[Chromoting] Adding the desktop integration binary to the host installation on Windows.

remoting/host/desktop_process.cc

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// This file implements the Windows service controlling Me2Me host processes
+// running within user sessions.
+
+#include "remoting/host/desktop_process.h"
+
+#include "base/at_exit.h"
+#include "base/command_line.h"
+#include "base/file_path.h"
+#include "base/logging.h"
+#include "base/scoped_native_library.h"
+#include "base/stringprintf.h"
+#include "base/utf_string_conversions.h"
+#include "base/win/windows_version.h"
+#include "remoting/host/branding.h"
+#include "remoting/host/constants.h"
+#include "remoting/host/usage_stats_consent.h"
+
+#if defined(OS_MACOSX)
+#include "base/mac/scoped_nsautorelease_pool.h"
+#endif  // defined(OS_MACOSX)
+
+#if defined(OS_WIN)
+#include <commctrl.h>
+#endif  // defined(OS_WIN)
+
+namespace {
+
+// "--help" or "--?" prints the usage message.
+const char kHelpSwitchName[] = "help";
+const char kQuestionSwitchName[] = "?";
+
+const wchar_t kUsageMessage[] =
+  L"\n"
+  L"Usage: %ls [options]\n"
+  L"\n"
+  L"Options:\n"
+  L"  --help, --?     - Print this message.\n";
+
+void usage(const FilePath& program_name) {
+  LOG(INFO) << StringPrintf(kUsageMessage,
+                            UTF16ToWide(program_name.value()).c_str());
+}
+
+}  // namespace
+
+namespace remoting {
+
+DesktopProcess::DesktopProcess() {
+}
+
+DesktopProcess::~DesktopProcess() {
+}
+
+int DesktopProcess::Run() {
+  NOTIMPLEMENTED();
+  return 0;
+}
+
+} // namespace remoting
+
+int main(int argc, char** argv) {
+#if defined(OS_MACOSX)
+  // Needed so we don't leak objects when threads are created.
+  base::mac::ScopedNSAutoreleasePool pool;
+#endif
+
+  CommandLine::Init(argc, argv);
+
+  // This object instance is required by Chrome code (for example,
+  // LazyInstance, MessageLoop).
+  base::AtExitManager exit_manager;
+
+  // Initialize logging with an appropriate log-file location, and default to
+  // log to that on Windows, or to standard error output otherwise.
+  FilePath debug_log = remoting::GetConfigDir().
+      Append(FILE_PATH_LITERAL("debug.log"));
+  InitLogging(debug_log.value().c_str(),
+#if defined(OS_WIN)
+              logging::LOG_ONLY_TO_FILE,
+#else
+              logging::LOG_ONLY_TO_SYSTEM_DEBUG_LOG,
+#endif
+              logging::DONT_LOCK_LOG_FILE,
+              logging::APPEND_TO_OLD_LOG_FILE,
+              logging::DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS);
+
+  const CommandLine* command_line = CommandLine::ForCurrentProcess();
+  if (command_line->HasSwitch(kHelpSwitchName) ||
+      command_line->HasSwitch(kQuestionSwitchName)) {
+    usage(command_line->GetProgram());
+    return remoting::kSuccessExitCode;
+  }
+
+  remoting::DesktopProcess desktop_process;
+  return desktop_process.Run();
+}
+
+#if defined(OS_WIN)
+
+int CALLBACK WinMain(HINSTANCE instance,
+                     HINSTANCE previous_instance,
+                     LPSTR raw_command_line,
+                     int show_command) {
+#ifdef OFFICIAL_BUILD
+  if (remoting::IsUsageStatsAllowed()) {
+    remoting::InitializeCrashReporting();
+  }
+#endif  // OFFICIAL_BUILD
+
+  // Register and initialize common controls.
+  INITCOMMONCONTROLSEX info;
+  info.dwSize = sizeof(info);
+  info.dwICC = ICC_STANDARD_CLASSES;
+  InitCommonControlsEx(&info);
+
+  // Mark the process as DPI-aware, so Windows won't scale coordinates in APIs.
+  // N.B. This API exists on Vista and above.
+  if (base::win::GetVersion() >= base::win::VERSION_VISTA) {
+    FilePath path(base::GetNativeLibraryName(UTF8ToUTF16("user32")));
+    base::ScopedNativeLibrary user32(path);
+    CHECK(user32.is_valid());
+
+    typedef BOOL (WINAPI * SetProcessDPIAwareFn)();
+    SetProcessDPIAwareFn set_process_dpi_aware =
+        static_cast<SetProcessDPIAwareFn>(
+            user32.GetFunctionPointer("SetProcessDPIAware"));
+    set_process_dpi_aware();
+  }
+
+  // CommandLine::Init() ignores the passed |argc| and |argv| on Windows getting
+  // the command line from GetCommandLineW(), so we can safely pass NULL here.
+  return main(0, NULL);
+}
+
+#endif  // defined(OS_WIN)