Bye bye Mandoline

components/html_viewer/global_state.h

-// 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 COMPONENTS_HTML_VIEWER_GLOBAL_STATE_H_
-#define COMPONENTS_HTML_VIEWER_GLOBAL_STATE_H_
-
-#include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/threading/thread.h"
-#include "build/build_config.h"
-#include "components/html_viewer/blink_settings.h"
-#include "components/html_viewer/discardable_memory_allocator.h"
-#include "components/mus/gles2/mojo_gpu_memory_buffer_manager.h"
-#include "components/mus/gles2/raster_thread_helper.h"
-#include "components/mus/public/interfaces/gpu.mojom.h"
-#include "components/resource_provider/public/cpp/resource_loader.h"
-#include "mojo/services/tracing/public/cpp/tracing_impl.h"
-#include "skia/ext/refptr.h"
-#include "ui/gfx/geometry/size.h"
-
-namespace font_service {
-class FontLoader;
-}
-
-namespace mojo {
-class Shell;
-}
-
-namespace ui {
-namespace mojo {
-class UIInit;
-}
-}
-
-namespace scheduler {
-class RendererScheduler;
-}
-
-namespace html_viewer {
-
-class BlinkPlatformImpl;
-class MediaFactory;
-
-// GlobalState encapsulates the necessary state needed by HTMLViewer. Some
-// objects are created immediately in the constructor, otherwise not until
-// InitIfNecessary() is invoked.
-//
-// GlobalState can be initialized in two distinct ways:
-// . headless: this is determined by the command line, but can be forced by way
-//   of InitHeadless().
-// . with a ui: this is done via InitIfNecessary().
-class GlobalState {
- public:
-  GlobalState(mojo::Shell* shell, const std::string& url);
-  ~GlobalState();
-
-  // Inits with the specified screen size and device pixel ratio.
-  // NOTE: we wait to complete setup until the device pixel ratio is available
-  // as ResourceBundle uses the device pixel ratio during initialization.
-  void InitIfNecessary(const gfx::Size& screen_size_in_pixels,
-                       float device_pixel_ratio);
-
-  bool did_init() const { return did_init_; }
-
-  const gfx::Size& screen_size_in_pixels() const {
-    return screen_size_in_pixels_;
-  }
-
-  float device_pixel_ratio() const { return device_pixel_ratio_; }
-
-  scoped_refptr<base::SingleThreadTaskRunner> compositor_thread() {
-    return compositor_thread_.task_runner();
-  }
-
-  gles2::RasterThreadHelper* raster_thread_helper() {
-    return &raster_thread_helper_;
-  }
-
-  mus::MojoGpuMemoryBufferManager* gpu_memory_buffer_manager() {
-    return &gpu_memory_buffer_manager_;
-  }
-
-  const mus::mojom::GpuInfo* GetGpuInfo();
-
-  MediaFactory* media_factory() { return media_factory_.get(); }
-
-  BlinkSettings* blink_settings() { return blink_settings_.get(); }
-  void set_blink_settings(BlinkSettings* blink_settings) {
-    blink_settings_.reset(blink_settings);
-  }
-
- private:
-  // Callback for |gpu_service_|->GetGpuInfo().
-  void GetGpuInfoCallback(mus::mojom::GpuInfoPtr gpu_info);
-
-  // App for HTMLViewer, not the document's app.
-  // WARNING: do not expose this. It's too easy to use the wrong one.
-  // HTMLDocument should be using the application it creates, not this one.
-  mojo::Shell* shell_;
-
-  resource_provider::ResourceLoader resource_loader_;
-
-  // True once we've completed init.
-  bool did_init_;
-
-  float device_pixel_ratio_;
-
-  gfx::Size screen_size_in_pixels_;
-
-  scoped_ptr<ui::mojo::UIInit> ui_init_;
-
-  // Skia requires that we have one of these. Unlike the one used in chrome,
-  // this doesn't use purgable shared memory. Instead, it tries to free the
-  // oldest unlocked chunks on allocation.
-  //
-  // TODO(erg): In the long run, delete this allocator and get the real shared
-  // memory based purging allocator working here.
-  DiscardableMemoryAllocator discardable_memory_allocator_;
-
-  mojo::TracingImpl tracing_;
-
-  scoped_ptr<scheduler::RendererScheduler> renderer_scheduler_;
-  scoped_ptr<BlinkPlatformImpl> blink_platform_;
-  base::Thread compositor_thread_;
-  gles2::RasterThreadHelper raster_thread_helper_;
-  mus::MojoGpuMemoryBufferManager gpu_memory_buffer_manager_;
-  mus::mojom::GpuPtr gpu_service_;
-  mus::mojom::GpuInfoPtr gpu_info_;
-  scoped_ptr<MediaFactory> media_factory_;
-
-  scoped_ptr<BlinkSettings> blink_settings_;
-
-#if defined(OS_LINUX) && !defined(OS_ANDROID)
-  skia::RefPtr<font_service::FontLoader> font_loader_;
-#endif
-
-  DISALLOW_COPY_AND_ASSIGN(GlobalState);
-};
-
-}  // namespace html_viewer
-
-#endif  // COMPONENTS_HTML_VIEWER_GLOBAL_STATE_H_