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49a34d9160
Add "cef/" prefix for CEF #includes in libcef/ directory. Sort #includes by following https://google.github.io/styleguide/cppguide.html#Names_and_Order_of_Includes
118 lines
3.5 KiB
C++
118 lines
3.5 KiB
C++
// Copyright (c) 2022 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that can
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// be found in the LICENSE file.
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#include "cef/libcef/browser/prefs/pref_helper.h"
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#include "base/notreached.h"
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#include "base/strings/stringprintf.h"
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#include "cef/libcef/browser/thread_util.h"
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#include "cef/libcef/common/values_impl.h"
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#include "components/prefs/pref_service.h"
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namespace pref_helper {
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namespace {
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const char* GetTypeString(base::Value::Type type) {
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switch (type) {
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case base::Value::Type::NONE:
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return "NULL";
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case base::Value::Type::BOOLEAN:
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return "BOOLEAN";
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case base::Value::Type::INTEGER:
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return "INTEGER";
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case base::Value::Type::DOUBLE:
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return "DOUBLE";
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case base::Value::Type::STRING:
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return "STRING";
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case base::Value::Type::BINARY:
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return "BINARY";
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case base::Value::Type::DICT:
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return "DICTIONARY";
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case base::Value::Type::LIST:
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return "LIST";
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}
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DCHECK(false);
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return "UNKNOWN";
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}
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} // namespace
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bool HasPreference(PrefService* pref_service, const CefString& name) {
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return (pref_service->FindPreference(name) != nullptr);
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}
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CefRefPtr<CefValue> GetPreference(PrefService* pref_service,
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const CefString& name) {
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const PrefService::Preference* pref = pref_service->FindPreference(name);
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if (!pref) {
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return nullptr;
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}
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return new CefValueImpl(pref->GetValue()->Clone());
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}
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CefRefPtr<CefDictionaryValue> GetAllPreferences(PrefService* pref_service,
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bool include_defaults) {
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// Returns a DeepCopy of the value.
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auto values = pref_service->GetPreferenceValues(
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include_defaults ? PrefService::INCLUDE_DEFAULTS
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: PrefService::EXCLUDE_DEFAULTS);
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// CefDictionaryValueImpl takes ownership of |values| contents.
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return new CefDictionaryValueImpl(std::move(values), /*read_only=*/false);
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}
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bool CanSetPreference(PrefService* pref_service, const CefString& name) {
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const PrefService::Preference* pref = pref_service->FindPreference(name);
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return (pref && pref->IsUserModifiable());
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}
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bool SetPreference(PrefService* pref_service,
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const CefString& name,
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CefRefPtr<CefValue> value,
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CefString& error) {
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// The below validation logic should match PrefService::SetUserPrefValue.
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const PrefService::Preference* pref = pref_service->FindPreference(name);
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if (!pref) {
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error = "Trying to modify an unregistered preference";
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return false;
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}
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if (!pref->IsUserModifiable()) {
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error = "Trying to modify a preference that is not user modifiable";
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return false;
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}
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if (!value.get()) {
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// Reset the preference to its default value.
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pref_service->ClearPref(name);
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return true;
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}
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if (!value->IsValid()) {
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error = "A valid value is required";
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return false;
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}
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CefValueImpl* impl = static_cast<CefValueImpl*>(value.get());
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CefValueImpl::ScopedLockedValue scoped_locked_value(impl);
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base::Value* impl_value = impl->GetValueUnsafe();
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if (pref->GetType() != impl_value->type()) {
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error = base::StringPrintf(
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"Trying to set a preference of type %s to value of type %s",
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GetTypeString(pref->GetType()), GetTypeString(impl_value->type()));
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return false;
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}
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// PrefService will make a DeepCopy of |impl_value|.
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pref_service->Set(name, *impl_value);
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return true;
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}
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} // namespace pref_helper
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