diff options
Diffstat (limited to 'src/api/ios/delegate.rs')
| -rw-r--r-- | src/api/ios/delegate.rs | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/src/api/ios/delegate.rs b/src/api/ios/delegate.rs new file mode 100644 index 0000000..62cd89d --- /dev/null +++ b/src/api/ios/delegate.rs @@ -0,0 +1,226 @@ +use libc; +use std::mem; +use super::DelegateState; +use Event; +use events::{ Touch, TouchPhase }; + +use objc::runtime::{ Class, Object, Sel, BOOL, YES }; +use objc::declare::{ ClassDecl }; + +use super::ffi::{ + longjmp, + id, + nil, + CGRect, + CGPoint, + CGFloat, + UIViewAutoresizingFlexibleWidth, + UIViewAutoresizingFlexibleHeight + }; + +use super::jmpbuf; + + +pub fn create_delegate_class() { + extern fn did_finish_launching(this: &mut Object, _: Sel, _: id, _: id) -> BOOL { + unsafe { + let main_screen: id = msg_send![Class::get("UIScreen").unwrap(), mainScreen]; + let bounds: CGRect = msg_send![main_screen, bounds]; + let scale: CGFloat = msg_send![main_screen, nativeScale]; + + let window: id = msg_send![Class::get("UIWindow").unwrap(), alloc]; + let window: id = msg_send![window, initWithFrame:bounds.clone()]; + + let size = (bounds.size.width as u32, bounds.size.height as u32); + + let view_controller: id = msg_send![Class::get("MainViewController").unwrap(), alloc]; + let view_controller: id = msg_send![view_controller, init]; + + + let class = Class::get("MainView").unwrap(); + let view:id = msg_send![class, alloc]; + let view:id = msg_send![view, initForGl:&bounds]; + + + let _: () = msg_send![view_controller, setView:view]; + + + let _: () = msg_send![window, setRootViewController:view_controller]; + + let _: () = msg_send![window, addSubview:view]; + let _: () = msg_send![window, makeKeyAndVisible]; + + let state = Box::new(DelegateState::new(window, view_controller, view, size, scale as f32)); + let state_ptr: *mut DelegateState = mem::transmute(state); + this.set_ivar("glutinState", state_ptr as *mut libc::c_void); + + + let _: () = msg_send![this, performSelector:sel!(postLaunch:) withObject:nil afterDelay:0.0]; + } + YES + } + + extern fn post_launch(_: &Object, _: Sel, _: id) { + unsafe { longjmp(mem::transmute(&mut jmpbuf),1); } + } + + extern fn did_become_active(this: &Object, _: Sel, _: id) { + unsafe { + let state: *mut libc::c_void = *this.get_ivar("glutinState"); + let state = &mut *(state as *mut DelegateState); + state.events_queue.push_back(Event::Focused(true)); + } + } + + extern fn will_resign_active(this: &Object, _: Sel, _: id) { + unsafe { + let state: *mut libc::c_void = *this.get_ivar("glutinState"); + let state = &mut *(state as *mut DelegateState); + state.events_queue.push_back(Event::Focused(false)); + } + } + + extern fn will_enter_foreground(this: &Object, _: Sel, _: id) { + unsafe { + let state: *mut libc::c_void = *this.get_ivar("glutinState"); + let state = &mut *(state as *mut DelegateState); + state.events_queue.push_back(Event::Suspended(false)); + } + } + + extern fn did_enter_background(this: &Object, _: Sel, _: id) { + unsafe { + let state: *mut libc::c_void = *this.get_ivar("glutinState"); + let state = &mut *(state as *mut DelegateState); + state.events_queue.push_back(Event::Suspended(true)); + } + } + + extern fn will_terminate(this: &Object, _: Sel, _: id) { + unsafe { + let state: *mut libc::c_void = *this.get_ivar("glutinState"); + let state = &mut *(state as *mut DelegateState); + // push event to the front to garantee that we'll process it + // immidiatly after jump + state.events_queue.push_front(Event::Closed); + longjmp(mem::transmute(&mut jmpbuf),1); + } + } + + extern fn handle_touches(this: &Object, _: Sel, touches: id, _:id) { + unsafe { + let state: *mut libc::c_void = *this.get_ivar("glutinState"); + let state = &mut *(state as *mut DelegateState); + + let touches_enum: id = msg_send![touches, objectEnumerator]; + + loop { + let touch: id = msg_send![touches_enum, nextObject]; + if touch == nil { + break + } + let location: CGPoint = msg_send![touch, locationInView:nil]; + let touch_id = touch as u64; + let phase: i32 = msg_send![touch, phase]; + + state.events_queue.push_back(Event::Touch(Touch { + id: touch_id, + location: (location.x as f64, location.y as f64), + phase: match phase { + 0 => TouchPhase::Started, + 1 => TouchPhase::Moved, + // 2 is UITouchPhaseStationary and is not expected here + 3 => TouchPhase::Ended, + 4 => TouchPhase::Cancelled, + _ => panic!("unexpected touch phase: {:?}", phase) + } + })); + } + } + } + + let superclass = Class::get("UIResponder").unwrap(); + let mut decl = ClassDecl::new(superclass, "AppDelegate").unwrap(); + + unsafe { + decl.add_method(sel!(application:didFinishLaunchingWithOptions:), + did_finish_launching as extern fn(&mut Object, Sel, id, id) -> BOOL); + + decl.add_method(sel!(applicationDidBecomeActive:), + did_become_active as extern fn(&Object, Sel, id)); + + decl.add_method(sel!(applicationWillResignActive:), + will_resign_active as extern fn(&Object, Sel, id)); + + decl.add_method(sel!(applicationWillEnterForeground:), + will_enter_foreground as extern fn(&Object, Sel, id)); + + decl.add_method(sel!(applicationDidEnterBackground:), + did_enter_background as extern fn(&Object, Sel, id)); + + decl.add_method(sel!(applicationWillTerminate:), + will_terminate as extern fn(&Object, Sel, id)); + + + decl.add_method(sel!(touchesBegan:withEvent:), + handle_touches as extern fn(this: &Object, _: Sel, _: id, _:id)); + + decl.add_method(sel!(touchesMoved:withEvent:), + handle_touches as extern fn(this: &Object, _: Sel, _: id, _:id)); + + decl.add_method(sel!(touchesEnded:withEvent:), + handle_touches as extern fn(this: &Object, _: Sel, _: id, _:id)); + + decl.add_method(sel!(touchesCancelled:withEvent:), + handle_touches as extern fn(this: &Object, _: Sel, _: id, _:id)); + + + + decl.add_method(sel!(postLaunch:), + post_launch as extern fn(&Object, Sel, id)); + + decl.add_ivar::<*mut libc::c_void>("glutinState"); + + decl.register(); + } +} + + +pub fn create_view_class() { + let superclass = Class::get("UIViewController").unwrap(); + let decl = ClassDecl::new(superclass, "MainViewController").unwrap(); + + decl.register(); + + extern fn init_for_gl(this: &Object, _: Sel, frame: *const libc::c_void) -> id { + unsafe { + let bounds: *const CGRect = mem::transmute(frame); + let view: id = msg_send![this, initWithFrame:(*bounds).clone()]; + + let _: () = msg_send![view, setAutoresizingMask: UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight]; + let _: () = msg_send![view, setAutoresizesSubviews:YES]; + + let layer: id = msg_send![view, layer]; + let _ : () = msg_send![layer, setOpaque:YES]; + + view + } + } + + extern fn layer_class(_: &Class, _: Sel) -> *const Class { + unsafe { mem::transmute(Class::get("CAEAGLLayer").unwrap()) } + } + + + let superclass = Class::get("UIView").unwrap(); + let mut decl = ClassDecl::new(superclass, "MainView").unwrap(); + + unsafe { + decl.add_method(sel!(initForGl:), + init_for_gl as extern fn(&Object, Sel, *const libc::c_void) -> id); + + decl.add_class_method(sel!(layerClass), + layer_class as extern fn(&Class, Sel) -> *const Class); + decl.register(); + } +}
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