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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsSHEntry.h"
#include <algorithm>
#include "nsDocShell.h"
#include "nsDocShellEditorData.h"
#include "nsDocShellLoadState.h"
#include "nsDocShellLoadTypes.h"
#include "nsIContentSecurityPolicy.h"
#include "nsIContentViewer.h"
#include "nsIDocShellTreeItem.h"
#include "nsIInputStream.h"
#include "nsILayoutHistoryState.h"
#include "nsIMutableArray.h"
#include "nsIStructuredCloneContainer.h"
#include "nsIURI.h"
#include "nsSHEntryShared.h"
#include "nsSHistory.h"
#include "mozilla/Logging.h"
#include "nsIReferrerInfo.h"
extern mozilla::LazyLogModule gPageCacheLog;
static uint32_t gEntryID = 0;
nsSHEntry::nsSHEntry()
: mShared(new nsSHEntryShared()),
mLoadType(0),
mID(++gEntryID), // SessionStore has special handling for 0 values.
mScrollPositionX(0),
mScrollPositionY(0),
mParent(nullptr),
mLoadReplace(false),
mURIWasModified(false),
mIsSrcdocEntry(false),
mScrollRestorationIsManual(false),
mLoadedInThisProcess(false),
mPersist(true),
mHasUserInteraction(false),
mHasUserActivation(false) {}
nsSHEntry::nsSHEntry(const nsSHEntry& aOther)
: mShared(aOther.mShared),
mURI(aOther.mURI),
mOriginalURI(aOther.mOriginalURI),
mResultPrincipalURI(aOther.mResultPrincipalURI),
mReferrerInfo(aOther.mReferrerInfo),
mTitle(aOther.mTitle),
mPostData(aOther.mPostData),
mLoadType(0) // XXX why not copy?
,
mID(aOther.mID),
mScrollPositionX(0) // XXX why not copy?
,
mScrollPositionY(0) // XXX why not copy?
,
mParent(aOther.mParent),
mStateData(aOther.mStateData),
mSrcdocData(aOther.mSrcdocData),
mBaseURI(aOther.mBaseURI),
mLoadReplace(aOther.mLoadReplace),
mURIWasModified(aOther.mURIWasModified),
mIsSrcdocEntry(aOther.mIsSrcdocEntry),
mScrollRestorationIsManual(false),
mLoadedInThisProcess(aOther.mLoadedInThisProcess),
mPersist(aOther.mPersist),
mHasUserInteraction(false),
mHasUserActivation(aOther.mHasUserActivation) {}
nsSHEntry::~nsSHEntry() {
// Null out the mParent pointers on all our kids.
for (nsISHEntry* entry : mChildren) {
if (entry) {
entry->SetParent(nullptr);
}
}
}
NS_IMPL_ISUPPORTS(nsSHEntry, nsISHEntry)
NS_IMETHODIMP
nsSHEntry::SetScrollPosition(int32_t aX, int32_t aY) {
mScrollPositionX = aX;
mScrollPositionY = aY;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetScrollPosition(int32_t* aX, int32_t* aY) {
*aX = mScrollPositionX;
*aY = mScrollPositionY;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetURIWasModified(bool* aOut) {
*aOut = mURIWasModified;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetURIWasModified(bool aIn) {
mURIWasModified = aIn;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetURI(nsIURI** aURI) {
*aURI = mURI;
NS_IF_ADDREF(*aURI);
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetURI(nsIURI* aURI) {
mURI = aURI;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetOriginalURI(nsIURI** aOriginalURI) {
*aOriginalURI = mOriginalURI;
NS_IF_ADDREF(*aOriginalURI);
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetOriginalURI(nsIURI* aOriginalURI) {
mOriginalURI = aOriginalURI;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetResultPrincipalURI(nsIURI** aResultPrincipalURI) {
*aResultPrincipalURI = mResultPrincipalURI;
NS_IF_ADDREF(*aResultPrincipalURI);
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetResultPrincipalURI(nsIURI* aResultPrincipalURI) {
mResultPrincipalURI = aResultPrincipalURI;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetLoadReplace(bool* aLoadReplace) {
*aLoadReplace = mLoadReplace;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetLoadReplace(bool aLoadReplace) {
mLoadReplace = aLoadReplace;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetReferrerInfo(nsIReferrerInfo** aReferrerInfo) {
*aReferrerInfo = mReferrerInfo;
NS_IF_ADDREF(*aReferrerInfo);
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetReferrerInfo(nsIReferrerInfo* aReferrerInfo) {
mReferrerInfo = aReferrerInfo;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetSticky(bool aSticky) {
mShared->mSticky = aSticky;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetSticky(bool* aSticky) {
*aSticky = mShared->mSticky;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetTitle(nsAString& aTitle) {
// Check for empty title...
if (mTitle.IsEmpty() && mURI) {
// Default title is the URL.
nsAutoCString spec;
if (NS_SUCCEEDED(mURI->GetSpec(spec))) {
AppendUTF8toUTF16(spec, mTitle);
}
}
aTitle = mTitle;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetTitle(const nsAString& aTitle) {
mTitle = aTitle;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetName(nsAString& aName) {
aName = mName;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetName(const nsAString& aName) {
mName = aName;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetPostData(nsIInputStream** aResult) {
*aResult = mPostData;
NS_IF_ADDREF(*aResult);
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetPostData(nsIInputStream* aPostData) {
mPostData = aPostData;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetLayoutHistoryState(nsILayoutHistoryState** aResult) {
*aResult = mShared->mLayoutHistoryState;
NS_IF_ADDREF(*aResult);
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetLayoutHistoryState(nsILayoutHistoryState* aState) {
mShared->mLayoutHistoryState = aState;
if (mShared->mLayoutHistoryState) {
mShared->mLayoutHistoryState->SetScrollPositionOnly(
!mShared->mSaveLayoutState);
}
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::InitLayoutHistoryState(nsILayoutHistoryState** aState) {
if (!mShared->mLayoutHistoryState) {
nsCOMPtr<nsILayoutHistoryState> historyState;
historyState = NS_NewLayoutHistoryState();
SetLayoutHistoryState(historyState);
}
nsCOMPtr<nsILayoutHistoryState> state = GetLayoutHistoryState();
state.forget(aState);
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetLoadType(uint32_t* aResult) {
*aResult = mLoadType;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetLoadType(uint32_t aLoadType) {
mLoadType = aLoadType;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetID(uint32_t* aResult) {
*aResult = mID;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetID(uint32_t aID) {
mID = aID;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetIsSubFrame(bool* aFlag) {
*aFlag = mShared->mIsFrameNavigation;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetIsSubFrame(bool aFlag) {
mShared->mIsFrameNavigation = aFlag;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetHasUserInteraction(bool* aFlag) {
// The back button and menulist deal with root/top-level
// session history entries, thus we annotate only the root entry.
if (!mParent) {
*aFlag = mHasUserInteraction;
} else {
nsCOMPtr<nsISHEntry> root = nsSHistory::GetRootSHEntry(this);
root->GetHasUserInteraction(aFlag);
}
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetHasUserInteraction(bool aFlag) {
// The back button and menulist deal with root/top-level
// session history entries, thus we annotate only the root entry.
if (!mParent) {
mHasUserInteraction = aFlag;
} else {
nsCOMPtr<nsISHEntry> root = nsSHistory::GetRootSHEntry(this);
root->SetHasUserInteraction(aFlag);
}
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetHasUserActivation(bool* aFlag) {
*aFlag = mHasUserActivation;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetHasUserActivation(bool aFlag) {
mHasUserActivation = aFlag;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetCacheKey(uint32_t* aResult) {
*aResult = mShared->mCacheKey;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetCacheKey(uint32_t aCacheKey) {
mShared->mCacheKey = aCacheKey;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetContentType(nsACString& aContentType) {
aContentType = mShared->mContentType;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetContentType(const nsACString& aContentType) {
mShared->mContentType = aContentType;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::Create(nsIURI* aURI, const nsAString& aTitle,
nsIInputStream* aInputStream, uint32_t aCacheKey,
const nsACString& aContentType,
nsIPrincipal* aTriggeringPrincipal,
nsIPrincipal* aPrincipalToInherit,
nsIPrincipal* aPartitionedPrincipalToInherit,
nsIContentSecurityPolicy* aCsp, const nsID& aDocShellID,
bool aDynamicCreation, nsIURI* aOriginalURI,
nsIURI* aResultPrincipalURI, bool aLoadReplace,
nsIReferrerInfo* aReferrerInfo, const nsAString& aSrcdocData,
bool aSrcdocEntry, nsIURI* aBaseURI, bool aSaveLayoutState,
bool aExpired, bool aUserActivation) {
MOZ_ASSERT(
aTriggeringPrincipal,
"need a valid triggeringPrincipal to create a session history entry");
mURI = aURI;
mTitle = aTitle;
mPostData = aInputStream;
// Set the LoadType by default to loadHistory during creation
mLoadType = LOAD_HISTORY;
mShared->mCacheKey = aCacheKey;
mShared->mContentType = aContentType;
mShared->mTriggeringPrincipal = aTriggeringPrincipal;
mShared->mPrincipalToInherit = aPrincipalToInherit;
mShared->mPartitionedPrincipalToInherit = aPartitionedPrincipalToInherit;
mShared->mCsp = aCsp;
mShared->mDocShellID = aDocShellID;
mShared->mDynamicallyCreated = aDynamicCreation;
// By default all entries are set false for subframe flag.
// nsDocShell::CloneAndReplace() which creates entries for
// all subframe navigations, sets the flag to true.
mShared->mIsFrameNavigation = false;
mHasUserInteraction = false;
mShared->mExpired = aExpired;
mIsSrcdocEntry = aSrcdocEntry;
mSrcdocData = aSrcdocData;
mBaseURI = aBaseURI;
mLoadedInThisProcess = true;
mOriginalURI = aOriginalURI;
mResultPrincipalURI = aResultPrincipalURI;
mLoadReplace = aLoadReplace;
mReferrerInfo = aReferrerInfo;
mHasUserActivation = aUserActivation;
mShared->mLayoutHistoryState = nullptr;
mShared->mSaveLayoutState = aSaveLayoutState;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetParent(nsISHEntry** aResult) {
*aResult = mParent;
NS_IF_ADDREF(*aResult);
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetParent(nsISHEntry* aParent) {
/* parent not Addrefed on purpose to avoid cyclic reference
* Null parent is OK
*
* XXX this method should not be scriptable if this is the case!!
*/
mParent = aParent;
return NS_OK;
}
NS_IMETHODIMP_(void)
nsSHEntry::SetViewerBounds(const nsIntRect& aBounds) {
mShared->mViewerBounds = aBounds;
}
NS_IMETHODIMP_(void)
nsSHEntry::GetViewerBounds(nsIntRect& aBounds) {
aBounds = mShared->mViewerBounds;
}
NS_IMETHODIMP
nsSHEntry::GetTriggeringPrincipal(nsIPrincipal** aTriggeringPrincipal) {
NS_IF_ADDREF(*aTriggeringPrincipal = mShared->mTriggeringPrincipal);
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetTriggeringPrincipal(nsIPrincipal* aTriggeringPrincipal) {
mShared->mTriggeringPrincipal = aTriggeringPrincipal;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetPrincipalToInherit(nsIPrincipal** aPrincipalToInherit) {
NS_IF_ADDREF(*aPrincipalToInherit = mShared->mPrincipalToInherit);
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetPrincipalToInherit(nsIPrincipal* aPrincipalToInherit) {
mShared->mPrincipalToInherit = aPrincipalToInherit;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetPartitionedPrincipalToInherit(
nsIPrincipal** aPartitionedPrincipalToInherit) {
NS_IF_ADDREF(*aPartitionedPrincipalToInherit =
mShared->mPartitionedPrincipalToInherit);
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetPartitionedPrincipalToInherit(
nsIPrincipal* aPartitionedPrincipalToInherit) {
mShared->mPartitionedPrincipalToInherit = aPartitionedPrincipalToInherit;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetCsp(nsIContentSecurityPolicy** aCsp) {
NS_IF_ADDREF(*aCsp = mShared->mCsp);
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetCsp(nsIContentSecurityPolicy* aCsp) {
mShared->mCsp = aCsp;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::AdoptBFCacheEntry(nsISHEntry* aEntry) {
nsSHEntryShared* shared = static_cast<nsSHEntry*>(aEntry)->mShared;
NS_ENSURE_STATE(shared);
mShared = shared;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SharesDocumentWith(nsISHEntry* aEntry, bool* aOut) {
NS_ENSURE_ARG_POINTER(aOut);
*aOut = mShared == static_cast<nsSHEntry*>(aEntry)->mShared;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetIsSrcdocEntry(bool* aIsSrcdocEntry) {
*aIsSrcdocEntry = mIsSrcdocEntry;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetSrcdocData(nsAString& aSrcdocData) {
aSrcdocData = mSrcdocData;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetSrcdocData(const nsAString& aSrcdocData) {
mSrcdocData = aSrcdocData;
mIsSrcdocEntry = true;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetBaseURI(nsIURI** aBaseURI) {
*aBaseURI = mBaseURI;
NS_IF_ADDREF(*aBaseURI);
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetBaseURI(nsIURI* aBaseURI) {
mBaseURI = aBaseURI;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetScrollRestorationIsManual(bool* aIsManual) {
*aIsManual = mScrollRestorationIsManual;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetScrollRestorationIsManual(bool aIsManual) {
mScrollRestorationIsManual = aIsManual;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetLoadedInThisProcess(bool* aLoadedInThisProcess) {
*aLoadedInThisProcess = mLoadedInThisProcess;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetChildCount(int32_t* aCount) {
*aCount = mChildren.Count();
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::AddChild(nsISHEntry* aChild, int32_t aOffset,
bool aUseRemoteSubframes) {
if (aChild) {
NS_ENSURE_SUCCESS(aChild->SetParent(this), NS_ERROR_FAILURE);
}
if (aOffset < 0) {
mChildren.AppendObject(aChild);
return NS_OK;
}
//
// Bug 52670: Ensure children are added in order.
//
// Later frames in the child list may load faster and get appended
// before earlier frames, causing session history to be scrambled.
// By growing the list here, they are added to the right position.
//
// Assert that aOffset will not be so high as to grow us a lot.
//
NS_ASSERTION(aOffset < (mChildren.Count() + 1023), "Large frames array!\n");
bool newChildIsDyn = aChild ? aChild->IsDynamicallyAdded() : false;
// If the new child is dynamically added, try to add it to aOffset, but if
// there are non-dynamically added children, the child must be after those.
if (newChildIsDyn) {
int32_t lastNonDyn = aOffset - 1;
for (int32_t i = aOffset; i < mChildren.Count(); ++i) {
nsISHEntry* entry = mChildren[i];
if (entry) {
if (entry->IsDynamicallyAdded()) {
break;
} else {
lastNonDyn = i;
}
}
}
// InsertObjectAt allows only appending one object.
// If aOffset is larger than Count(), we must first manually
// set the capacity.
if (aOffset > mChildren.Count()) {
mChildren.SetCount(aOffset);
}
if (!mChildren.InsertObjectAt(aChild, lastNonDyn + 1)) {
NS_WARNING("Adding a child failed!");
aChild->SetParent(nullptr);
return NS_ERROR_FAILURE;
}
} else {
// If the new child isn't dynamically added, it should be set to aOffset.
// If there are dynamically added children before that, those must be
// moved to be after aOffset.
if (mChildren.Count() > 0) {
int32_t start = std::min(mChildren.Count() - 1, aOffset);
int32_t dynEntryIndex = -1;
nsISHEntry* dynEntry = nullptr;
for (int32_t i = start; i >= 0; --i) {
nsISHEntry* entry = mChildren[i];
if (entry) {
if (entry->IsDynamicallyAdded()) {
dynEntryIndex = i;
dynEntry = entry;
} else {
break;
}
}
}
if (dynEntry) {
nsCOMArray<nsISHEntry> tmp;
tmp.SetCount(aOffset - dynEntryIndex + 1);
mChildren.InsertObjectsAt(tmp, dynEntryIndex);
NS_ASSERTION(mChildren[aOffset + 1] == dynEntry, "Whaat?");
}
}
// Make sure there isn't anything at aOffset.
if (aOffset < mChildren.Count()) {
nsISHEntry* oldChild = mChildren[aOffset];
if (oldChild && oldChild != aChild) {
// Under Fission, this can happen when a network-created iframe starts
// out in-process, moves out-of-process, and then switches back. At that
// point, we'll create a new network-created DocShell at the same index
// where we already have an entry for the original network-created
// DocShell.
//
// This should ideally stop being an issue once the Fission-aware
// session history rewrite is complete.
NS_ASSERTION(
aUseRemoteSubframes,
"Adding a child where we already have a child? This may misbehave");
oldChild->SetParent(nullptr);
}
}
mChildren.ReplaceObjectAt(aChild, aOffset);
}
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::RemoveChild(nsISHEntry* aChild) {
NS_ENSURE_TRUE(aChild, NS_ERROR_FAILURE);
bool childRemoved = false;
if (aChild->IsDynamicallyAdded()) {
childRemoved = mChildren.RemoveObject(aChild);
} else {
int32_t index = mChildren.IndexOfObject(aChild);
if (index >= 0) {
// Other alive non-dynamic child docshells still keep mChildOffset,
// so we don't want to change the indices here.
mChildren.ReplaceObjectAt(nullptr, index);
childRemoved = true;
}
}
if (childRemoved) {
aChild->SetParent(nullptr);
// reduce the child count, i.e. remove empty children at the end
for (int32_t i = mChildren.Count() - 1; i >= 0 && !mChildren[i]; --i) {
if (!mChildren.RemoveObjectAt(i)) {
break;
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetChildAt(int32_t aIndex, nsISHEntry** aResult) {
if (aIndex >= 0 && aIndex < mChildren.Count()) {
*aResult = mChildren[aIndex];
// yes, mChildren can have holes in it. AddChild's offset parameter makes
// that possible.
NS_IF_ADDREF(*aResult);
} else {
*aResult = nullptr;
}
return NS_OK;
}
NS_IMETHODIMP_(void)
nsSHEntry::GetChildSHEntryIfHasNoDynamicallyAddedChild(int32_t aChildOffset,
nsISHEntry** aChild) {
*aChild = nullptr;
bool dynamicallyAddedChild = false;
HasDynamicallyAddedChild(&dynamicallyAddedChild);
if (dynamicallyAddedChild) {
return;
}
// If the user did a shift-reload on this frameset page,
// we don't want to load the subframes from history.
if (IsForceReloadType(mLoadType) || mLoadType == LOAD_REFRESH) {
return;
}
/* Before looking for the subframe's url, check
* the expiration status of the parent. If the parent
* has expired from cache, then subframes will not be
* loaded from history in certain situations.
* If the user pressed reload and the parent frame has expired
* from cache, we do not want to load the child frame from history.
*/
if (mShared->mExpired && (mLoadType == LOAD_RELOAD_NORMAL)) {
// The parent has expired. Return null.
*aChild = nullptr;
return;
}
// Get the child subframe from session history.
GetChildAt(aChildOffset, aChild);
if (*aChild) {
// Set the parent's Load Type on the child
(*aChild)->SetLoadType(mLoadType);
}
}
NS_IMETHODIMP
nsSHEntry::ReplaceChild(nsISHEntry* aNewEntry) {
NS_ENSURE_STATE(aNewEntry);
nsID docshellID;
aNewEntry->GetDocshellID(docshellID);
for (int32_t i = 0; i < mChildren.Count(); ++i) {
if (mChildren[i]) {
nsID childDocshellID;
nsresult rv = mChildren[i]->GetDocshellID(childDocshellID);
NS_ENSURE_SUCCESS(rv, rv);
if (docshellID == childDocshellID) {
mChildren[i]->SetParent(nullptr);
mChildren.ReplaceObjectAt(aNewEntry, i);
return aNewEntry->SetParent(this);
}
}
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP_(void) nsSHEntry::ClearEntry() {
int32_t childCount = GetChildCount();
// Remove all children of this entry
for (int32_t i = childCount - 1; i >= 0; i--) {
nsCOMPtr<nsISHEntry> child;
GetChildAt(i, getter_AddRefs(child));
RemoveChild(child);
}
AbandonBFCacheEntry();
}
NS_IMETHODIMP
nsSHEntry::GetStateData(nsIStructuredCloneContainer** aContainer) {
NS_IF_ADDREF(*aContainer = mStateData);
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetStateData(nsIStructuredCloneContainer* aContainer) {
mStateData = aContainer;
return NS_OK;
}
NS_IMETHODIMP_(bool)
nsSHEntry::IsDynamicallyAdded() { return mShared->mDynamicallyCreated; }
NS_IMETHODIMP
nsSHEntry::HasDynamicallyAddedChild(bool* aAdded) {
*aAdded = false;
for (int32_t i = 0; i < mChildren.Count(); ++i) {
nsISHEntry* entry = mChildren[i];
if (entry) {
*aAdded = entry->IsDynamicallyAdded();
if (*aAdded) {
break;
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetDocshellID(nsID& aID) {
aID = mShared->mDocShellID;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetDocshellID(const nsID& aID) {
mShared->mDocShellID = aID;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetLastTouched(uint32_t* aLastTouched) {
*aLastTouched = mShared->mLastTouched;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetLastTouched(uint32_t aLastTouched) {
mShared->mLastTouched = aLastTouched;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetShistory(nsISHistory** aSHistory) {
nsCOMPtr<nsISHistory> shistory(do_QueryReferent(mShared->mSHistory));
shistory.forget(aSHistory);
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetShistory(nsISHistory* aSHistory) {
nsWeakPtr shistory = do_GetWeakReference(aSHistory);
// mSHistory can not be changed once it's set
MOZ_ASSERT(!mShared->mSHistory || (mShared->mSHistory == shistory));
mShared->mSHistory = shistory;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetLoadTypeAsHistory() {
// Set the LoadType by default to loadHistory during creation
mLoadType = LOAD_HISTORY;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetPersist(bool* aPersist) {
*aPersist = mPersist;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetPersist(bool aPersist) {
mPersist = aPersist;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::CreateLoadInfo(nsDocShellLoadState** aLoadState) {
nsCOMPtr<nsIURI> uri = GetURI();
RefPtr<nsDocShellLoadState> loadState(new nsDocShellLoadState(uri));
nsCOMPtr<nsIURI> originalURI = GetOriginalURI();
loadState->SetOriginalURI(originalURI);
mozilla::Maybe<nsCOMPtr<nsIURI>> emplacedResultPrincipalURI;
nsCOMPtr<nsIURI> resultPrincipalURI = GetResultPrincipalURI();
emplacedResultPrincipalURI.emplace(std::move(resultPrincipalURI));
loadState->SetMaybeResultPrincipalURI(emplacedResultPrincipalURI);
loadState->SetLoadReplace(GetLoadReplace());
nsCOMPtr<nsIInputStream> postData = GetPostData();
loadState->SetPostDataStream(postData);
nsAutoCString contentType;
GetContentType(contentType);
loadState->SetTypeHint(contentType);
nsCOMPtr<nsIPrincipal> triggeringPrincipal = GetTriggeringPrincipal();
loadState->SetTriggeringPrincipal(triggeringPrincipal);
nsCOMPtr<nsIPrincipal> principalToInherit = GetPrincipalToInherit();
loadState->SetPrincipalToInherit(principalToInherit);
nsCOMPtr<nsIPrincipal> partitionedPrincipalToInherit =
GetPartitionedPrincipalToInherit();
loadState->SetPartitionedPrincipalToInherit(partitionedPrincipalToInherit);
nsCOMPtr<nsIContentSecurityPolicy> csp = GetCsp();
loadState->SetCsp(csp);
nsCOMPtr<nsIReferrerInfo> referrerInfo = GetReferrerInfo();
loadState->SetReferrerInfo(referrerInfo);
// Do not inherit principal from document (security-critical!);
uint32_t flags = nsDocShell::InternalLoad::INTERNAL_LOAD_FLAGS_NONE;
// Passing nullptr as aSourceDocShell gives the same behaviour as before
// aSourceDocShell was introduced. According to spec we should be passing
// the source browsing context that was used when the history entry was
// first created. bug 947716 has been created to address this issue.
nsAutoString srcdoc;
nsCOMPtr<nsIURI> baseURI;
if (GetIsSrcdocEntry()) {
GetSrcdocData(srcdoc);
baseURI = GetBaseURI();
flags |= nsDocShell::InternalLoad::INTERNAL_LOAD_FLAGS_IS_SRCDOC;
} else {
srcdoc = VoidString();
}
loadState->SetSrcdocData(srcdoc);
loadState->SetBaseURI(baseURI);
loadState->SetInternalLoadFlags(flags);
loadState->SetFirstParty(true);
loadState->SetHasValidUserGestureActivation(GetHasUserActivation());
loadState->SetSHEntry(this);
// When we create a load state from the history entry we already know if
// https-first was able to upgrade the request from http to https. There is no
// point in re-retrying to upgrade.
loadState->SetIsExemptFromHTTPSOnlyMode(true);
loadState.forget(aLoadState);
return NS_OK;
}
NS_IMETHODIMP_(void)
nsSHEntry::SyncTreesForSubframeNavigation(
nsISHEntry* aEntry, mozilla::dom::BrowsingContext* aTopBC,
mozilla::dom::BrowsingContext* aIgnoreBC) {
// XXX Keep this in sync with
// SessionHistoryEntry::SyncTreesForSubframeNavigation
//
// We need to sync up the browsing context and session history trees for
// subframe navigation. If the load was in a subframe, we forward up to
// the top browsing context, which will then recursively sync up all browsing
// contexts to their corresponding entries in the new session history tree. If
// we don't do this, then we can cache a content viewer on the wrong cloned
// entry, and subsequently restore it at the wrong time.
nsCOMPtr<nsISHEntry> newRootEntry = nsSHistory::GetRootSHEntry(aEntry);
if (newRootEntry) {
// newRootEntry is now the new root entry.
// Find the old root entry as well.
// Need a strong ref. on |oldRootEntry| so it isn't destroyed when
// SetChildHistoryEntry() does SwapHistoryEntries() (bug 304639).
nsCOMPtr<nsISHEntry> oldRootEntry = nsSHistory::GetRootSHEntry(this);
if (oldRootEntry) {
nsSHistory::SwapEntriesData data = {aIgnoreBC, newRootEntry, nullptr};
nsSHistory::SetChildHistoryEntry(oldRootEntry, aTopBC, 0, &data);
}
}
}
void nsSHEntry::EvictContentViewer() {
nsCOMPtr<nsIContentViewer> viewer = GetContentViewer();
if (viewer) {
mShared->NotifyListenersContentViewerEvicted();
// Drop the presentation state before destroying the viewer, so that
// document teardown is able to correctly persist the state.
SetContentViewer(nullptr);
SyncPresentationState();
viewer->Destroy();
}
}
NS_IMETHODIMP
nsSHEntry::SetContentViewer(nsIContentViewer* aViewer) {
return GetState()->SetContentViewer(aViewer);
}
NS_IMETHODIMP
nsSHEntry::GetContentViewer(nsIContentViewer** aResult) {
*aResult = GetState()->mContentViewer;
NS_IF_ADDREF(*aResult);
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetIsInBFCache(bool* aResult) {
*aResult = !!GetState()->mContentViewer;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::Clone(nsISHEntry** aResult) {
nsCOMPtr<nsISHEntry> entry = new nsSHEntry(*this);
entry.forget(aResult);
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetSaveLayoutStateFlag(bool* aFlag) {
*aFlag = mShared->mSaveLayoutState;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetSaveLayoutStateFlag(bool aFlag) {
mShared->mSaveLayoutState = aFlag;
if (mShared->mLayoutHistoryState) {
mShared->mLayoutHistoryState->SetScrollPositionOnly(!aFlag);
}
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetWindowState(nsISupports* aState) {
GetState()->mWindowState = aState;
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetWindowState(nsISupports** aState) {
NS_IF_ADDREF(*aState = GetState()->mWindowState);
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetRefreshURIList(nsIMutableArray** aList) {
NS_IF_ADDREF(*aList = GetState()->mRefreshURIList);
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetRefreshURIList(nsIMutableArray* aList) {
GetState()->mRefreshURIList = aList;
return NS_OK;
}
NS_IMETHODIMP_(void)
nsSHEntry::AddChildShell(nsIDocShellTreeItem* aShell) {
MOZ_ASSERT(aShell, "Null child shell added to history entry");
GetState()->mChildShells.AppendObject(aShell);
}
NS_IMETHODIMP
nsSHEntry::ChildShellAt(int32_t aIndex, nsIDocShellTreeItem** aShell) {
NS_IF_ADDREF(*aShell = GetState()->mChildShells.SafeObjectAt(aIndex));
return NS_OK;
}
NS_IMETHODIMP_(void)
nsSHEntry::ClearChildShells() { GetState()->mChildShells.Clear(); }
NS_IMETHODIMP_(void)
nsSHEntry::SyncPresentationState() { GetState()->SyncPresentationState(); }
nsDocShellEditorData* nsSHEntry::ForgetEditorData() {
// XXX jlebar Check how this is used.
return GetState()->mEditorData.release();
}
void nsSHEntry::SetEditorData(nsDocShellEditorData* aData) {
NS_ASSERTION(!(aData && GetState()->mEditorData),
"We're going to overwrite an owning ref!");
if (GetState()->mEditorData != aData) {
GetState()->mEditorData = mozilla::WrapUnique(aData);
}
}
bool nsSHEntry::HasDetachedEditor() {
return GetState()->mEditorData != nullptr;
}
bool nsSHEntry::HasBFCacheEntry(
mozilla::dom::SHEntrySharedParentState* aEntry) {
return GetState() == aEntry;
}
NS_IMETHODIMP
nsSHEntry::AbandonBFCacheEntry() {
mShared = GetState()->Duplicate();
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetBfcacheID(uint64_t* aBFCacheID) {
*aBFCacheID = mShared->GetId();
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::GetWireframe(JSContext* aCx, JS::MutableHandle<JS::Value> aOut) {
aOut.set(JS::NullValue());
return NS_OK;
}
NS_IMETHODIMP
nsSHEntry::SetWireframe(JSContext* aCx, JS::Handle<JS::Value> aArg) {
return NS_ERROR_NOT_IMPLEMENTED;
}