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   mLayoutTelemetry.IncReqsPerFlush(FlushType::Layout);
  31 }
  32
  33 void PresShell::SetNeedStyleFlush() {
  34   mNeedStyleFlush = true;
  35   PROFILER_MARKER_UNTYPED(
  36       "SetNeedStyleFlush", LAYOUT,
  37       MarkerOptions(MarkerStack::Capture(StackCaptureOptions::NonNative),
  38                     mPresContext ? MarkerInnerWindowIdFromDocShell(
  39                                        mPresContext->GetDocShell())
  40                                  : MarkerInnerWindowId::NoId()));
  41
  42   if (dom::Document* doc = mDocument->GetDisplayDocument()) {
  43     if (PresShell* presShell = doc->GetPresShell()) {
  44       presShell->mNeedStyleFlush = true;
  45     }
  46   }
  47
  48   if (!mStyleCause) {
  49     mStyleCause = profiler_capture_backtrace();
  50   }
  51
  52   mLayoutTelemetry.IncReqsPerFlush(FlushType::Layout);
  53 }
  54
  55 void PresShell::EnsureStyleFlush() {
  56   SetNeedStyleFlush();
  57   ObserveStyleFlushes();
  58 }
  59
  60 void PresShell::SetNeedThrottledAnimationFlush() {
  61   mNeedThrottledAnimationFlush = true;
  62   if (dom::Document* doc = mDocument->GetDisplayDocument()) {
  63     if (PresShell* presShell = doc->GetPresShell()) {
  64       presShell->mNeedThrottledAnimationFlush = true;
  65     }
  66   }
  67 }
  68
  69 ServoStyleSet* PresShell::StyleSet() const {
  70   return mDocument->StyleSetForPresShellOrMediaQueryEvaluation();
  71 }
  72
  73 /* static */
  74 inline void PresShell::EventHandler::OnPresShellDestroy(Document* aDocument) {
  75   if (sLastKeyDownEventTargetElement &&
  76       sLastKeyDownEventTargetElement->OwnerDoc() == aDocument) {
  77     sLastKeyDownEventTargetElement = nullptr;
  78   }
  79 }
  80
  81 }  // namespace mozilla
  82
  83 #endif  // mozilla_PresShellInlines_h