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// Copyright (c) 2010 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 CHROME_BROWSER_VIEWS_RELOAD_BUTTON_H__
#define CHROME_BROWSER_VIEWS_RELOAD_BUTTON_H__
#pragma once
#include "base/basictypes.h"
#include "base/gtest_prod_util.h"
#include "base/timer.h"
#include "views/controls/button/image_button.h"
class Browser;
class LocationBarView;
////////////////////////////////////////////////////////////////////////////////
//
// ReloadButton
//
// The reload button in the toolbar, which changes to a stop button when a page
// load is in progress. Trickiness comes from the desire to have the 'stop'
// button not change back to 'reload' if the user's mouse is hovering over it
// (to prevent mis-clicks).
//
////////////////////////////////////////////////////////////////////////////////
class ReloadButton : public views::ToggleImageButton,
public views::ButtonListener {
public:
enum Mode { MODE_RELOAD = 0, MODE_STOP };
ReloadButton(LocationBarView* location_bar, Browser* Browser);
virtual ~ReloadButton();
// Ask for a specified button state. If |force| is true this will be applied
// immediately.
void ChangeMode(Mode mode, bool force);
// Overridden from views::ButtonListener:
virtual void ButtonPressed(views::Button* /* button */,
const views::Event& event);
// Overridden from views::View:
virtual void OnMouseExited(const views::MouseEvent& e);
virtual bool GetTooltipText(const gfx::Point& p, std::wstring* tooltip);
private:
friend class ReloadButtonTest;
void OnDoubleClickTimer();
void OnStopToReloadTimer();
base::OneShotTimer<ReloadButton> double_click_timer_;
base::OneShotTimer<ReloadButton> stop_to_reload_timer_;
// These may be NULL when testing.
LocationBarView* location_bar_;
Browser* browser_;
// The mode we should be in assuming no timers are running.
Mode intended_mode_;
// The currently-visible mode - this may differ from the intended mode.
Mode visible_mode_;
// The delay times for the timers. These are members so that tests can modify
// them.
base::TimeDelta double_click_timer_delay_;
base::TimeDelta stop_to_reload_timer_delay_;
// TESTING ONLY
// True if we should pretend the button is hovered.
bool testing_mouse_hovered_;
// Increments when we would tell the browser to "reload", so
// test code can tell whether we did so (as there may be no |browser_|).
int testing_reload_count_;
DISALLOW_IMPLICIT_CONSTRUCTORS(ReloadButton);
};
#endif // CHROME_BROWSER_VIEWS_RELOAD_BUTTON_H__
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