Bye bye Mandoline

components/html_viewer/html_document.h

-// Copyright 2014 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_HTML_DOCUMENT_H_
-#define COMPONENTS_HTML_VIEWER_HTML_DOCUMENT_H_
-
-#include <set>
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/scoped_vector.h"
-#include "components/devtools_service/public/interfaces/devtools_service.mojom.h"
-#include "components/html_viewer/ax_provider_impl.h"
-#include "components/html_viewer/html_frame_delegate.h"
-#include "components/html_viewer/public/interfaces/test_html_viewer.mojom.h"
-#include "components/mus/public/cpp/window_tree_delegate.h"
-#include "components/web_view/public/interfaces/frame.mojom.h"
-#include "mojo/services/network/public/interfaces/url_loader.mojom.h"
-#include "mojo/shell/public/cpp/app_lifetime_helper.h"
-#include "mojo/shell/public/cpp/interface_factory.h"
-#include "mojo/shell/public/interfaces/application.mojom.h"
-
-namespace base {
-class SingleThreadTaskRunner;
-}
-
-namespace mus {
-class Window;
-class WindowTreeConnection;
-}
-
-namespace html_viewer {
-
-class AxProviderImpl;
-class DocumentResourceWaiter;
-class GlobalState;
-class HTMLFactory;
-class HTMLFrame;
-class TestHTMLViewerImpl;
-class WindowTreeDelegateImpl;
-class WebLayerTreeViewImpl;
-
-// A window for a single HTML document.
-//
-// HTMLDocument is deleted in one of two ways:
-// . When the Window the HTMLDocument is embedded in is destroyed.
-// . Explicitly by way of Destroy().
-class HTMLDocument
-    : public mus::WindowTreeDelegate,
-      public HTMLFrameDelegate,
-      public mojo::InterfaceFactory<mojo::AxProvider>,
-      public mojo::InterfaceFactory<web_view::mojom::FrameClient>,
-      public mojo::InterfaceFactory<TestHTMLViewer>,
-      public mojo::InterfaceFactory<devtools_service::DevToolsAgent>,
-      public mojo::InterfaceFactory<mus::mojom::WindowTreeClient> {
- public:
-  using DeleteCallback = base::Callback<void(HTMLDocument*)>;
-
-  // Load a new HTMLDocument with |response|.
-  // |html_document_shell| is the application this app was created in, and
-  // |connection| the specific connection triggering this new instance.
-  // |setup| is used to obtain init type state (such as resources).
-  HTMLDocument(mojo::Shell* html_document_shell,
-               mojo::Connection* connection,
-               mojo::URLResponsePtr response,
-               GlobalState* setup,
-               const DeleteCallback& delete_callback,
-               HTMLFactory* factory);
-
-  // Deletes this object.
-  void Destroy();
-
- private:
-  friend class DocumentResourceWaiter;  // So it can call Load().
-
-  // Requests for interfaces before the document is loaded go here. Once
-  // loaded the requests are bound and BeforeLoadCache is deleted.
-  struct BeforeLoadCache {
-    BeforeLoadCache();
-    ~BeforeLoadCache();
-
-    std::set<mojo::InterfaceRequest<mojo::AxProvider>*> ax_provider_requests;
-    std::set<mojo::InterfaceRequest<TestHTMLViewer>*> test_interface_requests;
-  };
-
-  // Any state that needs to be moved when rendering transfers from one frame
-  // to another is stored here.
-  struct TransferableState {
-    TransferableState();
-    ~TransferableState();
-
-    // Takes the state from |other|.
-    void Move(TransferableState* other);
-
-    bool owns_window_tree_connection;
-    mus::Window* root;
-    scoped_ptr<WindowTreeDelegateImpl> window_tree_delegate_impl;
-  };
-
-  ~HTMLDocument() override;
-
-  void Load();
-
-  BeforeLoadCache* GetBeforeLoadCache();
-
-  // WindowTreeDelegate:
-  void OnEmbed(mus::Window* root) override;
-  void OnConnectionLost(mus::WindowTreeConnection* connection) override;
-
-  // HTMLFrameDelegate:
-  mojo::Shell* GetShell() override;
-  HTMLFactory* GetHTMLFactory() override;
-  void OnFrameDidFinishLoad() override;
-  void OnFrameSwappedToRemote() override;
-  void OnSwap(HTMLFrame* frame, HTMLFrameDelegate* old_delegate) override;
-  void OnFrameDestroyed() override;
-
-  // mojo::InterfaceFactory<mojo::AxProvider>:
-  void Create(mojo::Connection* connection,
-              mojo::InterfaceRequest<mojo::AxProvider> request) override;
-
-  // mojo::InterfaceFactory<web_view::mojom::FrameClient>:
-  void Create(
-      mojo::Connection* connection,
-      mojo::InterfaceRequest<web_view::mojom::FrameClient> request) override;
-
-  // mojo::InterfaceFactory<TestHTMLViewer>:
-  void Create(mojo::Connection* connection,
-              mojo::InterfaceRequest<TestHTMLViewer> request) override;
-
-  // mojo::InterfaceFactory<devtools_service::DevToolsAgent>:
-  void Create(
-      mojo::Connection* connection,
-      mojo::InterfaceRequest<devtools_service::DevToolsAgent> request) override;
-
-  // mojo::InterfaceFactory<mus::WindowTreeClient>:
-  void Create(
-      mojo::Connection* connection,
-      mojo::InterfaceRequest<mus::mojom::WindowTreeClient> request) override;
-
-  scoped_ptr<mojo::AppRefCount> app_refcount_;
-  mojo::Shell* html_document_shell_;
-  mojo::Connection* connection_;
-
-  // HTMLDocument owns these pointers; binding requests after document load.
-  std::set<AxProviderImpl*> ax_providers_;
-
-  ScopedVector<TestHTMLViewerImpl> test_html_viewers_;
-
-  // Set to true when the local frame has finished loading.
-  bool did_finish_local_frame_load_ = false;
-
-  GlobalState* global_state_;
-
-  HTMLFrame* frame_;
-
-  scoped_ptr<DocumentResourceWaiter> resource_waiter_;
-
-  scoped_ptr<BeforeLoadCache> before_load_cache_;
-
-  DeleteCallback delete_callback_;
-
-  HTMLFactory* factory_;
-
-  TransferableState transferable_state_;
-
-  // Cache interface request of DevToolsAgent if |frame_| hasn't been
-  // initialized.
-  mojo::InterfaceRequest<devtools_service::DevToolsAgent>
-      devtools_agent_request_;
-
-  DISALLOW_COPY_AND_ASSIGN(HTMLDocument);
-};
-
-}  // namespace html_viewer
-
-#endif  // COMPONENTS_HTML_VIEWER_HTML_DOCUMENT_H_