blob: 56d8fe363752f1946999e232583eba83e1f60ba3 [file] [log] [blame]
// Copyright 2013 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.
#include "ui/gfx/native_widget_types.h"
namespace gfx {
class Point;
class Size;
} // namespace gfx
namespace web_modal {
// Observer to be implemented to update modal dialogs when the host indicates
// their position needs to be changed.
class ModalDialogHostObserver {
virtual ~ModalDialogHostObserver();
virtual void OnPositionRequiresUpdate() = 0;
virtual void OnHostDestroying() = 0;
// Interface for supporting positioning of modal dialogs over a window/widget.
class ModalDialogHost {
virtual ~ModalDialogHost();
// Returns the view against which the dialog is positioned and parented.
virtual gfx::NativeView GetHostView() const = 0;
// Gets the position for the dialog in coordinates relative to the host view.
virtual gfx::Point GetDialogPosition(const gfx::Size& size) = 0;
// Returns whether a dialog currently about to be shown should be activated.
virtual bool ShouldActivateDialog() const;
// Add/remove observer.
virtual void AddObserver(ModalDialogHostObserver* observer) = 0;
virtual void RemoveObserver(ModalDialogHostObserver* observer) = 0;
} // namespace web_modal