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// 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_FRAME_DELEGATE_H_
#define COMPONENTS_HTML_VIEWER_HTML_FRAME_DELEGATE_H_
#include "components/html_viewer/html_frame.h"
namespace mojo {
class ApplicationImpl;
}
namespace html_viewer {
class HTMLFrameDelegate {
public:
// TODO(yzshen): Remove this check once the browser is able to navigate an
// existing html_viewer instance and about:blank page support is ready.
virtual bool ShouldNavigateLocallyInMainFrame() = 0;
// Invoked when the Frame the delegate is attached to finishes loading. This
// is not invoked for any child frames, only the frame returned from
// HTMLFrameTreeManager::CreateFrameAndAttachToTree().
virtual void OnFrameDidFinishLoad() = 0;
// Returns the ApplicationImpl for the frame.
virtual mojo::ApplicationImpl* GetApp() = 0;
// Creates a new HTMLFrame. The delegate must return non-null.
virtual HTMLFrame* CreateHTMLFrame(HTMLFrame::CreateParams* params) = 0;
// Invoked when the HTMLFrame the delegate is associated with is swapped
// to a remote frame.
virtual void OnFrameSwappedToRemote() = 0;
protected:
virtual ~HTMLFrameDelegate() {}
};
} // namespace html_viewer
#endif // COMPONENTS_HTML_VIEWER_HTML_FRAME_DELEGATE_H_
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