Bye bye Mandoline

components/html_viewer/html_widget.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_HTML_WIDGET_H_
-#define COMPONENTS_HTML_VIEWER_HTML_WIDGET_H_
-
-#include "base/macros.h"
-#include "third_party/WebKit/public/web/WebViewClient.h"
-#include "third_party/WebKit/public/web/WebWidgetClient.h"
-
-namespace blink {
-class WebFrameWidget;
-}
-
-namespace mojo {
-class Shell;
-}
-
-namespace mus {
-class Window;
-}
-
-namespace html_viewer {
-
-class GlobalState;
-class ImeController;
-class WebLayerTreeViewImpl;
-
-// HTMLWidget is responsible for creation of the WebWidget. Which WebWidget
-// and how it is created depends upon the frame the WebWidget is created for.
-class HTMLWidget {
- public:
-  virtual ~HTMLWidget() {}
-
-  virtual blink::WebWidget* GetWidget() = 0;
-
-  virtual void OnWindowBoundsChanged(mus::Window* window) = 0;
-};
-
-// Used for the root frame when the root frame is remote.
-class HTMLWidgetRootRemote : public HTMLWidget, public blink::WebViewClient {
- public:
-  explicit HTMLWidgetRootRemote(GlobalState* global_state);
-  ~HTMLWidgetRootRemote() override;
-
- private:
-  // WebViewClient methods:
-  blink::WebStorageNamespace* createSessionStorageNamespace() override;
-  bool allowsBrokenNullLayerTreeView() const override;
-
-  // HTMLWidget:
-  blink::WebWidget* GetWidget() override;
-  void OnWindowBoundsChanged(mus::Window* window) override;
-
-  blink::WebView* web_view_;
-
-  DISALLOW_COPY_AND_ASSIGN(HTMLWidgetRootRemote);
-};
-
-// Used for the root frame when the frame is local. If there is only one
-// frame in the document, this is the HTMLWidget type created.
-class HTMLWidgetRootLocal : public HTMLWidget, public blink::WebViewClient {
- public:
-  struct CreateParams {
-    CreateParams(mojo::Shell* shell,
-                 GlobalState* global_state,
-                 mus::Window* window);
-    ~CreateParams();
-
-    mojo::Shell* shell;
-    GlobalState* global_state;
-    mus::Window* window;
-  };
-
-  HTMLWidgetRootLocal(CreateParams* create_params);
-  ~HTMLWidgetRootLocal() override;
-
-  blink::WebView* web_view() { return web_view_; }
-
- protected:
-  // WebViewClient methods:
-  blink::WebStorageNamespace* createSessionStorageNamespace() override;
-  void initializeLayerTreeView() override;
-  blink::WebLayerTreeView* layerTreeView() override;
-  void didMeaningfulLayout(blink::WebMeaningfulLayout layout_type) override;
-  void resetInputMethod() override;
-  void didHandleGestureEvent(const blink::WebGestureEvent& event,
-                             bool event_cancelled) override;
-  void didUpdateTextOfFocusedElementByNonUserInput() override;
-  void showImeIfNeeded() override;
-
- private:
-  // HTMLWidget:
-  blink::WebWidget* GetWidget() override;
-  void OnWindowBoundsChanged(mus::Window* window) override;
-
-  mojo::Shell* shell_;
-  GlobalState* global_state_;
-  mus::Window* window_;
-  blink::WebView* web_view_;
-  scoped_ptr<WebLayerTreeViewImpl> web_layer_tree_view_impl_;
-  scoped_ptr<ImeController> ime_controller_;
-
-  DISALLOW_COPY_AND_ASSIGN(HTMLWidgetRootLocal);
-};
-
-// Used for frames other than the root that are local.
-class HTMLWidgetLocalRoot : public HTMLWidget, public blink::WebWidgetClient {
- public:
-  HTMLWidgetLocalRoot(mojo::Shell* shell,
-                      GlobalState* global_state,
-                      mus::Window* window,
-                      blink::WebLocalFrame* web_local_frame);
-  ~HTMLWidgetLocalRoot() override;
-
- private:
-  // HTMLWidget:
-  blink::WebWidget* GetWidget() override;
-  void OnWindowBoundsChanged(mus::Window* window) override;
-
-  // WebWidgetClient:
-  void initializeLayerTreeView() override;
-  blink::WebLayerTreeView* layerTreeView() override;
-  void resetInputMethod() override;
-  void didHandleGestureEvent(const blink::WebGestureEvent& event,
-                             bool event_cancelled) override;
-  void didUpdateTextOfFocusedElementByNonUserInput() override;
-  void showImeIfNeeded() override;
-
-  mojo::Shell* shell_;
-  GlobalState* global_state_;
-  blink::WebFrameWidget* web_frame_widget_;
-  scoped_ptr<WebLayerTreeViewImpl> web_layer_tree_view_impl_;
-  scoped_ptr<ImeController> ime_controller_;
-
-  DISALLOW_COPY_AND_ASSIGN(HTMLWidgetLocalRoot);
-};
-
-}  // namespace html_viewer
-
-#endif  // COMPONENTS_HTML_VIEWER_HTML_WIDGET_H_