1 files changed, 157 insertions, 0 deletions
diff --git a/ios/shared/ios_sharedlo/objective_c/view_controllers/toolbar/MLOToolbarButton.m b/ios/shared/ios_sharedlo/objective_c/view_controllers/toolbar/MLOToolbarButton.m
new file mode 100644
index 000000000000..1eb0f3c9d253
--- /dev/null
+++ b/ios/shared/ios_sharedlo/objective_c/view_controllers/toolbar/MLOToolbarButton.m
@@ -0,0 +1,157 @@
+// -*- Mode: Objective-C; 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