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// Copyright 2015 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 "components/variations/service/ui_string_overrider.h"
#include <algorithm>
#include "base/logging.h"
#include "ui/base/resource/resource_bundle.h"
namespace variations {
UIStringOverrider::UIStringOverrider()
: resource_hashes_(nullptr),
resource_indices_(nullptr),
num_resources_(0) {}
UIStringOverrider::UIStringOverrider(const uint32_t* resource_hashes,
const int* resource_indices,
size_t num_resources)
: resource_hashes_(resource_hashes),
resource_indices_(resource_indices),
num_resources_(num_resources) {
DCHECK(!num_resources || resource_hashes_);
DCHECK(!num_resources || resource_indices_);
}
UIStringOverrider::~UIStringOverrider() {}
int UIStringOverrider::GetResourceIndex(uint32_t hash) {
if (!num_resources_)
return -1;
const uint32_t* end = resource_hashes_ + num_resources_;
const uint32_t* element = std::lower_bound(resource_hashes_, end, hash);
if (element == end || *element != hash)
return -1;
return resource_indices_[element - resource_hashes_];
}
void UIStringOverrider::OverrideUIString(uint32_t hash,
const base::string16& string) {
int resource_id = GetResourceIndex(hash);
if (resource_id == -1)
return;
ui::ResourceBundle::GetSharedInstance().OverrideLocaleStringResource(
resource_id, string);
}
} // namespace variations
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