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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.
#ifndef CONTENT_CHILD_DWRITE_FONT_PROXY_DWRITE_LOCALIZED_STRINGS_WIN_H_
#define CONTENT_CHILD_DWRITE_FONT_PROXY_DWRITE_LOCALIZED_STRINGS_WIN_H_
#include <dwrite.h>
#include <wrl.h>
#include <utility>
#include <vector>
#include "base/macros.h"
#include "base/strings/string16.h"
namespace content {
// Impements IDWriteLocalizedStrings, backed by a vector of string pairs.
class DWriteLocalizedStrings
: public Microsoft::WRL::RuntimeClass<
Microsoft::WRL::RuntimeClassFlags<Microsoft::WRL::ClassicCom>,
IDWriteLocalizedStrings> {
public:
DWriteLocalizedStrings();
~DWriteLocalizedStrings() override;
// IDWriteLocalizedStrings:
HRESULT STDMETHODCALLTYPE FindLocaleName(const WCHAR* locale_name,
UINT32* index,
BOOL* exists) override;
UINT32 STDMETHODCALLTYPE GetCount() override;
HRESULT STDMETHODCALLTYPE GetLocaleName(UINT32 index,
WCHAR* locale_name,
UINT32 size) override;
HRESULT STDMETHODCALLTYPE GetLocaleNameLength(UINT32 index,
UINT32* length) override;
HRESULT STDMETHODCALLTYPE GetString(UINT32 index,
WCHAR* string_buffer,
UINT32 size) override;
HRESULT STDMETHODCALLTYPE GetStringLength(UINT32 index,
UINT32* length) override;
HRESULT STDMETHODCALLTYPE RuntimeClassInitialize(
std::vector<std::pair<base::string16, base::string16>>* strings);
private:
// List of strings. First element of each pair is the locale, and the second
// element is the associated value. Use a vector because the expected number
// of pairs is small (typically 1-2, rarely up to a few dozen?) and we need
// index-based access.
std::vector<std::pair<base::string16, base::string16>> strings_;
DISALLOW_ASSIGN(DWriteLocalizedStrings);
};
} // namespace content
#endif // CONTENT_CHILD_DWRITE_FONT_PROXY_DWRITE_LOCALIZED_STRINGS_WIN_H_
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