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-rw-r--r--mailnews/compose/src/nsMsgComposeContentHandler.cpp125
1 files changed, 125 insertions, 0 deletions
diff --git a/mailnews/compose/src/nsMsgComposeContentHandler.cpp b/mailnews/compose/src/nsMsgComposeContentHandler.cpp
new file mode 100644
index 000000000..cc52bcb67
--- /dev/null
+++ b/mailnews/compose/src/nsMsgComposeContentHandler.cpp
@@ -0,0 +1,125 @@
+/* -*- 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 "nsMsgComposeContentHandler.h"
+#include "nsMsgComposeService.h"
+#include "nsMsgBaseCID.h"
+#include "nsMsgCompCID.h"
+#include "nsIChannel.h"
+#include "nsIURI.h"
+#include "plstr.h"
+#include "nsServiceManagerUtils.h"
+#include "nsCOMPtr.h"
+#include "nsPIDOMWindow.h"
+#include "mozIDOMWindow.h"
+#include "nsIDocument.h"
+#include "nsIDOMDocument.h"
+#include "nsIInterfaceRequestor.h"
+#include "nsIInterfaceRequestorUtils.h"
+#include "nsIMsgMailNewsUrl.h"
+#include "nsNetUtil.h"
+#include "nsIMsgFolder.h"
+#include "nsIMsgIncomingServer.h"
+#include "nsIMsgAccountManager.h"
+
+static NS_DEFINE_CID(kMsgComposeServiceCID, NS_MSGCOMPOSESERVICE_CID);
+
+nsMsgComposeContentHandler::nsMsgComposeContentHandler()
+{
+}
+
+// The following macro actually implement addref, release and query interface
+// for our component.
+NS_IMPL_ISUPPORTS(nsMsgComposeContentHandler, nsIContentHandler)
+
+nsMsgComposeContentHandler::~nsMsgComposeContentHandler()
+{
+}
+
+// Try to get an appropriate nsIMsgIdentity by going through the window, getting
+// the document's URI, then the corresponding nsIMsgDBHdr. Then find the server
+// associated with that header and get the first identity for it.
+nsresult nsMsgComposeContentHandler::GetBestIdentity(
+ nsIInterfaceRequestor* aWindowContext, nsIMsgIdentity **aIdentity)
+{
+ nsresult rv;
+
+ nsCOMPtr<mozIDOMWindowProxy> domWindow = do_GetInterface(aWindowContext);
+ NS_ENSURE_TRUE(domWindow, NS_ERROR_FAILURE);
+ nsCOMPtr<nsPIDOMWindowOuter> window = nsPIDOMWindowOuter::From(domWindow);
+
+ nsAutoString documentURIString;
+ rv = window->GetDoc()->GetDocumentURI(documentURIString);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ nsCOMPtr<nsIURI> documentURI;
+ rv = NS_NewURI(getter_AddRefs(documentURI), documentURIString);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ nsCOMPtr<nsIMsgMessageUrl> msgURI = do_QueryInterface(documentURI);
+ if (!msgURI)
+ return NS_ERROR_FAILURE;
+
+ nsCOMPtr<nsIMsgDBHdr> msgHdr;
+ rv = msgURI->GetMessageHeader(getter_AddRefs(msgHdr));
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ nsCOMPtr<nsIMsgFolder> folder;
+ rv = msgHdr->GetFolder(getter_AddRefs(folder));
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // nsIMsgDBHdrs from .eml messages have a null folder, so bail out if that's
+ // the case.
+ if (!folder)
+ return NS_ERROR_FAILURE;
+
+ nsCOMPtr<nsIMsgIncomingServer> server;
+ rv = folder->GetServer(getter_AddRefs(server));
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ nsCOMPtr<nsIMsgAccountManager> accountManager = do_GetService(
+ NS_MSGACCOUNTMANAGER_CONTRACTID, &rv);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ rv = accountManager->GetFirstIdentityForServer(server, aIdentity);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ return rv;
+}
+
+NS_IMETHODIMP nsMsgComposeContentHandler::HandleContent(const char * aContentType,
+ nsIInterfaceRequestor* aWindowContext, nsIRequest *request)
+{
+ nsresult rv = NS_OK;
+ if (!request)
+ return NS_ERROR_NULL_POINTER;
+
+ // First of all, get the content type and make sure it is a content type we
+ // know how to handle!
+ if (PL_strcasecmp(aContentType, "application/x-mailto") == 0) {
+ nsCOMPtr<nsIMsgIdentity> identity;
+
+ if (aWindowContext)
+ GetBestIdentity(aWindowContext, getter_AddRefs(identity));
+
+ nsCOMPtr<nsIURI> aUri;
+ nsCOMPtr<nsIChannel> aChannel = do_QueryInterface(request);
+ if(!aChannel) return NS_ERROR_FAILURE;
+
+ rv = aChannel->GetURI(getter_AddRefs(aUri));
+ if (aUri)
+ {
+ nsCOMPtr<nsIMsgComposeService> composeService =
+ do_GetService(kMsgComposeServiceCID, &rv);
+ if (NS_SUCCEEDED(rv))
+ rv = composeService->OpenComposeWindowWithURI(nullptr, aUri, identity);
+ }
+ } else {
+ // The content-type was not application/x-mailto...
+ return NS_ERROR_WONT_HANDLE_CONTENT;
+ }
+
+ return rv;
+}