Add user customizable launch type for apps.

chrome/browser/extensions/extension_prefs.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_H_
 #pragma once
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/linked_ptr.h"
 #include "base/time.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/common/extensions/extension.h"
 #include "googleurl/src/gurl.h"
 
 // Class for managing global and per-extension preferences.
 // This class is instantiated by ExtensionsService, so it should be accessed
 // from there.
 class ExtensionPrefs {
  public:
+  // Key name for a preference that keeps track of per-extension settings. This
+  // is a dictionary object read from the Preferences file, keyed off of
+  // extension ids.
+  static const char kExtensionsPref[];
+
   typedef std::vector<linked_ptr<ExtensionInfo> > ExtensionsInfo;
 
+  // This enum is used for the launch type the user wants to use for an
+  // application.
+  enum LaunchType {
+    LAUNCH_PINNED,
+    LAUNCH_REGULAR,
+    LAUNCH_FULLSCREEN
+  };
+
   explicit ExtensionPrefs(PrefService* prefs, const FilePath& root_dir_);
 
   // Returns a copy of the Extensions prefs.
   // TODO(erikkay) Remove this so that external consumers don't need to be
   // aware of the internal structure of the preferences.
   DictionaryValue* CopyCurrentExtensions();
 
   // Populate |killed_ids| with extension ids that have been killed.
   void GetKilledExtensionIds(std::set<std::string>* killed_ids);
 
@@ skipping 73 matching lines @@
   // Returns true if the user enabled this extension to be loaded in incognito
   // mode.
   bool IsIncognitoEnabled(const std::string& extension_id);
   void SetIsIncognitoEnabled(const std::string& extension_id, bool enabled);
 
   // Returns true if the user has chosen to allow this extension to inject
   // scripts into pages with file URLs.
   bool AllowFileAccess(const std::string& extension_id);
   void SetAllowFileAccess(const std::string& extension_id, bool allow);
 
+  ExtensionPrefs::LaunchType GetLaunchType(const std::string& extension_id);
+  void SetLaunchType(const std::string& extension_id, LaunchType launch_type);
+
   // Saves ExtensionInfo for each installed extension with the path to the
   // version directory and the location. Blacklisted extensions won't be saved
   // and neither will external extensions the user has explicitly uninstalled.
   // Caller takes ownership of returned structure.
   ExtensionsInfo* GetInstalledExtensionsInfo();
 
   // Returns the ExtensionInfo from the prefs for the given extension. If the
   // extension is not present, NULL is returned.
   ExtensionInfo* GetInstalledExtensionInfo(const std::string& extension_id);
 
@@ skipping 49 matching lines @@
   void DeleteExtensionPrefs(const std::string& id);
 
   // Reads a boolean pref from |ext| with key |pref_key|.
   // Return false if the value is false or kPrefBlacklist does not exist.
   bool ReadBooleanFromPref(DictionaryValue* ext, const std::string& pref_key);
 
   // Reads a boolean pref |pref_key| from extension with id |extension_id|.
   bool ReadExtensionPrefBoolean(const std::string& extension_id,
                                 const std::string& pref_key);
 
+  // Reads an integer pref from |ext| with key |pref_key|.
+  // Return false if the value does not exist.
+  bool ReadIntegerFromPref(DictionaryValue* ext, const std::string& pref_key,
+                           int* out_value);
+
+  // Reads an integer pref |pref_key| from extension with id |extension_id|.
+  bool ReadExtensionPrefInteger(const std::string& extension_id,
+                                const std::string& pref_key,
+                                int* out_value);
+
   // Ensures and returns a mutable dictionary for extension |id|'s prefs.
   DictionaryValue* GetOrCreateExtensionPref(const std::string& id);
 
   // Same as above, but returns NULL if it doesn't exist.
   DictionaryValue* GetExtensionPref(const std::string& id) const;
 
+  // Serializes the data and schedules a persistent save via the |PrefService|.
+  // Additionally fires a PREF_CHANGED notification with the top-level
+  // |kExtensionsPref| path set.
+  // TODO(andybons): Switch this to EXTENSION_PREF_CHANGED to be more granular.
+  // TODO(andybons): Use a ScopedPrefUpdate to update observers on changes to
+  // the mutable extension dictionary.
+  void SavePrefsAndNotify();
+
   // Checks if kPrefBlacklist is set to true in the DictionaryValue.
   // Return false if the value is false or kPrefBlacklist does not exist.
   // This is used to decide if an extension is blacklisted.
   bool IsBlacklistBitSet(DictionaryValue* ext);
 
   // Helper methods for the public last ping day functions.
   base::Time LastPingDayImpl(const DictionaryValue* dictionary) const;
   void SetLastPingDayImpl(const base::Time& time, DictionaryValue* dictionary);
 
   // The pref service specific to this set of extension prefs.
   PrefService* prefs_;
 
   // Base extensions install directory.
   FilePath install_directory_;
 
   // The URLs of all of the toolstrips.
   URLList shelf_order_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionPrefs);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_H_