Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
       2             :  * This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #include "DisplayItemClipChain.h"
       7             : 
       8             : namespace mozilla {
       9             : 
      10             : /* static */ const DisplayItemClip*
      11        4750 : DisplayItemClipChain::ClipForASR(const DisplayItemClipChain* aClipChain, const ActiveScrolledRoot* aASR)
      12             : {
      13        4756 :   while (aClipChain && !ActiveScrolledRoot::IsAncestor(aClipChain->mASR, aASR)) {
      14           6 :     aClipChain = aClipChain->mParent;
      15             :   }
      16        4744 :   return (aClipChain && aClipChain->mASR == aASR) ? &aClipChain->mClip : nullptr;
      17             : }
      18             : 
      19             : bool
      20        1518 : DisplayItemClipChain::Equal(const DisplayItemClipChain* aClip1, const DisplayItemClipChain* aClip2)
      21             : {
      22        1518 :   if (aClip1 == aClip2) {
      23        1518 :     return true;
      24             :   }
      25             : 
      26           0 :   if (!aClip1 || !aClip2) {
      27           0 :     return false;
      28             :   }
      29             : 
      30           0 :   return aClip1->mASR == aClip2->mASR &&
      31           0 :          aClip1->mClip == aClip2->mClip &&
      32           0 :          Equal(aClip1->mParent, aClip2->mParent);
      33             : }
      34             : 
      35             : /* static */ nsCString
      36           0 : DisplayItemClipChain::ToString(const DisplayItemClipChain* aClipChain)
      37             : {
      38           0 :   nsAutoCString str;
      39           0 :   for (auto* sc = aClipChain; sc; sc = sc->mParent) {
      40           0 :     if (sc->mASR) {
      41           0 :       str.AppendPrintf("<%s> [0x%p]", sc->mClip.ToString().get(), sc->mASR->mScrollableFrame);
      42             : 
      43             :     } else {
      44           0 :       str.AppendPrintf("<%s> [root asr]", sc->mClip.ToString().get());
      45             :     }
      46           0 :     if (sc->mParent) {
      47           0 :       str.Append(", ");
      48             :     }
      49             :   }
      50           0 :   return str;
      51             : }
      52             : 
      53             : bool
      54           0 : DisplayItemClipChain::HasRoundedCorners() const
      55             : {
      56           0 :   return mClip.GetRoundedRectCount() > 0 || (mParent && mParent->HasRoundedCorners());
      57             : }
      58             : 
      59             : } // namespace mozilla