layout/build/nsLayoutStatics.cpp

   1 /* ***** BEGIN LICENSE BLOCK *****
   2  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   3  *
   4  * The contents of this file are subject to the Mozilla Public License Version
   5  * 1.1 (the "License"); you may not use this file except in compliance with
   6  * the License. You may obtain a copy of the License at
   7  * http://www.mozilla.org/MPL/
   8  *
   9  * Software distributed under the License is distributed on an "AS IS" basis,
  10  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  11  * for the specific language governing rights and limitations under the
  12  * License.
  13  *
  14  * The Original Code is the Mozilla platform.
  15  *
  16  * The Initial Developer of the Original Code is
  17  * Benjamin Smedberg <benjamin@smedbergs.us>.
  18  *
  19  * Portions created by the Initial Developer are Copyright (C) 2006
  20  * the Mozilla Foundation <http://www.mozilla.org/>. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *
  24  * Alternatively, the contents of this file may be used under the terms of
  25  * either the GNU General Public License Version 2 or later (the "GPL"), or
  26  * 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 #include "nsLayoutStatics.h"
  39 #include "nscore.h"
  40
  41 #include "nsAttrValue.h"
  42 #include "nsAutoCopyListener.h"
  43 #include "nsColorNames.h"
  44 #include "nsComputedDOMStyle.h"
  45 #include "nsContentDLF.h"
  46 #include "nsContentUtils.h"
  47 #include "nsCSSAnonBoxes.h"
  48 #include "nsCSSFrameConstructor.h"
  49 #include "nsCSSKeywords.h"
  50 #include "nsCSSLoader.h"
  51 #include "nsCSSProps.h"
  52 #include "nsCSSPseudoClasses.h"
  53 #include "nsCSSPseudoElements.h"
  54 #include "nsCSSRendering.h"
  55 #include "nsCSSScanner.h"
  56 #include "nsICSSStyleSheet.h"
  57 #include "nsDOMAttribute.h"
  58 #include "nsDOMClassInfo.h"
  59 #include "nsDOMScriptObjectFactory.h"
  60 #include "nsEventListenerManager.h"
  61 #include "nsFrame.h"
  62 #include "nsGenericElement.h"  // for nsDOMEventRTTearoff
  63 #include "nsStyledElement.h"
  64 #include "nsGlobalWindow.h"
  65 #include "nsGkAtoms.h"
  66 #include "nsImageFrame.h"
  67 #include "nsLayoutStylesheetCache.h"
  68 #include "nsNodeInfo.h"
  69 #include "nsRange.h"
  70 #include "nsRepeatService.h"
  71 #include "nsSpaceManager.h"
  72 #include "nsSprocketLayout.h"
  73 #include "nsStackLayout.h"
  74 #include "nsStyleSet.h"
  75 #include "nsTextControlFrame.h"
  76 #include "nsXBLWindowKeyHandler.h"
  77 #include "txMozillaXSLTProcessor.h"
  78 #include "nsDOMStorage.h"
  79 #include "nsCellMap.h"
  80 #include "nsTextFrameTextRunCache.h"
  81 #include "nsCCUncollectableMarker.h"
  82 #include "nsTextFragment.h"
  83 #include "nsCSSRuleProcessor.h"
  84 #include "nsXMLHttpRequest.h"
  85 #include "nsIFocusEventSuppressor.h"
  86
  87 #ifdef MOZ_XUL
  88 #include "nsXULPopupManager.h"
  89 #include "nsXULContentUtils.h"
  90 #include "nsXULElement.h"
  91 #include "nsXULPrototypeCache.h"
  92 #include "nsXULTooltipListener.h"
  93
  94 #ifndef MOZ_NO_INSPECTOR_APIS
  95 #include "inDOMView.h"
  96 #endif
  97 #endif
  98
  99 #ifdef MOZ_MATHML
 100 #include "nsMathMLAtoms.h"
 101 #include "nsMathMLOperators.h"
 102 #endif
 103
 104 #ifdef MOZ_SVG
 105 PRBool NS_SVGEnabled();
 106 #endif
 107
 108 #ifndef MOZILLA_PLAINTEXT_EDITOR_ONLY
 109 #include "nsHTMLEditor.h"
 110 #include "nsTextServicesDocument.h"
 111 #endif
 112
 113 #ifdef MOZ_MEDIA
 114 #include "nsVideoDecoder.h"
 115 #endif
 116
 117 #ifdef MOZ_OGG
 118 #include "nsAudioStream.h"
 119 #include "nsVideoDecoder.h"
 120 #endif
 121
 122 #include "nsError.h"
 123 #include "nsTraceRefcnt.h"
 124
 125 #include "nsCycleCollector.h"
 126
 127 static nsrefcnt sLayoutStaticRefcnt;
 128
 129 nsresult
 130 nsLayoutStatics::Initialize()
 131 {
 132   NS_ASSERTION(sLayoutStaticRefcnt == 0,
 133                "nsLayoutStatics isn't zero!");
 134
 135   sLayoutStaticRefcnt = 1;
 136   NS_LOG_ADDREF(&sLayoutStaticRefcnt, sLayoutStaticRefcnt,
 137                 "nsLayoutStatics", 1);
 138
 139   nsresult rv;
 140
 141   // Register all of our atoms once
 142   nsCSSAnonBoxes::AddRefAtoms();
 143   nsCSSPseudoClasses::AddRefAtoms();
 144   nsCSSPseudoElements::AddRefAtoms();
 145   nsCSSKeywords::AddRefTable();
 146   nsCSSProps::AddRefTable();
 147   nsColorNames::AddRefTable();
 148   nsGkAtoms::AddRefAtoms();
 149
 150   nsDOMScriptObjectFactory::Startup();
 151   rv = nsContentUtils::Init();
 152   if (NS_FAILED(rv)) {
 153     NS_ERROR("Could not initialize nsContentUtils");
 154     return rv;
 155   }
 156
 157   rv = nsAttrValue::Init();
 158   if (NS_FAILED(rv)) {
 159     NS_ERROR("Could not initialize nsAttrValue");
 160     return rv;
 161   }
 162
 163   rv = nsTextFragment::Init();
 164   if (NS_FAILED(rv)) {
 165     NS_ERROR("Could not initialize nsTextFragment");
 166     return rv;
 167   }
 168
 169   rv = nsCellMap::Init();
 170   if (NS_FAILED(rv)) {
 171     NS_ERROR("Could not initialize nsCellMap");
 172     return rv;
 173   }
 174
 175   rv = nsCSSRendering::Init();
 176   if (NS_FAILED(rv)) {
 177     NS_ERROR("Could not initialize nsCSSRendering");
 178     return rv;
 179   }
 180
 181   rv = nsTextFrameTextRunCache::Init();
 182   if (NS_FAILED(rv)) {
 183     NS_ERROR("Could not initialize textframe textrun cache");
 184     return rv;
 185   }
 186
 187 #ifdef MOZ_XUL
 188   rv = nsXULContentUtils::Init();
 189   if (NS_FAILED(rv)) {
 190     NS_ERROR("Could not initialize nsXULContentUtils");
 191     return rv;
 192   }
 193
 194 #ifndef MOZ_NO_INSPECTOR_APIS
 195   inDOMView::InitAtoms();
 196 #endif
 197
 198 #endif
 199
 200 #ifdef MOZ_MATHML
 201   nsMathMLOperators::AddRefTable();
 202 #endif
 203
 204 #ifdef MOZ_SVG
 205   if (NS_SVGEnabled())
 206     nsContentDLF::RegisterSVG();
 207 #endif
 208
 209 #ifndef MOZILLA_PLAINTEXT_EDITOR_ONLY
 210   nsEditProperty::RegisterAtoms();
 211   nsTextServicesDocument::RegisterAtoms();
 212 #endif
 213
 214 #ifdef DEBUG
 215   nsFrame::DisplayReflowStartup();
 216 #endif
 217   nsDOMAttribute::Initialize();
 218
 219   rv = txMozillaXSLTProcessor::Startup();
 220   if (NS_FAILED(rv)) {
 221     NS_ERROR("Could not initialize txMozillaXSLTProcessor");
 222     return rv;
 223   }
 224
 225   rv = nsDOMStorageManager::Initialize();
 226   if (NS_FAILED(rv)) {
 227     NS_ERROR("Could not initialize nsDOMStorageManager");
 228     return rv;
 229   }
 230
 231 #ifndef DEBUG_CC
 232   rv = nsCCUncollectableMarker::Init();
 233   if (NS_FAILED(rv)) {
 234     NS_ERROR("Could not initialize nsCCUncollectableMarker");
 235     return rv;
 236   }
 237 #endif
 238
 239 #ifdef MOZ_XUL
 240   rv = nsXULPopupManager::Init();
 241   if (NS_FAILED(rv)) {
 242     NS_ERROR("Could not initialize nsXULPopupManager");
 243     return rv;
 244   }
 245 #endif
 246
 247 #ifdef MOZ_MEDIA
 248   rv = nsVideoDecoder::InitLogger();
 249   if (NS_FAILED(rv)) {
 250     NS_ERROR("Could not initialize nsVideoDecoder");
 251     return rv;
 252   }
 253
 254 #endif
 255
 256 #ifdef MOZ_OGG
 257   rv = nsAudioStream::InitLibrary();
 258   if (NS_FAILED(rv)) {
 259     NS_ERROR("Could not initialize nsAudioStream");
 260     return rv;
 261   }
 262 #endif
 263
 264   return NS_OK;
 265 }
 266
 267 void
 268 nsLayoutStatics::Shutdown()
 269 {
 270 #ifdef MOZ_XUL
 271   nsXULPopupManager::Shutdown();
 272 #endif
 273   nsDOMStorageManager::Shutdown();
 274   txMozillaXSLTProcessor::Shutdown();
 275   nsDOMAttribute::Shutdown();
 276   nsDOMEventRTTearoff::Shutdown();
 277   nsEventListenerManager::Shutdown();
 278   nsContentList::Shutdown();
 279   nsComputedDOMStyle::Shutdown();
 280   CSSLoaderImpl::Shutdown();
 281   nsCSSRuleProcessor::FreeSystemMetrics();
 282   nsTextFrameTextRunCache::Shutdown();
 283   nsCSSRendering::Shutdown();
 284 #ifdef DEBUG
 285   nsFrame::DisplayReflowShutdown();
 286 #endif
 287   nsCellMap::Shutdown();
 288
 289   // Release all of our atoms
 290   nsColorNames::ReleaseTable();
 291   nsCSSProps::ReleaseTable();
 292   nsCSSKeywords::ReleaseTable();
 293   nsRepeatService::Shutdown();
 294   nsStackLayout::Shutdown();
 295   nsBox::Shutdown();
 296
 297 #ifdef MOZ_XUL
 298   nsXULContentUtils::Finish();
 299   nsXULElement::ReleaseGlobals();
 300   nsXULPrototypeCache::ReleaseGlobals();
 301   nsXULPrototypeElement::ReleaseGlobals();
 302   nsSprocketLayout::Shutdown();
 303 #endif
 304
 305 #ifdef MOZ_MATHML
 306   nsMathMLOperators::ReleaseTable();
 307 #endif
 308
 309   nsCSSFrameConstructor::ReleaseGlobals();
 310   nsSpaceManager::Shutdown();
 311   nsImageFrame::ReleaseGlobals();
 312
 313   nsCSSScanner::ReleaseGlobals();
 314
 315   NS_IF_RELEASE(nsContentDLF::gUAStyleSheet);
 316   NS_IF_RELEASE(nsRuleNode::gLangService);
 317   nsStyledElement::Shutdown();
 318
 319   nsTextFragment::Shutdown();
 320
 321   nsAttrValue::Shutdown();
 322   nsContentUtils::Shutdown();
 323   nsNodeInfo::ClearCache();
 324   nsLayoutStylesheetCache::Shutdown();
 325   NS_NameSpaceManagerShutdown();
 326   nsStyleSet::FreeGlobals();
 327
 328   nsGlobalWindow::ShutDown();
 329   nsDOMClassInfo::ShutDown();
 330   nsTextControlFrame::ShutDown();
 331   nsXBLWindowKeyHandler::ShutDown();
 332   nsAutoCopyListener::Shutdown();
 333
 334 #ifndef MOZILLA_PLAINTEXT_EDITOR_ONLY
 335   nsHTMLEditor::Shutdown();
 336   nsTextServicesDocument::Shutdown();
 337 #endif
 338
 339   NS_ShutdownFocusSuppressor();
 340
 341 #ifdef MOZ_OGG
 342   nsAudioStream::ShutdownLibrary();
 343 #endif
 344 }
 345
 346 void
 347 nsLayoutStatics::AddRef()
 348 {
 349   NS_ASSERTION(sLayoutStaticRefcnt,
 350                "nsLayoutStatics already dropped to zero!");
 351
 352   ++sLayoutStaticRefcnt;
 353   NS_LOG_ADDREF(&sLayoutStaticRefcnt, sLayoutStaticRefcnt,
 354                 "nsLayoutStatics", 1);
 355 }
 356
 357 void
 358 nsLayoutStatics::Release()
 359 {
 360   --sLayoutStaticRefcnt;
 361   NS_LOG_RELEASE(&sLayoutStaticRefcnt, sLayoutStaticRefcnt,
 362                  "nsLayoutStatics");
 363
 364   if (!sLayoutStaticRefcnt)
 365     Shutdown();
 366 }