Blame - ash/shelf/app_list_button.h - chromium/src

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James Cook	b0bf8e8	2017-04-09 17:01:44	[diff] [blame]	1	// Copyright 2014 The Chromium Authors. All rights reserved.
				2	// Use of this source code is governed by a BSD-style license that can be
				3	// found in the LICENSE file.
				4
				5	#ifndef ASH_SHELF_APP_LIST_BUTTON_H_
				6	#define ASH_SHELF_APP_LIST_BUTTON_H_
				7
				8	#include <memory>
				9
				10	#include "ash/ash_export.h"
Michael Giuffrida	01adeb07	2019-03-21 22:05:30	[diff] [blame]	11	#include "ash/shelf/app_list_button_controller.h"
Manu Cornet	40f90812	2018-11-08 23:15:25	[diff] [blame]	12	#include "ash/shelf/shelf_control_button.h"
James Cook	b0bf8e8	2017-04-09 17:01:44	[diff] [blame]	13	#include "base/macros.h"
Ahmed Mehfooz	6509620f	2019-05-21 20:35:12	[diff] [blame^]	14	#include "ui/views/view_targeter_delegate.h"
xiaohuic	fb5c54fc	2017-06-28 17:32:02	[diff] [blame]	15
James Cook	b0bf8e8	2017-04-09 17:01:44	[diff] [blame]	16	namespace ash {
Sammie Quon	9b911f2f	2017-12-15 02:53:15	[diff] [blame]	17
James Cook	840177e	2017-05-25 02:20:01	[diff] [blame]	18	class Shelf;
James Cook	b0bf8e8	2017-04-09 17:01:44	[diff] [blame]	19	class ShelfView;
James Cook	b0bf8e8	2017-04-09 17:01:44	[diff] [blame]	20
Michael Giuffrida	01adeb07	2019-03-21 22:05:30	[diff] [blame]	21	// Button used for the AppList icon on the shelf. It opens the app list (in
				22	// clamshell mode) or home screen (in tablet mode). Because the clamshell-mode
				23	// app list appears like a dismissable overlay, the button is highlighted while
				24	// the app list is open in clamshell mode.
				25	//
				26	// If Assistant is enabled, the button is filled in; long-pressing it will
				27	// launch Assistant.
Ahmed Mehfooz	6509620f	2019-05-21 20:35:12	[diff] [blame^]	28	class ASH_EXPORT AppListButton : public ShelfControlButton,
				29	public views::ViewTargeterDelegate {
James Cook	b0bf8e8	2017-04-09 17:01:44	[diff] [blame]	30	public:
Manu Cornet	c006633	2019-02-20 19:26:03	[diff] [blame]	31	static const char kViewClassName[];
				32
Manu Cornet	e363aec	2019-01-13 13:07:07	[diff] [blame]	33	AppListButton(ShelfView* shelf_view, Shelf* shelf);
James Cook	b0bf8e8	2017-04-09 17:01:44	[diff] [blame]	34	~AppListButton() override;
				35
Manu Cornet	e363aec	2019-01-13 13:07:07	[diff] [blame]	36	// views::Button:
James Cook	b0bf8e8	2017-04-09 17:01:44	[diff] [blame]	37	void OnGestureEvent(ui::GestureEvent* event) override;
Manu Cornet	c006633	2019-02-20 19:26:03	[diff] [blame]	38	const char* GetClassName() const override;
James Cook	b0bf8e8	2017-04-09 17:01:44	[diff] [blame]	39
Michael Giuffrida	01adeb07	2019-03-21 22:05:30	[diff] [blame]	40	// Called when the availability of a long-press gesture may have changed, e.g.
				41	// when Assistant becomes enabled.
				42	void OnVoiceInteractionAvailabilityChanged();
				43
				44	// True if the app list is shown for the display containing this button.
				45	bool IsShowingAppList() const;
				46
James Cook	b0bf8e8	2017-04-09 17:01:44	[diff] [blame]	47	protected:
Manu Cornet	e363aec	2019-01-13 13:07:07	[diff] [blame]	48	// views::Button:
Evan Stade	bad2bc6	2017-05-30 21:53:24	[diff] [blame]	49	void PaintButtonContents(gfx::Canvas* canvas) override;
James Cook	b0bf8e8	2017-04-09 17:01:44	[diff] [blame]	50
				51	private:
Ahmed Mehfooz	6509620f	2019-05-21 20:35:12	[diff] [blame^]	52	// views::ViewTargeterDelegate:
				53	bool DoesIntersectRect(const views::View* target,
				54	const gfx::Rect& rect) const override;
				55
Michael Giuffrida	01adeb07	2019-03-21 22:05:30	[diff] [blame]	56	// The controller used to determine the button's behavior.
				57	AppListButtonController controller_;
Xiaohui Chen	294e7bd	2017-06-13 16:57:38	[diff] [blame]	58
James Cook	b0bf8e8	2017-04-09 17:01:44	[diff] [blame]	59	DISALLOW_COPY_AND_ASSIGN(AppListButton);
				60	};
				61
				62	} // namespace ash
				63
				64	#endif // ASH_SHELF_APP_LIST_BUTTON_H_