Navigation transitions: Initiate navigation transition and send serialized markup to Chrome

public/web/WebFrameClient.h

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 165 matching lines @@
 
     // The client should handle the navigation externally.
     virtual void loadURLExternally(
         WebLocalFrame*, const WebURLRequest&, WebNavigationPolicy, const WebString& downloadName) { }
 
 
     // Navigational queries ------------------------------------------------
 
     // The client may choose to alter the navigation policy.  Otherwise,
     // defaultPolicy should just be returned.
+
+    struct NavigationPolicyInfo {
+        WebLocalFrame* frame;
+        WebDataSource::ExtraData* extraData;
+        const WebURLRequest& urlRequest;
+        WebNavigationType navigationType;
+        WebNavigationPolicy defaultPolicy;
+        bool isRedirect;
+        bool isTransitionNavigation;
+
+        NavigationPolicyInfo(const WebURLRequest& urlRequest)
+            : frame(0)
+            , extraData(0)
+            , urlRequest(urlRequest)
+            , navigationType(WebNavigationTypeOther)
+            , defaultPolicy(WebNavigationPolicyIgnore)
+            , isRedirect(false)
+            , isTransitionNavigation(false) { }
+    };
+
+    virtual WebNavigationPolicy decidePolicyForNavigation(const NavigationPolicyInfo& info)
+    {
+        return decidePolicyForNavigation(info.frame, info.extraData, info.urlRequest, info.navigationType, info.defaultPolicy, info.isRedirect);
+    }
+
+    // DEPRECATED
     virtual WebNavigationPolicy decidePolicyForNavigation(
         WebLocalFrame*, WebDataSource::ExtraData*, const WebURLRequest&, WebNavigationType,
         WebNavigationPolicy defaultPolicy, bool isRedirect) { return defaultPolicy; }
 
     // During a history navigation, we may choose to load new subframes from history as well.
     // This returns such a history item if appropriate.
     virtual WebHistoryItem historyItemForNewChildFrame(WebFrame*) { return WebHistoryItem(); }
 
 
     // Navigational notifications ------------------------------------------
@@ skipping 12 matching lines @@
     virtual void willSendSubmitEvent(WebLocalFrame*, const WebFormElement&) { }
 
     // A form submission is about to occur.
     virtual void willSubmitForm(WebLocalFrame*, const WebFormElement&) { }
 
     // A datasource has been created for a new navigation.  The given
     // datasource will become the provisional datasource for the frame.
     virtual void didCreateDataSource(WebLocalFrame*, WebDataSource*) { }
 
     // A new provisional load has been started.
+    virtual void didStartProvisionalLoad(WebLocalFrame* localFrame, bool isTransitionNavigation) { didStartProvisionalLoad(localFrame); }
+    // DEPRECATED
     virtual void didStartProvisionalLoad(WebLocalFrame*) { }
 
     // The provisional load was redirected via a HTTP 3xx response.
     virtual void didReceiveServerRedirectForProvisionalLoad(WebLocalFrame*) { }
 
     // The provisional load failed.
     virtual void didFailProvisionalLoad(WebLocalFrame*, const WebURLError&) { }
 
     // The provisional datasource is now committed.  The first part of the
     // response body has been received, and the encoding of the response
@@ skipping 39 matching lines @@
     // The frame's manifest has changed.
     virtual void didChangeManifest(WebLocalFrame*) { }
 
     // TODO: Remove when chromium is changed to use didChangeThemeColor().
     virtual void didChangeBrandColor() { }
 
     // The frame's theme color has changed.
     virtual void didChangeThemeColor() { }
 
 
+    // Transition navigations -----------------------------------------------
+
+    // Provides serialized markup of transition elements for use in the following navigation.
+    virtual void addNavigationTransitionData(const WebString& allowedDestinationOrigin, const WebString& selector, const WebString& markup) { }
+
+
     // Web Notifications ---------------------------------------------------
 
     // Requests permission to display platform notifications on the origin of this frame.
     virtual void requestNotificationPermission(const WebSecurityOrigin&, WebNotificationPermissionCallback* callback) { }
 
     // Called to retrieve the provider of desktop notifications.
     // FIXME: Remove this method once the presenter is obtained through Platform.
     virtual WebNotificationPresenter* notificationPresenter() { return 0; }
 
 
@@ skipping 239 matching lines @@
     // Access the embedder API for (client-based) screen orientation client .
     virtual WebScreenOrientationClient* webScreenOrientationClient() { return 0; }
 
 protected:
     virtual ~WebFrameClient() { }
 };
 
 } // namespace blink
 
 #endif