Framelet Prototype 2016

components/guest_view/browser/guest_view_base.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_GUEST_VIEW_BROWSER_GUEST_VIEW_BASE_H_
 #define COMPONENTS_GUEST_VIEW_BROWSER_GUEST_VIEW_BASE_H_
 
 #include <queue>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/values.h"
 #include "components/guest_view/common/guest_view_constants.h"
 #include "components/ui/zoom/zoom_observer.h"
 #include "content/public/browser/browser_plugin_guest_delegate.h"
 #include "content/public/browser/guest_host.h"
 #include "content/public/browser/render_process_host_observer.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/browser/web_contents_observer.h"
 
 struct RendererContentSettingRules;
 
+namespace chrome {
+class ChromeGuestViewMessageFilter;
+}
+
 namespace guest_view {
 
 class GuestViewEvent;
 
 // A struct of parameters for SetSize(). The parameters are all declared as
 // scoped pointers since they are all optional. Null pointers indicate that the
 // parameter has not been provided, and the last used value should be used. Note
 // that when |enable_auto_size| is true, providing |normal_size| is not
 // meaningful. This is because the normal size of the guestview is overridden
 // whenever autosizing occurs.
@@ skipping 45 matching lines @@
   // |web_contents| does not belong to a GuestView, it will be returned
   // unchanged.
   static content::WebContents* GetTopLevelWebContents(
       content::WebContents* web_contents);
 
   static bool IsGuest(content::WebContents* web_contents);
 
   // Returns the name of the derived type of this GuestView.
   virtual const char* GetViewType() const = 0;
 
+  // Invoked if an IPC message is coming from a container attached to this
+  // guest.
+  virtual bool OnMessageReceivedFromEmbedder(const IPC::Message& message);
+
   // This method queries whether autosize is supported for this particular view.
   // By default, autosize is not supported. Derived classes can override this
   // behavior to support autosize.
   virtual bool IsAutoSizeSupported() const;
 
   // This method queries whether preferred size events are enabled for this
   // view. By default, preferred size events are disabled, since they add a
   // small amount of overhead.
   virtual bool IsPreferredSizeModeEnabled() const;
 
@@ skipping 219 matching lines @@
 
   // Convert sizes in pixels from physical to logical numbers of pixels.
   // Note that a size can consist of a fractional number of logical pixels
   // (hence the return value is represented as a double), but will always
   // consist of an integral number of physical pixels (hence |physical_pixels|
   // is represented as an int).
   double PhysicalPixelsToLogicalPixels(int physical_pixels) const;
 
   void SetGuestZoomLevelToMatchEmbedder();
 
- private:
+ protected:
   friend class GuestViewMessageFilter;
+  // TODO(fsamuel): This is a bit of a hack. Don't make things outside this
+  // component a friend.
+  friend class chrome::ChromeGuestViewMessageFilter;
 
   class OwnerContentsObserver;
   class OpenerLifetimeObserver;
 
   // BrowserPluginGuestDelegate implementation.
   content::WebContents* CreateNewGuestWindow(
       const content::WebContents::CreateParams& create_params) final;
   void DidAttach(int guest_proxy_routing_id) final;
   void DidDetach() final;
   content::WebContents* GetOwnerWebContents() const final;
@@ skipping 138 matching lines @@
   // This is used to ensure pending tasks will not fire after this object is
   // destroyed.
   base::WeakPtrFactory<GuestViewBase> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GuestViewBase);
 };
 
 }  // namespace guest_view
 
 #endif  // COMPONENTS_GUEST_VIEW_BROWSER_GUEST_VIEW_BASE_H_