Mac: app mode loader (shim).

Define an interface using which Chrome can be loaded from a minimal loader.
Produce a binary for this loader (which can be put into a bundle).

BUG=13148
TEST=not yet

Review URL: http://codereview.chromium.org/2066004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@47576 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 56 insertions, 0 deletions

diff --git a/chrome/app/chrome_dll_app_mode_mac.mm b/chrome/app/chrome_dll_app_mode_mac.mm
new file mode 100644
index 0000000..678547d
--- /dev/null
+++ b/chrome/app/chrome_dll_app_mode_mac.mm
@@ -0,0 +1,56 @@
+// Copyright (c) 2010 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.
+
+// On Mac, one can't make shortcuts with command-line arguments. Instead, we
+// produce small app bundles which locate the Chromium framework and load it,
+// passing the appropriate data. This is the entry point into the framework for
+// those app bundles.
+
+#include <string>  // TODO(viettrungluu): only needed for temporary hack
+
+#include "base/basictypes.h"
+#include "base/file_path.h"
+#include "base/logging.h"
+#include "chrome/common/app_mode_common_mac.h"
+#include "chrome/common/chrome_paths_internal.h"
+
+extern "C" {
+
+// |ChromeAppModeStart()| is the point of entry into the framework from the app
+// mode loader.
+__attribute__((visibility("default")))
+int ChromeAppModeStart(const app_mode::ChromeAppModeInfo* info);
+
+// TODO(viettrungluu): put this in a header file somewhere.
+int ChromeMain(int argc, char** argv);
+
+}  // extern "C"
+
+int ChromeAppModeStart(const app_mode::ChromeAppModeInfo* info) {
+  if (info->major_version < app_mode::kCurrentChromeAppModeInfoMajorVersion) {
+    RAW_LOG(ERROR, "App Mode Loader too old.");
+    return 1;
+  }
+  if (info->major_version > app_mode::kCurrentChromeAppModeInfoMajorVersion) {
+    RAW_LOG(ERROR, "Browser Framework too old to load App Shortcut.");
+    return 1;
+  }
+
+  RAW_CHECK(info->chrome_versioned_path);
+  FilePath* chrome_versioned_path = new FilePath(info->chrome_versioned_path);
+  RAW_CHECK(!chrome_versioned_path->empty());
+  chrome::SetOverrideVersionedDirectory(chrome_versioned_path);
+
+  // TODO(viettrungluu): do something intelligent with data
+//  return ChromeMain(info->argc, info->argv);
+  // For now, a cheesy hack instead.
+  RAW_CHECK(info->app_mode_url);
+  std::string argv1(std::string("--app=") + info->app_mode_url);
+  RAW_CHECK(info->app_mode_id);
+  std::string argv2(std::string("--user-data-dir=/tmp/") + info->app_mode_id);
+  char* argv[] = { info->argv[0],
+                   const_cast<char*>(argv1.c_str()),
+                   const_cast<char*>(argv2.c_str()) };
+  return ChromeMain(static_cast<int>(arraysize(argv)), argv);
+}