Move LaunchType out of ExtensionPrefs.

chrome/browser/extensions/launch_util.h

+// Copyright (c) 2013 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.
+
+#ifndef CHROME_BROWSER_EXTENSIONS_LAUNCH_UTIL_H_
+#define CHROME_BROWSER_EXTENSIONS_LAUNCH_UTIL_H_
+
+#include <string>
+
+#include "extensions/common/constants.h"
+
+namespace extensions {
+
+class Extension;
+class ExtensionPrefs;
+
+// This enum is used for the launch type the user wants to use for an
+// application.
+// Do not remove items or re-order this enum as it is used in preferences
+// and histograms.
+enum LaunchType {
+  LAUNCH_TYPE_PINNED,
+  LAUNCH_TYPE_REGULAR,
+  LAUNCH_TYPE_FULLSCREEN,
+  LAUNCH_TYPE_WINDOW,
+
+  // Launch an app in the in the way a click on the NTP would,
+  // if no user pref were set.  Update this constant to change
+  // the default for the NTP and chrome.management.launchApp().
+  LAUNCH_TYPE_DEFAULT = LAUNCH_TYPE_REGULAR
+};
+
+// Gets the launch type preference. If no preference is set, returns
+// LAUNCH_DEFAULT.
+// Returns LAUNCH_WINDOW if there's no preference and
+// 'streamlined hosted apps' are enabled.
+LaunchType GetLaunchType(const ExtensionPrefs* prefs,
+                         const Extension* extension);
+
+// Sets an extension's launch type preference.
+void SetLaunchType(ExtensionPrefs* prefs,
+                   const std::string& extension_id,
+                   LaunchType launch_type);
+
+// Finds the right launch container based on the launch type.
+// If |extension|'s prefs do not have a launch type set, then the default
+// value from GetLaunchType() is used to choose the launch container.
+LaunchContainer GetLaunchContainer(const ExtensionPrefs* prefs,
+                                   const Extension* extension);
+
+// Returns true if a launch container preference has been specified for
+// |extension|. GetLaunchContainer() will still return a default value even if
+// this returns false.
+bool HasPreferredLaunchContainer(const ExtensionPrefs* prefs,
+                                 const Extension* extension);
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_LAUNCH_UTIL_H_