Fix crash on app list start page contents not existing.
[chromium-blink-merge.git] / extensions / common / permissions / settings_override_permission.h
blob5084e376ea1d50898afbe61120da3f8493172449
1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef EXTENSIONS_COMMON_PERMISSIONS_SETTINGS_OVERRIDE_PERMISSION_H_
6 #define EXTENSIONS_COMMON_PERMISSIONS_SETTINGS_OVERRIDE_PERMISSION_H_
8 #include <string>
10 #include "extensions/common/permissions/api_permission.h"
12 namespace extensions {
14 // Takes care of creating custom permission messages for extensions that
15 // override settings.
16 class SettingsOverrideAPIPermission : public APIPermission {
17 public:
18 SettingsOverrideAPIPermission(const APIPermissionInfo* permission,
19 const std::string& setting_value);
20 ~SettingsOverrideAPIPermission() override;
22 // APIPermission overrides.
23 PermissionIDSet GetPermissions() const override;
24 bool HasMessages() const override;
25 PermissionMessages GetMessages() const override;
26 bool Check(const APIPermission::CheckParam* param) const override;
27 bool Contains(const APIPermission* rhs) const override;
28 bool Equal(const APIPermission* rhs) const override;
29 bool FromValue(const base::Value* value,
30 std::string* error,
31 std::vector<std::string>* unhandled_permissions) override;
32 scoped_ptr<base::Value> ToValue() const override;
33 APIPermission* Clone() const override;
34 APIPermission* Diff(const APIPermission* rhs) const override;
35 APIPermission* Union(const APIPermission* rhs) const override;
36 APIPermission* Intersect(const APIPermission* rhs) const override;
37 void Write(IPC::Message* m) const override;
38 bool Read(const IPC::Message* m, PickleIterator* iter) override;
39 void Log(std::string* log) const override;
41 private:
42 std::string setting_value_;
45 } // namespace extensions
47 #endif // EXTENSIONS_COMMON_PERMISSIONS_SETTINGS_OVERRIDE_PERMISSION_H_