layout/base/PresShellInlines.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   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 #ifndef mozilla_PresShellInlines_h
   8 #define mozilla_PresShellInlines_h
   9
  10 #include "nsDocShell.h"
  11 #include "GeckoProfiler.h"
  12 #include "mozilla/PresShell.h"
  13 #include "mozilla/dom/Document.h"
  14 #include "mozilla/dom/Element.h"
  15
  16 namespace mozilla {
  17
  18 void PresShell::SetNeedLayoutFlush() {
  19   mNeedLayoutFlush = true;
  20   if (dom::Document* doc = mDocument->GetDisplayDocument()) {
  21     if (PresShell* presShell = doc->GetPresShell()) {
  22       presShell->mNeedLayoutFlush = true;
  23     }
  24   }
  25
  26   if (!mReflowCause) {
  27     mReflowCause = profiler_capture_backtrace();
  28   }
  29 }
  30
  31 void PresShell::SetNeedStyleFlush() {
  32   mNeedStyleFlush = true;
  33   PROFILER_MARKER_UNTYPED(
  34       "SetNeedStyleFlush", LAYOUT,
  35       MarkerOptions(MarkerStack::Capture(StackCaptureOptions::NonNative),
  36                     mPresContext ? MarkerInnerWindowIdFromDocShell(
  37                                        mPresContext->GetDocShell())
  38                                  : MarkerInnerWindowId::NoId()));
  39
  40   if (dom::Document* doc = mDocument->GetDisplayDocument()) {
  41     if (PresShell* presShell = doc->GetPresShell()) {
  42       presShell->mNeedStyleFlush = true;
  43     }
  44   }
  45
  46   if (!mStyleCause) {
  47     mStyleCause = profiler_capture_backtrace();
  48   }
  49 }
  50
  51 void PresShell::EnsureStyleFlush() {
  52   SetNeedStyleFlush();
  53   ObserveStyleFlushes();
  54 }
  55
  56 void PresShell::EnsureLayoutFlush() {
  57   SetNeedLayoutFlush();
  58   ObserveStyleFlushes();
  59 }
  60
  61 void PresShell::SetNeedThrottledAnimationFlush() {
  62   mNeedThrottledAnimationFlush = true;
  63   if (dom::Document* doc = mDocument->GetDisplayDocument()) {
  64     if (PresShell* presShell = doc->GetPresShell()) {
  65       presShell->mNeedThrottledAnimationFlush = true;
  66     }
  67   }
  68 }
  69
  70 ServoStyleSet* PresShell::StyleSet() const {
  71   return mDocument->StyleSetForPresShell();
  72 }
  73
  74 /* static */
  75 inline void PresShell::EventHandler::OnPresShellDestroy(Document* aDocument) {
  76   if (sLastKeyDownEventTargetElement &&
  77       sLastKeyDownEventTargetElement->OwnerDoc() == aDocument) {
  78     sLastKeyDownEventTargetElement = nullptr;
  79   }
  80 }
  81
  82 }  // namespace mozilla
  83
  84 #endif  // mozilla_PresShellInlines_h