blob: a78a43dbd81e78e2e383a04192a31559e2876975 (
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
|
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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/. */
#include "DisplayItemScrollClip.h"
#include "DisplayItemClip.h"
namespace mozilla {
/* static */ bool
DisplayItemScrollClip::IsAncestor(const DisplayItemScrollClip* aAncestor,
const DisplayItemScrollClip* aDescendant)
{
if (!aAncestor) {
// null means root.
return true;
}
for (const DisplayItemScrollClip* sc = aDescendant; sc; sc = sc->mParent) {
if (sc == aAncestor) {
return true;
}
}
return false;
}
bool
DisplayItemScrollClip::HasRoundedCorners() const
{
for (const DisplayItemScrollClip* scrollClip = this;
scrollClip; scrollClip = scrollClip->mParent) {
if (scrollClip->mClip->GetRoundedRectCount() > 0) {
return true;
}
}
return false;
}
/* static */ nsCString
DisplayItemScrollClip::ToString(const DisplayItemScrollClip* aScrollClip)
{
nsAutoCString str;
for (const DisplayItemScrollClip* scrollClip = aScrollClip;
scrollClip; scrollClip = scrollClip->mParent) {
str.AppendPrintf("<%s>%s", scrollClip->mClip ? scrollClip->mClip->ToString().get() : "null",
scrollClip->mIsAsyncScrollable ? " [async-scrollable]" : "");
if (scrollClip->mParent) {
str.Append(", ");
}
}
return str;
}
} // namespace mozilla
|
