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chromium / chromium / src / 85285b04a02b765d7e4741f1e1588ae520c226d6 / . / ash / shelf / back_button.cc
blob: e20212d3a39d19c647cc19525add7fc4cd52babb [file] [log] [blame]
Sammie Quon9b911f2f2017-12-15 02:53:15[diff] [blame]1// Copyright 2017 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#include "ash/shelf/back_button.h"
6
Sammie Quon6970d572020-03-13 23:18:40[diff] [blame]7#include "ash/keyboard/keyboard_util.h"
Sammie Quon9b911f2f2017-12-15 02:53:15[diff] [blame]8#include "ash/resources/vector_icons/vector_icons.h"
Manu Cornetd9d5b6c2019-07-22 19:01:45[diff] [blame]9#include "ash/shelf/shelf.h"
10#include "ash/shelf/shelf_focus_cycler.h"
Sammie Quon9b911f2f2017-12-15 02:53:15[diff] [blame]11#include "ash/strings/grit/ash_strings.h"
Yulun Wu0ff63932020-08-27 00:27:27[diff] [blame]12#include "ash/style/ash_color_provider.h"
mincha0be38742019-11-12 19:18:23[diff] [blame]13#include "ash/wm/window_state.h"
Sammie Quon6970d572020-03-13 23:18:40[diff] [blame]14#include "ash/wm/window_util.h"
Andrew Xua903f922019-11-07 20:39:44[diff] [blame]15#include "base/metrics/user_metrics.h"
16#include "base/metrics/user_metrics_action.h"
Sammie Quon9b911f2f2017-12-15 02:53:15[diff] [blame]17#include "ui/aura/window.h"
18#include "ui/aura/window_tree_host.h"
19#include "ui/base/l10n/l10n_util.h"
Sammie Quon9b911f2f2017-12-15 02:53:15[diff] [blame]20#include "ui/gfx/canvas.h"
21#include "ui/gfx/paint_vector_icon.h"
Sammie Quon9b911f2f2017-12-15 02:53:15[diff] [blame]22#include "ui/views/widget/widget.h"
23
24namespace ash {
25
Manu Cornetc0066332019-02-20 19:26:03[diff] [blame]26// static
27const char BackButton::kViewClassName[] = "ash/BackButton";
28
Manu Cornetd9d5b6c2019-07-22 19:01:45[diff] [blame]29BackButton::BackButton(Shelf* shelf) : ShelfControlButton(shelf, this) {
Sammie Quon9b911f2f2017-12-15 02:53:15[diff] [blame]30 SetAccessibleName(l10n_util::GetStringUTF16(IDS_ASH_SHELF_BACK_BUTTON_TITLE));
Allen Bauereac9b922020-10-23 22:56:54[diff] [blame]31 SetFlipCanvasOnPaintForRTLUI(true);
Sammie Quon9b911f2f2017-12-15 02:53:15[diff] [blame]32}
33
Alex Newcomer4601bb02019-10-31 00:37:39[diff] [blame]34BackButton::~BackButton() {}
Sammie Quon9b911f2f2017-12-15 02:53:15[diff] [blame]35
Toni Barzic71ebb6fd2020-05-29 17:16:53[diff] [blame]36void BackButton::HandleLocaleChange() {
37 SetAccessibleName(l10n_util::GetStringUTF16(IDS_ASH_SHELF_BACK_BUTTON_TITLE));
38 TooltipTextChanged();
39}
40
Sammie Quon9b911f2f2017-12-15 02:53:15[diff] [blame]41void BackButton::PaintButtonContents(gfx::Canvas* canvas) {
42 // Use PaintButtonContents instead of SetImage so the icon gets drawn at
43 // |GetCenterPoint| coordinates instead of always in the center.
Yulun Wu0ff63932020-08-27 00:27:27[diff] [blame]44 gfx::ImageSkia img = CreateVectorIcon(
Yulun Wu687f9292021-02-09 22:43:28[diff] [blame]45 kShelfBackIcon,
46 AshColorProvider::Get()->GetContentLayerColor(
47 AshColorProvider::ContentLayerType::kButtonIconColor));
Sammie Quon9b911f2f2017-12-15 02:53:15[diff] [blame]48 canvas->DrawImageInt(img, GetCenterPoint().x() - img.width() / 2,
49 GetCenterPoint().y() - img.height() / 2);
50}
51
Manu Cornetc0066332019-02-20 19:26:03[diff] [blame]52const char* BackButton::GetClassName() const {
53 return kViewClassName;
54}
55
Jan Wilken Dörrie85285b02021-03-11 23:38:47[diff] [blame^]56std::u16string BackButton::GetTooltipText(const gfx::Point& p) const {
Manu Cornete11c3c352019-07-31 06:13:41[diff] [blame]57 return GetAccessibleName();
58}
59
Manu Cornetd9d5b6c2019-07-22 19:01:45[diff] [blame]60void BackButton::OnShelfButtonAboutToRequestFocusFromTabTraversal(
61 ShelfButton* button,
62 bool reverse) {
63 DCHECK_EQ(button, this);
64 if (!reverse) {
65 // We're trying to focus this button by advancing from the last view of
66 // the shelf. Let the focus manager advance to the status area instead.
Manu Cornete11c3c352019-07-31 06:13:41[diff] [blame]67 shelf()->shelf_focus_cycler()->FocusOut(reverse,
68 SourceView::kShelfNavigationView);
Manu Cornetd9d5b6c2019-07-22 19:01:45[diff] [blame]69 }
70}
71
72void BackButton::ButtonPressed(views::Button* sender,
73 const ui::Event& event,
74 views::InkDrop* ink_drop) {
Andrew Xua903f922019-11-07 20:39:44[diff] [blame]75 base::RecordAction(base::UserMetricsAction("AppList_BackButtonPressed"));
76
Sammie Quon6970d572020-03-13 23:18:40[diff] [blame]77 if (keyboard_util::CloseKeyboardIfActive())
78 return;
79
80 if (window_util::ShouldMinimizeTopWindowOnBack()) {
81 auto* top_window = window_util::GetTopWindow();
82 DCHECK(top_window);
83 WindowState::Get(top_window)->Minimize();
84 return;
mincha0be38742019-11-12 19:18:23[diff] [blame]85 }
Sammie Quon6970d572020-03-13 23:18:40[diff] [blame]86
87 window_util::SendBackKeyEvent(
88 GetWidget()->GetNativeWindow()->GetRootWindow());
Manu Cornetd9d5b6c2019-07-22 19:01:45[diff] [blame]89}
90
Yulun Wu8924cebb2021-01-12 20:23:28[diff] [blame]91void BackButton::OnThemeChanged() {
92 ShelfControlButton::OnThemeChanged();
93 SchedulePaint();
94}
95
Sammie Quon9b911f2f2017-12-15 02:53:15[diff] [blame]96} // namespace ash