blob: 0cd80ca28bec3045245c0ae933b1c89d95a266b9 [file] [log] [blame]
// Copyright 2018 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 "content/child/child_process_sandbox_support_impl_mac.h"
#include <utility>
#include "base/mac/scoped_cftyperef.h"
#include "base/numerics/safe_conversions.h"
#include "base/strings/string16.h"
#include "base/strings/sys_string_conversions.h"
#include "content/common/mac/font_loader.h"
#include "content/public/child/child_thread.h"
#include "mojo/public/cpp/system/buffer.h"
namespace content {
bool LoadFont(CTFontRef font, CGFontRef* out, uint32_t* font_id) {
base::ScopedCFTypeRef<CFStringRef> name_ref(CTFontCopyPostScriptName(font));
base::string16 font_name = SysCFStringRefToUTF16(name_ref);
float font_point_size = CTFontGetSize(font);
mojo::ScopedSharedBufferHandle font_data;
bool success = content::ChildThread::Get()->LoadFont(
font_name, font_point_size, &font_data, font_id) &&
*font_id > 0 && font_data.is_valid();
if (!success) {
DLOG(ERROR) << "Bad response from LoadFont() for " << font_name;
*out = nullptr;
*font_id = 0;
return false;
uint64_t font_data_size = font_data->GetSize();
DCHECK_GT(font_data_size, 0U);
// TODO(jeremy): Need to call back into the requesting process to make sure
// that the font isn't already activated, based on the font id. If it's
// already activated, don't reactivate it here - .
return FontLoader::CGFontRefFromBuffer(
std::move(font_data), static_cast<uint32_t>(font_data_size), out);
} // namespace content