LCOV - code coverage report
Current view: directory - layout/xul/base/src - nsPopupSetFrame.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 115 0 0.0 %
Date: 2012-06-02 Functions: 14 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is mozilla.org code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Original Author: David W. Hyatt (hyatt@netscape.com)
      24                 :  *   Pierre Phaneuf <pp@ludusdesign.com>
      25                 :  *   Dean Tessman <dean_tessman@hotmail.com>
      26                 :  *   Mats Palmgren <matspal@gmail.com>
      27                 :  *
      28                 :  * Alternatively, the contents of this file may be used under the terms of
      29                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      30                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      31                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      32                 :  * of those above. If you wish to allow use of your version of this file only
      33                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      34                 :  * use your version of this file under the terms of the MPL, indicate your
      35                 :  * decision by deleting the provisions above and replace them with the notice
      36                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      37                 :  * the provisions above, a recipient may use your version of this file under
      38                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      39                 :  *
      40                 :  * ***** END LICENSE BLOCK ***** */
      41                 : 
      42                 : #include "nsPopupSetFrame.h"
      43                 : #include "nsGkAtoms.h"
      44                 : #include "nsCOMPtr.h"
      45                 : #include "nsIContent.h"
      46                 : #include "nsPresContext.h"
      47                 : #include "nsStyleContext.h"
      48                 : #include "nsBoxLayoutState.h"
      49                 : #include "nsIScrollableFrame.h"
      50                 : #include "nsIRootBox.h"
      51                 : #include "nsMenuPopupFrame.h"
      52                 : 
      53                 : nsIFrame*
      54               0 : NS_NewPopupSetFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
      55                 : {
      56               0 :   return new (aPresShell) nsPopupSetFrame (aPresShell, aContext);
      57                 : }
      58                 : 
      59               0 : NS_IMPL_FRAMEARENA_HELPERS(nsPopupSetFrame)
      60                 : 
      61                 : NS_IMETHODIMP
      62               0 : nsPopupSetFrame::Init(nsIContent*      aContent,
      63                 :                       nsIFrame*        aParent,
      64                 :                       nsIFrame*        aPrevInFlow)
      65                 : {
      66               0 :   nsresult  rv = nsBoxFrame::Init(aContent, aParent, aPrevInFlow);
      67                 : 
      68                 :   // Normally the root box is our grandparent, but in case of wrapping
      69                 :   // it can be our great-grandparent.
      70               0 :   nsIRootBox *rootBox = nsIRootBox::GetRootBox(PresContext()->GetPresShell());
      71               0 :   if (rootBox) {
      72               0 :     rootBox->SetPopupSetFrame(this);
      73                 :   }
      74                 : 
      75               0 :   return rv;
      76                 : }
      77                 : 
      78                 : nsIAtom*
      79               0 : nsPopupSetFrame::GetType() const
      80                 : {
      81               0 :   return nsGkAtoms::popupSetFrame;
      82                 : }
      83                 : 
      84                 : NS_IMETHODIMP
      85               0 : nsPopupSetFrame::AppendFrames(ChildListID     aListID,
      86                 :                               nsFrameList&    aFrameList)
      87                 : {
      88               0 :   if (aListID == kPopupList) {
      89               0 :     AddPopupFrameList(aFrameList);
      90               0 :     return NS_OK;
      91                 :   }
      92               0 :   return nsBoxFrame::AppendFrames(aListID, aFrameList);
      93                 : }
      94                 : 
      95                 : NS_IMETHODIMP
      96               0 : nsPopupSetFrame::RemoveFrame(ChildListID     aListID,
      97                 :                              nsIFrame*       aOldFrame)
      98                 : {
      99               0 :   if (aListID == kPopupList) {
     100               0 :     RemovePopupFrame(aOldFrame);
     101               0 :     return NS_OK;
     102                 :   }
     103               0 :   return nsBoxFrame::RemoveFrame(aListID, aOldFrame);
     104                 : }
     105                 : 
     106                 : NS_IMETHODIMP
     107               0 : nsPopupSetFrame::InsertFrames(ChildListID     aListID,
     108                 :                               nsIFrame*       aPrevFrame,
     109                 :                               nsFrameList&    aFrameList)
     110                 : {
     111               0 :   if (aListID == kPopupList) {
     112               0 :     AddPopupFrameList(aFrameList);
     113               0 :     return NS_OK;
     114                 :   }
     115               0 :   return nsBoxFrame::InsertFrames(aListID, aPrevFrame, aFrameList);
     116                 : }
     117                 : 
     118                 : NS_IMETHODIMP
     119               0 : nsPopupSetFrame::SetInitialChildList(ChildListID     aListID,
     120                 :                                      nsFrameList&    aChildList)
     121                 : {
     122               0 :   if (aListID == kPopupList) {
     123                 :     // XXXmats this asserts because we don't implement
     124                 :     // GetChildList(kPopupList) so nsCSSFrameConstructor
     125                 :     // believes it's empty and calls us multiple times.
     126                 :     //NS_ASSERTION(mPopupList.IsEmpty(),
     127                 :     //             "SetInitialChildList on non-empty child list");
     128               0 :     AddPopupFrameList(aChildList);
     129               0 :     return NS_OK;
     130                 :   }
     131               0 :   return nsBoxFrame::SetInitialChildList(aListID, aChildList);
     132                 : }
     133                 : 
     134                 : void
     135               0 : nsPopupSetFrame::DestroyFrom(nsIFrame* aDestructRoot)
     136                 : {
     137               0 :   mPopupList.DestroyFramesFrom(aDestructRoot);
     138                 : 
     139                 :   // Normally the root box is our grandparent, but in case of wrapping
     140                 :   // it can be our great-grandparent.
     141               0 :   nsIRootBox *rootBox = nsIRootBox::GetRootBox(PresContext()->GetPresShell());
     142               0 :   if (rootBox) {
     143               0 :     rootBox->SetPopupSetFrame(nsnull);
     144                 :   }
     145                 : 
     146               0 :   nsBoxFrame::DestroyFrom(aDestructRoot);
     147               0 : }
     148                 : 
     149                 : NS_IMETHODIMP
     150               0 : nsPopupSetFrame::DoLayout(nsBoxLayoutState& aState)
     151                 : {
     152                 :   // lay us out
     153               0 :   nsresult rv = nsBoxFrame::DoLayout(aState);
     154                 : 
     155                 :   // lay out all of our currently open popups.
     156               0 :   for (nsFrameList::Enumerator e(mPopupList); !e.AtEnd(); e.Next()) {
     157               0 :     nsMenuPopupFrame* popupChild = static_cast<nsMenuPopupFrame*>(e.get());
     158               0 :     popupChild->LayoutPopup(aState, nsnull, false);
     159                 :   }
     160                 : 
     161               0 :   return rv;
     162                 : }
     163                 : 
     164                 : void
     165               0 : nsPopupSetFrame::RemovePopupFrame(nsIFrame* aPopup)
     166                 : {
     167               0 :   NS_PRECONDITION((aPopup->GetStateBits() & NS_FRAME_OUT_OF_FLOW) &&
     168                 :                   aPopup->GetType() == nsGkAtoms::menuPopupFrame,
     169                 :                   "removing wrong type of frame in popupset's ::popupList");
     170                 : 
     171               0 :   mPopupList.DestroyFrame(aPopup);
     172               0 : }
     173                 : 
     174                 : void
     175               0 : nsPopupSetFrame::AddPopupFrameList(nsFrameList& aPopupFrameList)
     176                 : {
     177                 : #ifdef DEBUG
     178               0 :   for (nsFrameList::Enumerator e(aPopupFrameList); !e.AtEnd(); e.Next()) {
     179               0 :     NS_ASSERTION((e.get()->GetStateBits() & NS_FRAME_OUT_OF_FLOW) &&
     180                 :                  e.get()->GetType() == nsGkAtoms::menuPopupFrame,
     181                 :                  "adding wrong type of frame in popupset's ::popupList");
     182                 :   }
     183                 : #endif
     184               0 :   mPopupList.InsertFrames(nsnull, nsnull, aPopupFrameList);
     185               0 : }
     186                 : 
     187                 : #ifdef DEBUG
     188                 : NS_IMETHODIMP
     189               0 : nsPopupSetFrame::List(FILE* out, PRInt32 aIndent) const
     190                 : {
     191               0 :   IndentBy(out, aIndent);
     192               0 :   ListTag(out);
     193                 : #ifdef DEBUG_waterson
     194                 :   fprintf(out, " [parent=%p]", static_cast<void*>(mParent));
     195                 : #endif
     196               0 :   if (HasView()) {
     197               0 :     fprintf(out, " [view=%p]", static_cast<void*>(GetView()));
     198                 :   }
     199               0 :   if (GetNextSibling()) {
     200               0 :     fprintf(out, " next=%p", static_cast<void*>(GetNextSibling()));
     201                 :   }
     202               0 :   if (nsnull != GetPrevContinuation()) {
     203               0 :     fprintf(out, " prev-continuation=%p", static_cast<void*>(GetPrevContinuation()));
     204                 :   }
     205               0 :   if (nsnull != GetNextContinuation()) {
     206               0 :     fprintf(out, " next-continuation=%p", static_cast<void*>(GetNextContinuation()));
     207                 :   }
     208               0 :   fprintf(out, " {%d,%d,%d,%d}", mRect.x, mRect.y, mRect.width, mRect.height);
     209               0 :   if (0 != mState) {
     210               0 :     fprintf(out, " [state=%016llx]", (unsigned long long)mState);
     211                 :   }
     212               0 :   fprintf(out, " [content=%p]", static_cast<void*>(mContent));
     213               0 :   nsPopupSetFrame* f = const_cast<nsPopupSetFrame*>(this);
     214               0 :   if (f->HasOverflowAreas()) {
     215               0 :     nsRect overflowArea = f->GetVisualOverflowRect();
     216                 :     fprintf(out, " [vis-overflow=%d,%d,%d,%d]",
     217                 :             overflowArea.x, overflowArea.y,
     218               0 :             overflowArea.width, overflowArea.height);
     219               0 :     overflowArea = f->GetScrollableOverflowRect();
     220                 :     fprintf(out, " [scr-overflow=%d,%d,%d,%d]",
     221                 :             overflowArea.x, overflowArea.y,
     222               0 :             overflowArea.width, overflowArea.height);
     223                 :   }
     224               0 :   fprintf(out, " [sc=%p]", static_cast<void*>(mStyleContext));
     225               0 :   nsIAtom* pseudoTag = mStyleContext->GetPseudo();
     226               0 :   if (pseudoTag) {
     227               0 :     nsAutoString atomString;
     228               0 :     pseudoTag->ToString(atomString);
     229                 :     fprintf(out, " pst=%s",
     230               0 :             NS_LossyConvertUTF16toASCII(atomString).get());
     231                 :   }
     232                 : 
     233                 :   // Output the children
     234               0 :   bool outputOneList = false;
     235               0 :   ChildListIterator lists(this);
     236               0 :   for (; !lists.IsDone(); lists.Next()) {
     237               0 :     if (outputOneList) {
     238               0 :       IndentBy(out, aIndent);
     239                 :     }
     240               0 :     outputOneList = true;
     241               0 :     fprintf(out, "%s<\n", mozilla::layout::ChildListName(lists.CurrentID()));
     242               0 :     nsFrameList::Enumerator childFrames(lists.CurrentList());
     243               0 :     for (; !childFrames.AtEnd(); childFrames.Next()) {
     244               0 :       nsIFrame* kid = childFrames.get();
     245                 :       // Verify the child frame's parent frame pointer is correct
     246               0 :       NS_ASSERTION(kid->GetParent() == this, "bad parent frame pointer");
     247                 : 
     248                 :       // Have the child frame list
     249               0 :       kid->List(out, aIndent + 1);
     250                 :     }
     251               0 :     IndentBy(out, aIndent);
     252               0 :     fputs(">\n", out);
     253                 :   }
     254                 : 
     255                 :   // XXXmats the above is copy-pasted from nsContainerFrame::List which is lame,
     256                 :   // clean this up after bug 399111 is implemented.
     257                 : 
     258               0 :   if (!mPopupList.IsEmpty()) {
     259               0 :     fputs("<\n", out);
     260               0 :     ++aIndent;
     261               0 :     IndentBy(out, aIndent);
     262               0 :     fputs(mozilla::layout::ChildListName(kPopupList), out);
     263               0 :     fputs(" for ", out);
     264               0 :     ListTag(out);
     265               0 :     fputs(" <\n", out);
     266               0 :     ++aIndent;
     267               0 :     for (nsFrameList::Enumerator e(mPopupList); !e.AtEnd(); e.Next()) {
     268               0 :       e.get()->List(out, aIndent);
     269                 :     }
     270               0 :     --aIndent;
     271               0 :     IndentBy(out, aIndent);
     272               0 :     fputs(">\n", out);
     273               0 :     --aIndent;
     274               0 :     IndentBy(out, aIndent);
     275               0 :     fputs(">\n", out);
     276               0 :     outputOneList = true;
     277                 :   }
     278                 : 
     279               0 :   if (!outputOneList) {
     280               0 :     fputs("<>\n", out);
     281                 :   }
     282                 : 
     283               0 :   return NS_OK;
     284                 : }
     285                 : #endif

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