iOS: support annotation deletion

13 files changed, 359 insertions, 10 deletions

diff --git a/platform/ios/Classes/MuAnnotSelectView.h b/platform/ios/Classes/MuAnnotSelectView.h
new file mode 100644
index 00000000..3e97cf7f
--- /dev/null
+++ b/platform/ios/Classes/MuAnnotSelectView.h
@@ -0,0 +1,19 @@
+//
+//  MuAnnotSelectView.h
+//  MuPDF
+//
+//  Created by Paul Gardiner on 21/11/2013.
+//  Copyright (c) 2013 Artifex Software, Inc. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+#import "MuAnnotation.h"
+
+@interface MuAnnotSelectView : UIView
+{
+	MuAnnotation *annot;
+	CGSize pageSize;
+	UIColor *color;
+}
+- (id) initWithAnnot:(MuAnnotation *)_annot pageSize:(CGSize)_pageSize;
+@end
diff --git a/platform/ios/Classes/MuAnnotSelectView.m b/platform/ios/Classes/MuAnnotSelectView.m
new file mode 100644
index 00000000..88087fdd
--- /dev/null
+++ b/platform/ios/Classes/MuAnnotSelectView.m
@@ -0,0 +1,42 @@
+//
+//  MuAnnotSelectView.m
+//  MuPDF
+//
+//  Created by Paul Gardiner on 21/11/2013.
+//  Copyright (c) 2013 Artifex Software, Inc. All rights reserved.
+//
+
+#import "MuAnnotSelectView.h"
+
+@implementation MuAnnotSelectView
+
+- (id)initWithAnnot:(MuAnnotation *)_annot pageSize:(CGSize)_pageSize
+{
+	self = [super initWithFrame:CGRectMake(0.0, 0.0, 100.0, 100.0)];
+	if (self)
+	{
+		[self setOpaque:NO];
+		annot = [_annot retain];
+		pageSize = _pageSize;
+		color = [[UIColor colorWithRed:0x44/255.0 green:0x44/255.0 blue:1.0 alpha:1.0] retain];
+	}
+	return self;
+}
+
+-(void) dealloc
+{
+	[annot release];
+	[color release];
+	[super dealloc];
+}
+
+- (void)drawRect:(CGRect)rect
+{
+	CGSize scale = fitPageToScreen(pageSize, self.bounds.size);
+	CGContextRef cref = UIGraphicsGetCurrentContext();
+	CGContextScaleCTM(cref, scale.width, scale.height);
+	[color set];
+	CGContextStrokeRect(cref, annot.rect);
+}
+
+@end
diff --git a/platform/ios/Classes/MuAnnotation.h b/platform/ios/Classes/MuAnnotation.h
new file mode 100644
index 00000000..0f37b9a5
--- /dev/null
+++ b/platform/ios/Classes/MuAnnotation.h
@@ -0,0 +1,22 @@
+//
+//  MuAnnotation.h
+//  MuPDF
+//
+//  Created by Paul Gardiner on 20/11/2013.
+//  Copyright (c) 2013 Artifex Software, Inc. All rights reserved.
+//
+
+#include "common.h"
+#include "mupdf/pdf.h"
+#import <Foundation/Foundation.h>
+
+@interface MuAnnotation : NSObject
+{
+	int type;
+	CGRect rect;
+}
+-(id) initFromAnnot:(fz_annot *)annot forDoc:(fz_document *)doc;
+@property(readonly) int type;
+@property(readonly) CGRect rect;
++(MuAnnotation *) annotFromAnnot:(fz_annot *)annot forDoc:(fz_document *)doc;
+@end
diff --git a/platform/ios/Classes/MuAnnotation.m b/platform/ios/Classes/MuAnnotation.m
new file mode 100644
index 00000000..92f7bb45
--- /dev/null
+++ b/platform/ios/Classes/MuAnnotation.m
@@ -0,0 +1,35 @@
+//
+//  MuAnnotation.m
+//  MuPDF
+//
+//  Created by Paul Gardiner on 20/11/2013.
+//  Copyright (c) 2013 Artifex Software, Inc. All rights reserved.
+//
+
+#import "MuAnnotation.h"
+
+@implementation MuAnnotation
+
+@synthesize type, rect;
+
+-(id) initFromAnnot:(fz_annot *)annot forDoc:(fz_document *)doc
+{
+	self = [super init];
+	if (self)
+	{
+		fz_rect frect;
+		type = pdf_annot_type((pdf_annot *)annot);
+		fz_bound_annot(doc, annot, &frect);
+		rect.origin.x = frect.x0;
+		rect.origin.y = frect.y0;
+		rect.size.width = frect.x1 - frect.x0;
+		rect.size.height = frect.y1 - frect.y0;
+	}
+	return self;
+}
+
++(MuAnnotation *) annotFromAnnot:(fz_annot *)annot forDoc:(fz_document *)doc
+{
+	return [[[MuAnnotation alloc] initFromAnnot:annot forDoc:doc] autorelease];
+}
+@end
diff --git a/platform/ios/Classes/MuDocumentController.h b/platform/ios/Classes/MuDocumentController.h
index 32bd36f4..719fcd5e 100644
--- a/platform/ios/Classes/MuDocumentController.h
+++ b/platform/ios/Classes/MuDocumentController.h
@@ -25,7 +25,8 @@ enum
 	BARMODE_HIGHLIGHT,
 	BARMODE_UNDERLINE,
 	BARMODE_STRIKE,
-	BARMODE_INK
+	BARMODE_INK,
+	BARMODE_DELETE
 };
 
 @interface MuDocumentController : UIViewController <UIScrollViewDelegate, UIGestureRecognizerDelegate, UISearchBarDelegate, MuDialogCreator>
@@ -44,6 +45,7 @@ enum
 	UIBarButtonItem *highlightButton, *underlineButton, *strikeoutButton;
 	UIBarButtonItem *inkButton;
 	UIBarButtonItem *tickButton;
+	UIBarButtonItem *deleteButton;
 	UIBarButtonItem *reflowButton;
 	UIBarButtonItem *sliderWrapper;
 	int barmode;
diff --git a/platform/ios/Classes/MuDocumentController.m b/platform/ios/Classes/MuDocumentController.m
index bda52900..4df7ba40 100644
--- a/platform/ios/Classes/MuDocumentController.m
+++ b/platform/ios/Classes/MuDocumentController.m
@@ -162,6 +162,7 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
 	strikeoutButton = [self resourceBasedButton:@"ic_strike" withAction:@selector(onStrikeout:)];
 	inkButton = [self resourceBasedButton:@"ic_pen" withAction:@selector(onInk:)];
 	tickButton = [self resourceBasedButton:@"ic_check" withAction:@selector(onTick:)];
+	deleteButton = [self resourceBasedButton:@"ic_trash" withAction:@selector(onDelete:)];
 	searchBar = [[UISearchBar alloc] initWithFrame: CGRectMake(0,0,50,32)];
 	[searchBar setPlaceholder: @"Search"];
 	[searchBar setDelegate: self];
@@ -198,6 +199,7 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
 	[strikeoutButton release]; strikeoutButton = nil;
 	[inkButton release]; inkButton = nil;
 	[tickButton release]; tickButton = nil;
+	[deleteButton release]; deleteButton = nil;
 	[canvas release]; canvas = nil;
 
 	[outline release];
@@ -332,6 +334,13 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
 {
 	[[self navigationItem] setRightBarButtonItems:[NSArray arrayWithObjects:inkButton, strikeoutButton, underlineButton, highlightButton, nil]];
 	[[self navigationItem] setLeftBarButtonItem:cancelButton];
+
+	for (UIView<MuPageView> *view in [canvas subviews])
+	{
+		if ([view number] == current)
+			[view deselectAnnotation];
+	}
+
 	barmode = BARMODE_ANNOTATION;
 }
 
@@ -368,6 +377,12 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
 	}
 }
 
+- (void) deleteModeOn
+{
+	[[self navigationItem] setRightBarButtonItems:[NSArray arrayWithObject:deleteButton]];
+	barmode = BARMODE_DELETE;
+}
+
 - (void) inkModeOff
 {
 	for (UIView<MuPageView> *view in [canvas subviews])
@@ -440,6 +455,16 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
 	[self showAnnotationMenu];
 }
 
+- (void) onDelete: (id)sender
+{
+	for (UIView<MuPageView> *view in [canvas subviews])
+	{
+		if ([view number] == current)
+			[view deleteSelectedAnnotation];
+	}
+	[self showAnnotationMenu];
+}
+
 - (void) onCancel: (id)sender
 {
 	switch (barmode)
@@ -459,6 +484,7 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
 		case BARMODE_HIGHLIGHT:
 		case BARMODE_UNDERLINE:
 		case BARMODE_STRIKE:
+		case BARMODE_DELETE:
 			[self showAnnotationMenu];
 			[self textSelectModeOff];
 			break;
@@ -614,6 +640,7 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
 		if (CGRectContainsPoint(view.bounds, pp))
 		{
 			MuTapResult *result = [view handleTap:pp];
+			__block BOOL hitAnnot = NO;
 			[result switchCaseInternal:^(MuTapResultInternalLink *link) {
 				[self gotoPage:link.pageNumber animated:NO];
 				tapHandled = YES;
@@ -623,7 +650,34 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
 				// Not currently supported
 			} caseWidget:^(MuTapResultWidget *widget) {
 				tapHandled = YES;
+			} caseAnnotation:^(MuTapResultAnnotation *annot) {
+				hitAnnot = YES;
 			}];
+
+			switch (barmode)
+			{
+				case BARMODE_ANNOTATION:
+					if (hitAnnot)
+						[self deleteModeOn];
+					tapHandled = YES;
+					break;
+
+				case BARMODE_DELETE:
+					if (!hitAnnot)
+						[self showAnnotationMenu];
+					tapHandled = YES;
+					break;
+
+				default:
+					if (hitAnnot)
+					{
+						// Annotation will have been selected, which is wanted
+						// only in annotation-editing mode
+						[view deselectAnnotation];
+					}
+					break;
+			}
+
 			if (tapHandled)
 				break;
 		}
diff --git a/platform/ios/Classes/MuPageView.h b/platform/ios/Classes/MuPageView.h
index 58d33f75..588bc516 100644
--- a/platform/ios/Classes/MuPageView.h
+++ b/platform/ios/Classes/MuPageView.h
@@ -20,6 +20,8 @@
 -(MuTapResult *) handleTap:(CGPoint)pt;
 -(void) textSelectModeOn;
 -(void) textSelectModeOff;
+-(void) deselectAnnotation;
+-(void) deleteSelectedAnnotation;
 -(void) inkModeOn;
 -(void) inkModeOff;
 -(void) saveSelectionAsMarkup:(int)type;
diff --git a/platform/ios/Classes/MuPageViewNormal.h b/platform/ios/Classes/MuPageViewNormal.h
index cd442baf..cb45b560 100644
--- a/platform/ios/Classes/MuPageViewNormal.h
+++ b/platform/ios/Classes/MuPageViewNormal.h
@@ -19,6 +19,7 @@
 #import "MuDialogCreator.h"
 #import "MuTextSelectView.h"
 #import "MuInkView.h"
+#import "MuAnnotSelectView.h"
 
 @interface MuPageViewNormal : UIScrollView <UIScrollViewDelegate,MuPageView>
 {
@@ -39,7 +40,10 @@
 	MuHitView *linkView;
 	MuTextSelectView *textSelectView;
 	MuInkView *inkView;
+	MuAnnotSelectView *annotSelectView;
 	NSArray *widgetRects;
+	NSArray *annotations;
+	int selectedAnnotationIndex;
 	CGSize pageSize;
 	CGRect tileFrame;
 	float tileScale;
diff --git a/platform/ios/Classes/MuPageViewNormal.m b/platform/ios/Classes/MuPageViewNormal.m
index 9d2117fd..b01360fe 100644
--- a/platform/ios/Classes/MuPageViewNormal.m
+++ b/platform/ios/Classes/MuPageViewNormal.m
@@ -9,6 +9,7 @@
 #include "mupdf/pdf.h"
 #import "MuWord.h"
 #import "MuTextFieldController.h"
+#import "MuAnnotation.h"
 
 #import "MuPageViewNormal.h"
 
@@ -78,6 +79,18 @@ static NSArray *enumerateWidgetRects(fz_document *doc, fz_page *page)
 	return [arr retain];
 }
 
+static NSArray *enumerateAnnotations(fz_document *doc, fz_page *page)
+{
+	pdf_document *idoc = pdf_specifics(doc);
+	fz_annot *annot;
+	NSMutableArray *arr = [NSMutableArray arrayWithCapacity:10];
+
+	for (annot = fz_first_annot(doc, page); annot; annot = fz_next_annot(doc, annot))
+		[arr addObject:[MuAnnotation annotFromAnnot:annot forDoc:doc]];
+
+	return [arr retain];
+}
+
 static NSArray *enumerateWords(fz_document *doc, fz_page *page)
 {
 	fz_text_sheet *sheet = NULL;
@@ -315,6 +328,28 @@ static void addInkAnnot(fz_document *doc, fz_page *page, NSArray *curves)
 	}
 }
 
+static void deleteAnnotation(fz_document *doc, fz_page *page, int index)
+{
+	pdf_document *idoc = pdf_specifics(doc);
+	if (!idoc)
+		return;
+
+	fz_try(ctx)
+	{
+		int i;
+		fz_annot *annot = fz_first_annot(doc, page);
+		for (i = 0; i < index && annot; i++)
+			annot = fz_next_annot(doc, annot);
+
+		if (annot)
+			pdf_delete_annot(idoc, (pdf_page *)page, (pdf_annot *)annot);
+	}
+	fz_catch(ctx)
+	{
+		printf("Annotation deletion failed\n");
+	}
+}
+
 static int setFocussedWidgetText(fz_document *doc, fz_page *page, const char *text)
 {
 	int accepted;
@@ -617,6 +652,7 @@ static void updatePixmap(fz_document *doc, fz_display_list *page_list, fz_displa
 		number = aNumber;
 		cancel = NO;
 		dialogCreator = dia;
+		selectedAnnotationIndex = -1;
 
 		[self setShowsVerticalScrollIndicator: NO];
 		[self setShowsHorizontalScrollIndicator: NO];
@@ -671,6 +707,7 @@ static void updatePixmap(fz_document *doc, fz_display_list *page_list, fz_displa
 		[hitView release];
 		[textSelectView release];
 		[inkView release];
+		[annotSelectView release];
 		[tileView release];
 		[loadingView release];
 		[imageView release];
@@ -790,6 +827,7 @@ static void updatePixmap(fz_document *doc, fz_display_list *page_list, fz_displa
 		addMarkupAnnot(doc, page, type, rects);
 		[rects release];
 		[self updatePageAndTileWithTileFrame:tframe tileScale:tscale viewFrame:vframe];
+		[self loadAnnotations];
 	});
 	[self textSelectModeOff];
 }
@@ -812,10 +850,48 @@ static void updatePixmap(fz_document *doc, fz_display_list *page_list, fz_displa
 		addInkAnnot(doc, page, curves);
 		[curves release];
 		[self updatePageAndTileWithTileFrame:tframe tileScale:tscale viewFrame:vframe];
+		[self loadAnnotations];
 	});
 	[self inkModeOff];
 }
 
+-(void) selectAnnotation:(int)i
+{
+	selectedAnnotationIndex = i;
+	[annotSelectView removeFromSuperview];
+	[annotSelectView release];
+	annotSelectView = [[MuAnnotSelectView alloc] initWithAnnot:[annotations objectAtIndex:i] pageSize:pageSize];
+	[self addSubview:annotSelectView];
+}
+
+-(void) deselectAnnotation
+{
+	selectedAnnotationIndex = -1;
+	[annotSelectView removeFromSuperview];
+	[annotSelectView release];
+	annotSelectView = nil;
+}
+
+-(void) deleteSelectedAnnotation
+{
+	CGRect tframe = tileFrame;
+	float tscale = tileScale;
+	CGRect vframe = tframe;
+	vframe.origin.x -= imageView.frame.origin.x;
+	vframe.origin.y -= imageView.frame.origin.y;
+
+	int index = selectedAnnotationIndex;
+	if (index >= 0)
+	{
+		dispatch_async(queue, ^{
+			deleteAnnotation(doc, page, index);
+			[self updatePageAndTileWithTileFrame:tframe tileScale:tscale viewFrame:vframe];
+			[self loadAnnotations];
+		});
+	}
+	[self deselectAnnotation];
+}
+
 - (void) resetZoomAnimated: (BOOL)animated
 {
 	// discard tile and any pending tile jobs
@@ -838,6 +914,18 @@ static void updatePixmap(fz_document *doc, fz_display_list *page_list, fz_displa
 	[super removeFromSuperview];
 }
 
+- (void) loadAnnotations
+{
+	if (number < 0 || number >= fz_count_pages(doc))
+		return;
+
+	NSArray *annots = enumerateAnnotations(doc, page);
+	dispatch_async(dispatch_get_main_queue(), ^{
+		[annotations release];
+		annotations = annots;
+	});
+}
+
 - (void) loadPage
 {
 	if (number < 0 || number >= fz_count_pages(doc))
@@ -853,6 +941,7 @@ static void updatePixmap(fz_document *doc, fz_display_list *page_list, fz_displa
 			imageData = wrapPixmap(image_pix);
 			UIImage *image = newImageWithPixmap(image_pix, imageData);
 			widgetRects = enumerateWidgetRects(doc, page);
+			[self loadAnnotations];
 			dispatch_async(dispatch_get_main_queue(), ^{
 				[self displayImage: image];
 				[image release];
@@ -884,6 +973,8 @@ static void updatePixmap(fz_document *doc, fz_display_list *page_list, fz_displa
 			[self bringSubviewToFront:textSelectView];
 		if (inkView)
 			[self bringSubviewToFront:inkView];
+		if (annotSelectView)
+			[self bringSubviewToFront:annotSelectView];
 	} else {
 		[imageView setImage: image];
 	}
@@ -970,6 +1061,9 @@ static void updatePixmap(fz_document *doc, fz_display_list *page_list, fz_displa
 
 		if (inkView)
 			[inkView setFrame:frm];
+
+		if (annotSelectView)
+			[annotSelectView setFrame:frm];
 	}
 }
 
@@ -1036,6 +1130,8 @@ static void updatePixmap(fz_document *doc, fz_display_list *page_list, fz_displa
 					[self bringSubviewToFront:textSelectView];
 				if (inkView)
 					[self bringSubviewToFront:inkView];
+				if (annotSelectView)
+					[self bringSubviewToFront:annotSelectView];
 			} else {
 				printf("discard tile\n");
 			}
@@ -1084,6 +1180,9 @@ static void updatePixmap(fz_document *doc, fz_display_list *page_list, fz_displa
 
 		if (inkView)
 			[inkView setFrame:frm];
+
+		if (annotSelectView)
+			[annotSelectView setFrame:frm];
 	}
 }
 
@@ -1247,10 +1346,24 @@ static void updatePixmap(fz_document *doc, fz_display_list *page_list, fz_displa
 {
 	CGPoint ipt = [self convertPoint:pt toView:imageView];
 	CGSize scale = fitPageToScreen(pageSize, imageView.bounds.size);
+	int i;
 
 	ipt.x /= scale.width;
 	ipt.y /= scale.height;
-	for (int i = 0; i < widgetRects.count; i++)
+
+	for (i = 0; i < annotations.count; i++)
+	{
+		MuAnnotation *annot = [annotations objectAtIndex:i];
+		if (annot.type != FZ_ANNOT_WIDGET && CGRectContainsPoint(annot.rect, ipt))
+		{
+			[self selectAnnotation:i];
+			return [[[MuTapResultAnnotation alloc] initWithAnnotation:annot] autorelease];
+		}
+	}
+
+	[self deselectAnnotation];
+
+	for (i = 0; i < widgetRects.count; i++)
 	{
 		CGRect r = [[widgetRects objectAtIndex:i] CGRectValue];
 		if (CGRectContainsPoint(r, ipt))
diff --git a/platform/ios/Classes/MuPageViewReflow.m b/platform/ios/Classes/MuPageViewReflow.m
index 4c4bd445..feb64225 100644
--- a/platform/ios/Classes/MuPageViewReflow.m
+++ b/platform/ios/Classes/MuPageViewReflow.m
@@ -128,6 +128,8 @@ NSString *textAsHtml(fz_document *doc, int pageNum)
 -(void) inkModeOff {}
 -(void) saveSelectionAsMarkup:(int)type {}
 -(void) saveInk {}
+-(void) deselectAnnotation {}
+-(void) deleteSelectedAnnotation {}
 
 -(void) resetZoomAnimated: (BOOL)animated
 {
diff --git a/platform/ios/Classes/MuTapResult.h b/platform/ios/Classes/MuTapResult.h
index 3271772f..644bad5e 100644
--- a/platform/ios/Classes/MuTapResult.h
+++ b/platform/ios/Classes/MuTapResult.h
@@ -6,17 +6,20 @@
 //
 
 #import <Foundation/Foundation.h>
+#import "MuAnnotation.h"
 
 @class MuTapResultInternalLink;
 @class MuTapResultExternalLink;
 @class MuTapResultRemoteLink;
 @class MuTapResultWidget;
+@class MuTapResultAnnotation;
 
 @interface MuTapResult : NSObject
 -(void) switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock
 		caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock
 		caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock
-		caseWidget:(void (^)(MuTapResultWidget *))widgetBlock;
+		caseWidget:(void (^)(MuTapResultWidget *))widgetBlock
+		caseAnnotation:(void (^)(MuTapResultAnnotation *))annotationBlock;
 @end
 
 @interface MuTapResultInternalLink : MuTapResult
@@ -49,3 +52,11 @@
 
 @interface MuTapResultWidget : MuTapResult
 @end
+
+@interface MuTapResultAnnotation : MuTapResult
+{
+	MuAnnotation *annot;
+}
+@property(readonly) MuAnnotation *annot;
+-(id)initWithAnnotation:(MuAnnotation *)aAnnot;
+@end
diff --git a/platform/ios/Classes/MuTapResult.m b/platform/ios/Classes/MuTapResult.m
index c7f4d755..9b684162 100644
--- a/platform/ios/Classes/MuTapResult.m
+++ b/platform/ios/Classes/MuTapResult.m
@@ -8,8 +8,7 @@
 #import "MuTapResult.h"
 
 @implementation MuTapResult
-
--(void) switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock caseWidget:(void (^)(MuTapResultWidget *))widgetBlock {}
+-(void) switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock caseWidget:(void (^)(MuTapResultWidget *))widgetBlock caseAnnotation:(void (^)(MuTapResultAnnotation *))annotationBlock {}
 @end
 
 
@@ -27,7 +26,7 @@
 	return self;
 }
 
--(void) switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock caseWidget:(void (^)(MuTapResultWidget *))widgetBlock
+-(void) switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock caseWidget:(void (^)(MuTapResultWidget *))widgetBlock caseAnnotation:(void (^)(MuTapResultAnnotation *))annotationBlock
 {
 	internalLinkBlock(self);
 }
@@ -55,7 +54,7 @@
 	[super dealloc];
 }
 
--(void)	switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock caseWidget:(void (^)(MuTapResultWidget *))widgetBlock
+-(void) switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock caseWidget:(void (^)(MuTapResultWidget *))widgetBlock caseAnnotation:(void (^)(MuTapResultAnnotation *))annotationBlock
 {
 	externalLinkBlock(self);
 }
@@ -85,7 +84,7 @@
 	[super dealloc];
 }
 
--(void) switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock caseWidget:(void (^)(MuTapResultWidget *))widgetBlock
+-(void) switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock caseWidget:(void (^)(MuTapResultWidget *))widgetBlock caseAnnotation:(void (^)(MuTapResultAnnotation *))annotationBlock
 {
 	remoteLinkBlock(self);
 }
@@ -95,9 +94,37 @@
 
 @implementation MuTapResultWidget
 
--(void) switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock caseWidget:(void (^)(MuTapResultWidget *))widgetBlock
+-(void) switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock caseWidget:(void (^)(MuTapResultWidget *))widgetBlock caseAnnotation:(void (^)(MuTapResultAnnotation *))annotationBlock
 {
 	widgetBlock(self);
 }
 
-@end
\ No newline at end of file
+@end
+
+
+@implementation MuTapResultAnnotation
+
+@synthesize annot;
+
+-(id) initWithAnnotation:(MuAnnotation *)aAnnot
+{
+	self = [super init];
+	if (self)
+	{
+		annot = [aAnnot retain];
+	}
+	return self;
+}
+
+-(void) dealloc
+{
+	[annot release];
+	[super dealloc];
+}
+
+-(void) switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock caseWidget:(void (^)(MuTapResultWidget *))widgetBlock caseAnnotation:(void (^)(MuTapResultAnnotation *))annotationBlock
+{
+	annotationBlock(self);
+}
+
+@end
diff --git a/platform/ios/MuPDF.xcodeproj/project.pbxproj b/platform/ios/MuPDF.xcodeproj/project.pbxproj
index b805f3f3..1bbc8a0b 100644
--- a/platform/ios/MuPDF.xcodeproj/project.pbxproj
+++ b/platform/ios/MuPDF.xcodeproj/project.pbxproj
@@ -53,11 +53,14 @@
 		DABF8CC3180C28E60069CB6D /* MuChoiceFieldController.xib in Resources */ = {isa = PBXBuildFile; fileRef = DABF8CC2180C28E60069CB6D /* MuChoiceFieldController.xib */; };
 		DABF8CC6180C2C650069CB6D /* MuChoiceFieldController.m in Sources */ = {isa = PBXBuildFile; fileRef = DABF8CC5180C2C640069CB6D /* MuChoiceFieldController.m */; };
 		DACD12271833CDA600D4B9C5 /* ic_check.png in Resources */ = {isa = PBXBuildFile; fileRef = DACD12261833CDA600D4B9C5 /* ic_check.png */; };
+		DAD10489183D0A2900960F4C /* MuAnnotation.m in Sources */ = {isa = PBXBuildFile; fileRef = DAD10488183D0A2900960F4C /* MuAnnotation.m */; };
 		DAD2BA821835064E00E7C49D /* MuTextSelectView.m in Sources */ = {isa = PBXBuildFile; fileRef = DAD2BA811835064E00E7C49D /* MuTextSelectView.m */; };
 		DAD47D2A1832475C00E173A0 /* ic_more.png in Resources */ = {isa = PBXBuildFile; fileRef = DAD47D291832475C00E173A0 /* ic_more.png */; };
 		DAD47D2E1832615900E173A0 /* ic_highlight.png in Resources */ = {isa = PBXBuildFile; fileRef = DAD47D2B1832615900E173A0 /* ic_highlight.png */; };
 		DAD47D2F1832615900E173A0 /* ic_strike.png in Resources */ = {isa = PBXBuildFile; fileRef = DAD47D2C1832615900E173A0 /* ic_strike.png */; };
 		DAD47D301832615900E173A0 /* ic_underline.png in Resources */ = {isa = PBXBuildFile; fileRef = DAD47D2D1832615900E173A0 /* ic_underline.png */; };
+		DAD72802183E53F0005C14FA /* MuAnnotSelectView.m in Sources */ = {isa = PBXBuildFile; fileRef = DAD72801183E53F0005C14FA /* MuAnnotSelectView.m */; };
+		DAD72804183E6F33005C14FA /* ic_trash.png in Resources */ = {isa = PBXBuildFile; fileRef = DAD72803183E6F33005C14FA /* ic_trash.png */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -134,12 +137,17 @@
 		DABF8CC4180C2C640069CB6D /* MuChoiceFieldController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = MuChoiceFieldController.h; path = Classes/MuChoiceFieldController.h; sourceTree = "<group>"; };
 		DABF8CC5180C2C640069CB6D /* MuChoiceFieldController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = MuChoiceFieldController.m; path = Classes/MuChoiceFieldController.m; sourceTree = "<group>"; };
 		DACD12261833CDA600D4B9C5 /* ic_check.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = ic_check.png; path = "../android/res/drawable-ldpi/ic_check.png"; sourceTree = "<group>"; };
+		DAD10487183D0A2900960F4C /* MuAnnotation.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = MuAnnotation.h; path = Classes/MuAnnotation.h; sourceTree = "<group>"; };
+		DAD10488183D0A2900960F4C /* MuAnnotation.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = MuAnnotation.m; path = Classes/MuAnnotation.m; sourceTree = "<group>"; };
 		DAD2BA801835064E00E7C49D /* MuTextSelectView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = MuTextSelectView.h; path = Classes/MuTextSelectView.h; sourceTree = "<group>"; };
 		DAD2BA811835064E00E7C49D /* MuTextSelectView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = MuTextSelectView.m; path = Classes/MuTextSelectView.m; sourceTree = "<group>"; };
 		DAD47D291832475C00E173A0 /* ic_more.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = ic_more.png; path = "../android/res/drawable-ldpi/ic_more.png"; sourceTree = "<group>"; };
 		DAD47D2B1832615900E173A0 /* ic_highlight.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = ic_highlight.png; path = "../android/res/drawable-ldpi/ic_highlight.png"; sourceTree = "<group>"; };
 		DAD47D2C1832615900E173A0 /* ic_strike.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = ic_strike.png; path = "../android/res/drawable-ldpi/ic_strike.png"; sourceTree = "<group>"; };
 		DAD47D2D1832615900E173A0 /* ic_underline.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = ic_underline.png; path = "../android/res/drawable-ldpi/ic_underline.png"; sourceTree = "<group>"; };
+		DAD72800183E53F0005C14FA /* MuAnnotSelectView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = MuAnnotSelectView.h; path = Classes/MuAnnotSelectView.h; sourceTree = "<group>"; };
+		DAD72801183E53F0005C14FA /* MuAnnotSelectView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = MuAnnotSelectView.m; path = Classes/MuAnnotSelectView.m; sourceTree = "<group>"; };
+		DAD72803183E6F33005C14FA /* ic_trash.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = ic_trash.png; path = "../android/res/drawable-ldpi/ic_trash.png"; sourceTree = "<group>"; };
 		DADD8D6917EB24C000C49E0B /* MuPageView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = MuPageView.h; path = Classes/MuPageView.h; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
@@ -205,6 +213,7 @@
 		968E1E461779A54F0050CEA3 /* Resources */ = {
 			isa = PBXGroup;
 			children = (
+				DAD72803183E6F33005C14FA /* ic_trash.png */,
 				DACD12261833CDA600D4B9C5 /* ic_check.png */,
 				DAD47D2B1832615900E173A0 /* ic_highlight.png */,
 				DAD47D2C1832615900E173A0 /* ic_strike.png */,
@@ -246,8 +255,12 @@
 				DAD2BA811835064E00E7C49D /* MuTextSelectView.m */,
 				DA442E2E183B9F13008EF49B /* MuInkView.h */,
 				DA442E2F183B9F13008EF49B /* MuInkView.m */,
+				DAD72800183E53F0005C14FA /* MuAnnotSelectView.h */,
+				DAD72801183E53F0005C14FA /* MuAnnotSelectView.m */,
 				DAB067A41831225D00DDA774 /* MuWord.h */,
 				DAB067A51831225D00DDA774 /* MuWord.m */,
+				DAD10487183D0A2900960F4C /* MuAnnotation.h */,
+				DAD10488183D0A2900960F4C /* MuAnnotation.m */,
 				DA1C68A417E863C70061F586 /* MuPageViewNormal.h */,
 				DA1C68A517E863C70061F586 /* MuPageViewNormal.m */,
 				DA1C68A617E864180061F586 /* MuDocumentController.h */,
@@ -369,6 +382,7 @@
 				DAD47D301832615900E173A0 /* ic_underline.png in Resources */,
 				DACD12271833CDA600D4B9C5 /* ic_check.png in Resources */,
 				DA442E2D183B796F008EF49B /* ic_pen.png in Resources */,
+				DAD72804183E6F33005C14FA /* ic_trash.png in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -418,6 +432,8 @@
 				DAB067A61831225D00DDA774 /* MuWord.m in Sources */,
 				DAD2BA821835064E00E7C49D /* MuTextSelectView.m in Sources */,
 				DA442E30183B9F13008EF49B /* MuInkView.m in Sources */,
+				DAD10489183D0A2900960F4C /* MuAnnotation.m in Sources */,
+				DAD72802183E53F0005C14FA /* MuAnnotSelectView.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};