1 files changed, 109 insertions, 0 deletions
diff --git a/uriloader/exthandler/unix/nsGNOMERegistry.cpp b/uriloader/exthandler/unix/nsGNOMERegistry.cpp
new file mode 100644
index 000000000..bf71ae913
--- /dev/null
+++ b/uriloader/exthandler/unix/nsGNOMERegistry.cpp
@@ -0,0 +1,109 @@
+/* -*- Mode: C++; tab-width: 2; 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/. */
+
+#include "nsGNOMERegistry.h"
+#include "nsString.h"
+#include "nsIComponentManager.h"
+#include "nsMIMEInfoUnix.h"
+#include "nsAutoPtr.h"
+#include "nsIGIOService.h"
+
+/* static */ bool
+nsGNOMERegistry::HandlerExists(const char *aProtocolScheme)
+{
+  nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
+  if (!giovfs) {
+    return false;
+  }
+
+  nsCOMPtr<nsIGIOMimeApp> app;
+  return NS_SUCCEEDED(giovfs->GetAppForURIScheme(nsDependentCString(aProtocolScheme),
+                                                 getter_AddRefs(app)));
+}
+
+// XXX Check HandlerExists() before calling LoadURL.
+
+/* static */ nsresult
+nsGNOMERegistry::LoadURL(nsIURI *aURL)
+{
+  nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
+  if (!giovfs) {
+    return NS_ERROR_FAILURE;
+  }
+
+  return giovfs->ShowURI(aURL);
+}
+
+/* static */ void
+nsGNOMERegistry::GetAppDescForScheme(const nsACString& aScheme,
+                                     nsAString& aDesc)
+{
+  nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
+  if (!giovfs)
+    return;
+
+  nsAutoCString name;
+  nsCOMPtr<nsIGIOMimeApp> app;
+  if (NS_FAILED(giovfs->GetAppForURIScheme(aScheme, getter_AddRefs(app))))
+    return;
+
+  app->GetName(name);
+
+  CopyUTF8toUTF16(name, aDesc);
+}
+
+
+/* static */ already_AddRefed<nsMIMEInfoBase>
+nsGNOMERegistry::GetFromExtension(const nsACString& aFileExt)
+{
+  nsAutoCString mimeType;
+  nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
+  if (!giovfs) {
+    return nullptr;
+  }
+
+  // Get the MIME type from the extension, then call GetFromType to
+  // fill in the MIMEInfo.
+  if (NS_FAILED(giovfs->GetMimeTypeFromExtension(aFileExt, mimeType)) ||
+      mimeType.EqualsLiteral("application/octet-stream")) {
+    return nullptr;
+  }
+
+  RefPtr<nsMIMEInfoBase> mi = GetFromType(mimeType);
+  if (mi) {
+    mi->AppendExtension(aFileExt);
+  }
+
+  return mi.forget();
+}
+
+/* static */ already_AddRefed<nsMIMEInfoBase>
+nsGNOMERegistry::GetFromType(const nsACString& aMIMEType)
+{
+  RefPtr<nsMIMEInfoUnix> mimeInfo = new nsMIMEInfoUnix(aMIMEType);
+  NS_ENSURE_TRUE(mimeInfo, nullptr);
+
+  nsAutoCString name;
+  nsAutoCString description;
+
+  nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
+  if (!giovfs) {
+    return nullptr;
+  }
+
+  nsCOMPtr<nsIGIOMimeApp> gioHandlerApp;
+  if (NS_FAILED(giovfs->GetAppForMimeType(aMIMEType, getter_AddRefs(gioHandlerApp))) ||
+      !gioHandlerApp) {
+    return nullptr;
+  }
+  gioHandlerApp->GetName(name);
+  giovfs->GetDescriptionForMimeType(aMIMEType, description);
+
+  mimeInfo->SetDefaultDescription(NS_ConvertUTF8toUTF16(name));
+  mimeInfo->SetPreferredAction(nsIMIMEInfo::useSystemDefault);
+  mimeInfo->SetDescription(NS_ConvertUTF8toUTF16(description));
+
+  return mimeInfo.forget();
+}