[M108 Migration] Support standard build for armv7hl architecture
[platform/framework/web/chromium-efl.git] / ash / shell_tab_handler.cc
1 // Copyright 2020 The Chromium Authors
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 "shell_tab_handler.h"
6
7 #include "ash/capture_mode/capture_mode_util.h"
8 #include "ash/focus_cycler.h"
9 #include "ash/shelf/shelf.h"
10 #include "ash/shelf/shelf_navigation_widget.h"
11 #include "ash/shell.h"
12 #include "ash/system/status_area_widget.h"
13 #include "ash/wm/tablet_mode/tablet_mode_controller.h"
14 #include "ash/wm/window_util.h"
15 #include "ui/events/event.h"
16 #include "ui/wm/public/activation_client.h"
17
18 namespace ash {
19
20 void ShellTabHandler::OnKeyEvent(ui::KeyEvent* key_event) {
21   // Only focus the shelf if the device is in clamshell mode, and the user
22   // pressed tab.
23   if (key_event->key_code() != ui::KeyboardCode::VKEY_TAB ||
24       key_event->type() != ui::EventType::ET_KEY_PRESSED ||
25       key_event->IsAltDown() || key_event->IsControlDown() ||
26       key_event->IsCommandDown() ||
27       shell_->tablet_mode_controller()->InTabletMode()) {
28     return;
29   }
30
31   // Capture session will process their own tab events.
32   if (capture_mode_util::IsCaptureModeActive())
33     return;
34
35   aura::Window* root_window_for_new_windows =
36       Shell::GetRootWindowForNewWindows();
37
38   if (!root_window_for_new_windows || window_util::GetActiveWindow())
39     return;
40
41   // If there is no active window, focus the HomeButton or StatusWidget,
42   // depending on whether this is Tab or Shift + Tab. This will allow the
43   // users focus to traverse the shelf.
44   auto* shelf = Shelf::ForWindow(root_window_for_new_windows);
45   views::Widget* status_area_widget = shelf->status_area_widget();
46   views::Widget* navigation_widget = shelf->navigation_widget();
47   shell_->focus_cycler()->FocusWidget(
48       key_event->IsShiftDown() ? status_area_widget : navigation_widget);
49   key_event->SetHandled();
50   key_event->StopPropagation();
51 }
52
53 }  // namespace ash