mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-10 20:05:49 +00:00
b9c74f8bdc
MozReview-Commit-ID: K9mg86VgK10 --HG-- extra : rebase_source : 3b234829ec7dbe0ad7dff8ca55f813b082b21b0c
60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
/* -*- 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 "DisplayItemClipChain.h"
|
|
|
|
namespace mozilla {
|
|
|
|
/* static */ const DisplayItemClip*
|
|
DisplayItemClipChain::ClipForASR(const DisplayItemClipChain* aClipChain, const ActiveScrolledRoot* aASR)
|
|
{
|
|
while (aClipChain && !ActiveScrolledRoot::IsAncestor(aClipChain->mASR, aASR)) {
|
|
aClipChain = aClipChain->mParent;
|
|
}
|
|
return (aClipChain && aClipChain->mASR == aASR) ? &aClipChain->mClip : nullptr;
|
|
}
|
|
|
|
bool
|
|
DisplayItemClipChain::Equal(const DisplayItemClipChain* aClip1, const DisplayItemClipChain* aClip2)
|
|
{
|
|
if (aClip1 == aClip2) {
|
|
return true;
|
|
}
|
|
|
|
if (!aClip1 || !aClip2) {
|
|
return false;
|
|
}
|
|
|
|
return aClip1->mASR == aClip2->mASR &&
|
|
aClip1->mClip == aClip2->mClip &&
|
|
Equal(aClip1->mParent, aClip2->mParent);
|
|
}
|
|
|
|
/* static */ nsCString
|
|
DisplayItemClipChain::ToString(const DisplayItemClipChain* aClipChain)
|
|
{
|
|
nsAutoCString str;
|
|
for (auto* sc = aClipChain; sc; sc = sc->mParent) {
|
|
if (sc->mASR) {
|
|
str.AppendPrintf("<%s> [0x%p]", sc->mClip.ToString().get(), sc->mASR->mScrollableFrame);
|
|
|
|
} else {
|
|
str.AppendPrintf("<%s> [root asr]", sc->mClip.ToString().get());
|
|
}
|
|
if (sc->mParent) {
|
|
str.Append(", ");
|
|
}
|
|
}
|
|
return str;
|
|
}
|
|
|
|
bool
|
|
DisplayItemClipChain::HasRoundedCorners() const
|
|
{
|
|
return mClip.GetRoundedRectCount() > 0 || (mParent && mParent->HasRoundedCorners());
|
|
}
|
|
|
|
} // namespace mozilla
|