Bye bye Mandoline

components/web_view/frame_tree_delegate.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_WEB_VIEW_FRAME_TREE_DELEGATE_H_
-#define COMPONENTS_WEB_VIEW_FRAME_TREE_DELEGATE_H_
-
-#include <stdint.h>
-
-#include <string>
-
-#include "base/callback_forward.h"
-#include "base/memory/scoped_ptr.h"
-#include "components/mus/public/interfaces/window_tree.mojom.h"
-#include "components/web_view/public/interfaces/frame.mojom.h"
-#include "mojo/services/network/public/interfaces/url_loader.mojom.h"
-#include "url/gurl.h"
-
-namespace web_view {
-
-class Frame;
-class FrameUserData;
-
-namespace mojom {
-class HTMLMessageEvent;
-}
-
-class FrameTreeDelegate {
- public:
-  // Callback from CanNavigateFrame(). The uint32_t is the id of the app the
-  // FrameClient comes from; typically the content handler id.
-  using CanNavigateFrameCallback =
-      base::Callback<void(uint32_t,
-                          mojom::FrameClient*,
-                          scoped_ptr<FrameUserData>,
-                          mus::mojom::WindowTreeClientPtr)>;
-
-  // Called when a Frame creates a new child Frame. |frame_tree_client| is the
-  // FrameClient for the new frame.
-  virtual scoped_ptr<FrameUserData> CreateUserDataForNewFrame(
-      mojom::FrameClientPtr frame_client) = 0;
-
-  // Returns whether a request to post a message from |source| to |target|
-  // is allowed. |source| and |target| are never null.
-  virtual bool CanPostMessageEventToFrame(const Frame* source,
-                                          const Frame* target,
-                                          mojom::HTMLMessageEvent* event) = 0;
-
-  virtual void LoadingStateChanged(bool loading, double progress) = 0;
-
-  virtual void TitleChanged(const mojo::String& title) = 0;
-
-  // |source| is requesting a navigation. If |target_type| is
-  // |EXISTING_FRAME| then |target_frame| identifies the frame to perform the
-  // navigation in, otherwise |target_frame| is not used. |target_frame| may
-  // be null, even for |EXISTING_FRAME|.
-  // TODO(sky): this needs to distinguish between navigate in source, vs new
-  // background tab, vs new foreground tab.
-  virtual void NavigateTopLevel(Frame* source, mojo::URLRequestPtr request) = 0;
-
-  // Asks the client if navigation is allowed. If the navigation is allowed
-  // |callback| should be called to continue the navigation. |callback|
-  // may be called synchronously or asynchronously. In the callback
-  // mus::mojom::WindowTreeClientPtr should only be set if an app other than
-  // frame->app_id() is used to render |request|.
-  virtual void CanNavigateFrame(Frame* target,
-                                mojo::URLRequestPtr request,
-                                const CanNavigateFrameCallback& callback) = 0;
-
-  // Invoked when a navigation in |frame| has been initiated.
-  virtual void DidStartNavigation(Frame* frame) = 0;
-
-  // Invoked when blink has started displaying the frame.
-  virtual void DidCommitProvisionalLoad(Frame* frame) = 0;
-
-  // Invoked when the frame has changed its own URL.
-  virtual void DidNavigateLocally(Frame* source, const GURL& url) = 0;
-
-  // Notification of various frame state changes. Generally only useful for
-  // tests.
-  virtual void DidCreateFrame(Frame* frame);
-  virtual void DidDestroyFrame(Frame* frame);
-
-  // Invoked when the Window embedded in a Frame premuturely stops rendering
-  // to |frame|'s Window. This could mean any of the following:
-  // . The app crashed.
-  // . There is no app that renders the url.
-  // . The app is still alive, but is shutting down.
-  // Frame does nothing in response to this, but the delegate may wish to take
-  // action.
-  virtual void OnWindowEmbeddedInFrameDisconnected(Frame* frame);
-
-  // Reports the current find state back to our owner.
-  virtual void OnFindInFrameCountUpdated(int32_t request_id,
-                                         Frame* frame,
-                                         int32_t count,
-                                         bool final_update);
-  virtual void OnFindInPageSelectionUpdated(int32_t request_id,
-                                            Frame* frame,
-                                            int32_t active_match_ordinal);
-
- protected:
-  virtual ~FrameTreeDelegate() {}
-};
-
-}  // namespace web_view
-
-#endif  // COMPONENTS_WEB_VIEW_FRAME_TREE_DELEGATE_H_