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 
SetNeedLayoutFlush()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 
SetNeedStyleFlush()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 
EnsureStyleFlush()55 void PresShell::EnsureStyleFlush() {
56   SetNeedStyleFlush();
57   ObserveStyleFlushes();
58 }
59 
SetNeedThrottledAnimationFlush()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 
StyleSet()69 ServoStyleSet* PresShell::StyleSet() const {
70   return mDocument->StyleSetForPresShellOrMediaQueryEvaluation();
71 }
72 
73 /* static */
OnPresShellDestroy(Document * aDocument)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
84