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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 "mandoline/ui/aura/aura_init.h"
#include "base/i18n/icu_util.h"
#include "base/lazy_instance.h"
#include "base/path_service.h"
#include "components/mus/public/cpp/view.h"
#include "components/resource_provider/public/cpp/resource_loader.h"
#include "mojo/converters/geometry/geometry_type_converters.h"
#include "ui/aura/env.h"
#include "ui/base/ime/input_method_initializer.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/ui_base_paths.h"
#if defined(OS_LINUX) && !defined(OS_ANDROID)
#include "components/font_service/public/cpp/font_loader.h"
#endif
namespace mandoline {
namespace {
// Paths resources are loaded from.
const char kResourceUIPak[] = "mandoline_ui.pak";
std::set<std::string> GetResourcePaths() {
std::set<std::string> paths;
paths.insert(kResourceUIPak);
return paths;
}
} // namespace
// TODO(sky): the 1.f should be view->viewport_metrics().device_scale_factor,
// but that causes clipping problems. No doubt we're not scaling a size
// correctly.
AuraInit::AuraInit(mojo::View* view, mojo::Shell* shell)
: ui_init_(view->viewport_metrics().size_in_pixels.To<gfx::Size>(), 1.f) {
aura::Env::CreateInstance(false);
InitializeResources(shell);
ui::InitializeInputMethodForTesting();
}
AuraInit::~AuraInit() {
#if defined(OS_LINUX) && !defined(OS_ANDROID)
if (font_loader_.get()) {
SkFontConfigInterface::SetGlobal(nullptr);
// FontLoader is ref counted. We need to explicitly shutdown the background
// thread, otherwise the background thread may be shutdown after the app is
// torn down, when we're in a bad state.
font_loader_->Shutdown();
}
#endif
}
void AuraInit::InitializeResources(mojo::Shell* shell) {
if (ui::ResourceBundle::HasSharedInstance())
return;
resource_provider::ResourceLoader resource_loader(shell, GetResourcePaths());
if (!resource_loader.BlockUntilLoaded())
return;
CHECK(resource_loader.loaded());
base::i18n::InitializeICUWithFileDescriptor(
resource_loader.GetICUFile().TakePlatformFile(),
base::MemoryMappedFile::Region::kWholeFile);
ui::RegisterPathProvider();
ui::ResourceBundle::InitSharedInstanceWithPakPath(base::FilePath());
ui::ResourceBundle::GetSharedInstance().AddDataPackFromFile(
resource_loader.ReleaseFile(kResourceUIPak),
ui::SCALE_FACTOR_100P);
// Initialize the skia font code to go ask fontconfig underneath.
#if defined(OS_LINUX) && !defined(OS_ANDROID)
font_loader_ = skia::AdoptRef(new font_service::FontLoader(shell));
SkFontConfigInterface::SetGlobal(font_loader_.get());
#endif
// There is a bunch of static state in gfx::Font, by running this now,
// before any other apps load, we ensure all the state is set up.
gfx::Font();
}
} // namespace mandoline
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