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| 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 #include "ash/common/system/chromeos/virtual_keyboard/virtual_keyboard_tray.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 | |
| 9 #include "ash/common/keyboard/keyboard_ui.h" | |
| 10 #include "ash/common/shelf/shelf_constants.h" | |
| 11 #include "ash/common/shelf/wm_shelf.h" | |
| 12 #include "ash/common/system/tray/tray_constants.h" | |
| 13 #include "ash/common/wm_shell.h" | |
| 14 #include "ash/common/wm_window.h" | |
| 15 #include "ash/resources/vector_icons/vector_icons.h" | |
| 16 #include "ash/strings/grit/ash_strings.h" | |
| 17 #include "ui/base/l10n/l10n_util.h" | |
| 18 #include "ui/display/display.h" | |
| 19 #include "ui/events/event.h" | |
| 20 #include "ui/gfx/image/image_skia.h" | |
| 21 #include "ui/gfx/paint_vector_icon.h" | |
| 22 #include "ui/keyboard/keyboard_controller.h" | |
| 23 #include "ui/views/controls/image_view.h" | |
| 24 | |
| 25 namespace ash { | |
| 26 | |
| 27 VirtualKeyboardTray::VirtualKeyboardTray(WmShelf* wm_shelf) | |
| 28 : TrayBackgroundView(wm_shelf), | |
| 29 icon_(new views::ImageView), | |
| 30 wm_shelf_(wm_shelf) { | |
| 31 SetInkDropMode(InkDropMode::ON); | |
| 32 SetContentsBackground(false); | |
| 33 | |
| 34 icon_->SetImage(gfx::CreateVectorIcon(kShelfKeyboardIcon, kShelfIconColor)); | |
| 35 SetIconBorderForShelfAlignment(); | |
| 36 tray_container()->AddChildView(icon_); | |
| 37 | |
| 38 // The Shell may not exist in some unit tests. | |
| 39 if (WmShell::HasInstance()) | |
| 40 WmShell::Get()->keyboard_ui()->AddObserver(this); | |
| 41 // Try observing keyboard controller, in case it is already constructed. | |
| 42 ObserveKeyboardController(); | |
| 43 } | |
| 44 | |
| 45 VirtualKeyboardTray::~VirtualKeyboardTray() { | |
| 46 // Try unobserving keyboard controller, in case it still exists. | |
| 47 UnobserveKeyboardController(); | |
| 48 // The Shell may not exist in some unit tests. | |
| 49 if (WmShell::HasInstance()) | |
| 50 WmShell::Get()->keyboard_ui()->RemoveObserver(this); | |
| 51 } | |
| 52 | |
| 53 void VirtualKeyboardTray::SetShelfAlignment(ShelfAlignment alignment) { | |
| 54 if (alignment == shelf_alignment()) | |
| 55 return; | |
| 56 | |
| 57 TrayBackgroundView::SetShelfAlignment(alignment); | |
| 58 SetIconBorderForShelfAlignment(); | |
| 59 } | |
| 60 | |
| 61 base::string16 VirtualKeyboardTray::GetAccessibleNameForTray() { | |
| 62 return l10n_util::GetStringUTF16( | |
| 63 IDS_ASH_VIRTUAL_KEYBOARD_TRAY_ACCESSIBLE_NAME); | |
| 64 } | |
| 65 | |
| 66 void VirtualKeyboardTray::HideBubbleWithView( | |
| 67 const views::TrayBubbleView* bubble_view) {} | |
| 68 | |
| 69 void VirtualKeyboardTray::ClickedOutsideBubble() {} | |
| 70 | |
| 71 bool VirtualKeyboardTray::PerformAction(const ui::Event& event) { | |
| 72 const int64_t display_id = | |
| 73 wm_shelf_->GetWindow()->GetDisplayNearestWindow().id(); | |
| 74 WmShell::Get()->keyboard_ui()->ShowInDisplay(display_id); | |
| 75 // Normally, active status is set when virtual keyboard is shown/hidden, | |
| 76 // however, showing virtual keyboard happens asynchronously and, especially | |
| 77 // the first time, takes some time. We need to set active status here to | |
| 78 // prevent bad things happening if user clicked the button before keyboard is | |
| 79 // shown. | |
| 80 SetIsActive(true); | |
| 81 return true; | |
| 82 } | |
| 83 | |
| 84 void VirtualKeyboardTray::OnKeyboardEnabledStateChanged(bool new_enabled) { | |
| 85 SetVisible(new_enabled); | |
| 86 if (new_enabled) { | |
| 87 // Observe keyboard controller to detect when the virtual keyboard is | |
| 88 // shown/hidden. | |
| 89 ObserveKeyboardController(); | |
| 90 } else { | |
| 91 // Try unobserving keyboard controller, in case it is not yet destroyed. | |
| 92 UnobserveKeyboardController(); | |
| 93 } | |
| 94 } | |
| 95 | |
| 96 void VirtualKeyboardTray::OnKeyboardBoundsChanging( | |
| 97 const gfx::Rect& new_bounds) { | |
| 98 SetIsActive(!new_bounds.IsEmpty()); | |
| 99 } | |
| 100 | |
| 101 void VirtualKeyboardTray::OnKeyboardClosed() {} | |
| 102 | |
| 103 void VirtualKeyboardTray::SetIconBorderForShelfAlignment() { | |
| 104 const gfx::ImageSkia& image = icon_->GetImage(); | |
| 105 const int vertical_padding = (kTrayItemSize - image.height()) / 2; | |
| 106 const int horizontal_padding = (kTrayItemSize - image.width()) / 2; | |
| 107 icon_->SetBorder(views::CreateEmptyBorder( | |
| 108 gfx::Insets(vertical_padding, horizontal_padding))); | |
| 109 } | |
| 110 | |
| 111 void VirtualKeyboardTray::ObserveKeyboardController() { | |
| 112 keyboard::KeyboardController* keyboard_controller = | |
| 113 keyboard::KeyboardController::GetInstance(); | |
| 114 if (keyboard_controller) | |
| 115 keyboard_controller->AddObserver(this); | |
| 116 } | |
| 117 | |
| 118 void VirtualKeyboardTray::UnobserveKeyboardController() { | |
| 119 keyboard::KeyboardController* keyboard_controller = | |
| 120 keyboard::KeyboardController::GetInstance(); | |
| 121 if (keyboard_controller) | |
| 122 keyboard_controller->RemoveObserver(this); | |
| 123 } | |
| 124 | |
| 125 } // namespace ash | |
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