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// -*- Mode: ObjC; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
//
// This file is part of the LibreOffice project.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#import "MLOScrollerViewController.h"
#import "MLOMainViewController.h"
#import "MLOSubView.h"
#import "MLOScrollerData.h"
#import "MLOScrollerTooltip.h"
#import "MLOScrollerGridViewController.h"
#import "mlo_uno.h"
@interface MLOScrollerViewController ()
@property BOOL isContentChanged,hasUpdated;
@property MLOMainViewController * mainViewController;
@property MLOSubView * scroller;
@property MLOScrollerTooltip * tooltip;
@property MLOScrollerGridViewController * grid;
@property NSDate * fadeOutTime;
@end
static const CGFloat
SCROLLER_CORNER_RADIUS =3.0f,
RESHAPE_ANIMATION_DURATION= 0.05f,
SCROLLER_FADE_OUT_DELAY=0.45f,
SCROLLER_FADE_OUT_DURATION=1.0f,
SCROLLER_FADE_OUT_INVOCATION =SCROLLER_FADE_OUT_DELAY+0.05f;
// Tooltip is removed at request of PM
// Maybe they'll want it back, or similar, in the future
static const BOOL IS_SHOW_TOOLTIP =NO;
@implementation MLOScrollerViewController
-(id) initWithMainViewController:(MLOMainViewController *) mainViewController{
self = [super init];
if(self){
self.mainViewController = mainViewController;
self.scroller = [[MLOSubView alloc] initHiddedWithColor:[UIColor grayColor] cornerRadius:SCROLLER_CORNER_RADIUS];
self.data = [[MLOScrollerData alloc] initWithMainViewController:mainViewController];
if(IS_SHOW_TOOLTIP){
self.tooltip = [MLOScrollerTooltip new];
}else{
self.tooltip = nil;
}
self.fadeOutTime = nil;
self.grid = [[MLOScrollerGridViewController alloc] initWithMainViewController:mainViewController];
_isContentChanged =YES;
_hasUpdated =NO;
[_data onRotateWithGrid:_grid];
}
return self;
}
-(void) addToMainViewController{
[_mainViewController.canvas addSubview:_scroller];
[_mainViewController.canvas addSubview:_tooltip];
}
-(void) showLibreOffice{
[_data showLibreOffice];
[self contentHasChanged];
if(mlo_is_document_open()){
[self updateByLogic:NO];
}
}
-(void)contentHasChanged{
self.isContentChanged = YES;
}
-(void)onRotate{
[self contentHasChanged];
[_data onRotateWithGrid:_grid];
}
-(void)updateByLogic{
[self updateByLogic:YES];
}
-(void)updateByPixelDeltaY:(CGFloat) pixelDeltaY{
[self updateAndShowScroller:YES newScrollerFrame:[_data getShiftedScrollerFrame:pixelDeltaY]];
}
-(void)updateByLogic:(BOOL) isShow {
if(_isContentChanged){
[_grid onPageCountChanged:[_data getTotalPages]];
_isContentChanged=NO;
}
[self updateAndShowScroller:isShow newScrollerFrame:[_data getNewScrollerFrame]];
}
-(void)updateAndShowScroller:(BOOL) isShow newScrollerFrame:(CGRect) newScrollerFrame{
if(isShow){
_scroller.alpha = 0.5;
}
[UIView animateWithDuration:_hasUpdated ? RESHAPE_ANIMATION_DURATION :0.0f
animations:^{ _scroller.frame = newScrollerFrame; }
completion:^(BOOL isCompleted){
self.fadeOutTime = [NSDate dateWithTimeIntervalSinceNow:SCROLLER_FADE_OUT_DELAY];
[self performSelector:@selector(timedFadeOut) withObject:nil afterDelay:SCROLLER_FADE_OUT_INVOCATION];
}];
[_data updateTooltip:_tooltip withGrid:_grid];
_hasUpdated=YES;
}
-(void) reset{
[_scroller hide];
[_tooltip hide];
_hasUpdated=NO;
[self onRotate];
}
-(void) timedFadeOut {
NSDate * date = self.fadeOutTime;
if(![[date laterDate:[NSDate date]] isEqualToDate:date]){
[self fadeOut];
}
}
-(void)fadeOut{
[_scroller fade:OUT];
}
-(void) hideLibreOffice{
[_tooltip hideLibreOffice];
[_grid hide];
[self contentHasChanged];
[_data hideLibreOffice];
}
@end
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