Initial commit

backends/platform/ios7/ios7_touch_controller.mm

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+// Disable symbol overrides so that we can use system headers.
+#define FORBIDDEN_SYMBOL_ALLOW_ALL
+
+#include "backends/platform/ios7/ios7_touch_controller.h"
+#include "backends/platform/ios7/ios7_video.h"
+
+@implementation TouchController {
+	UITouch *_touch;
+}
+
+@dynamic view;
+@dynamic isConnected;
+
+- (id)initWithView:(iPhoneView *)view {
+	self = [super initWithView:view];
+
+	_touch = nil;
+	// Touches should always be present in iOS view
+	[self setIsConnected:YES];
+
+	return self;
+}
+
+- (BOOL)shouldHandleTouch:(UITouch *)touch {
+	// In iOS touchpads will trigger UITouchTypeIndirect events
+	// However, they will also send mose events. Make sure to
+	// block the UITouchTypeIndirect but not in Apple TV OS where
+	// they are required as the Apple TV remote sends touh events
+	// but no mouse events.
+#if TARGET_OS_IOS
+	return touch != nil && (touch.type == UITouchTypeDirect || touch.type == UITouchTypePencil);
+#else
+	return YES;
+#endif
+}
+
+- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
+	_touch = [touches anyObject];
+
+	if ([self shouldHandleTouch:_touch]) {
+		CGPoint p = [self getLocationInView:_touch];
+		[[self view] addEvent:InternalEvent(kInputTouchBegan, p.x, p.y)];
+	}
+}
+
+- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {
+	UITouch *t = [touches anyObject];
+
+	if (t != _touch) {
+		// We shouldn't end up here but if we do bail out
+		return;
+	}
+	_touch = t;
+	if ([self shouldHandleTouch:_touch]) {
+		CGPoint p = [self getLocationInView:_touch];
+		[[self view] addEvent:InternalEvent(kInputTouchMoved, p.x, p.y)];
+	}
+}
+
+- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
+	_touch = nil;
+}
+
+- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event {
+	_touch = nil;
+}
+
+@end