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Bug 1689601, try to use bfcache for top level pages, r=peterv

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Differential Revision: https://phabricator.services.mozilla.com/D105238
This commit is contained in:
Olli Pettay
2021-03-02 12:13:20 +00:00
parent d15f9b5cc5
commit 79c168187d
20 changed files with 498 additions and 38 deletions
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59
docshell/base/nsDocShell.cpp
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@@ -1195,6 +1195,64 @@ void nsDocShell::FirePageHideNotificationInternal(
}
}
void nsDocShell::FirePageHideShowNonRecursive(bool aShow) {
MOZ_ASSERT(StaticPrefs::fission_bfcacheInParent());
if (!mContentViewer) {
return;
}
// Emulate what non-SHIP BFCache does too. In pageshow case
// add and remove a request and before that call SetCurrentURI to get
// the location change notification.
// For pagehide, set mFiredUnloadEvent to true, so that unload doesn't fire.
nsCOMPtr<nsIContentViewer> contentViewer(mContentViewer);
if (aShow) {
mFiredUnloadEvent = false;
RefPtr<Document> doc = contentViewer->GetDocument();
if (doc) {
if (mBrowsingContext->IsTop()) {
doc->NotifyPossibleTitleChange(false);
if (mScriptGlobal && mScriptGlobal->GetCurrentInnerWindowInternal()) {
// XXXBFCache Resume doesn't go through oop iframes.
mScriptGlobal->GetCurrentInnerWindowInternal()->Thaw();
}
}
nsCOMPtr<nsIChannel> channel = doc->GetChannel();
if (channel) {
SetCurrentURI(doc->GetDocumentURI(), channel, true, 0);
mEODForCurrentDocument = false;
mIsRestoringDocument = true;
mLoadGroup->AddRequest(channel, nullptr);
mLoadGroup->RemoveRequest(channel, nullptr, NS_OK);
mIsRestoringDocument = false;
}
RefPtr<PresShell> presShell = GetPresShell();
if (presShell) {
// XXXBFcache Thaw doesn't deal with OOP iframes.
presShell->Thaw();
}
}
} else if (!mFiredUnloadEvent) {
// XXXBFCache check again that the page can enter bfcache.
// XXXBFCache should mTiming->NotifyUnloadEventStart()/End() be called here?
mFiredUnloadEvent = true;
contentViewer->PageHide(false);
if (mBrowsingContext->IsTop()) {
if (mScriptGlobal && mScriptGlobal->GetCurrentInnerWindowInternal()) {
// XXXBFCache Resume doesn't go through oop iframes.
mScriptGlobal->GetCurrentInnerWindowInternal()->Freeze();
}
}
RefPtr<PresShell> presShell = GetPresShell();
if (presShell) {
// XXXBFcache Freeze doesn't deal with OOP iframes.
presShell->Freeze();
}
}
}
nsresult nsDocShell::Dispatch(TaskCategory aCategory,
already_AddRefed<nsIRunnable>&& aRunnable) {
nsCOMPtr<nsIRunnable> runnable(aRunnable);
@@ -6898,6 +6956,7 @@ bool nsDocShell::CanSavePresentation(uint32_t aLoadType,
// Only save presentation for "normal" loads and link loads. Anything else
// probably wants to refetch the page, so caching the old presentation
// would be incorrect.
// XXXBFCache in parent needs something like this!
if (aLoadType != LOAD_NORMAL && aLoadType != LOAD_HISTORY &&
aLoadType != LOAD_LINK && aLoadType != LOAD_STOP_CONTENT &&
aLoadType != LOAD_STOP_CONTENT_AND_REPLACE &&