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// Copyright 2017 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 ASH_LOGIN_UI_LOGIN_USER_VIEW_H_
#define ASH_LOGIN_UI_LOGIN_USER_VIEW_H_
#include "ash/ash_export.h"
#include "ash/login/ui/login_base_bubble_view.h"
#include "ash/login/ui/login_display_style.h"
#include "ash/login/ui/login_user_menu_view.h"
#include "ash/public/cpp/login_types.h"
#include "base/macros.h"
#include "base/scoped_observation.h"
#include "ui/display/manager/display_configurator.h"
#include "ui/views/view.h"
namespace ash {
class HoverNotifier;
class LoginButton;
// Display the user's profile icon, name, and a menu icon in various layout
// styles.
class ASH_EXPORT LoginUserView : public views::View,
public display::DisplayConfigurator::Observer {
public:
// TestApi is used for tests to get internal implementation details.
class ASH_EXPORT TestApi {
public:
explicit TestApi(LoginUserView* view);
~TestApi();
LoginDisplayStyle display_style() const;
const base::string16& displayed_name() const;
views::View* user_label() const;
views::View* tap_button() const;
views::View* dropdown() const;
LoginUserMenuView* menu() const;
views::View* enterprise_icon() const;
void OnTap() const;
bool is_opaque() const;
private:
LoginUserView* const view_;
};
using OnTap = base::RepeatingClosure;
using OnRemoveWarningShown = base::RepeatingClosure;
using OnRemove = base::RepeatingClosure;
// Returns the width of this view for the given display style.
static int WidthForLayoutStyle(LoginDisplayStyle style);
// Use null callbacks for |on_remove_warning_shown| and |on_remove| when
// |show_dropdown| arg is false.
LoginUserView(LoginDisplayStyle style,
bool show_dropdown,
const OnTap& on_tap,
const OnRemoveWarningShown& on_remove_warning_shown,
const OnRemove& on_remove);
~LoginUserView() override;
// Update the user view to display the given user information.
void UpdateForUser(const LoginUserInfo& user, bool animate);
// Set if the view must be opaque.
void SetForceOpaque(bool force_opaque);
// Enables or disables tapping the view.
void SetTapEnabled(bool enabled);
// DisplayConfigurator::Observer
void OnPowerStateChanged(chromeos::DisplayPowerState power_state) override;
const LoginUserInfo& current_user() const { return current_user_; }
// views::View:
const char* GetClassName() const override;
gfx::Size CalculatePreferredSize() const override;
void Layout() override;
void RequestFocus() override;
private:
class UserImage;
class UserLabel;
class TapButton;
// Called when hover state changes.
void OnHover(bool has_hover);
void DropdownButtonPressed();
// Updates UI element values so they reflect the data in |current_user_|.
void UpdateCurrentUserState();
// Updates view opacity based on input state and |force_opaque_|.
void UpdateOpacity();
void SetLargeLayout();
void SetSmallishLayout();
// Executed when the user view is pressed.
OnTap on_tap_;
// Executed when the user has seen the remove user warning.
OnRemoveWarningShown on_remove_warning_shown_;
// Executed when a user-remove has been requested.
OnRemove on_remove_;
// The user that is currently being displayed (or will be displayed when an
// animation completes).
LoginUserInfo current_user_;
// Used to dispatch opacity update events.
std::unique_ptr<HoverNotifier> hover_notifier_;
LoginDisplayStyle display_style_;
UserImage* user_image_ = nullptr;
UserLabel* user_label_ = nullptr;
LoginButton* dropdown_ = nullptr;
TapButton* tap_button_ = nullptr;
// Bubble used for displaying the user dropdown menu. Its parent is the top
// level view, either LockContentsView or LockDebugView. This allows the menu
// to be clicked outside the bounds of the user view.
LoginUserMenuView* menu_ = nullptr;
// True iff the view is currently opaque (ie, opacity = 1).
bool is_opaque_ = false;
// True if the view must be opaque (ie, opacity = 1) regardless of input
// state.
bool force_opaque_ = false;
base::ScopedObservation<display::DisplayConfigurator,
display::DisplayConfigurator::Observer>
display_observation_{this};
DISALLOW_COPY_AND_ASSIGN(LoginUserView);
};
} // namespace ash
#endif // ASH_LOGIN_UI_LOGIN_USER_VIEW_H_