blob: 1f094927a31a10db03205297b4fc4c0ce826a80a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
//
// GTMNSAnimation+Duration.m
//
// Copyright 2009 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
//
#import "GTMNSAnimation+Duration.h"
const NSUInteger kGTMLeftMouseUpAndKeyDownMask
= NSLeftMouseUpMask | NSKeyDownMask;
NSTimeInterval GTMModifyDurationBasedOnCurrentState(NSTimeInterval duration,
NSUInteger eventMask) {
NSEvent *currentEvent = [NSApp currentEvent];
NSUInteger currentEventMask = NSEventMaskFromType([currentEvent type]);
if (eventMask & currentEventMask) {
NSUInteger modifiers = [currentEvent modifierFlags];
if (!(modifiers & (NSAlternateKeyMask |
NSCommandKeyMask))) {
if (modifiers & NSShiftKeyMask) {
// 25 is the ascii code generated for a shift-tab (End-of-message)
// The shift modifier is ignored if it is applied to a Tab key down/up.
// Tab and shift-tab are often used for navigating around UI elements,
// and in the majority of cases slowing down the animations while
// navigating around UI elements is not desired.
BOOL isShiftTab = (currentEventMask & (NSKeyDownMask | NSKeyUpMask))
&& !(modifiers & NSControlKeyMask)
&& ([[currentEvent characters] length] == 1)
&& ([[currentEvent characters] characterAtIndex:0] == 25);
if (!isShiftTab) {
duration *= 5.0;
}
}
// These are additive, so shift+control returns 10 * duration.
if (modifiers & NSControlKeyMask) {
duration *= 2.0;
}
}
}
return duration;
}
@implementation NSAnimation (GTMNSAnimationDurationAdditions)
- (id)gtm_initWithDuration:(NSTimeInterval)duration
eventMask:(NSUInteger)eventMask
animationCurve:(NSAnimationCurve)animationCurve {
return [self initWithDuration:GTMModifyDurationBasedOnCurrentState(duration,
eventMask)
animationCurve:animationCurve];
}
- (void)gtm_setDuration:(NSTimeInterval)duration
eventMask:(NSUInteger)eventMask {
[self setDuration:GTMModifyDurationBasedOnCurrentState(duration,
eventMask)];
}
@end
#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
@implementation NSAnimationContext (GTMNSAnimationDurationAdditions)
- (void)gtm_setDuration:(NSTimeInterval)duration
eventMask:(NSUInteger)eventMask {
[self setDuration:GTMModifyDurationBasedOnCurrentState(duration,
eventMask)];
}
@end
@implementation CAAnimation (GTMCAAnimationDurationAdditions)
- (void)gtm_setDuration:(CFTimeInterval)duration
eventMask:(NSUInteger)eventMask {
[self setDuration:GTMModifyDurationBasedOnCurrentState(duration,
eventMask)];
}
@end
#endif // MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
|
