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-rw-r--r--toolkit/components/remote/WinRemoteMessage.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/toolkit/components/remote/WinRemoteMessage.h b/toolkit/components/remote/WinRemoteMessage.h
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+++ b/toolkit/components/remote/WinRemoteMessage.h
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+/* -*- 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/. */
+
+#ifndef __WinRemoteMessage_h__
+#define __WinRemoteMessage_h__
+
+#include <windows.h>
+
+#include "nsICommandLineRunner.h"
+#include "nsCOMPtr.h"
+#include "nsString.h"
+
+// This version defines the format of COPYDATASTRUCT::lpData in a message of
+// WM_COPYDATA.
+// Always use the latest version for production use because the older versions
+// have a bug that a non-ascii character in a utf-8 message cannot be parsed
+// correctly (bug 1650637). We keep the older versions for backward
+// compatibility and the testing purpose only.
+enum class WinRemoteMessageVersion : uint32_t {
+ // "<CommandLine>\0" in utf8
+ CommandLineOnly = 0,
+ // "<CommandLine>\0<WorkingDir>\0" in utf8
+ CommandLineAndWorkingDir,
+ // L"<CommandLine>\0<WorkingDir>\0" in utf16
+ CommandLineAndWorkingDirInUtf16,
+};
+
+class WinRemoteMessageSender final {
+ COPYDATASTRUCT mData;
+ nsAutoString mUtf16Buffer;
+ nsAutoCString mUtf8Buffer;
+
+ public:
+ WinRemoteMessageSender(const wchar_t* aCommandLine,
+ const wchar_t* aWorkingDir);
+
+ WinRemoteMessageSender(const WinRemoteMessageSender&) = delete;
+ WinRemoteMessageSender(WinRemoteMessageSender&&) = delete;
+ WinRemoteMessageSender& operator=(const WinRemoteMessageSender&) = delete;
+ WinRemoteMessageSender& operator=(WinRemoteMessageSender&&) = delete;
+
+ COPYDATASTRUCT* CopyData();
+
+ // Constructors for the old formats. Testing purpose only.
+ explicit WinRemoteMessageSender(const char* aCommandLine);
+ WinRemoteMessageSender(const char* aCommandLine, const char* aWorkingDir);
+};
+
+class WinRemoteMessageReceiver final {
+ nsCOMPtr<nsICommandLineRunner> mCommandLine;
+
+ nsresult ParseV0(const nsACString& aBuffer);
+ nsresult ParseV1(const nsACString& aBuffer);
+ nsresult ParseV2(const nsAString& aBuffer);
+
+ public:
+ WinRemoteMessageReceiver() = default;
+ WinRemoteMessageReceiver(const WinRemoteMessageReceiver&) = delete;
+ WinRemoteMessageReceiver(WinRemoteMessageReceiver&&) = delete;
+ WinRemoteMessageReceiver& operator=(const WinRemoteMessageReceiver&) = delete;
+ WinRemoteMessageReceiver& operator=(WinRemoteMessageReceiver&&) = delete;
+
+ nsresult Parse(const COPYDATASTRUCT* aMessageData);
+ nsICommandLineRunner* CommandLineRunner();
+};
+
+#endif // __WinRemoteMessage_h__