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/* 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 "nsIEHistoryEnumerator.h"
#include <urlhist.h>
#include <shlguid.h>
#include "nsStringAPI.h"
#include "nsNetUtil.h"
#include "nsIVariant.h"
#include "nsCOMArray.h"
#include "nsArrayEnumerator.h"
namespace {
PRTime FileTimeToPRTime(FILETIME* filetime)
{
SYSTEMTIME st;
::FileTimeToSystemTime(filetime, &st);
PRExplodedTime prt;
prt.tm_year = st.wYear;
// SYSTEMTIME's day-of-month parameter is 1-based,
// PRExplodedTime's is 0-based.
prt.tm_month = st.wMonth - 1;
prt.tm_mday = st.wDay;
prt.tm_hour = st.wHour;
prt.tm_min = st.wMinute;
prt.tm_sec = st.wSecond;
prt.tm_usec = st.wMilliseconds * 1000;
prt.tm_wday = 0;
prt.tm_yday = 0;
prt.tm_params.tp_gmt_offset = 0;
prt.tm_params.tp_dst_offset = 0;
return PR_ImplodeTime(&prt);
}
} // Anonymous namespace.
////////////////////////////////////////////////////////////////////////////////
//// nsIEHistoryEnumerator
NS_IMPL_ISUPPORTS(nsIEHistoryEnumerator, nsISimpleEnumerator)
nsIEHistoryEnumerator::nsIEHistoryEnumerator()
{
::CoInitialize(nullptr);
}
nsIEHistoryEnumerator::~nsIEHistoryEnumerator()
{
::CoUninitialize();
}
void
nsIEHistoryEnumerator::EnsureInitialized()
{
if (mURLEnumerator)
return;
HRESULT hr = ::CoCreateInstance(CLSID_CUrlHistory,
nullptr,
CLSCTX_INPROC_SERVER,
IID_IUrlHistoryStg2,
getter_AddRefs(mIEHistory));
if (FAILED(hr))
return;
hr = mIEHistory->EnumUrls(getter_AddRefs(mURLEnumerator));
if (FAILED(hr))
return;
}
NS_IMETHODIMP
nsIEHistoryEnumerator::HasMoreElements(bool* _retval)
{
*_retval = false;
EnsureInitialized();
MOZ_ASSERT(mURLEnumerator, "Should have instanced an IE History URLEnumerator");
if (!mURLEnumerator)
return NS_OK;
STATURL statURL;
ULONG fetched;
// First argument is not implemented, so doesn't matter what we pass.
HRESULT hr = mURLEnumerator->Next(1, &statURL, &fetched);
if (FAILED(hr) || fetched != 1UL) {
// Reached the last entry.
return NS_OK;
}
nsCOMPtr<nsIURI> uri;
if (statURL.pwcsUrl) {
nsDependentString url(statURL.pwcsUrl);
nsresult rv = NS_NewURI(getter_AddRefs(uri), url);
::CoTaskMemFree(statURL.pwcsUrl);
if (NS_FAILED(rv)) {
// Got a corrupt or invalid URI, continue to the next entry.
return HasMoreElements(_retval);
}
}
nsDependentString title(statURL.pwcsTitle);
PRTime lastVisited = FileTimeToPRTime(&(statURL.ftLastVisited));
mCachedNextEntry = do_CreateInstance("@mozilla.org/hash-property-bag;1");
MOZ_ASSERT(mCachedNextEntry, "Should have instanced a new property bag");
if (mCachedNextEntry) {
mCachedNextEntry->SetPropertyAsInterface(NS_LITERAL_STRING("uri"), uri);
mCachedNextEntry->SetPropertyAsAString(NS_LITERAL_STRING("title"), title);
mCachedNextEntry->SetPropertyAsInt64(NS_LITERAL_STRING("time"), lastVisited);
*_retval = true;
}
if (statURL.pwcsTitle)
::CoTaskMemFree(statURL.pwcsTitle);
return NS_OK;
}
NS_IMETHODIMP
nsIEHistoryEnumerator::GetNext(nsISupports** _retval)
{
*_retval = nullptr;
if (!mCachedNextEntry)
return NS_ERROR_FAILURE;
NS_ADDREF(*_retval = mCachedNextEntry);
// Release the cached entry, so it can't be returned twice.
mCachedNextEntry = nullptr;
return NS_OK;
}
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