blob: 1d4c2f92a7fc86ad24f2da6674598696a26d4e48 (
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
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import <Cocoa/Cocoa.h>
#import "content/browser/accessibility/browser_accessibility_mac.h"
#import "content/browser/accessibility/browser_accessibility_cocoa.h"
#include "content/browser/accessibility/browser_accessibility_manager_mac.h"
namespace content {
// Static.
BrowserAccessibility* BrowserAccessibility::Create() {
return new BrowserAccessibilityMac();
}
BrowserAccessibilityMac::BrowserAccessibilityMac()
: browser_accessibility_cocoa_(NULL) {
}
void BrowserAccessibilityMac::OnDataChanged() {
BrowserAccessibility::OnDataChanged();
if (browser_accessibility_cocoa_) {
[browser_accessibility_cocoa_ childrenChanged];
return;
}
// We take ownership of the cocoa obj here.
browser_accessibility_cocoa_ = [[BrowserAccessibilityCocoa alloc]
initWithObject:this];
}
void BrowserAccessibilityMac::NativeReleaseReference() {
// Detach this object from |browser_accessibility_cocoa_| so it
// no longer has a pointer to this object.
[browser_accessibility_cocoa_ detach];
// Now, release it - but at this point, other processes may have a
// reference to the cocoa object.
[browser_accessibility_cocoa_ release];
// Finally, it's safe to delete this since we've detached.
delete this;
}
bool BrowserAccessibilityMac::IsNative() const {
return true;
}
void BrowserAccessibilityMac::RecreateNativeObject() {
if (!browser_accessibility_cocoa_)
return;
// Preserve the children so that recreating the native object doesn't
// end up recreating the whole subtree.
base::scoped_nsobject<NSMutableArray> children;
[browser_accessibility_cocoa_ swapChildren:&children];
[browser_accessibility_cocoa_ detach];
[browser_accessibility_cocoa_ release];
browser_accessibility_cocoa_ = [[BrowserAccessibilityCocoa alloc]
initWithObject:this];
[browser_accessibility_cocoa_ swapChildren:&children];
}
BrowserAccessibilityCocoa* BrowserAccessibility::ToBrowserAccessibilityCocoa() {
return static_cast<BrowserAccessibilityMac*>(this)->
native_view();
}
} // namespace content
|
