Pin apps from prefs on the mash shelf.

chrome/browser/ui/ash/launcher/launcher_controller_helper.h

+// 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.
+
+#ifndef CHROME_BROWSER_UI_ASH_LAUNCHER_LAUNCHER_CONTROLLER_HELPER_H_
+#define CHROME_BROWSER_UI_ASH_LAUNCHER_LAUNCHER_CONTROLLER_HELPER_H_
+
+#include <string>
+
+#include "base/macros.h"
+#include "base/strings/string16.h"
+
+class Profile;
+
+namespace content {
+class WebContents;
+}
+
+// Assists the LauncherController with ExtensionService interaction.
+class LauncherControllerHelper {
+ public:
+  explicit LauncherControllerHelper(Profile* profile);
+  virtual ~LauncherControllerHelper();
+
+  // Helper function to return the title associated with |app_id|.
+  // Returns an empty title if no matching extension can be found.
+  static base::string16 GetAppTitle(Profile* profile,
+                                    const std::string& app_id);
+
+  // Returns the app id of the specified tab, or an empty string if there is
+  // no app. All known profiles will be queried for this.
+  virtual std::string GetAppID(content::WebContents* tab);
+
+  // Returns true if |id| is valid for the currently active profile.
+  // Used during restore to ignore no longer valid extensions.
+  // Note that already running applications are ignored by the restore process.
+  virtual bool IsValidIDForCurrentUser(const std::string& id);
+
+  // Sets the currently active profile for the usage of |GetAppID|.
+  virtual void SetCurrentUser(Profile* profile);
+
+ private:
+  Profile* profile_;
+
+  DISALLOW_COPY_AND_ASSIGN(LauncherControllerHelper);
+};
+
+#endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_LAUNCHER_CONTROLLER_HELPER_H_