1 files changed, 79 insertions, 0 deletions
diff --git a/uriloader/exthandler/win/nsOSHelperAppService.h b/uriloader/exthandler/win/nsOSHelperAppService.h
new file mode 100644
index 0000000000..0b5cbc21e5
--- /dev/null
+++ b/uriloader/exthandler/win/nsOSHelperAppService.h
@@ -0,0 +1,79 @@
+/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * 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/. */
+
+#ifndef nsOSHelperAppService_h__
+#define nsOSHelperAppService_h__
+
+// The OS helper app service is a subclass of nsExternalHelperAppService and is
+// implemented on each platform. It contains platform specific code for finding
+// helper applications for a given mime type in addition to launching those
+// applications.
+
+#include "nsExternalHelperAppService.h"
+#include "nsCExternalHandlerService.h"
+#include "nsCOMPtr.h"
+#include <windows.h>
+
+#ifdef _WIN32_WINNT
+#  undef _WIN32_WINNT
+#endif
+#define _WIN32_WINNT 0x0600
+#include <shlobj.h>
+
+class nsMIMEInfoWin;
+class nsIMIMEInfo;
+
+class nsOSHelperAppService : public nsExternalHelperAppService {
+ public:
+  nsOSHelperAppService();
+  virtual ~nsOSHelperAppService();
+
+  // override nsIExternalProtocolService methods
+  NS_IMETHOD OSProtocolHandlerExists(const char* aProtocolScheme,
+                                     bool* aHandlerExists) override;
+  nsresult LoadUriInternal(nsIURI* aURL);
+  NS_IMETHOD GetApplicationDescription(const nsACString& aScheme,
+                                       nsAString& _retval) override;
+
+  NS_IMETHOD IsCurrentAppOSDefaultForProtocol(const nsACString& aScheme,
+                                              bool* _retval) override;
+
+  // method overrides for windows registry look up steps....
+  NS_IMETHOD GetMIMEInfoFromOS(const nsACString& aMIMEType,
+                               const nsACString& aFileExt, bool* aFound,
+                               nsIMIMEInfo** aMIMEInfo) override;
+  NS_IMETHOD GetProtocolHandlerInfoFromOS(const nsACString& aScheme,
+                                          bool* found,
+                                          nsIHandlerInfo** _retval);
+  virtual bool GetMIMETypeFromOSForExtension(const nsACString& aExtension,
+                                             nsACString& aMIMEType) override;
+
+  /** Get the string value of a registry value and store it in result.
+   * @return true on success, false on failure
+   */
+  static bool GetValueString(HKEY hKey, const char16_t* pValueName,
+                             nsAString& result);
+
+ protected:
+  nsresult GetDefaultAppInfo(const nsAString& aTypeName,
+                             nsAString& aDefaultDescription,
+                             nsIFile** aDefaultApplication);
+  // Lookup a mime info by extension, using an optional type hint
+  already_AddRefed<nsMIMEInfoWin> GetByExtension(
+      const nsString& aFileExt, const char* aTypeHint = nullptr);
+  nsresult FindOSMimeInfoForType(const char* aMimeContentType, nsIURI* aURI,
+                                 char** aFileExtension,
+                                 nsIMIMEInfo** aMIMEInfo);
+
+  static nsresult GetMIMEInfoFromRegistry(const nsString& fileType,
+                                          nsIMIMEInfo* pInfo);
+  /// Looks up the type for the extension aExt and compares it to aType
+  static bool typeFromExtEquals(const char16_t* aExt, const char* aType);
+
+ private:
+  IApplicationAssociationRegistration* mAppAssoc;
+};
+
+#endif  // nsOSHelperAppService_h__