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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 "MLOToolbarButton.h"
#import "MLOToolbarViewController.h"
#import "MLOToolbarViewController_Impl.h"
#import "MLOMainViewController.h"
#import "MLOResourceImage.h"
static const CGFloat
TAPPED_ALPHA=1.0f,
UNTAPPED_ALPHA=0.3f,
BUTTON_IMAGE_X_EDGE_OF_CANVAS_PADDING = 40.0f,
BUTTON_IMAGE_Y_EDGE_OF_CANVAS_PADDING = 30.0f,
BUTTON_IMAGE_Y_SPACING = 40.0f,
BUTTON_THICKENING = 10.f,
FADE_TO_UNTAPPED_TIME=0.5f;
static NSInteger toolbarButtonsTotalHeight=BUTTON_IMAGE_Y_EDGE_OF_CANVAS_PADDING;
static const BOOL IS_FLASH_ON_TAP = NO;
@interface MLOToolbarButton ()
@property MLOToolbarViewController * toolbarController;
@property (nonatomic,strong) MLOToolbarButtonCallback onTap, onTapRelease;
@property BOOL isTapped,currentImageIsMain;
@property MLOToolbarButtonTapReleaseType tapReleaseType;
@property MLOResourceImage * mainImage;
@end
@implementation MLOToolbarButton
-(void)addToToolbarControler:(MLOToolbarViewController *) toolbar{
self.toolbarController = toolbar;
}
+(MLOToolbarButton *)buttonWithImage:(MLOResourceImage *) image onTap:(MLOToolbarButtonCallback) onTap tapRelease:(MLOToolbarButtonTapReleaseType)type{
return [MLOToolbarButton buttonWithImage:image onTap:onTap tapRelease:type onTapRelease:MLO_TOOLBAR_BUTTON_STUB_CALLBACK];
}
+(MLOToolbarButton *)buttonWithImage:(MLOResourceImage *) image onTap:(MLOToolbarButtonCallback) onTap tapRelease:(MLOToolbarButtonTapReleaseType)type onTapRelease:(MLOToolbarButtonCallback)onTapRelease
{
MLOToolbarButton * button = [MLOToolbarButton buttonWithType:UIButtonTypeCustom];
if(button){
button.mainImage = image;
button.onTap = onTap;
button.tapReleaseType = type;
button.onTapRelease = onTapRelease;
button.alternateImage=nil;
static const CGFloat BUTTON_X=BUTTON_IMAGE_X_EDGE_OF_CANVAS_PADDING -BUTTON_THICKENING,
BUTTON_TWICE_THICKENING=2.0f*BUTTON_THICKENING;
button.frame = CGRectMake(BUTTON_X,
toolbarButtonsTotalHeight-BUTTON_THICKENING,
image.image.size.width + BUTTON_TWICE_THICKENING,
image.image.size.height + BUTTON_TWICE_THICKENING);
toolbarButtonsTotalHeight += image.image.size.height + BUTTON_IMAGE_Y_SPACING;
[button reset:0];
[button addAction:@selector(onTapAction)];
}
return button;
}
-(BOOL)isHold{
return _tapReleaseType != AUTOMATIC;
}
-(void)releaseIfNeeded{
if(_isTapped && [self isHold]){
[self invokeOnTapRelease];
}
_isTapped = NO;
}
-(void)reset:(CGFloat) alpha{
[self releaseIfNeeded];
self.alpha = alpha;
}
-(void)onOtherButtonTapped{
if(_tapReleaseType == RETAP_OR_OTHER_TAPPED){
[self releaseIfNeeded];
[self fadeToUntapped];
}
}
-(void)invokeOnTapRelease{
[self invoke:_onTapRelease named:@"onTapRelease"];
}
-(void)switchImage{
if(_alternateImage!=nil){
[self setDefaultImage:_currentImageIsMain ? _alternateImage.image : _mainImage.image ];
_currentImageIsMain^=YES;
}
}
- (void) onTapAction{
if(_isTapped){
if([self isHold]){
[self fadeToUntapped];
[self invokeOnTapRelease];
}
}else{
_isTapped=YES;
if(IS_FLASH_ON_TAP){
[_toolbarController.mainViewController flash];
}
self.alpha = TAPPED_ALPHA;
if(![self isHold]){
[self fadeToUntapped];
}
[_toolbarController hideAllButtonsBut:self];
[self invoke:_onTap named:@"onTap"];
}
}
-(void) fadeToUntapped{
if(self.alpha>UNTAPPED_ALPHA){
[UIView animateWithDuration:FADE_TO_UNTAPPED_TIME animations:^{
self.alpha = UNTAPPED_ALPHA;
}];
}
_isTapped = NO;
}
-(void)showLibreOffice{
[self setDefaultImage:_mainImage.image];
_currentImageIsMain = YES;
[self reset:UNTAPPED_ALPHA];
}
-(void)hideLibreOffice{
[self reset: 0];
}
-(void) invoke:(MLOToolbarButtonCallback) callback named:(NSString *) name{
callback();
NSLog(@"%@ button perfromed: %@",_mainImage.name, name);
}
@end
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