diff options
Diffstat (limited to 'ios/shared/ios_sharedlo/objective_c/gestures/MLOGestureEngine.m')
| -rw-r--r-- | ios/shared/ios_sharedlo/objective_c/gestures/MLOGestureEngine.m | 476 |
1 files changed, 0 insertions, 476 deletions
diff --git a/ios/shared/ios_sharedlo/objective_c/gestures/MLOGestureEngine.m b/ios/shared/ios_sharedlo/objective_c/gestures/MLOGestureEngine.m deleted file mode 100644 index f2a6f8ec6814..000000000000 --- a/ios/shared/ios_sharedlo/objective_c/gestures/MLOGestureEngine.m +++ /dev/null @@ -1,476 +0,0 @@ -// -*- 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 "MLOAnimation.h" -#import "MLOMainViewController_Friend.h" -#import "MLORenderManager_Impl.h" -#import "MLOSelectionViewController.h" -#import "MLOScrollerViewController.h" -#import "MLOGestureFlick.h" -#import "MLOScrollerData.h" -#import "MLOGestureLimiter.h" -#import "MLOGestureEngine_Impl.h" -#import "MLOKeyboardManager.h" -#import "mlo.h" -#import "mlo_utils.h" -#include <touch/touch.h> - -static const CGFloat - DOUBLE_TAP_ZOOM_IN=300.0f, - DOUBLE_TAP_ZOOM_OUT=100.0f, - DOUBLE_TAP_ZOOM_DURATION=0.7f, - DOUBLE_TAP_FPS_RATIO=0.5f, - DOUBLE_TAP_FPS=50.0f; - -static const BOOL ENABLE_LO_EVENTS_DURING_PINCH = NO; - -@interface MLOGestureEngine () -@property BOOL listening; -@property BOOL doubleTapped; -@property NSInteger handledGesturesCount; -@property CGPoint pinchCenter; -@property CGPoint panPrevious; -@property CGPoint dragStart; -@property NSArray * gestureRecognizers; -@property UIWindow * window; -@end - -@implementation MLOGestureEngine - --(id)initWithMainViewController:(MLOMainViewController *) mainViewController{ - self = [self init]; - if(self){ - self.mainViewController = mainViewController; - self.renderer = [MLORenderManager getInstance]; - self.selection = mainViewController.selection; - self.scroller = mainViewController.scroller; - self.flick = [[MLOGestureFlick alloc] initWithEngine:self]; - self.dragStart= self.panPrevious = self.pinchCenter = CGPointMake(0,0); - self.limiter = [[MLOGestureLimiter alloc] initWithGestureEngine:self]; - self.window = nil; - self.focused =NO; - self.listening = NO; - [self reset]; - } - - return self; -} - --(void) createListeners:(UIWindow *) window{ - - UITapGestureRecognizer * tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tap:)]; - UITapGestureRecognizer * doubleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(doubleTap:)]; - doubleTap.numberOfTapsRequired =2; - doubleTap.numberOfTouchesRequired=1; - [tap requireGestureRecognizerToFail:doubleTap]; - - self.gestureRecognizers = @[tap, - doubleTap, - [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(pan:)], - [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(drag:)], - [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(pinch:)]]; - - -} - --(void)gestureRecognizersEnable:(BOOL) enable{ - for(UIGestureRecognizer * recognizer in self.gestureRecognizers){ - if(enable){ - [self.window addGestureRecognizer:recognizer]; - }else{ - [self.window removeGestureRecognizer:recognizer]; - } - } -} - --(void)showLibreOffice:(UIWindow *)window{ - - self.window = window; - - if(!_listening) { - - [self createListeners:window]; - _listening = YES; - } - - [self gestureRecognizersEnable:YES]; - - [_renderer showLibreOffice:self]; - _focused = YES; - [self reset]; - [self.limiter showLibreOffice]; -} - --(void)hideLibreOffice{ - - [self onGestureInterrupt]; - - [_renderer hideLibreOffice]; - - [_selection reset]; - - [self gestureRecognizersEnable:NO]; - - self.window = nil; - - _focused = NO; -} - - - --(void)drag:(UILongPressGestureRecognizer *) gesture{ - - if(_focused){ - - CGPoint point = [gesture locationInView:_renderer.view]; - - if([_mainViewController.canvas pointInside:point withEvent:nil]){ - - [_selection hide]; - - UIGestureRecognizerState state = gesture.state; - - NSLog(@"MLO gesture engine long press state %d in point: (%f,%f)",state ,point.x,point.y); - - if(state == UIGestureRecognizerStateBegan) { - - self.dragStart = point; - - touch_lo_mouse_drag(point.x, point.y, DOWN); - - } else if(state == UIGestureRecognizerStateChanged) { - - touch_lo_mouse_drag(point.x, point.y, MOVE); - - [_selection showBetweenFinger:point andPreviousPoint:self.dragStart showMenu:NO]; - - } else if(state == UIGestureRecognizerStateEnded) { - - touch_lo_mouse_drag(point.x, point.y, UP); - - [_selection showBetweenFinger:point andPreviousPoint:self.dragStart showMenu:YES]; - } - [self evalGestureCount: state]; - } - } -} - -- (void)tap:(UITapGestureRecognizer *)gesture -{ - [self tapGeneric:gesture name:@"tap" requiresTappable:YES action:^(CGPoint location){ - - touch_lo_tap(location.x, location.y); - - [self.mainViewController.keyboard show]; - - }]; - -} - --(void) doubleTap:(UITapGestureRecognizer *)gesture{ - [self tapGeneric:gesture name:@"double tap" requiresTappable:NO action:^(CGPoint location){ - - __block CGFloat initialZoom = [_limiter zoom]; - - CGFloat targetZoom = _doubleTapped ? DOUBLE_TAP_ZOOM_OUT : DOUBLE_TAP_ZOOM_IN; - CGFloat deltaZoom = targetZoom - initialZoom; - - if(LOG_DOUBLE_TAP){ - NSLog(@"DoubleTap currentZoom=%f targetZoom=%f",initialZoom,targetZoom); - } - - [self pinch:location scale:1.0f state:UIGestureRecognizerStateBegan]; - - MLOAnimation * animation= - [[MLOAnimation alloc] - initWithBehavior: MANDATORY - fractionType: FULL_FRACTION - animation: ^(CGFloat fraction){ - [self pinch: location - scale: (initialZoom + deltaZoom *fraction)/ initialZoom - state: UIGestureRecognizerStateChanged]; - }]; - - animation.fps = DOUBLE_TAP_FPS; - animation.duration = DOUBLE_TAP_ZOOM_DURATION; - [animation linearCurve]; - animation.endBlock = ^(void){ - - [self pinch:location - scale:targetZoom / initialZoom - state:UIGestureRecognizerStateEnded]; - - }; - [_currentAnimation cancel]; - self.currentAnimation = animation; - - [animation animate]; - - _doubleTapped^=YES; - - }]; -} - - --(void)tapGeneric:(UITapGestureRecognizer *) gesture - name:(NSString *) name - requiresTappable:(BOOL) isRequiresTappable - action:(void (^)(CGPoint location)) doTap { - - if(_focused){ - - UIGestureRecognizerState state = gesture.state; - - if (state == UIGestureRecognizerStateEnded) { - - [self onGestureInterrupt]; - - CGPoint point = [gesture locationInView: _renderer.view]; - - if([_mainViewController.canvas pointInside:point withEvent:nil]){ - - if(!isRequiresTappable || [_mainViewController isTappable]){ - - NSLog(@"%@: at: (%d,%d)",name, (int)point.x, (int)point.y); - doTap(point); - - }else{ - NSLog(@"%@ gesture aborted - main view controller is not tappable",name); - } - } - } else{ - NSLog(@"%@ Gesture: %@", name, gesture); - } - - [self evalGestureCount:state]; - } -} - - --(void)onScroll:(UIGestureRecognizerState) state deltaY:(CGFloat) deltaY{ - if((state ==UIGestureRecognizerStateEnded)|| - (state == UIGestureRecognizerStateBegan)){ - [_scroller updateByLogic]; - }else{ - [_scroller updateByPixelDeltaY:deltaY]; - } - [self evalGestureCount: state]; - -} - - -- (void)pan:(UIPanGestureRecognizer *)gesture{ - if(_focused){ - - CGPoint location = [gesture locationInView:_renderer.view]; - - UIGestureRecognizerState state = gesture.state; - - if(![_selection handleMoveAtPoint:location gestureState:state] && - [_mainViewController.canvas pointInside:location withEvent:nil]){ - - if(state != UIGestureRecognizerStateBegan){ - - NSInteger deltaX = location.x - self.panPrevious.x; - NSInteger deltaY = location.y - self.panPrevious.y; - - [self loPanDeltaX:deltaX deltaY:deltaY state:state]; - } - - [self evalGestureCount:state]; - - self.panPrevious = location; - - if(![_flick eval:gesture] && - (state == UIGestureRecognizerStateEnded)){ - - [self endPan]; - } - - } - } -} - --(void)endFlick{ - [self endPan]; - [self onScroll:UIGestureRecognizerStateEnded deltaY:0.0f]; -} - --(void) endPan{ - NSLog(@"PAN ENDED"); - [_renderer endGestures]; -} - --(BOOL) loPanDeltaX:(NSInteger) rawDeltaX deltaY:(NSInteger) rawDeltaY state:(UIGestureRecognizerState) state{ - - CGFloat limitedDeltaX = [_limiter limitDelta:rawDeltaX direction:DELTA_X]; - CGFloat limitedDeltaY = [_limiter limitDelta:rawDeltaY direction:DELTA_Y]; - - if((limitedDeltaX!=0.0f) - || (limitedDeltaY!=0.0f)){ - - if(LOG_PAN){ - [_limiter logPanRawDeltaX:rawDeltaX - rawDeltaY:rawDeltaY - limitedDeltaX:limitedDeltaX - limitedDeltaY:limitedDeltaY]; - } - - [_mainViewController.renderManager panDeltaX:(CGFloat)limitedDeltaX - deltaY:(CGFloat)limitedDeltaY]; - - - [self onScroll:state deltaY: limitedDeltaY]; - - touch_lo_pan(limitedDeltaX, limitedDeltaY); - - return YES; - } - return NO; -} - -- (void)pinch:(UIPinchGestureRecognizer *)gesture -{ - if(_focused){ - - if(gesture.numberOfTouches>1){ - self.pinchCenter = [gesture locationInView:_renderer.view]; - } - - [self pinch:self.pinchCenter scale:[gesture scale] state:gesture.state]; - - } -} - --(void)pinch:(CGPoint) location scale:(CGFloat) scale state:(UIGestureRecognizerState) state{ - - [_selection hide]; - - if(state ==UIGestureRecognizerStateBegan){ - self.panPrevious = location; - [_limiter beginPinch]; - }else{ - - CGFloat scaleRatioToLastScale = [_limiter inPinchGetRatioToLastScale:scale]; - CGFloat deltaX = (location.x - self.panPrevious.x)*scaleRatioToLastScale; - CGFloat deltaY = (location.y - self.panPrevious.y)*scaleRatioToLastScale; - - deltaX = [_limiter limitDelta:deltaX direction:DELTA_X]; - deltaY = [_limiter limitDelta:deltaY direction:DELTA_Y]; - - self.panPrevious = location; - - if(ENABLE_PINCH_RENDERING_VIA_IOS){ - - [_renderer pinchDeltaX:deltaX - deltaY:deltaY - scale:[_limiter currentPinchScale]]; - - if(ENABLE_LO_EVENTS_DURING_PINCH){ - [_limiter fireLoZoomEventsDuringPinch]; - } - - if(state==UIGestureRecognizerStateEnded){ - - CGPoint shift = [_renderer getShiftFromCanvasCenter]; - - [_renderer endGestures]; - - [self loZoomDeltaX:shift.x - deltaY:shift.y - scale:[_limiter endPinchAndGetScaleForLo:scale]]; - - } - - }else{ - [self loZoomDeltaX:deltaX deltaY:deltaY scale:scaleRatioToLastScale]; - } - } - - [self onScroll:state deltaY:0]; -} --(void)loZoomDeltaX:(CGFloat)deltaX deltaY:(CGFloat)deltaY scale:(CGFloat) scale{ - NSInteger xInt = deltaX; - NSInteger yInt = deltaY; - - if(LOG_PINCH){ - NSLog(@"touch_lo_zoom: (%d,%d) scale=%f",xInt,yInt, scale); - } - - touch_lo_zoom(xInt, yInt, (float)scale); -} - - - --(void)onGestureInterrupt{ - [_selection hide]; - [_currentAnimation cancel]; - -} - --(void)evalGestureCount:(UIGestureRecognizerState) state{ - if(state == UIGestureRecognizerStateBegan){ - - _handledGesturesCount++; - - }else if(state == UIGestureRecognizerStateCancelled || - state == UIGestureRecognizerStateEnded || - state == UIGestureRecognizerStateFailed){ - - _handledGesturesCount--; - - if(_handledGesturesCount==0){ - [_scroller fadeOut]; - } else if(_handledGesturesCount < 0){ - self.handledGesturesCount = 0; - } - } -} - -- (void)onKeyboardShow{ - if(_focused){ - - [_selection hide]; - } -} - -- (void)onKeyboardHide{ - -} - --(void)reset{ - self.doubleTapped = NO; - self.handledGesturesCount = 0; -} - --(void)onRotate{ - self.handledGesturesCount=0; - [_limiter onRotate]; -} - -@end - -void touch_ui_selection_start(MLOSelectionKind kind, - const void *documentHandle, - MLORect *rectangles, - int rectangleCount, - void *preview){ - // Note that this is called on the LO thread - NSLog(@"==> touch_ui_selection_start"); - for(size_t i = 0; i < rectangleCount; ++i){ - NSLog(@" %fx%f@(%f,%f)", - rectangles[i].size.width, - rectangles[i].size.height, - rectangles[i].origin.x, - rectangles[i].origin.y); - } -} - -void touch_ui_selection_none(){ - // STUB -} |