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// Copyright 2019 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 "skia/ext/test_fonts_fuchsia.h"
#include <fuchsia/fonts/cpp/fidl.h>
#include <fuchsia/io/cpp/fidl.h>
#include <fuchsia/sys/cpp/fidl.h>
#include <lib/fidl/cpp/interface_handle.h>
#include <lib/sys/cpp/component_context.h>
#include "base/fuchsia/file_utils.h"
#include "base/fuchsia/process_context.h"
#include "base/logging.h"
#include "base/no_destructor.h"
#include "base/path_service.h"
#include "skia/ext/fontmgr_default.h"
#include "skia/ext/test_fonts.h"
#include "third_party/skia/include/core/SkFontMgr.h"
#include "third_party/skia/include/ports/SkFontMgr_fuchsia.h"
namespace skia {
fuchsia::fonts::ProviderSyncPtr RunTestProviderWithTestFonts(
fidl::InterfaceHandle<fuchsia::sys::ComponentController>* controller_out) {
// Start a fuchsia.fonts.Provider instance and configure it to load the test
// fonts, which must be bundled in the calling process' package.
fuchsia::sys::LaunchInfo launch_info;
launch_info.url = "fuchsia-pkg://fuchsia.com/fonts#meta/fonts.cmx";
launch_info.arguments.emplace(
{"--no-default-fonts",
"--font-manifest=/test_fonts/fuchsia_test_fonts_manifest.json"});
launch_info.flat_namespace = fuchsia::sys::FlatNamespace::New();
launch_info.flat_namespace->paths.push_back("/test_fonts");
base::FilePath assets_path;
if (!base::PathService::Get(base::DIR_ASSETS, &assets_path))
LOG(FATAL) << "Can't get DIR_ASSETS";
launch_info.flat_namespace->directories.push_back(
base::fuchsia::OpenDirectory(assets_path.AppendASCII("test_fonts"))
.TakeChannel());
fidl::InterfaceHandle<fuchsia::io::Directory> font_provider_services_dir;
launch_info.directory_request =
font_provider_services_dir.NewRequest().TakeChannel();
fuchsia::sys::LauncherSyncPtr launcher;
base::ComponentContextForProcess()->svc()->Connect(launcher.NewRequest());
launcher->CreateComponent(std::move(launch_info),
controller_out->NewRequest());
sys::ServiceDirectory font_provider_services_client(
std::move(font_provider_services_dir));
fuchsia::fonts::ProviderSyncPtr provider;
font_provider_services_client.Connect(provider.NewRequest());
return provider;
}
void ConfigureTestFont() {
// ComponentController for the font provider service started below. It's a
// static field to keep the service running until the test process is
// destroyed.
static base::NoDestructor<
fidl::InterfaceHandle<fuchsia::sys::ComponentController>>
test_font_provider_controller;
DCHECK(!*test_font_provider_controller);
skia::OverrideDefaultSkFontMgr(SkFontMgr_New_Fuchsia(
RunTestProviderWithTestFonts(test_font_provider_controller.get())));
}
} // namespace skia
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