1 files changed, 60 insertions, 0 deletions
diff --git a/win8/metro_driver/winrt_utils.h b/win8/metro_driver/winrt_utils.h
new file mode 100644
index 0000000..28f1ead
--- /dev/null
+++ b/win8/metro_driver/winrt_utils.h
@@ -0,0 +1,60 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_UI_METRO_DRIVER_WINRT_UTILS_H_
+#define CHROME_BROWSER_UI_METRO_DRIVER_WINRT_UTILS_H_
+
+#include <string>
+
+#include <roapi.h>
+#include <windows.applicationmodel.core.h>
+
+#include "base/string16.h"
+
+void CheckHR(HRESULT hr, const char* str = nullptr);
+
+HSTRING MakeHString(const string16& str);
+
+string16 MakeStdWString(HSTRING hstring);
+
+namespace winrt_utils {
+
+template<unsigned int size, typename T>
+HRESULT CreateActivationFactory(wchar_t const (&class_name)[size], T** object) {
+  mswrw::HStringReference ref_class_name(class_name);
+  return winfoundtn::GetActivationFactory(ref_class_name.Get(), object);
+}
+
+#define DECLARE_CREATE_PROPERTY(Name, Type) \
+HRESULT Create ## Name ## Property( \
+    Type value, \
+    winfoundtn::IPropertyValue** prop);
+
+DECLARE_CREATE_PROPERTY(String, HSTRING);
+DECLARE_CREATE_PROPERTY(Int16, INT16);
+DECLARE_CREATE_PROPERTY(Int32, INT32);
+DECLARE_CREATE_PROPERTY(Int64, INT64);
+DECLARE_CREATE_PROPERTY(UInt8, UINT8);
+DECLARE_CREATE_PROPERTY(UInt16, UINT16);
+DECLARE_CREATE_PROPERTY(UInt32, UINT32);
+DECLARE_CREATE_PROPERTY(UInt64, UINT64);
+
+// Compares |lhs| with |rhs| and return the |result| as
+// WindowsCompareStringOrdinal would do, i.e.,
+// -1 if |lhs| is less than |rhs|, 0 if they are equal, and
+// +1 if |lhs| is greater than |rhs|.
+HRESULT CompareProperties(
+    winfoundtn::IPropertyValue* lhs, winfoundtn::IPropertyValue* rhs,
+    INT32* result);
+
+// Looks for a pinned taskbar shortcut in the current user's profile. If it
+// finds one, will return any arguments that have been appended to the
+// shortcut's command line. This is intended for scenarios where those shortcut
+// parameters are ordinarily ignored (i.e. metro apps on win8). Returns an
+// empty string on failure.
+string16 ReadArgumentsFromPinnedTaskbarShortcut();
+
+}  // namespace winrt_utils
+
+#endif  // CHROME_BROWSER_UI_METRO_DRIVER_WINRT_UTILS_H_