LCOV - app.info - layout/base/nsLayoutDebugger.cpp

LCOV - code coverage report
| Current view: | directory - layout/base - nsLayoutDebugger.cpp (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 82 | 0 | 0.0 %
| Date: | 2012-04-21 | Functions: | 16 | 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 Communicator client 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                 :  *
          24                 :  * Alternatively, the contents of this file may be used under the terms of
          25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
          26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          28                 :  * of those above. If you wish to allow use of your version of this file only
          29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          30                 :  * use your version of this file under the terms of the MPL, indicate your
          31                 :  * decision by deleting the provisions above and replace them with the notice
          32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          33                 :  * the provisions above, a recipient may use your version of this file under
          34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          35                 :  *
          36                 :  * ***** END LICENSE BLOCK ***** */
          37                 :
          38                 : /*
          39                 :  * implementation of interface that allows layout-debug extension access
          40                 :  * to some internals of layout
          41                 :  */
          42                 :
          43                 : #include "nsILayoutDebugger.h"
          44                 : #include "nsFrame.h"
          45                 : #include "nsDisplayList.h"
          46                 : #include "FrameLayerBuilder.h"
          47                 :
          48                 : #include <stdio.h>
          49                 :
          50                 : using namespace mozilla::layers;
          51                 :
          52                 : #ifdef NS_DEBUG
          53                 : class nsLayoutDebugger : public nsILayoutDebugger {
          54                 : public:
          55                 :   nsLayoutDebugger();
          56                 :   virtual ~nsLayoutDebugger();
          57                 :
          58                 :   NS_DECL_ISUPPORTS
          59                 :
          60                 :   NS_IMETHOD SetShowFrameBorders(bool aEnable);
          61                 :
          62                 :   NS_IMETHOD GetShowFrameBorders(bool* aResult);
          63                 :
          64                 :   NS_IMETHOD SetShowEventTargetFrameBorder(bool aEnable);
          65                 :
          66                 :   NS_IMETHOD GetShowEventTargetFrameBorder(bool* aResult);
          67                 :
          68                 :   NS_IMETHOD GetContentSize(nsIDocument* aDocument,
          69                 :                             PRInt32* aSizeInBytesResult);
          70                 :
          71                 :   NS_IMETHOD GetFrameSize(nsIPresShell* aPresentation,
          72                 :                           PRInt32* aSizeInBytesResult);
          73                 :
          74                 :   NS_IMETHOD GetStyleSize(nsIPresShell* aPresentation,
          75                 :                           PRInt32* aSizeInBytesResult);
          76                 :
          77                 : };
          78                 :
          79                 : nsresult
          80               0 : NS_NewLayoutDebugger(nsILayoutDebugger** aResult)
          81                 : {
          82               0 :   NS_PRECONDITION(aResult, "null OUT ptr");
          83               0 :   if (!aResult) {
          84               0 :     return NS_ERROR_NULL_POINTER;
          85                 :   }
          86               0 :   nsLayoutDebugger* it = new nsLayoutDebugger();
          87               0 :   return it->QueryInterface(NS_GET_IID(nsILayoutDebugger), (void**)aResult);
          88                 : }
          89                 :
          90               0 : nsLayoutDebugger::nsLayoutDebugger()
          91                 : {
          92               0 : }
          93                 :
          94               0 : nsLayoutDebugger::~nsLayoutDebugger()
          95                 : {
          96               0 : }
          97                 :
          98               0 : NS_IMPL_ISUPPORTS1(nsLayoutDebugger, nsILayoutDebugger)
          99                 :
         100                 : NS_IMETHODIMP
         101               0 : nsLayoutDebugger::SetShowFrameBorders(bool aEnable)
         102                 : {
         103               0 :   nsFrame::ShowFrameBorders(aEnable);
         104               0 :   return NS_OK;
         105                 : }
         106                 :
         107                 : NS_IMETHODIMP
         108               0 : nsLayoutDebugger::GetShowFrameBorders(bool* aResult)
         109                 : {
         110               0 :   *aResult = nsFrame::GetShowFrameBorders();
         111               0 :   return NS_OK;
         112                 : }
         113                 :
         114                 : NS_IMETHODIMP
         115               0 : nsLayoutDebugger::SetShowEventTargetFrameBorder(bool aEnable)
         116                 : {
         117               0 :   nsFrame::ShowEventTargetFrameBorder(aEnable);
         118               0 :   return NS_OK;
         119                 : }
         120                 :
         121                 : NS_IMETHODIMP
         122               0 : nsLayoutDebugger::GetShowEventTargetFrameBorder(bool* aResult)
         123                 : {
         124               0 :   *aResult = nsFrame::GetShowEventTargetFrameBorder();
         125               0 :   return NS_OK;
         126                 : }
         127                 :
         128                 : NS_IMETHODIMP
         129               0 : nsLayoutDebugger::GetContentSize(nsIDocument* aDocument,
         130                 :                                  PRInt32* aSizeInBytesResult)
         131                 : {
         132               0 :   *aSizeInBytesResult = 0;
         133               0 :   return NS_ERROR_FAILURE;
         134                 : }
         135                 :
         136                 : NS_IMETHODIMP
         137               0 : nsLayoutDebugger::GetFrameSize(nsIPresShell* aPresentation,
         138                 :                                PRInt32* aSizeInBytesResult)
         139                 : {
         140               0 :   *aSizeInBytesResult = 0;
         141               0 :   return NS_ERROR_FAILURE;
         142                 : }
         143                 :
         144                 : NS_IMETHODIMP
         145               0 : nsLayoutDebugger::GetStyleSize(nsIPresShell* aPresentation,
         146                 :                                PRInt32* aSizeInBytesResult)
         147                 : {
         148               0 :   *aSizeInBytesResult = 0;
         149               0 :   return NS_ERROR_FAILURE;
         150                 : }
         151                 : #endif
         152                 :
         153                 : #ifdef MOZ_DUMP_PAINTING
         154                 : static void
         155               0 : PrintDisplayListTo(nsDisplayListBuilder* aBuilder, const nsDisplayList& aList,
         156                 :                    FILE* aOutput)
         157                 : {
         158               0 :   fprintf(aOutput, "<ul>");
         159                 :
         160               0 :   for (nsDisplayItem* i = aList.GetBottom(); i != nsnull; i = i->GetAbove()) {
         161                 : #ifdef DEBUG
         162               0 :     if (aList.DidComputeVisibility() && i->GetVisibleRect().IsEmpty())
         163               0 :       continue;
         164                 : #endif
         165               0 :     fprintf(aOutput, "<li>");
         166               0 :     nsIFrame* f = i->GetUnderlyingFrame();
         167               0 :     nsAutoString fName;
         168                 : #ifdef DEBUG
         169               0 :     if (f) {
         170               0 :       f->GetFrameName(fName);
         171                 :     }
         172                 : #endif
         173               0 :     nsRect rect = i->GetBounds(aBuilder);
         174               0 :     switch (i->GetType()) {
         175                 :       case nsDisplayItem::TYPE_CLIP:
         176                 :       case nsDisplayItem::TYPE_CLIP_ROUNDED_RECT: {
         177               0 :         nsDisplayClip* c = static_cast<nsDisplayClip*>(i);
         178               0 :         rect = c->GetClipRect();
         179               0 :         break;
         180                 :       }
         181                 :       default:
         182               0 :         break;
         183                 :     }
         184                 :     nscolor color;
         185               0 :     nsRect vis = i->GetVisibleRect();
         186               0 :     nsDisplayList* list = i->GetList();
         187               0 :     nsRegion opaque;
         188               0 :     if (i->GetType() == nsDisplayItem::TYPE_TRANSFORM) {
         189               0 :         nsDisplayTransform* t = static_cast<nsDisplayTransform*>(i);
         190               0 :         list = t->GetStoredList()->GetList();
         191                 :     }
         192                 : #ifdef DEBUG
         193               0 :     if (!list || list->DidComputeVisibility()) {
         194               0 :       opaque = i->GetOpaqueRegion(aBuilder);
         195                 :     }
         196                 : #endif
         197               0 :     if (i->Painted()) {
         198               0 :       nsCString string(i->Name());
         199               0 :       string.Append("-");
         200               0 :       string.AppendInt((PRUint64)i);
         201               0 :       fprintf(aOutput, "<a href=\"javascript:ViewImage('%s')\">", string.BeginReading());
         202                 :     }
         203                 :     fprintf(aOutput, "%s %p(%s) (%d,%d,%d,%d)(%d,%d,%d,%d)%s%s",
         204               0 :             i->Name(), (void*)f, NS_ConvertUTF16toUTF8(fName).get(),
         205                 :             rect.x, rect.y, rect.width, rect.height,
         206                 :             vis.x, vis.y, vis.width, vis.height,
         207               0 :             opaque.IsEmpty() ? "" : " opaque",
         208               0 :             i->IsUniform(aBuilder, &color) ? " uniform" : "");
         209               0 :     if (i->Painted()) {
         210               0 :       fprintf(aOutput, "</a>");
         211                 :     }
         212               0 :     if (f) {
         213               0 :       PRUint32 key = i->GetPerFrameKey();
         214               0 :       Layer* layer = aBuilder->LayerBuilder()->GetOldLayerFor(f, key);
         215               0 :       if (layer) {
         216               0 :         fprintf(aOutput, " <a href=\"#%p\">layer=%p</a>", layer, layer);
         217                 :       }
         218                 :     }
         219               0 :     if (i->GetType() == nsDisplayItem::TYPE_SVG_EFFECTS) {
         220               0 :       (static_cast<nsDisplaySVGEffects*>(i))->PrintEffects(aOutput);
         221                 :     }
         222               0 :     fputc('\n', aOutput);
         223               0 :     if (list) {
         224               0 :       PrintDisplayListTo(aBuilder, *list, aOutput);
         225                 :     }
         226               0 :     fprintf(aOutput, "</li>");
         227                 :   }
         228                 :
         229               0 :   fprintf(aOutput, "</ul>");
         230               0 : }
         231                 :
         232                 : void
         233               0 : nsFrame::PrintDisplayList(nsDisplayListBuilder* aBuilder,
         234                 :                           const nsDisplayList& aList,
         235                 :                           FILE* aFile)
         236                 : {
         237               0 :   PrintDisplayListTo(aBuilder, aList, aFile);
         238               0 : }
         239                 :
         240                 : #endif

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