Index: components/prefs/overlay_user_pref_store.cc |
diff --git a/components/prefs/overlay_user_pref_store.cc b/components/prefs/overlay_user_pref_store.cc |
deleted file mode 100644 |
index dd5b68e0a636438275a3f544d0881b6a53fdb438..0000000000000000000000000000000000000000 |
--- a/components/prefs/overlay_user_pref_store.cc |
+++ /dev/null |
@@ -1,186 +0,0 @@ |
-// 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. |
- |
-#include "base/prefs/overlay_user_pref_store.h" |
- |
-#include <utility> |
- |
-#include "base/memory/scoped_ptr.h" |
-#include "base/values.h" |
- |
-OverlayUserPrefStore::OverlayUserPrefStore( |
- PersistentPrefStore* underlay) |
- : underlay_(underlay) { |
- underlay_->AddObserver(this); |
-} |
- |
-bool OverlayUserPrefStore::IsSetInOverlay(const std::string& key) const { |
- return overlay_.GetValue(key, NULL); |
-} |
- |
-void OverlayUserPrefStore::AddObserver(PrefStore::Observer* observer) { |
- observers_.AddObserver(observer); |
-} |
- |
-void OverlayUserPrefStore::RemoveObserver(PrefStore::Observer* observer) { |
- observers_.RemoveObserver(observer); |
-} |
- |
-bool OverlayUserPrefStore::HasObservers() const { |
- return observers_.might_have_observers(); |
-} |
- |
-bool OverlayUserPrefStore::IsInitializationComplete() const { |
- return underlay_->IsInitializationComplete(); |
-} |
- |
-bool OverlayUserPrefStore::GetValue(const std::string& key, |
- const base::Value** result) const { |
- // If the |key| shall NOT be stored in the overlay store, there must not |
- // be an entry. |
- DCHECK(ShallBeStoredInOverlay(key) || !overlay_.GetValue(key, NULL)); |
- |
- if (overlay_.GetValue(key, result)) |
- return true; |
- return underlay_->GetValue(GetUnderlayKey(key), result); |
-} |
- |
-bool OverlayUserPrefStore::GetMutableValue(const std::string& key, |
- base::Value** result) { |
- if (!ShallBeStoredInOverlay(key)) |
- return underlay_->GetMutableValue(GetUnderlayKey(key), result); |
- |
- if (overlay_.GetValue(key, result)) |
- return true; |
- |
- // Try to create copy of underlay if the overlay does not contain a value. |
- base::Value* underlay_value = NULL; |
- if (!underlay_->GetMutableValue(GetUnderlayKey(key), &underlay_value)) |
- return false; |
- |
- *result = underlay_value->DeepCopy(); |
- overlay_.SetValue(key, make_scoped_ptr(*result)); |
- return true; |
-} |
- |
-void OverlayUserPrefStore::SetValue(const std::string& key, |
- scoped_ptr<base::Value> value, |
- uint32_t flags) { |
- if (!ShallBeStoredInOverlay(key)) { |
- underlay_->SetValue(GetUnderlayKey(key), std::move(value), flags); |
- return; |
- } |
- |
- if (overlay_.SetValue(key, std::move(value))) |
- ReportValueChanged(key, flags); |
-} |
- |
-void OverlayUserPrefStore::SetValueSilently(const std::string& key, |
- scoped_ptr<base::Value> value, |
- uint32_t flags) { |
- if (!ShallBeStoredInOverlay(key)) { |
- underlay_->SetValueSilently(GetUnderlayKey(key), std::move(value), flags); |
- return; |
- } |
- |
- overlay_.SetValue(key, std::move(value)); |
-} |
- |
-void OverlayUserPrefStore::RemoveValue(const std::string& key, uint32_t flags) { |
- if (!ShallBeStoredInOverlay(key)) { |
- underlay_->RemoveValue(GetUnderlayKey(key), flags); |
- return; |
- } |
- |
- if (overlay_.RemoveValue(key)) |
- ReportValueChanged(key, flags); |
-} |
- |
-bool OverlayUserPrefStore::ReadOnly() const { |
- return false; |
-} |
- |
-PersistentPrefStore::PrefReadError OverlayUserPrefStore::GetReadError() const { |
- return PersistentPrefStore::PREF_READ_ERROR_NONE; |
-} |
- |
-PersistentPrefStore::PrefReadError OverlayUserPrefStore::ReadPrefs() { |
- // We do not read intentionally. |
- OnInitializationCompleted(true); |
- return PersistentPrefStore::PREF_READ_ERROR_NONE; |
-} |
- |
-void OverlayUserPrefStore::ReadPrefsAsync( |
- ReadErrorDelegate* error_delegate_raw) { |
- scoped_ptr<ReadErrorDelegate> error_delegate(error_delegate_raw); |
- // We do not read intentionally. |
- OnInitializationCompleted(true); |
-} |
- |
-void OverlayUserPrefStore::CommitPendingWrite() { |
- underlay_->CommitPendingWrite(); |
- // We do not write our content intentionally. |
-} |
- |
-void OverlayUserPrefStore::SchedulePendingLossyWrites() { |
- underlay_->SchedulePendingLossyWrites(); |
-} |
- |
-void OverlayUserPrefStore::ReportValueChanged(const std::string& key, |
- uint32_t flags) { |
- FOR_EACH_OBSERVER(PrefStore::Observer, observers_, OnPrefValueChanged(key)); |
-} |
- |
-void OverlayUserPrefStore::OnPrefValueChanged(const std::string& key) { |
- if (!overlay_.GetValue(GetOverlayKey(key), NULL)) |
- ReportValueChanged(GetOverlayKey(key), DEFAULT_PREF_WRITE_FLAGS); |
-} |
- |
-void OverlayUserPrefStore::OnInitializationCompleted(bool succeeded) { |
- FOR_EACH_OBSERVER(PrefStore::Observer, observers_, |
- OnInitializationCompleted(succeeded)); |
-} |
- |
-void OverlayUserPrefStore::RegisterOverlayPref(const std::string& key) { |
- RegisterOverlayPref(key, key); |
-} |
- |
-void OverlayUserPrefStore::RegisterOverlayPref( |
- const std::string& overlay_key, |
- const std::string& underlay_key) { |
- DCHECK(!overlay_key.empty()) << "Overlay key is empty"; |
- DCHECK(overlay_to_underlay_names_map_.find(overlay_key) == |
- overlay_to_underlay_names_map_.end()) << |
- "Overlay key already registered"; |
- DCHECK(!underlay_key.empty()) << "Underlay key is empty"; |
- DCHECK(underlay_to_overlay_names_map_.find(underlay_key) == |
- underlay_to_overlay_names_map_.end()) << |
- "Underlay key already registered"; |
- overlay_to_underlay_names_map_[overlay_key] = underlay_key; |
- underlay_to_overlay_names_map_[underlay_key] = overlay_key; |
-} |
- |
-OverlayUserPrefStore::~OverlayUserPrefStore() { |
- underlay_->RemoveObserver(this); |
-} |
- |
-const std::string& OverlayUserPrefStore::GetOverlayKey( |
- const std::string& underlay_key) const { |
- NamesMap::const_iterator i = |
- underlay_to_overlay_names_map_.find(underlay_key); |
- return i != underlay_to_overlay_names_map_.end() ? i->second : underlay_key; |
-} |
- |
-const std::string& OverlayUserPrefStore::GetUnderlayKey( |
- const std::string& overlay_key) const { |
- NamesMap::const_iterator i = |
- overlay_to_underlay_names_map_.find(overlay_key); |
- return i != overlay_to_underlay_names_map_.end() ? i->second : overlay_key; |
-} |
- |
-bool OverlayUserPrefStore::ShallBeStoredInOverlay( |
- const std::string& key) const { |
- return overlay_to_underlay_names_map_.find(key) != |
- overlay_to_underlay_names_map_.end(); |
-} |