Framelet Prototype 2016 using Mojo IPC

content/public/browser/guest_host.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 CONTENT_PUBLIC_BROWSER_GUEST_HOST_H_
 #define CONTENT_PUBLIC_BROWSER_GUEST_HOST_H_
 
+#include "third_party/WebKit/public/platform/WebFocusType.h"
 #include "ui/gfx/geometry/size.h"
 
+namespace blink {
+class WebInputEvent;
+}
+
 namespace content {
+class WebContents;
+
+struct GuestAttachParams {
+  bool focused;
+  bool visible;
+  gfx::Rect view_rect;
+  bool is_full_page;
+
+  GuestAttachParams() : focused(false), visible(false), is_full_page(false) {}
+};
 
 // A GuestHost is the content API for a guest WebContents.
 // Guests are top-level frames that can be embedded within other pages.
 // The content module manages routing of input events and compositing, but all
 // other operations are managed outside of content. To limit exposure of
 // implementation details within content, content embedders must use this
 // interface for loading, sizing, and cleanup of guests.
 //
 // This class currently only serves as a base class for BrowserPluginGuest, and
 // its API can only be accessed by a BrowserPluginGuestDelegate.
 class GuestHost {
  public:
+  // Called when a GuestView has attached to an embedder.
+  virtual void Attach(int element_instance_id,
+                      WebContents* embedder_web_contents,
+                      const GuestAttachParams& params) = 0;
+
   // Loads a URL using the specified |load_params| and returns a routing ID for
   // a proxy for the guest.
   virtual int LoadURLWithParams(
       const NavigationController::LoadURLParams& load_params) = 0;
 
   // Called when the GuestHost's size changes due to auto resize.
   virtual void GuestResizeDueToAutoResize(const gfx::Size& new_size) = 0;
 
+  // updates the visibility of the guest container. Note that the guest is
+  // visible if both the guest's container and the guest's embedder are visible.
+  virtual void SetContainerVisible(bool visible) = 0;
+
+  // Updates the focus state of the guest.
+  virtual void SetFocus(bool focused, blink::WebFocusType focus_type) = 0;
+
   // Sets the size of the guest WebContents.
   virtual void SizeContents(const gfx::Size& new_size) = 0;
 
+  // Forwards input events to the guest.
+  virtual void ForwardInputEvent(const blink::WebInputEvent* event) = 0;
+
   // Called when the GuestHost is about to be destroyed.
   virtual void WillDestroy() = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_GUEST_HOST_H_