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// Copyright (c) 2011 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 VIEWS_TOUCHUI_TOUCH_SELECTION_CONTROLLER_H_
#define VIEWS_TOUCHUI_TOUCH_SELECTION_CONTROLLER_H_
#pragma once
#include "ui/base/models/simple_menu_model.h"
#include "ui/gfx/point.h"
#include "views/view.h"
namespace views {
// An interface implemented by a View that has text that can be selected.
class VIEWS_EXPORT TouchSelectionClientView
: public View,
public ui::SimpleMenuModel::Delegate {
public:
// Select everything between start and end (points are in view's local
// coordinate system). |start| is the logical start and |end| is the logical
// end of selection. Visually, |start| may lie after |end|.
virtual void SelectRect(const gfx::Point& start, const gfx::Point& end) = 0;
protected:
virtual ~TouchSelectionClientView() {}
};
// This defines the callback interface for other code to be notified of changes
// in the state of a TouchSelectionClientView.
class VIEWS_EXPORT TouchSelectionController {
public:
virtual ~TouchSelectionController() {}
// Creates a TouchSelectionController. Caller owns the returned object.
static TouchSelectionController* create(
TouchSelectionClientView* client_view);
// Notification that the text selection in TouchSelectionClientView has
// changed. p1 and p2 are lower corners of the start and end of selection:
// ____________________________________
// | textfield with |selected text| |
// ------------------------------------
// ^p1 ^p2
//
// p1 is always the start and p2 is always the end of selection. Hence,
// p1 could be to the right of p2 in the figure above.
virtual void SelectionChanged(const gfx::Point& p1, const gfx::Point& p2) = 0;
// Notification that the TouchSelectionClientView has lost focus.
virtual void ClientViewLostFocus() = 0;
};
} // namespace views
#endif // VIEWS_TOUCHUI_TOUCH_SELECTION_CONTROLLER_H_
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