cef/libcef/browser/views/view_adapter.h

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2.0 KiB
C++

// Copyright 2016 The Chromium Embedded Framework 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 CEF_LIBCEF_BROWSER_VIEWS_VIEW_ADAPTER_H_
#define CEF_LIBCEF_BROWSER_VIEWS_VIEW_ADAPTER_H_
#pragma once
#include "include/views/cef_view.h"
namespace base {
class DictionaryValue;
}
namespace views {
class View;
}
// Exposes a common interface from all CefView implementation objects to
// simplify the view_util implementation. See comments in view_impl.h for a
// usage overview.
class CefViewAdapter {
public:
CefViewAdapter() {}
// Returns the CefViewAdapter for the specified |view|.
static CefViewAdapter* GetFor(CefRefPtr<CefView> view);
static CefViewAdapter* GetFor(views::View* view);
// Returns the underlying views::View object. Does not transfer ownership.
virtual views::View* Get() const = 0;
// Pass ownership of the underlying views::View object to the caller. This
// object keeps an unowned reference to the views::View object. This is called
// when the views::View is parented to another views::View.
virtual std::unique_ptr<views::View> PassOwnership() = 0;
// Resume ownership of the underlying views::View object. This is called when
// the views::View is no longer parented to another views::View.
virtual void ResumeOwnership() = 0;
// Release all references to the views::View object. This is called when the
// views::View is deleted after being parented to another views::View.
virtual void Detach() = 0;
// Override this method to provide a string representation of the View type.
// Only implement this method in concrete classes.
virtual std::string GetDebugType() = 0;
// Override this method to provide debug info specific to the View type.
virtual void GetDebugInfo(base::DictionaryValue* info,
bool include_children) = 0;
protected:
virtual ~CefViewAdapter() {}
};
#endif // CEF_LIBCEF_BROWSER_VIEWS_VIEW_ADAPTER_H_