layout/generic/FrameChildList.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "mozilla/layout/FrameChildList.h"
   8
   9 #include "nsIFrame.h"
  10
  11 namespace mozilla {
  12 namespace layout {
  13
  14 FrameChildListIterator::FrameChildListIterator(const nsIFrame* aFrame)
  15   : FrameChildListArrayIterator(mLists)
  16 {
  17   aFrame->GetChildLists(&mLists);
  18 #ifdef DEBUG
  19   // Make sure that there are no duplicate list IDs.
  20   FrameChildListIDs ids;
  21   uint32_t count = mLists.Length();
  22   for (uint32_t i = 0; i < count; ++i) {
  23     NS_ASSERTION(!ids.Contains(mLists[i].mID),
  24                  "Duplicate item found!");
  25     ids |= mLists[i].mID;
  26   }
  27 #endif
  28 }
  29
  30 #ifdef DEBUG_FRAME_DUMP
  31 const char*
  32 ChildListName(FrameChildListID aListID)
  33 {
  34   switch (aListID) {
  35     case kPrincipalList: return "";
  36     case kPopupList: return "PopupList";
  37     case kCaptionList: return "CaptionList";
  38     case kColGroupList: return "ColGroupList";
  39     case kSelectPopupList: return "SelectPopupList";
  40     case kAbsoluteList: return "AbsoluteList";
  41     case kFixedList: return "FixedList";
  42     case kOverflowList: return "OverflowList";
  43     case kOverflowContainersList: return "OverflowContainersList";
  44     case kExcessOverflowContainersList: return "ExcessOverflowContainersList";
  45     case kOverflowOutOfFlowList: return "OverflowOutOfFlowList";
  46     case kFloatList: return "FloatList";
  47     case kBulletList: return "BulletList";
  48     case kPushedFloatsList: return "PushedFloatsList";
  49     case kNoReflowPrincipalList: return "NoReflowPrincipalList";
  50   }
  51
  52   NS_NOTREACHED("unknown list");
  53   return "UNKNOWN_FRAME_CHILD_LIST";
  54 }
  55 #endif
  56
  57 } // namespace layout
  58 } // namespace mozilla