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// 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.
#ifndef CHROME_BROWSER_UI_VIEWS_TOOLBAR_RELOAD_BUTTON_H__
#define CHROME_BROWSER_UI_VIEWS_TOOLBAR_RELOAD_BUTTON_H__
#include "base/basictypes.h"
#include "base/gtest_prod_util.h"
#include "base/timer/timer.h"
#include "chrome/browser/ui/views/toolbar/toolbar_button.h"
#include "ui/base/models/simple_menu_model.h"
#include "ui/views/controls/button/button.h"
class CommandUpdater;
////////////////////////////////////////////////////////////////////////////////
//
// 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 ToolbarButton,
public views::ButtonListener,
public ui::SimpleMenuModel::Delegate {
public:
enum Mode { MODE_RELOAD = 0, MODE_STOP };
// The button's class name.
static const char kViewClassName[];
explicit ReloadButton(CommandUpdater* command_updater);
~ReloadButton() override;
// Ask for a specified button state. If |force| is true this will be applied
// immediately.
void ChangeMode(Mode mode, bool force);
// Enable reload drop-down menu.
void set_menu_enabled(bool enable) { menu_enabled_ = enable; }
void LoadImages();
// ToolbarButton:
void OnMouseExited(const ui::MouseEvent& event) override;
bool GetTooltipText(const gfx::Point& p,
base::string16* tooltip) const override;
const char* GetClassName() const override;
void GetAccessibleState(ui::AXViewState* state) override;
bool ShouldShowMenu() override;
void ShowDropDownMenu(ui::MenuSourceType source_type) override;
// views::ButtonListener:
void ButtonPressed(views::Button* /* button */,
const ui::Event& event) override;
// ui::SimpleMenuModel::Delegate:
bool IsCommandIdChecked(int command_id) const override;
bool IsCommandIdEnabled(int command_id) const override;
bool IsCommandIdVisible(int command_id) const override;
bool GetAcceleratorForCommandId(int command_id,
ui::Accelerator* accelerator) override;
void ExecuteCommand(int command_id, int event_flags) override;
private:
friend class ReloadButtonTest;
ui::SimpleMenuModel* CreateMenuModel();
void ExecuteBrowserCommand(int command, int event_flags);
void ChangeModeInternal(Mode mode);
void OnDoubleClickTimer();
void OnStopToReloadTimer();
base::OneShotTimer<ReloadButton> double_click_timer_;
base::OneShotTimer<ReloadButton> stop_to_reload_timer_;
// This may be NULL when testing.
CommandUpdater* command_updater_;
// 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_;
// Indicates if reload menu is enabled.
bool menu_enabled_;
// 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_UI_VIEWS_TOOLBAR_RELOAD_BUTTON_H__
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