Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/client/iOS/Views/TouchPointerView.h

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+/*
+ RDP Touch Pointer View
+
+ Copyright 2013 Thincast Technologies GmbH, Author: Martin Fleisz
+
+ 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 <UIKit/UIKit.h>
+
+// protocol for touch pointer callbacks
+@protocol TouchPointerDelegate
+// callback if touch pointer should be closed
+- (void)touchPointerClose;
+// callback for a left click action
+- (void)touchPointerLeftClick:(CGPoint)pos down:(BOOL)down;
+// callback for a right click action
+- (void)touchPointerRightClick:(CGPoint)pos down:(BOOL)down;
+// callback for pointer move action
+- (void)touchPointerMove:(CGPoint)pos;
+// callback if scrolling is performed
+- (void)touchPointerScrollDown:(BOOL)down;
+// callback for toggling the standard keyboard
+- (void)touchPointerToggleKeyboard;
+// callback for toggling the extended keyboard
+- (void)touchPointerToggleExtendedKeyboard;
+// callback for reset session view
+- (void)touchPointerResetSessionView;
+@end
+
+@interface TouchPointerView : UIView
+{
+	// transformation and image currently drawn
+	CGAffineTransform _pointer_transformation;
+	UIImage *_cur_pointer_img;
+
+	// action images
+	UIImage *_default_pointer_img;
+	UIImage *_active_pointer_img;
+	UIImage *_lclick_pointer_img;
+	UIImage *_rclick_pointer_img;
+	UIImage *_scroll_pointer_img;
+	UIImage *_extkeyboard_pointer_img;
+	UIImage *_keyboard_pointer_img;
+	UIImage *_reset_pointer_img;
+
+	// predefined areas for all actions
+	CGRect _pointer_areas[9];
+
+	// scroll/drag n drop handling
+	CGPoint _prev_touch_location;
+	BOOL _pointer_moving;
+	BOOL _pointer_scrolling;
+
+	NSObject<TouchPointerDelegate> *_delegate;
+}
+
+@property(assign) IBOutlet NSObject<TouchPointerDelegate> *delegate;
+
+// positions the pointer on screen if it got offscreen after an orentation change or after
+// displaying the keyboard
+- (void)ensurePointerIsVisible;
+
+// returns the extent required for the scrollview to use the touch pointer near the edges of the
+// session view
+- (UIEdgeInsets)getEdgeInsets;
+
+// return pointer dimension and position information
+- (CGPoint)getPointerPosition;
+- (int)getPointerWidth;
+- (int)getPointerHeight;
+
+@end