mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-30 13:45:27 +00:00
1b315d2194
MozReview-Commit-ID: FY36NdOUM66 --HG-- extra : rebase_source : 6dea22921c7b0e27868827e78503e8a7133e9127
328 lines
8.3 KiB
C++
328 lines
8.3 KiB
C++
/* -*- 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 "PartialSHistory.h"
|
|
|
|
#include "nsIWebNavigation.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
NS_IMPL_CYCLE_COLLECTION(PartialSHistory, mOwnerFrameLoader)
|
|
NS_IMPL_CYCLE_COLLECTING_ADDREF(PartialSHistory)
|
|
NS_IMPL_CYCLE_COLLECTING_RELEASE(PartialSHistory)
|
|
|
|
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PartialSHistory)
|
|
NS_INTERFACE_MAP_ENTRY(nsIPartialSHistory)
|
|
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIPartialSHistory)
|
|
NS_INTERFACE_MAP_ENTRY(nsISHistoryListener)
|
|
NS_INTERFACE_MAP_ENTRY(nsIPartialSHistoryListener)
|
|
NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
|
|
NS_INTERFACE_MAP_END
|
|
|
|
PartialSHistory::PartialSHistory(nsIFrameLoader* aOwnerFrameLoader)
|
|
: mCount(0),
|
|
mGlobalIndexOffset(0),
|
|
mOwnerFrameLoader(aOwnerFrameLoader)
|
|
{
|
|
MOZ_ASSERT(aOwnerFrameLoader);
|
|
}
|
|
|
|
already_AddRefed<nsISHistory>
|
|
PartialSHistory::GetSessionHistory()
|
|
{
|
|
if (!mOwnerFrameLoader) {
|
|
// Cycle collected?
|
|
return nullptr;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShell> docShell;
|
|
mOwnerFrameLoader->GetDocShell(getter_AddRefs(docShell));
|
|
if (!docShell) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsCOMPtr<nsIWebNavigation> webNav(do_QueryInterface(docShell));
|
|
nsCOMPtr<nsISHistory> shistory;
|
|
webNav->GetSessionHistory(getter_AddRefs(shistory));
|
|
return shistory.forget();
|
|
}
|
|
|
|
already_AddRefed<TabParent>
|
|
PartialSHistory::GetTabParent()
|
|
{
|
|
if (!mOwnerFrameLoader) {
|
|
// Cycle collected?
|
|
return nullptr;
|
|
}
|
|
|
|
nsCOMPtr<nsITabParent> tabParent;
|
|
mOwnerFrameLoader->GetTabParent(getter_AddRefs(tabParent));
|
|
return RefPtr<TabParent>(static_cast<TabParent*>(tabParent.get())).forget();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PartialSHistory::GetCount(uint32_t* aResult)
|
|
{
|
|
if (!aResult) {
|
|
return NS_ERROR_INVALID_POINTER;
|
|
}
|
|
|
|
// If we have direct reference to nsISHistory, simply pass through.
|
|
nsCOMPtr<nsISHistory> shistory(GetSessionHistory());
|
|
if (shistory) {
|
|
int32_t count;
|
|
nsresult rv = shistory->GetCount(&count);
|
|
if (NS_FAILED(rv) || count < 0) {
|
|
*aResult = 0;
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
*aResult = count;
|
|
return NS_OK;
|
|
}
|
|
|
|
// Otherwise use the cached value.
|
|
*aResult = mCount;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PartialSHistory::GetGlobalIndex(int32_t* aResult)
|
|
{
|
|
if (!aResult) {
|
|
return NS_ERROR_INVALID_POINTER;
|
|
}
|
|
|
|
nsCOMPtr<nsISHistory> shistory = GetSessionHistory();
|
|
if (shistory) {
|
|
int32_t idx;
|
|
nsresult rv = shistory->GetIndex(&idx);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
*aResult = idx + GetGlobalIndexOffset();
|
|
return NS_OK;
|
|
}
|
|
|
|
*aResult = mIndex + GetGlobalIndexOffset();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PartialSHistory::GetGlobalIndexOffset(uint32_t* aResult)
|
|
{
|
|
if (!aResult) {
|
|
return NS_ERROR_INVALID_POINTER;
|
|
}
|
|
|
|
// If we have direct reference to nsISHistory, simply pass through.
|
|
nsCOMPtr<nsISHistory> shistory(GetSessionHistory());
|
|
if (shistory) {
|
|
int32_t offset;
|
|
nsresult rv = shistory->GetGlobalIndexOffset(&offset);
|
|
if (NS_FAILED(rv) || offset < 0) {
|
|
*aResult = 0;
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
*aResult = offset;
|
|
return NS_OK;
|
|
}
|
|
|
|
// Otherwise use the cached value.
|
|
*aResult = mGlobalIndexOffset;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PartialSHistory::GetOwnerFrameLoader(nsIFrameLoader** aResult)
|
|
{
|
|
nsCOMPtr<nsIFrameLoader> loader(mOwnerFrameLoader);
|
|
loader.forget(aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PartialSHistory::OnAttachGroupedSessionHistory(uint32_t aOffset)
|
|
{
|
|
mGlobalIndexOffset = aOffset;
|
|
|
|
// If we have direct reference to nsISHistory, simply pass through.
|
|
nsCOMPtr<nsISHistory> shistory(GetSessionHistory());
|
|
if (shistory) {
|
|
// nsISHistory uses int32_t
|
|
if (aOffset > INT32_MAX) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
return shistory->OnAttachGroupedSessionHistory(aOffset);
|
|
}
|
|
|
|
// Otherwise notify through TabParent.
|
|
RefPtr<TabParent> tabParent(GetTabParent());
|
|
if (!tabParent) {
|
|
// We have neither shistory nor tabParent?
|
|
NS_WARNING("Unable to get shitory nor tabParent!");
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
Unused << tabParent->SendNotifyAttachGroupedSessionHistory(aOffset);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PartialSHistory::HandleSHistoryUpdate(uint32_t aCount, uint32_t aIndex, bool aTruncate)
|
|
{
|
|
// Update our local cache of mCount and mIndex
|
|
mCount = aCount;
|
|
mIndex = aIndex;
|
|
return SHistoryDidUpdate(aTruncate);
|
|
}
|
|
|
|
nsresult
|
|
PartialSHistory::SHistoryDidUpdate(bool aTruncate /* = false */)
|
|
{
|
|
if (!mOwnerFrameLoader) {
|
|
// Cycle collected?
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
nsCOMPtr<nsIGroupedSHistory> groupedHistory;
|
|
mOwnerFrameLoader->GetGroupedSessionHistory(getter_AddRefs(groupedHistory));
|
|
if (NS_WARN_IF(!groupedHistory)) {
|
|
// Maybe we're not the active partial history, but in this case we shouldn't
|
|
// receive any update from session history object either.
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
groupedHistory->HandleSHistoryUpdate(this, aTruncate);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PartialSHistory::OnActive(uint32_t aGlobalLength, uint32_t aTargetLocalIndex)
|
|
{
|
|
// In-process case.
|
|
nsCOMPtr<nsISHistory> shistory(GetSessionHistory());
|
|
if (shistory) {
|
|
// nsISHistory uses int32_t
|
|
if (aGlobalLength > INT32_MAX || aTargetLocalIndex > INT32_MAX) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
return shistory->OnPartialSessionHistoryActive(aGlobalLength,
|
|
aTargetLocalIndex);
|
|
}
|
|
|
|
// Cross-process case.
|
|
RefPtr<TabParent> tabParent(GetTabParent());
|
|
if (!tabParent) {
|
|
// We have neither shistory nor tabParent?
|
|
NS_WARNING("Unable to get shitory nor tabParent!");
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
Unused << tabParent->SendNotifyPartialSessionHistoryActive(aGlobalLength,
|
|
aTargetLocalIndex);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PartialSHistory::OnDeactive()
|
|
{
|
|
// In-process case.
|
|
nsCOMPtr<nsISHistory> shistory(GetSessionHistory());
|
|
if (shistory) {
|
|
if (NS_FAILED(shistory->OnPartialSessionHistoryDeactive())) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
// Cross-process case.
|
|
RefPtr<TabParent> tabParent(GetTabParent());
|
|
if (!tabParent) {
|
|
// We have neither shistory nor tabParent?
|
|
NS_WARNING("Unable to get shitory nor tabParent!");
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
Unused << tabParent->SendNotifyPartialSessionHistoryDeactive();
|
|
return NS_OK;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
* nsIPartialSHistoryListener
|
|
******************************************************************************/
|
|
|
|
NS_IMETHODIMP
|
|
PartialSHistory::OnRequestCrossBrowserNavigation(uint32_t aIndex)
|
|
{
|
|
if (!mOwnerFrameLoader) {
|
|
// Cycle collected?
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
nsCOMPtr<nsISupports> promise;
|
|
return mOwnerFrameLoader->RequestGroupedHistoryNavigation(aIndex, getter_AddRefs(promise));
|
|
}
|
|
|
|
/*******************************************************************************
|
|
* nsISHistoryListener
|
|
******************************************************************************/
|
|
|
|
NS_IMETHODIMP
|
|
PartialSHistory::OnLengthChanged(int32_t aCount)
|
|
{
|
|
return SHistoryDidUpdate(/* aTruncate = */ true);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PartialSHistory::OnIndexChanged(int32_t aIndex)
|
|
{
|
|
return SHistoryDidUpdate(/* aTruncate = */ false);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PartialSHistory::OnHistoryNewEntry(nsIURI *aNewURI, int32_t aOldIndex)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PartialSHistory::OnHistoryGoBack(nsIURI *aBackURI, bool *_retval)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PartialSHistory::OnHistoryGoForward(nsIURI *aForwardURI, bool *_retval)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PartialSHistory::OnHistoryReload(nsIURI *aReloadURI, uint32_t aReloadFlags, bool *_retval)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PartialSHistory::OnHistoryGotoIndex(int32_t aIndex, nsIURI *aGotoURI, bool *_retval)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PartialSHistory::OnHistoryPurge(int32_t aNumEntries, bool *_retval)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PartialSHistory::OnHistoryReplaceEntry(int32_t aIndex)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|