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#include "common.h"

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#import "MuPageViewReflow.h"

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NSString *textAsHtml(fz_document *doc, int pageNum)

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{

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	NSString *str = nil;

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	fz_page *page = NULL;

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	fz_text_sheet *sheet = NULL;

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	fz_text_page *text = NULL;

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	fz_device *dev = NULL;

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	fz_matrix ctm;

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	fz_buffer *buf = NULL;

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	fz_output *out = NULL;

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	fz_var(page);

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	fz_var(sheet);

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	fz_var(text);

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	fz_var(dev);

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	fz_var(buf);

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	fz_var(out);

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	fz_try(ctx)

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	{

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		ctm = fz_identity;

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		sheet = fz_new_text_sheet(ctx);

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		text = fz_new_text_page(ctx);

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		dev = fz_new_text_device(ctx, sheet, text);

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		page = fz_load_page(ctx, doc, pageNum);

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		fz_run_page(ctx, page, dev, &ctm, NULL);

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		fz_drop_device(ctx, dev);

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		dev = NULL;

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		fz_analyze_text(ctx, sheet, text);

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		buf = fz_new_buffer(ctx, 256);

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		out = fz_new_output_with_buffer(ctx, buf);

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		fz_printf(ctx, out, "<html>\n");

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		fz_printf(ctx, out, "<style>\n");

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		fz_printf(ctx, out, "body{margin:0;}\n");

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		fz_printf(ctx, out, "div.page{background-color:white;}\n");

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		fz_printf(ctx, out, "div.block{margin:0pt;padding:0pt;}\n");

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		fz_printf(ctx, out, "div.metaline{display:table;width:100%%}\n");

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		fz_printf(ctx, out, "div.line{display:table-row;}\n");

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		fz_printf(ctx, out, "div.cell{display:table-cell;padding-left:0.25em;padding-right:0.25em}\n");

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		//fz_printf(ctx, out, "p{margin:0;padding:0;}\n");

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		fz_printf(ctx, out, "</style>\n");

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		fz_printf(ctx, out, "<body style=\"margin:0\"><div style=\"padding:10px\" id=\"content\">");

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		fz_print_text_page_html(ctx, out, text);

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		fz_printf(ctx, out, "</div></body>\n");

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		fz_printf(ctx, out, "<style>\n");

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		fz_print_text_sheet(ctx, out, sheet);

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		fz_printf(ctx, out, "</style>\n</html>\n");

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		out = NULL;

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		str = [[[NSString alloc] initWithBytes:buf->data length:buf->len encoding:NSUTF8StringEncoding] autorelease];

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	}

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	fz_always(ctx)

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	{

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		fz_drop_text_page(ctx, text);

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		fz_drop_text_sheet(ctx, sheet);

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		fz_drop_device(ctx, dev);

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		fz_drop_output(ctx, out);

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		fz_drop_buffer(ctx, buf);

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		fz_drop_page(ctx, page);

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	}

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	fz_catch(ctx)

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	{

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		str = nil;

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	}

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	return str;

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}

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@implementation MuPageViewReflow

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{

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	int number;

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	float scale;

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}

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- (id)initWithFrame:(CGRect)frame document:(MuDocRef *)aDoc page:(int)aNumber

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{

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	self = [super initWithFrame:frame];

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	if (self) {

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		number = aNumber;

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		scale = 1.0;

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		self.scalesPageToFit = NO;

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		[self setDelegate:self];

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		dispatch_async(queue, ^{

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			__block NSString *cont = [textAsHtml(aDoc->doc, aNumber) retain];

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			dispatch_async(dispatch_get_main_queue(), ^{

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				[self loadHTMLString:cont baseURL:nil];

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			});

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		});

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	}

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	return self;

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}

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-(void) webViewDidFinishLoad:(UIWebView *)webView

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{

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	[self stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@"document.getElementById('content').style.zoom=\"%f\"", scale]];

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}

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-(void) dealloc

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{

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	[self setDelegate:nil];

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	[super dealloc];

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}

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-(int) number

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{

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	return number;

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}

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-(void) willRotate {}

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-(void) showLinks {}

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-(void) hideLinks {}

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-(void) showSearchResults: (int)count {}

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-(void) clearSearchResults {}

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-(void) textSelectModeOn {}

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-(void) textSelectModeOff {}

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-(void) inkModeOn {}

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-(void) inkModeOff {}

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-(void) saveSelectionAsMarkup:(int)type {}

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-(void) saveInk {}

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-(void) deselectAnnotation {}

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-(void) deleteSelectedAnnotation {}

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-(void) update {}

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-(void) resetZoomAnimated: (BOOL)animated

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{

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	[self.scrollView setContentOffset:CGPointZero animated:NO];

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}

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-(void) setScale:(float)aFloat

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{

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	scale = aFloat;

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	[self stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@"document.getElementById('content').style.zoom=\"%f\"", scale]];

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}

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-(MuTapResult *) handleTap:(CGPoint)pt

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{

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	return nil;

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}

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@end

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