Start app shim when app launched.

chrome/browser/web_applications/web_app_mac.mm

 // 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.
 
 #import "chrome/browser/web_applications/web_app_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
+#include "base/callback.h"
+#include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/mac/bundle_locations.h"
 #include "base/mac/foundation_util.h"
+#include "base/mac/launch_services_util.h"
 #include "base/mac/mac_logging.h"
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "base/memory/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/utf_string_conversions.h"
+#include "chrome/common/chrome_switches.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/web_applications/web_app_ui.h"
 #include "chrome/browser/web_applications/web_app.h"
 #include "chrome/common/chrome_paths_internal.h"
 #include "chrome/common/mac/app_mode_common.h"
 #include "content/public/browser/browser_thread.h"
 #include "grit/chromium_strings.h"
 #include "skia/ext/skia_utils_mac.h"
 #include "third_party/icon_family/IconFamily.h"
 #include "ui/base/l10n/l10n_util_mac.h"
 #include "ui/gfx/image/image_family.h"
 
@@ skipping 65 matching lines @@
   if (base::mac::GetUserDirectory(NSApplicationDirectory, &path))
     return path;
   return base::FilePath();
 }
 
 }  // namespace
 
 
 namespace web_app {
 
+const char kNoLaunchApp[] = "no-launch-app";

[tapted, 2013/05/16 04:51:00]

we can't have this in 2 places

+
 const char kChromeAppDirName[] = "Chrome Apps.localized";

[tapted, 2013/05/16 04:51:00]

this either

 
 WebAppShortcutCreator::WebAppShortcutCreator(
     const base::FilePath& user_data_dir,
     const ShellIntegration::ShortcutInfo& shortcut_info,
     const string16& chrome_bundle_id)
     : user_data_dir_(user_data_dir),
       info_(shortcut_info),
       chrome_bundle_id_(chrome_bundle_id) {
 }
 
 WebAppShortcutCreator::~WebAppShortcutCreator() {
 }
 
+base::FilePath WebAppShortcutCreator::GetShortcutPath() const {
+  base::FilePath dst_path = GetDestinationPath();
+  if (dst_path.empty())
+    return dst_path;
+
+  base::FilePath app_name = internals::GetSanitizedFileName(info_.title);
+  return dst_path.Append(app_name.ReplaceExtension("app"));
+}
+
 bool WebAppShortcutCreator::CreateShortcut() {
   base::FilePath app_name = internals::GetSanitizedFileName(info_.title);
   base::FilePath app_file_name = app_name.ReplaceExtension("app");
   base::FilePath dst_path = GetDestinationPath();
   if (dst_path.empty() || !file_util::DirectoryExists(dst_path.DirName())) {
     LOG(ERROR) << "Couldn't find an Applications directory to copy app to.";
     return false;
   }
   if (!file_util::CreateDirectory(dst_path)) {
     LOG(ERROR) << "Creating directory " << dst_path.value() << " failed.";
@@ skipping 196 matching lines @@
   file_util::Delete(bundle_path, true);
 }
 
 void UpdatePlatformShortcuts(
     const base::FilePath& web_app_path,
     const ShellIntegration::ShortcutInfo& shortcut_info) {
   // TODO(benwells): Implement this when shortcuts / weblings are enabled on
   // mac.
 }
 
+void LaunchShimOnFileThread(Profile* profile,
+                            const extensions::Extension* extension,
+                            base::Callback<void(bool)> completed) {
+  WebAppShortcutCreator shortcut_creator(
+      CommandLine::ForCurrentProcess()->
+          GetSwitchValuePath(switches::kUserDataDir),
+      web_app::ShortcutInfoForExtensionAndProfile(extension, profile),
+      UTF8ToUTF16(base::mac::BaseBundleID()));
+
+  base::FilePath shim_path = shortcut_creator.GetShortcutPath();

[tapted, 2013/05/16 04:51:00]

can this logic be merged with the logic in FindAndLaunchShimOnFileThread?

+  LOG(INFO) << "LaunchShimOnFileThread " << shim_path.value();
+  if (shim_path.empty()) {
+    content::BrowserThread::PostTask(
+        content::BrowserThread::UI, FROM_HERE, base::Bind(completed, false));
+    return;
+  }
+  CommandLine command_line(CommandLine::NO_PROGRAM);
+  command_line.AppendSwitch(kNoLaunchApp);
+  base::mac::OpenApplicationWithPath(shim_path, command_line, NULL);
+  content::BrowserThread::PostTask(
+      content::BrowserThread::UI, FROM_HERE, base::Bind(completed, true));
+}
+
+void LaunchShim(Profile* profile,
+                const extensions::Extension* extension,
+                base::Callback<void(bool)> completed) {
+  content::BrowserThread::PostTask(
+      content::BrowserThread::FILE, FROM_HERE,
+      base::Bind(&LaunchShimOnFileThread, profile, extension, completed));
+}
+
 }  // namespace internals
 
 }  // namespace web_app