid];
- if (!cell)
- cell = [[[UITableViewCell alloc] initWithStyle: UITableViewCellStyleDefault reuseIdentifier: cellid] autorelease];
- int row = [indexPath row];
- if (row == 0) {
- [[cell textLabel] setText: @"About MuPDF"];
- [[cell textLabel] setFont: [UIFont systemFontOfSize: 20]];
- } else {
- [[cell textLabel] setText: [files objectAtIndex: row - 1]];
- [[cell textLabel] setFont: [UIFont systemFontOfSize: 20]];
- }
- if (row > 0)
- {
- UIButton *deleteButton = [UIButton buttonWithType:UIButtonTypeCustom];
- [deleteButton setImage: [UIImage imageNamed: @"x_alt_blue.png"] forState: UIControlStateNormal];
- [deleteButton setFrame: CGRectMake(0, 0, 35, 35)];
- [deleteButton addTarget: self action: @selector(onTapDelete:) forControlEvents: UIControlEventTouchUpInside];
- [deleteButton setTag: row];
- [cell setAccessoryView: deleteButton];
- }
- else
- {
- [cell setAccessoryView: nil];
- }
- return cell;
- }
- - (void) tableView: (UITableView*)tableView didSelectRowAtIndexPath: (NSIndexPath*)indexPath
- {
- int row = [indexPath row];
- if (row == 0)
- [self openDocument: @"../MuPDF.app/About.xps"];
- else
- [self openDocument: [files objectAtIndex: row - 1]];
- }
- - (void) openDocument: (NSString*)nsfilename
- {
- char filename[PATH_MAX];
- dispatch_sync(queue, ^{});
- strcpy(filename, [NSHomeDirectory() UTF8String]);
- strcat(filename, "/Documents/");
- strcat(filename, [nsfilename UTF8String]);
- printf("open document '%s'\n", filename);
- _filename = [nsfilename retain];
- _doc = fz_open_document(ctx, filename);
- if (!_doc) {
- showAlert(@"Cannot open document", nsfilename);
- return;
- }
- if (fz_needs_password(_doc))
- [self askForPassword: @"'%@' needs a password:"];
- else
- [self onPasswordOkay];
- }
- - (void) askForPassword: (NSString*)prompt
- {
- UIAlertView *passwordAlertView = [[UIAlertView alloc]
- initWithTitle: @"Password Protected"
- message: [NSString stringWithFormat: prompt, [_filename lastPathComponent]]
- delegate: self
- cancelButtonTitle: @"Cancel"
- otherButtonTitles: @"Done", nil];
- [passwordAlertView setAlertViewStyle: UIAlertViewStyleSecureTextInput];
- [passwordAlertView show];
- [passwordAlertView release];
- }
- - (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
- {
- char *password = (char*) [[[alertView textFieldAtIndex: 0] text] UTF8String];
- [alertView dismissWithClickedButtonIndex: buttonIndex animated: TRUE];
- if (buttonIndex == 1) {
- if (fz_authenticate_password(_doc, password))
- [self onPasswordOkay];
- else
- [self askForPassword: @"Wrong password for '%@'. Try again:"];
- } else {
- [self onPasswordCancel];
- }
- }
- - (void) onPasswordOkay
- {
- MuDocumentController *document = [[MuDocumentController alloc] initWithFilename: _filename document: _doc];
- if (document) {
- [self setTitle: @"Library"];
- [[self navigationController] pushViewController: document animated: YES];
- [document release];
- }
- [_filename release];
- _doc = NULL;
- }
- - (void) onPasswordCancel
- {
- [_filename release];
- printf("close document (password cancel)\n");
- fz_close_document(_doc);
- _doc = NULL;
- }
- @end
- #pragma mark -
- @implementation MuOutlineController
- - (id) initWithTarget: (id)aTarget titles: (NSMutableArray*)aTitles pages: (NSMutableArray*)aPages
- {
- self = [super initWithStyle: UITableViewStylePlain];
- if (self) {
- [self setTitle: @"Table of Contents"];
- target = aTarget; // only keep a weak reference, to avoid retain cycles
- titles = [aTitles retain];
- pages = [aPages retain];
- [[self tableView] setSeparatorStyle: UITableViewCellSeparatorStyleNone];
- }
- return self;
- }
- - (void) dealloc
- {
- [titles release];
- [pages release];
- [super dealloc];
- }
- - (BOOL) shouldAutorotateToInterfaceOrientation: (UIInterfaceOrientation)o
- {
- return YES;
- }
- - (NSInteger) numberOfSectionsInTableView: (UITableView*)tableView
- {
- return 1;
- }
- - (NSInteger) tableView: (UITableView*)tableView numberOfRowsInSection: (NSInteger)section
- {
- return [titles count];
- }
- - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
- {
- return 28;
- }
- - (UITableViewCell*) tableView: (UITableView*)tableView cellForRowAtIndexPath: (NSIndexPath*)indexPath
- {
- static NSString *cellid = @"MuCellIdent";
- UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier: cellid];
- if (!cell)
- {
- cell = [[[UITableViewCell alloc] initWithStyle: UITableViewCellStyleValue1 reuseIdentifier: cellid] autorelease];
- [[cell textLabel] setFont: [UIFont systemFontOfSize: 16]];
- [[cell detailTextLabel] setFont: [UIFont systemFontOfSize: 16]];
- }
- NSString *title = [titles objectAtIndex: [indexPath row]];
- NSString *page = [pages objectAtIndex: [indexPath row]];
- [[cell textLabel] setText: title];
- [[cell detailTextLabel] setText: [NSString stringWithFormat: @"%d", [page intValue]+1]];
- return cell;
- }
- - (void) tableView: (UITableView*)tableView didSelectRowAtIndexPath: (NSIndexPath*)indexPath
- {
- NSNumber *page = [pages objectAtIndex: [indexPath row]];
- [target gotoPage: [page intValue] animated: NO];
- [[self navigationController] popViewControllerAnimated: YES];
- }
- @end
- #pragma mark -
- @implementation MuHitView
- - (id) initWithSearchResults: (int)n forDocument: (fz_document *)doc
- {
- self = [super initWithFrame: CGRectMake(0,0,100,100)];
- if (self) {
- [self setOpaque: NO];
- color = [[UIColor colorWithRed: 0x25/255.0 green: 0x72/255.0 blue: 0xAC/255.0 alpha: 0.5] retain];
- pageSize = CGSizeMake(100,100);
- for (int i = 0; i < n && i < nelem(hitRects); i++) {
- fz_rect bbox = search_result_bbox(doc, i); // this is thread-safe enough
- hitRects[i].origin.x = bbox.x0;
- hitRects[i].origin.y = bbox.y0;
- hitRects[i].size.width = bbox.x1 - bbox.x0;
- hitRects[i].size.height = bbox.y1 - bbox.y0;
- }
- hitCount = n;
- }
- return self;
- }
- - (id) initWithLinks: (fz_link*)link forDocument: (fz_document *)doc
- {
- self = [super initWithFrame: CGRectMake(0,0,100,100)];
- if (self) {
- [self setOpaque: NO];
- color = [[UIColor colorWithRed: 0xAC/255.0 green: 0x72/255.0 blue: 0x25/255.0 alpha: 0.5] retain];
- pageSize = CGSizeMake(100,100);
- while (link && hitCount < nelem(hitRects)) {
- if (link->dest.kind == FZ_LINK_GOTO || link->dest.kind == FZ_LINK_URI) {
- fz_rect bbox = link->rect;
- hitRects[hitCount].origin.x = bbox.x0;
- hitRects[hitCount].origin.y = bbox.y0;
- hitRects[hitCount].size.width = bbox.x1 - bbox.x0;
- hitRects[hitCount].size.height = bbox.y1 - bbox.y0;
- linkPage[hitCount] = link->dest.kind == FZ_LINK_GOTO ? link->dest.ld.gotor.page : -1;
- linkUrl[hitCount] = link->dest.kind == FZ_LINK_URI ? strdup(link->dest.ld.uri.uri) : nil;
- hitCount++;
- }
- link = link->next;
- }
- }
- return self;
- }
- - (void) setPageSize: (CGSize)s
- {
- pageSize = s;
- // if page takes a long time to load we may have drawn at the initial (wrong) size
- [self setNeedsDisplay];
- }
- - (void) drawRect: (CGRect)r
- {
- CGSize scale = fitPageToScreen(pageSize, self.bounds.size);
- [color set];
- for (int i = 0; i < hitCount; i++) {
- CGRect rect = hitRects[i];
- rect.origin.x *= scale.width;
- rect.origin.y *= scale.height;
- rect.size.width *= scale.width;
- rect.size.height *= scale.height;
- UIRectFill(rect);
- }
- }
- - (void) dealloc
- {
- int i;
- [color release];
- for (i = 0; i < hitCount; i++)
- free(linkUrl[i]);
- [super dealloc];
- }
- @end
- @implementation MuPageView
- - (id) initWithFrame: (CGRect)frame document: (fz_document*)aDoc page: (int)aNumber
- {
- self = [super initWithFrame: frame];
- if (self) {
- doc = aDoc;
- number = aNumber;
- cancel = NO;
- [self setShowsVerticalScrollIndicator: NO];
- [self setShowsHorizontalScrollIndicator: NO];
- [self setDecelerationRate: UIScrollViewDecelerationRateFast];
- [self setDelegate: self];
- // zoomDidFinish/Begin events fire before bounce animation completes,
- // making a mess when we rearrange views during the animation.
- [self setBouncesZoom: NO];
- [self resetZoomAnimated: NO];
- // TODO: use a one shot timer to delay the display of this?
- loadingView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
- [loadingView startAnimating];
- [self addSubview: loadingView];
- [self loadPage];
- }
- return self;
- }
- - (void) dealloc
- {
- // dealloc can trigger in background thread when the queued block is
- // our last owner, and releases us on completion.
- // Send the dealloc back to the main thread so we don't mess up UIKit.
- if (dispatch_get_current_queue() != dispatch_get_main_queue()) {
- __block id block_self = self; // don't auto-retain self!
- dispatch_async(dispatch_get_main_queue(), ^{ [block_self dealloc]; });
- } else {
- __block fz_page *block_page = page;
- __block fz_document *block_doc = doc;
- dispatch_async(queue, ^{
- if (block_page)
- fz_free_page(block_doc, block_page);
- block_page = nil;
- });
- [linkView release];
- [hitView release];
- [tileView release];
- [loadingView release];
- [imageView release];
- [super dealloc];
- }
- }
- - (int) number
- {
- return number;
- }
- - (void) showLinks
- {
- if (!linkView) {
- dispatch_async(queue, ^{
- if (!page)
- page = fz_load_page(doc, number);
- fz_link *links = fz_load_links(doc, page);
- dispatch_async(dispatch_get_main_queue(), ^{
- linkView = [[MuHitView alloc] initWithLinks: links forDocument: doc];
- dispatch_async(queue, ^{
- fz_drop_link(ctx, links);
- });
- if (imageView) {
- [linkView setFrame: [imageView frame]];
- [linkView setPageSize: pageSize];
- }
- [self addSubview: linkView];
- });
- });
- }
- }
- - (void) hideLinks
- {
- [linkView removeFromSuperview];
- [linkView release];
- linkView = nil;
- }
- - (void) showSearchResults: (int)count
- {
- if (hitView) {
- [hitView removeFromSuperview];
- [hitView release];
- hitView = nil;
- }
- hitView = [[MuHitView alloc] initWithSearchResults: count forDocument: doc];
- if (imageView) {
- [hitView setFrame: [imageView frame]];
- [hitView setPageSize: pageSize];
- }
- [self addSubview: hitView];
- }
- - (void) clearSearchResults
- {
- if (hitView) {
- [hitView removeFromSuperview];
- [hitView release];
- hitView = nil;
- }
- }
- - (void) resetZoomAnimated: (BOOL)animated
- {
- // discard tile and any pending tile jobs
- tileFrame = CGRectZero;
- tileScale = 1;
- if (tileView) {
- [tileView removeFromSuperview];
- [tileView release];
- tileView = nil;
- }
- [self setMinimumZoomScale: 1];
- [self setMaximumZoomScale: 5];
- [self setZoomScale: 1 animated: animated];
- }
- - (void) removeFromSuperview
- {
- cancel = YES;
- [super removeFromSuperview];
- }
- - (void) loadPage
- {
- if (number < 0 || number >= fz_count_pages(doc))
- return;
- dispatch_async(queue, ^{
- if (!cancel) {
- printf("render page %d\n", number);
- if (!page)
- page = fz_load_page(doc, number);
- CGSize size = measurePage(doc, page);
- UIImage *image = renderPage(doc, page, self.bounds.size);
- dispatch_async(dispatch_get_main_queue(), ^{
- pageSize = size;
- [self displayImage: image];
- [image release];
- });
- } else {
- printf("cancel page %d\n", number);
- }
- });
- }
- - (void) displayImage: (UIImage*)image
- {
- if (loadingView) {
- [loadingView removeFromSuperview];
- [loadingView release];
- loadingView = nil;
- }
- if (hitView)
- [hitView setPageSize: pageSize];
- if (!imageView) {
- imageView = [[UIImageView alloc] initWithImage: image];
- imageView.opaque = YES;
- [self addSubview: imageView];
- if (hitView)
- [self bringSubviewToFront: hitView];
- } else {
- [imageView setImage: image];
- }
- [self resizeImage];
- }
- - (void) resizeImage
- {
- if (imageView) {
- CGSize imageSize = imageView.image.size;
- CGSize scale = fitPageToScreen(imageSize, self.bounds.size);
- if (fabs(scale.width - 1) > 0.1) {
- CGRect frame = [imageView frame];
- frame.size.width = imageSize.width * scale.width;
- frame.size.height = imageSize.height * scale.height;
- [imageView setFrame: frame];
- printf("resized view; queuing up a reload (%d)\n", number);
- dispatch_async(queue, ^{
- dispatch_async(dispatch_get_main_queue(), ^{
- CGSize scale = fitPageToScreen(imageView.image.size, self.bounds.size);
- if (fabs(scale.width - 1) > 0.01)
- [self loadPage];
- });
- });
- } else {
- [imageView sizeToFit];
- }
- [self setContentSize: imageView.frame.size];
- [self layoutIfNeeded];
- }
- }
- - (void) willRotate
- {
- if (imageView) {
- [self resetZoomAnimated: NO];
- [self resizeImage];
- }
- }
- - (void) layoutSubviews
- {
- [super layoutSubviews];
- // center the image as it becomes smaller than the size of the screen
- CGSize boundsSize = self.bounds.size;
- CGRect frameToCenter = loadingView ? loadingView.frame : imageView.frame;
- // center horizontally
- if (frameToCenter.size.width < boundsSize.width)
- frameToCenter.origin.x = floor((boundsSize.width - frameToCenter.size.width) / 2);
- else
- frameToCenter.origin.x = 0;
- // center vertically
- if (frameToCenter.size.height < boundsSize.height)
- frameToCenter.origin.y = floor((boundsSize.height - frameToCenter.size.height) / 2);
- else
- frameToCenter.origin.y = 0;
- if (loadingView)
- loadingView.frame = frameToCenter;
- else
- imageView.frame = frameToCenter;
- if (hitView && imageView)
- [hitView setFrame: [imageView frame]];
- }
- - (UIView*) viewForZoomingInScrollView: (UIScrollView*)scrollView
- {
- return imageView;
- }
- - (void) loadTile
- {
- CGSize screenSize = self.bounds.size;
- tileFrame.origin = self.contentOffset;
- tileFrame.size = self.bounds.size;
- tileFrame = CGRectIntersection(tileFrame, imageView.frame);
- tileScale = self.zoomScale;
- CGRect frame = tileFrame;
- float scale = tileScale;
- CGRect viewFrame = frame;
- if (self.contentOffset.x < imageView.frame.origin.x)
- viewFrame.origin.x = 0;
- if (self.contentOffset.y < imageView.frame.origin.y)
- viewFrame.origin.y = 0;
- if (scale < 1.01)
- return;
- dispatch_async(queue, ^{
- __block BOOL isValid;
- dispatch_sync(dispatch_get_main_queue(), ^{
- isValid = CGRectEqualToRect(frame, tileFrame) && scale == tileScale;
- });
- if (!isValid) {
- printf("cancel tile\n");
- return;
- }
- if (!page)
- page = fz_load_page(doc, number);
- printf("render tile\n");
- UIImage *image = renderTile(doc, page, screenSize, viewFrame, scale);
- dispatch_async(dispatch_get_main_queue(), ^{
- isValid = CGRectEqualToRect(frame, tileFrame) && scale == tileScale;
- if (isValid) {
- tileFrame = CGRectZero;
- tileScale = 1;
- if (tileView) {
- [tileView removeFromSuperview];
- [tileView release];
- tileView = nil;
- }
- tileView = [[UIImageView alloc] initWithFrame: frame];
- [tileView setImage: image];
- [self addSubview: tileView];
- if (hitView)
- [self bringSubviewToFront: hitView];
- } else {
- printf("discard tile\n");
- }
- [image release];
- });
- });
- }
- - (void) scrollViewDidScrollToTop:(UIScrollView *)scrollView { [self loadTile]; }
- - (void) scrollViewDidEndScrollingAnimation:(UIScrollView *)scrollView { [self loadTile]; }
- - (void) scrollViewDidEndDecelerating:(UIScrollView *)scrollView { [self loadTile]; }
- - (void) scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate
- {
- if (!decelerate)
- [self loadTile];
- }
- - (void) scrollViewWillBeginZooming: (UIScrollView*)scrollView withView: (UIView*)view
- {
- // discard tile and any pending tile jobs
- tileFrame = CGRectZero;
- tileScale = 1;
- if (tileView) {
- [tileView removeFromSuperview];
- [tileView release];
- tileView = nil;
- }
- }
- - (void) scrollViewDidEndZooming: (UIScrollView*)scrollView withView: (UIView*)view atScale: (float)scale
- {
- [self loadTile];
- }
- - (void) scrollViewDidZoom: (UIScrollView*)scrollView
- {
- if (hitView && imageView)
- [hitView setFrame: [imageView frame]];
- }
- @end
- #pragma mark -
- @implementation MuDocumentController
- - (id) initWithFilename: (NSString*)filename document: (fz_document *)aDoc
- {
- self = [super init];
- if (!self)
- return nil;
- key = [filename retain];
- doc = aDoc;
- dispatch_sync(queue, ^{});
- fz_outline *root = fz_load_outline(doc);
- if (root) {
- NSMutableArray *titles = [[NSMutableArray alloc] init];
- NSMutableArray *pages = [[NSMutableArray alloc] init];
- flattenOutline(titles, pages, root, 0);
- if ([titles count])
- outline = [[MuOutlineController alloc] initWithTarget: self titles: titles pages: pages];
- [titles release];
- [pages release];
- fz_free_outline(ctx, root);
- }
- return self;
- }
- - (void) loadView
- {
- [[NSUserDefaults standardUserDefaults] setObject: key forKey: @"OpenDocumentKey"];
- current = [[NSUserDefaults standardUserDefaults] integerForKey: key];
- if (current < 0 || current >= fz_count_pages(doc))
- current = 0;
- UIView *view = [[UIView alloc] initWithFrame: CGRectZero];
- [view setAutoresizingMask: UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight];
- [view setAutoresizesSubviews: YES];
- canvas = [[UIScrollView alloc] initWithFrame: CGRectMake(0,0,GAP,0)];
- [canvas setAutoresizingMask: UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight];
- [canvas setPagingEnabled: YES];
- [canvas setShowsHorizontalScrollIndicator: NO];
- [canvas setShowsVerticalScrollIndicator: NO];
- [canvas setDelegate: self];
- [canvas addGestureRecognizer: [[[UITapGestureRecognizer alloc] initWithTarget: self action: @selector(onTap:)] autorelease]];
- scroll_animating = NO;
- indicator = [[UILabel alloc] initWithFrame: CGRectZero];
- [indicator setAutoresizingMask: UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin];
- [indicator setText: @"0000 of 9999"];
- [indicator sizeToFit];
- [indicator setCenter: CGPointMake(0, INDICATOR_Y)];
- [indicator setTextAlignment: UITextAlignmentCenter];
- [indicator setBackgroundColor: [[UIColor blackColor] colorWithAlphaComponent: 0.5]];
- [indicator setTextColor: [UIColor whiteColor]];
- [view addSubview: canvas];
- [view addSubview: indicator];
- slider = [[UISlider alloc] initWithFrame: CGRectZero];
- [slider setMinimumValue: 0];
- [slider setMaximumValue: fz_count_pages(doc) - 1];
- [slider addTarget: self action: @selector(onSlide:) forControlEvents: UIControlEventValueChanged];
- sliderWrapper = [[UIBarButtonItem alloc] initWithCustomView: slider];
- [self setToolbarItems: [NSArray arrayWithObjects: sliderWrapper, nil]];
- // Set up the buttons on the navigation and search bar
- if (outline) {
- outlineButton = [[UIBarButtonItem alloc]
- initWithBarButtonSystemItem: UIBarButtonSystemItemBookmarks
- target:self action:@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:)];
- searchBar = [[UISearchBar alloc] initWithFrame: CGRectMake(0,0,50,32)];
- [searchBar setPlaceholder: @"Search"];
- [searchBar setDelegate: self];
- // HACK to make transparent background
- [[searchBar.subviews objectAtIndex:0] removeFromSuperview];
- [prevButton setEnabled: NO];
- [nextButton setEnabled: NO];
- [[self navigationItem] setRightBarButtonItems:
- [NSArray arrayWithObjects: searchButton, linkButton, outlineButton, nil]];
- // TODO: add activityindicator to search bar
- [self setView: view];
- [view release];
- }
- - (void) dealloc
- {
- if (doc) {
- fz_document *self_doc = doc; // don't auto-retain self here!
- dispatch_async(queue, ^{
- printf("close document\n");
- fz_close_document(self_doc);
- });
- }
- [indicator release]; indicator = nil;
- [slider release]; slider = nil;
- [sliderWrapper release]; sliderWrapper = nil;
- [searchBar release]; searchBar = nil;
- [outlineButton release]; outlineButton = nil;
- [searchButton release]; searchButton = nil;
- [cancelButton release]; cancelButton = nil;
- [prevButton release]; prevButton = nil;
- [nextButton release]; nextButton = nil;
- [canvas release]; canvas = nil;
- [outline release];
- [key release];
- [super dealloc];
- }
- - (void) viewWillAppear: (BOOL)animated
- {
- [self setTitle: [key lastPathComponent]];
- [slider setValue: current];
- [indicator setText: [NSString stringWithFormat: @" %d of %d ", current+1, fz_count_pages(doc)]];
- [[self navigationController] setToolbarHidden: NO animated: animated];
- }
- - (void) viewWillLayoutSubviews
- {
- CGSize size = [canvas frame].size;
- int max_width = fz_max(width, size.width);
- width = size.width;
- height = size.height;
- [canvas setContentInset: UIEdgeInsetsZero];
- [canvas setContentSize: CGSizeMake(fz_count_pages(doc) * width, height)];
- [canvas setContentOffset: CGPointMake(current * width, 0)];
- [sliderWrapper setWidth: SLIDER_W];
- [searchBar setFrame: CGRectMake(0,0,SEARCH_W,32)];
- [[[self navigationController] toolbar] setNeedsLayout]; // force layout!
- // use max_width so we don't clamp the content offset too early during animation
- [canvas setContentSize: CGSizeMake(fz_count_pages(doc) * max_width, height)];
- [canvas setContentOffset: CGPointMake(current * width, 0)];
- for (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]) {
- if ([view number] != current) {
- [view setFrame: CGRectMake([view number] * width, 0, width-GAP, height)];
- [view willRotate];
- }
- }
- }
- - (void) viewDidAppear: (BOOL)animated
- {
- [self scrollViewDidScroll: canvas];
- }
- - (void) viewWillDisappear: (BOOL)animated
- {
- [self setTitle: @"Resume"];
- [[NSUserDefaults standardUserDefaults] removeObjectForKey: @"OpenDocumentKey"];
- [[self navigationController] setToolbarHidden: YES animated: animated];
- }
- - (void) showNavigationBar
- {
- if ([[self navigationController] isNavigationBarHidden]) {
- [[self navigationController] setNavigationBarHidden: NO];
- [[self navigationController] setToolbarHidden: NO];
- [indicator setHidden: NO];
- [UIView beginAnimations: @"MuNavBar" context: NULL];
- [[[self navigationController] navigationBar] setAlpha: 1];
- [[[self navigationController] toolbar] setAlpha: 1];
- [indicator setAlpha: 1];
- [UIView commitAnimations];
- }
- }
- - (void) hideNavigationBar
- {
- if (![[self navigationController] isNavigationBarHidden]) {
- [searchBar resignFirstResponder];
- [UIView beginAnimations: @"MuNavBar" context: NULL];
- [UIView setAnimationDelegate: self];
- [UIView setAnimationDidStopSelector: @selector(onHideNavigationBarFinished)];
- [[[self navigationController] navigationBar] setAlpha: 0];
- [[[self navigationController] toolbar] setAlpha: 0];
- [indicator setAlpha: 0];
- [UIView commitAnimations];
- }
- }
- - (void) onHideNavigationBarFinished
- {
- [[self navigationController] setNavigationBarHidden: YES];
- [[self navigationController] setToolbarHidden: YES];
- [indicator setHidden: YES];
- }
- - (void) onShowOutline: (id)sender
- {
- [[self navigationController] pushViewController: outline animated: YES];
- }
- - (void) onToggleLinks: (id)sender
- {
- showLinks = !showLinks;
- for (MuPageView *view in [canvas subviews])
- {
- if (showLinks)
- [view showLinks];
- else
- [view hideLinks];
- }
- }
- - (void) onShowSearch: (id)sender
- {
- [[self navigationItem] setTitleView: searchBar];
- [[self navigationItem] setRightBarButtonItems:
- [NSArray arrayWithObjects: nextButton, prevButton, nil]];
- [[self navigationItem] setLeftBarButtonItem: cancelButton];
- [searchBar becomeFirstResponder];
- }
- - (void) onCancelSearch: (id)sender
- {
- cancelSearch = YES;
- [searchBar resignFirstResponder];
- [[self navigationItem] setTitleView: nil];
- [[self navigationItem] setRightBarButtonItems:
- [NSArray arrayWithObjects: searchButton, linkButton, outlineButton, nil]];
- [[self navigationItem] setLeftBarButtonItem: nil];
- [self resetSearch];
- }
- - (void) resetSearch
- {
- searchPage = -1;
- for (MuPageView *view in [canvas subviews])
- [view clearSearchResults];
- }
- - (void) showSearchResults: (int)count forPage: (int)number
- {
- printf("search found match on page %d\n", number);
- searchPage = number;
- [self gotoPage: number animated: NO];
- for (MuPageView *view in [canvas subviews])
- if ([view number] == number)
- [view showSearchResults: count];
- else
- [view clearSearchResults];
- }
- - (void) searchInDirection: (int)dir
- {
- UITextField *searchField;
- char *needle;
- int start;
- [searchBar resignFirstResponder];
- if (searchPage == current)
- start = current + dir;
- else
- start = current;
- needle = strdup([[searchBar text] UTF8String]);
- searchField = nil;
- for (id view in [searchBar subviews])
- if ([view isKindOfClass: [UITextField class]])
- searchField = view;
- [prevButton setEnabled: NO];
- [nextButton setEnabled: NO];
- [searchField setEnabled: NO];
- cancelSearch = NO;
- dispatch_async(queue, ^{
- for (int i = start; i >= 0 && i < fz_count_pages(doc); i += dir) {
- int n = search_page(doc, i, needle, NULL);
- if (n) {
- dispatch_async(dispatch_get_main_queue(), ^{
- [prevButton setEnabled: YES];
- [nextButton setEnabled: YES];
- [searchField setEnabled: YES];
- [self showSearchResults: n forPage: i];
- free(needle);
- });
- return;
- }
- if (cancelSearch) {
- dispatch_async(dispatch_get_main_queue(), ^{
- [prevButton setEnabled: YES];
- [nextButton setEnabled: YES];
- [searchField setEnabled: YES];
- free(needle);
- });
- return;
- }
- }
- dispatch_async(dispatch_get_main_queue(), ^{
- printf("no search results found\n");
- [prevButton setEnabled: YES];
- [nextButton setEnabled: YES];
- [searchField setEnabled: YES];
- UIAlertView *alert = [[UIAlertView alloc]
- initWithTitle: @"No matches found for:"
- message: [NSString stringWithUTF8String: needle]
- delegate: nil
- cancelButtonTitle: @"Close"
- otherButtonTitles: nil];
- [alert show];
- [alert release];
- free(needle);
- });
- });
- }
- - (void) onSearchPrev: (id)sender
- {
- [self searchInDirection: -1];
- }
- - (void) onSearchNext: (id)sender
- {
- [self searchInDirection: 1];
- }
- - (void) searchBarSearchButtonClicked: (UISearchBar*)sender
- {
- [self onSearchNext: sender];
- }
- - (void) searchBar: (UISearchBar*)sender textDidChange: (NSString*)searchText
- {
- [self resetSearch];
- if ([[searchBar text] length] > 0) {
- [prevButton setEnabled: YES];
- [nextButton setEnabled: YES];
- } else {
- [prevButton setEnabled: NO];
- [nextButton setEnabled: NO];
- }
- }
- - (void) onSlide: (id)sender
- {
- int number = [slider value];
- if ([slider isTracking])
- [indicator setText: [NSString stringWithFormat: @" %d of %d ", number+1, fz_count_pages(doc)]];
- else
- [self gotoPage: number animated: NO];
- }
- - (void) onTap: (UITapGestureRecognizer*)sender
- {
- CGPoint p = [sender locationInView: canvas];
- CGPoint ofs = [canvas contentOffset];
- float x0 = (width - GAP) / 5;
- float x1 = (width - GAP) - x0;
- p.x -= ofs.x;
- p.y -= ofs.y;
- if (p.x < x0) {
- [self gotoPage: current-1 animated: YES];
- } else if (p.x > x1) {
- [self gotoPage: current+1 animated: YES];
- } else {
- if ([[self navigationController] isNavigationBarHidden])
- [self showNavigationBar];
- else
- [self hideNavigationBar];
- }
- }
- - (void) scrollViewWillBeginDragging: (UIScrollView *)scrollView
- {
- [self hideNavigationBar];
- }
- - (void) scrollViewDidScroll: (UIScrollView*)scrollview
- {
- if (width == 0)
- return; // not visible yet
- if (scroll_animating)
- return; // don't mess with layout during animations
- float x = [canvas contentOffset].x + width * 0.5f;
- current = x / width;
- [[NSUserDefaults standardUserDefaults] setInteger: current forKey: key];
- [indicator setText: [NSString stringWithFormat: @" %d of %d ", current+1, fz_count_pages(doc)]];
- [slider setValue: current];
- // swap the distant page views out
- NSMutableSet *invisiblePages = [[NSMutableSet alloc] init];
- for (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)
- [view removeFromSuperview];
- [invisiblePages release]; // don't bother recycling them...
- [self createPageView: current];
- [self createPageView: current - 1];
- [self createPageView: current + 1];
- // reset search results when page has flipped
- if (current != searchPage)
- [self resetSearch];
- }
- - (void) createPageView: (int)number
- {
- if (number < 0 || number >= fz_count_pages(doc))
- return;
- int found = 0;
- for (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: doc page: number];
- [canvas addSubview: view];
- if (showLinks)
- [view showLinks];
- [view release];
- }
- }
- - (void) gotoPage: (int)number animated: (BOOL)animated
- {
- if (number < 0)
- number = 0;
- if (number >= fz_count_pages(doc))
- number = fz_count_pages(doc) - 1;
- if (current == number)
- return;
- if (animated) {
- // setContentOffset:animated: does not use the normal animation
- // framework. It also doesn't play nice with the tap gesture
- // recognizer. So we do our own page flipping animation here.
- // We must set the scroll_animating flag so that we don't create
- // or remove subviews until after the animation, or they'll
- // swoop in from origo during the animation.
- scroll_animating = YES;
- [UIView beginAnimations: @"MuScroll" context: NULL];
- [UIView setAnimationDuration: 0.4];
- [UIView setAnimationBeginsFromCurrentState: YES];
- [UIView setAnimationDelegate: self];
- [UIView setAnimationDidStopSelector: @selector(onGotoPageFinished)];
- for (MuPageView *view in [canvas subviews])
- [view resetZoomAnimated: NO];
- [canvas setContentOffset: CGPointMake(number * width, 0)];
- [slider setValue: number];
- [indicator setText: [NSString stringWithFormat: @" %d of %d ", number+1, fz_count_pages(doc)]];
- [UIView commitAnimations];
- } else {
- for (MuPageView *view in [canvas subviews])
- [view resetZoomAnimated: NO];
- [canvas setContentOffset: CGPointMake(number * width, 0)];
- }
- current = number;
- }
- - (void) onGotoPageFinished
- {
- scroll_animating = NO;
- [self scrollViewDidScroll: canvas];
- }
- - (BOOL) shouldAutorotateToInterfaceOrientation: (UIInterfaceOrientation)o
- {
- return YES;
- }
- - (void) didRotateFromInterfaceOrientation: (UIInterfaceOrientation)o
- {
- [canvas setContentSize: CGSizeMake(fz_count_pages(doc) * width, height)];
- [canvas setContentOffset: CGPointMake(current * width, 0)];
- }
- @end
- #pragma mark -
- @implementation MuAppDelegate
- - (BOOL) application: (UIApplication*)application didFinishLaunchingWithOptions: (NSDictionary*)launchOptions
- {
- NSString *filename;
- queue = dispatch_queue_create("com.artifex.mupdf.queue", NULL);
- // use at most 128M for resource cache
- ctx = fz_new_context(NULL, NULL, 128<<20);
- screenScale = [[UIScreen mainScreen] scale];
- library = [[MuLibraryController alloc] initWithStyle: UITableViewStylePlain];
- navigator = [[UINavigationController alloc] initWithRootViewController: library];
- [[navigator navigationBar] setTranslucent: YES];
- [[navigator toolbar] setTranslucent: YES];
- [navigator setDelegate: self];
- window = [[UIWindow alloc] initWithFrame: [[UIScreen mainScreen] bounds]];
- [window setBackgroundColor: [UIColor scrollViewTexturedBackgroundColor]];
- [window setRootViewController: navigator];
- [window makeKeyAndVisible];
- filename = [[NSUserDefaults standardUserDefaults] objectForKey: @"OpenDocumentKey"];
- if (filename)
- [library openDocument: filename];
- filename = [launchOptions objectForKey: UIApplicationLaunchOptionsURLKey];
- NSLog(@"urlkey = %@\n", filename);
- return YES;
- }
- - (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation
- {
- NSLog(@"openURL: %@\n", url);
- if ([url isFileURL]) {
- NSString *path = [url path];
- NSString *dir = [NSString stringWithFormat: @"%@/Documents/", NSHomeDirectory()];
- path = [path stringByReplacingOccurrencesOfString:@"/private" withString:@""];
- path = [path stringByReplacingOccurrencesOfString:dir withString:@""];
- NSLog(@"file relative path: %@\n", path);
- [library openDocument:path];
- return YES;
- }
- return NO;
- }
- - (void)applicationDidEnterBackground:(UIApplication *)application
- {
- printf("applicationDidEnterBackground!\n");
- [[NSUserDefaults standardUserDefaults] synchronize];
- }
- - (void)applicationWillEnterForeground:(UIApplication *)application
- {
- printf("applicationWillEnterForeground!\n");
- }
- - (void)applicationDidBecomeActive:(UIApplication *)application
- {
- printf("applicationDidBecomeActive!\n");
- }
- - (void)applicationWillTerminate:(UIApplication *)application
- {
- printf("applicationWillTerminate!\n");
- [[NSUserDefaults standardUserDefaults] synchronize];
- }
- - (void)applicationDidReceiveMemoryWarning:(UIApplication *)application
- {
- printf("applicationDidReceiveMemoryWarning\n");
- }
- - (void) dealloc
- {
- dispatch_release(queue);
- [library release];
- [navigator release];
- [window release];
- [super dealloc];
- }
- @end
- #pragma mark -
- int main(int argc, char *argv[])
- {
- NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
- int retVal = UIApplicationMain(argc, argv, nil, @"MuAppDelegate");
- [pool release];
- return retVal;
- }