Index: services/preferences/public/cpp/pref_store_impl.h |
diff --git a/services/preferences/public/cpp/pref_store_impl.h b/services/preferences/public/cpp/pref_store_impl.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..b93c83dd7a8de25d455252644f4945d74a964cdd |
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+++ b/services/preferences/public/cpp/pref_store_impl.h |
@@ -0,0 +1,63 @@ |
+// Copyright 2017 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 SERVICES_PREFERENCES_PUBLIC_CPP_PREF_STORE_IMPL_H_ |
+#define SERVICES_PREFERENCES_PUBLIC_CPP_PREF_STORE_IMPL_H_ |
+ |
+#include <vector> |
+ |
+#include "base/macros.h" |
+#include "base/memory/ref_counted.h" |
+#include "components/prefs/pref_store.h" |
+#include "components/prefs/pref_value_store.h" |
+#include "mojo/public/cpp/bindings/binding.h" |
+#include "services/preferences/public/interfaces/preferences.mojom.h" |
+ |
+namespace prefs { |
+ |
+// Wraps an actual PrefStore implementation and exposes it as a |
+// mojom::PrefStore interface. |
+class PrefStoreImpl : public ::PrefStore::Observer, public mojom::PrefStore { |
+ public: |
+ // The created instance is registered in and owned by the |
+ // |mojom::PrefStoreRegistry|. |
+ static std::unique_ptr<PrefStoreImpl> Create( |
Sam McNally
2017/03/03 03:47:58
Methods after destructors.
tibell
2017/03/07 00:52:52
Done.
|
+ mojom::PrefStoreRegistryPtr registry_ptr, |
+ scoped_refptr<::PrefStore> pref_store, |
+ PrefValueStore::PrefStoreType type); |
+ |
+ PrefStoreImpl(scoped_refptr<::PrefStore> pref_store, |
+ mojom::PrefStoreRequest request); |
+ ~PrefStoreImpl() override; |
+ |
+ private: |
+ // PrefStore::Observer: |
+ void OnPrefValueChanged(const std::string& key) override; |
+ void OnInitializationCompleted(bool succeeded) override; |
+ |
+ // prefs::mojom::PrefStore: |
+ void AddObserver(const AddObserverCallback& callback) override; |
+ |
+ // The backing store we observer for changes. This a |WeakPtr| because if we |
Sam McNally
2017/03/03 03:47:58
I think this comment is mostly no longer necessary
tibell
2017/03/07 00:52:52
Done.
|
+ // hold on to the |PrefStore| until this is torned down we mess up shutdown |
+ // order, which e.g. depends on when the |Profile| is deleted. This is quite |
+ // unsatisfactory. |
+ scoped_refptr<::PrefStore> backing_pref_store_; |
+ |
+ // Observers we notify when |backing_pref_store_| changes. |
+ std::vector<mojom::PrefStoreObserverPtr> observers_; |
+ |
+ // True when the |backing_pref_store_| is initialized, either because it was |
+ // passed already initialized in the constructor or after |
+ // OnInitializationCompleted was called. |
+ bool initialized_; |
Sam McNally
2017/03/03 03:47:58
How about naming this |backing_pref_store_initiali
tibell
2017/03/07 00:52:52
Done.
|
+ |
+ mojo::Binding<mojom::PrefStore> binding_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(PrefStoreImpl); |
+}; |
+ |
+} // namespace prefs |
+ |
+#endif // SERVICES_PREFERENCES_PUBLIC_CPP_PREF_STORE_IMPL_H_ |