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authorTor Andersson <tor.andersson@artifex.com>2011-10-21 15:17:40 +0200
committerTor Andersson <tor.andersson@artifex.com>2011-11-01 23:46:56 +0100
commitac21323262ccc739a76ba748aedf36e25296841f (patch)
tree5128d41153f80d77bc54b65f964fb7de348be285 /ios/main.m
parent9625c24b1745958bb594d7359c16295be97789ae (diff)
downloadmupdf-ac21323262ccc739a76ba748aedf36e25296841f.tar.xz
Refactor MuDocumentController.
Diffstat (limited to 'ios/main.m')
-rw-r--r--ios/main.m273
1 files changed, 139 insertions, 134 deletions
diff --git a/ios/main.m b/ios/main.m
index f56f3e10..692ce0bc 100644
--- a/ios/main.m
+++ b/ios/main.m
@@ -13,47 +13,65 @@
NSArray *files;
}
- (void) reload;
+- (void) openDocument: (NSString*)filename;
@end
-@interface MuOutlineController : UITableViewController { NSArray *pages; } @end
-@interface MuDocumentController : UIViewController { } @end
-
-@interface MuAppDelegate : NSObject <UIApplicationDelegate, UIScrollViewDelegate, UINavigationControllerDelegate>
+@interface MuDocumentController : UIViewController <UIScrollViewDelegate>
{
- UIWindow *window;
- UINavigationController *navigator;
+ pdf_xref *xref;
UIScrollView *canvas;
- MuLibraryController *library;
- MuDocumentController *document;
- MuOutlineController *outline;
UIView **pageviews;
int width; // current screen size
int height;
int current; // currently visible page
}
-- (void) onOpenDocument: (NSString*)filename;
-- (void) closeDocument;
-- (void) onShowOutline;
-- (void) onHideOutline;
-- (void) onReconfigure;
+- (id) initWithFile: (NSString*)filename;
+- (void) reconfigure;
- (void) loadPage: (int)number;
- (void) unloadPage: (int)number;
-- (void) onGotoPage: (int)number;
+- (void) gotoPage: (int)number;
+- (void) didSingleTap: (UITapGestureRecognizer*)sender;
- (void) toggleNavigationBar;
-- (void) onSingleTap: (UITapGestureRecognizer*)sender;
+@end
+
+@interface MuAppDelegate : NSObject <UIApplicationDelegate, UINavigationControllerDelegate>
+{
+ UIWindow *window;
+ UINavigationController *navigator;
+ MuLibraryController *library;
+}
@end
static fz_glyph_cache *glyphcache = NULL;
-static pdf_xref *xref = NULL;
+
static MuAppDelegate *app = nil;
#pragma mark -
-static void show_alert(NSString *msg)
+static int get_page_number(pdf_xref *xref, pdf_link *link)
{
+ if (link->kind == PDF_LINK_GOTO)
+ return pdf_find_page_number(xref, fz_array_get(link->dest, 0));
+ return 0;
+}
+
+static void showAlert(NSString *msg)
+{
+ char msgbuf[160 * 30];
+ int i;
+
+ fz_strlcpy(msgbuf, "", sizeof msgbuf);
+ for (i = 0; i < fz_get_error_count(); i++)
+ {
+ char *s = fz_get_error_line(i);
+ s = strstr(s, "(): ") + 4;
+ fz_strlcat(msgbuf, s, sizeof msgbuf);
+ fz_strlcat(msgbuf, "\n", sizeof msgbuf);
+ }
+
UIAlertView *alert = [[UIAlertView alloc]
- initWithTitle: @"Error"
- message: msg
+ initWithTitle: msg
+ message: [NSString stringWithUTF8String: msgbuf]
delegate: nil
cancelButtonTitle: @"Okay"
otherButtonTitles: nil];
@@ -61,21 +79,14 @@ static void show_alert(NSString *msg)
[alert release];
}
-static int get_page_number(pdf_xref *xref, pdf_link *link)
-{
- if (link->kind == PDF_LINK_GOTO)
- return pdf_find_page_number(xref, fz_array_get(link->dest, 0));
- return 0;
-}
-
-static void release_pixmap(void *info, const void *data, size_t size)
+static void releasePixmap(void *info, const void *data, size_t size)
{
fz_drop_pixmap(info);
}
-static UIImage *convert_pixmap(fz_pixmap *pix)
+static UIImage *imageWithPixmap(fz_pixmap *pix)
{
- CGDataProviderRef cgdata = CGDataProviderCreateWithData(pix, pix->samples, pix->w * 4 * pix->h, release_pixmap);
+ CGDataProviderRef cgdata = CGDataProviderCreateWithData(pix, pix->samples, pix->w * 4 * pix->h, releasePixmap);
CGImageRef cgimage = CGImageCreate(pix->w, pix->h, 8, 32, 4 * pix->w,
CGColorSpaceCreateDeviceRGB(),
kCGBitmapByteOrderDefault,
@@ -86,7 +97,6 @@ static UIImage *convert_pixmap(fz_pixmap *pix)
return image;
}
-// TODO: custom view with hyperlinks
static UIImageView *new_page_view(pdf_xref *xref, int number, float width, float height)
{
fz_bbox bbox;
@@ -100,7 +110,7 @@ static UIImageView *new_page_view(pdf_xref *xref, int number, float width, float
error = pdf_load_page(&page, xref, number);
if (error)
{
- show_alert(@"Cannot load page");
+ showAlert(@"Cannot load page");
return [[UIImageView alloc] initWithImage: [UIImage imageNamed: @"mupdf_icon.png"]];
}
@@ -124,28 +134,11 @@ static UIImageView *new_page_view(pdf_xref *xref, int number, float width, float
pdf_age_store(xref->store, 3);
fz_flush_warnings();
- return [[UIImageView alloc] initWithImage: convert_pixmap(pix)];
+ return [[UIImageView alloc] initWithImage: imageWithPixmap(pix)];
}
#pragma mark -
-@implementation MuDocumentController
-
-- (BOOL) shouldAutorotateToInterfaceOrientation: (UIInterfaceOrientation)o
-{
- return YES;
-}
-
-- (void) didRotateFromInterfaceOrientation: (UIInterfaceOrientation)o
-{
- [app onReconfigure];
-}
-
-@end
-
-@implementation MuOutlineController
-@end
-
@implementation MuLibraryController
- (void) reload
@@ -185,12 +178,12 @@ static UIImageView *new_page_view(pdf_xref *xref, int number, float width, float
return 1;
}
-- (NSInteger) tableView: (UITableView*)tableView numberOfRowsInSection:(NSInteger)section
+- (NSInteger) tableView: (UITableView*)tableView numberOfRowsInSection: (NSInteger)section
{
return [files count];
}
-- (UITableViewCell*) tableView: (UITableView*)tableView cellForRowAtIndexPath:(NSIndexPath*)indexPath
+- (UITableViewCell*) tableView: (UITableView*)tableView cellForRowAtIndexPath: (NSIndexPath*)indexPath
{
static NSString *cellid = @"MuCellIdent";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier: cellid];
@@ -204,69 +197,34 @@ static UIImageView *new_page_view(pdf_xref *xref, int number, float width, float
- (void) tableView: (UITableView*)tableView didSelectRowAtIndexPath: (NSIndexPath*)indexPath
{
NSString *filename = [files objectAtIndex: [indexPath row]];
- [app onOpenDocument: filename];
+ [self openDocument: filename];
}
-@end
-
-#pragma mark -
-
-@implementation MuAppDelegate
-
-- (BOOL) application: (UIApplication*)application didFinishLaunchingWithOptions: (NSDictionary*)launchOptions
+- (void) openDocument: (NSString*)filename
{
- CGRect viewframe;
- app = self;
-
- glyphcache = fz_new_glyph_cache();
-
- library = [[MuLibraryController alloc] initWithStyle: UITableViewStylePlain];
- // outline = [[MuOutlineController alloc] initWithStyle: UITableViewStylePlain];
-
- document = [[MuDocumentController alloc] init];
- // [document setWantsFullScreenLayout: YES];
-
- navigator = [[UINavigationController alloc] initWithRootViewController: library];
- [[navigator navigationBar] setTranslucent: YES];
- [navigator setDelegate: app];
-
- viewframe = [[[navigator topViewController] view] frame];
-
- canvas = [[UIScrollView alloc] initWithFrame: viewframe];
- [canvas setPagingEnabled: YES];
- [canvas setBackgroundColor: [UIColor grayColor]];
- [canvas setShowsHorizontalScrollIndicator: NO];
- [canvas setShowsVerticalScrollIndicator: NO];
- // [canvas setDirectionalLockEnabled: YES];
- [canvas setDelegate: app];
- [document setView: canvas];
-
- [canvas addGestureRecognizer: [[UITapGestureRecognizer alloc] initWithTarget: self action: @selector(onSingleTap:)]];
-
- window = [[UIWindow alloc] initWithFrame: [[UIScreen mainScreen] bounds]];
- [window addSubview: [navigator view]];
- [window makeKeyAndVisible];
-
- return YES;
+ MuDocumentController *document = [[MuDocumentController alloc] initWithFile: filename];
+ if (document) {
+ [[self navigationController] pushViewController: document animated: YES];
+ [document release];
+ }
}
-- (void) onShowOutline
-{
- [outline setTitle: @"Table of Contents"];
- [navigator pushViewController: outline animated: YES];
-}
+@end
-- (void) onHideOutline
-{
- [navigator popViewControllerAnimated: YES];
-}
+#pragma mark -
+
+@implementation MuDocumentController
-- (void) onOpenDocument: (NSString*)nsfilename
+- (id) initWithFile: (NSString*)nsfilename
{
fz_error error;
char filename[PATH_MAX];
char *password = "";
+ self = [super init];
+ if (!self)
+ return nil;
+
strcpy(filename, [NSHomeDirectory() UTF8String]);
strcat(filename, "/Documents/");
strcat(filename, [nsfilename UTF8String]);
@@ -276,29 +234,40 @@ static UIImageView *new_page_view(pdf_xref *xref, int number, float width, float
error = pdf_open_xref(&xref, filename, password);
if (error)
{
- show_alert(@"Cannot open document");
- return;
+ showAlert(@"Cannot open PDF file");
+ [self release];
+ return nil;
}
error = pdf_load_page_tree(xref);
if (error)
{
- show_alert(@"Cannot load page list");
- return;
+ showAlert(@"Cannot open document");
+ [self release];
+ return nil;
}
- [document setTitle: nsfilename];
+ [self setTitle: nsfilename];
+
+ canvas = [[UIScrollView alloc] initWithFrame: CGRectMake(0,0,10,10)];
+ [canvas setPagingEnabled: YES];
+ [canvas setBackgroundColor: [UIColor grayColor]];
+ [canvas setShowsHorizontalScrollIndicator: NO];
+ [canvas setShowsVerticalScrollIndicator: NO];
+ [canvas setDelegate: self];
+ [self setView: canvas];
+
+ [canvas addGestureRecognizer: [[UITapGestureRecognizer alloc] initWithTarget: self action: @selector(didSingleTap:)]];
current = 0;
pageviews = calloc(pdf_count_pages(xref), sizeof *pageviews);
- [navigator pushViewController: document animated: YES];
-
- [self onReconfigure];
+ return self;
}
-- (void) closeDocument
+- (void) dealloc
{
+puts("document controller closed");
if (xref)
{
for (int i = 0; i < pdf_count_pages(xref); i++)
@@ -306,30 +275,48 @@ static UIImageView *new_page_view(pdf_xref *xref, int number, float width, float
pdf_free_xref(xref);
xref = NULL;
}
+ [canvas release];
+ [super dealloc];
+}
+
+- (BOOL) shouldAutorotateToInterfaceOrientation: (UIInterfaceOrientation)o
+{
+ return YES;
}
-- (void) onReconfigure
+- (void) didRotateFromInterfaceOrientation: (UIInterfaceOrientation)o
+{
+ [self reconfigure];
+}
+
+- (void) viewWillAppear: (BOOL)animated
+{
+ [self reconfigure];
+}
+
+- (void) reconfigure
{
CGSize size = [canvas frame].size;
- int i;
- if (size.width == width && size.height != height)
+ if (size.width == width && size.height == height)
return;
- width = [canvas frame].size.width;
- height = [canvas frame].size.height;
-printf("reconfig w=%d h=%d\n", width, height);
+ width = size.width;
+ height = size.height;
+
+printf("reconfig w=%g h=%g\n", size.width, size.height);
// facing pages mode in landscape
- // if (width > height) width *= 0.5;
+ // if (size.width > size.height) size.width *= 0.5;
- for (i = 0; i < pdf_count_pages(xref); i++)
+ for (int i = 0; i < pdf_count_pages(xref); i++)
[self unloadPage: i];
[canvas setContentSize: CGSizeMake(pdf_count_pages(xref) * width, 10)];
[canvas setContentOffset: CGPointMake(current * width, 0) animated: NO];
+ [canvas setContentInset: UIEdgeInsetsZero];
- [app scrollViewDidScroll: canvas];
+ [self scrollViewDidScroll: canvas];
}
- (void) loadPage: (int)number
@@ -367,7 +354,7 @@ printf("unload %d\n", number);
}
}
-- (void) onGotoPage: (int)number
+- (void) gotoPage: (int)number
{
if (number < 0)
number = 0;
@@ -379,7 +366,7 @@ printf("unload %d\n", number);
- (void) scrollViewDidScroll: (UIScrollView*)scrollview
{
- float x = [canvas contentOffset].x;
+ float x = [canvas contentOffset].x + width * 0.5f;
int i;
current = x / width;
@@ -394,7 +381,7 @@ printf("unload %d\n", number);
[self loadPage: current + 1];
}
-- (void) onSingleTap: (UITapGestureRecognizer*)sender
+- (void) didSingleTap: (UITapGestureRecognizer*)sender
{
CGPoint p = [sender locationInView: canvas];
CGPoint ofs = [canvas contentOffset];
@@ -402,25 +389,45 @@ printf("unload %d\n", number);
float x1 = width - x0;
p.x -= ofs.x;
p.y -= ofs.y;
- if (p.x < x0) [self onGotoPage: current - 1];
- else if (p.x > x1) [self onGotoPage: current + 1];
+ if (p.x < x0) [self gotoPage: current - 1];
+ else if (p.x > x1) [self gotoPage: current + 1];
else [self toggleNavigationBar];
}
- (void) toggleNavigationBar
{
- if ([navigator isNavigationBarHidden])
+ UINavigationController *navigator = [self navigationController];
+ if ([navigator isNavigationBarHidden]) {
[navigator setNavigationBarHidden: NO];
- else
+ } else {
[navigator setNavigationBarHidden: YES];
+ }
[canvas setContentInset: UIEdgeInsetsZero];
}
-- (void) navigationController:(UINavigationController *)navigationController didShowViewController:(UIViewController *)viewController animated:(BOOL)animated
+@end
+
+#pragma mark -
+
+@implementation MuAppDelegate
+
+- (BOOL) application: (UIApplication*)application didFinishLaunchingWithOptions: (NSDictionary*)launchOptions
{
- // popped back to document picker
- if (viewController == library)
- [self closeDocument];
+ app = self;
+
+ glyphcache = fz_new_glyph_cache();
+
+ library = [[MuLibraryController alloc] initWithStyle: UITableViewStylePlain];
+
+ navigator = [[UINavigationController alloc] initWithRootViewController: library];
+ [[navigator navigationBar] setTranslucent: YES];
+ [navigator setDelegate: app];
+
+ window = [[UIWindow alloc] initWithFrame: [[UIScreen mainScreen] bounds]];
+ [window addSubview: [navigator view]];
+ [window makeKeyAndVisible];
+
+ return YES;
}
- (void)applicationDidEnterBackground:(UIApplication *)application
@@ -474,8 +481,6 @@ printf("applicationDidBecomeActive!\n");
- (void) dealloc
{
- [canvas release];
- [document release];
[library release];
[navigator release];
[window release];