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-rw-r--r--browser/components/migration/nsIEHistoryEnumerator.cpp116
1 files changed, 116 insertions, 0 deletions
diff --git a/browser/components/migration/nsIEHistoryEnumerator.cpp b/browser/components/migration/nsIEHistoryEnumerator.cpp
new file mode 100644
index 0000000000..497b92bab7
--- /dev/null
+++ b/browser/components/migration/nsIEHistoryEnumerator.cpp
@@ -0,0 +1,116 @@
+/* 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 "nsArrayEnumerator.h"
+#include "nsComponentManagerUtils.h"
+#include "nsCOMArray.h"
+#include "nsIURI.h"
+#include "nsNetUtil.h"
+#include "nsString.h"
+#include "nsWindowsMigrationUtils.h"
+#include "prtime.h"
+
+////////////////////////////////////////////////////////////////////////////////
+//// nsIEHistoryEnumerator
+
+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 ? statURL.pwcsTitle : L"");
+
+ bool lastVisitTimeIsValid;
+ PRTime lastVisited = WinMigrationFileTimeToPRTime(&(statURL.ftLastVisited),
+ &lastVisitTimeIsValid);
+
+ mCachedNextEntry = do_CreateInstance("@mozilla.org/hash-property-bag;1");
+ MOZ_ASSERT(mCachedNextEntry, "Should have instanced a new property bag");
+ if (mCachedNextEntry) {
+ mCachedNextEntry->SetPropertyAsInterface(u"uri"_ns, uri);
+ mCachedNextEntry->SetPropertyAsAString(u"title"_ns, title);
+ if (lastVisitTimeIsValid) {
+ mCachedNextEntry->SetPropertyAsInt64(u"time"_ns, lastVisited);
+ }
+
+ *_retval = true;
+ }
+
+ if (statURL.pwcsTitle) ::CoTaskMemFree(statURL.pwcsTitle);
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsIEHistoryEnumerator::GetNext(nsISupports** _retval) {
+ *_retval = nullptr;
+
+ EnsureInitialized();
+ MOZ_ASSERT(mURLEnumerator,
+ "Should have instanced an IE History URLEnumerator");
+ if (!mURLEnumerator) return NS_OK;
+
+ if (!mCachedNextEntry) {
+ bool hasMore = false;
+ nsresult rv = this->HasMoreElements(&hasMore);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ if (!hasMore) {
+ return NS_ERROR_FAILURE;
+ }
+ }
+
+ NS_ADDREF(*_retval = mCachedNextEntry);
+ // Release the cached entry, so it can't be returned twice.
+ mCachedNextEntry = nullptr;
+
+ return NS_OK;
+}