import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

uriloader/exthandler/gonk/nsOSHelperAppService.cpp

@@ -0,0 +1,56 @@
+/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- */
+/* Copyright 2012 Mozilla Foundation and Mozilla contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nsOSHelperAppService.h"
+#include "nsMIMEInfoImpl.h"
+
+class nsGonkMIMEInfo : public nsMIMEInfoImpl {
+public:
+    nsGonkMIMEInfo(const nsACString& aMIMEType) : nsMIMEInfoImpl(aMIMEType) { }
+
+protected:
+    virtual nsresult LoadUriInternal(nsIURI *aURI) {
+        return NS_ERROR_NOT_IMPLEMENTED;
+    }
+};
+
+nsOSHelperAppService::nsOSHelperAppService() : nsExternalHelperAppService()
+{
+}
+
+nsOSHelperAppService::~nsOSHelperAppService()
+{
+}
+
+already_AddRefed<nsIMIMEInfo>
+nsOSHelperAppService::GetMIMEInfoFromOS(const nsACString& aMIMEType,
+                                        const nsACString& aFileExt,
+                                        bool* aFound)
+{
+    *aFound = false;
+    // Even if we return false for aFound, we need to return a working
+    // nsIMIMEInfo implementation that will be used by the caller.
+    RefPtr<nsGonkMIMEInfo> mimeInfo = new nsGonkMIMEInfo(aMIMEType);
+    return mimeInfo.forget();
+}
+
+nsresult
+nsOSHelperAppService::OSProtocolHandlerExists(const char* aScheme,
+                                              bool* aExists)
+{
+    *aExists = false;
+    return NS_OK;
+}