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| 1 // Copyright (c) 2012 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/system/status_area_widget_delegate.h" | |
| 6 | |
| 7 #include "ash/ash_export.h" | |
| 8 #include "ash/common/ash_switches.h" | |
| 9 #include "ash/common/focus_cycler.h" | |
| 10 #include "ash/common/material_design/material_design_controller.h" | |
| 11 #include "ash/common/shelf/shelf_constants.h" | |
| 12 #include "ash/common/shelf/wm_shelf_util.h" | |
| 13 #include "ash/common/shell_window_ids.h" | |
| 14 #include "ash/common/system/tray/tray_constants.h" | |
| 15 #include "ash/common/wm_shell.h" | |
| 16 #include "base/strings/utf_string_conversions.h" | |
| 17 #include "ui/compositor/layer.h" | |
| 18 #include "ui/compositor/scoped_layer_animation_settings.h" | |
| 19 #include "ui/gfx/animation/tween.h" | |
| 20 #include "ui/gfx/canvas.h" | |
| 21 #include "ui/gfx/image/image.h" | |
| 22 #include "ui/views/accessible_pane_view.h" | |
| 23 #include "ui/views/border.h" | |
| 24 #include "ui/views/layout/grid_layout.h" | |
| 25 #include "ui/views/widget/widget.h" | |
| 26 | |
| 27 namespace { | |
| 28 | |
| 29 const int kAnimationDurationMs = 250; | |
| 30 | |
| 31 class StatusAreaWidgetDelegateAnimationSettings | |
| 32 : public ui::ScopedLayerAnimationSettings { | |
| 33 public: | |
| 34 explicit StatusAreaWidgetDelegateAnimationSettings(ui::Layer* layer) | |
| 35 : ui::ScopedLayerAnimationSettings(layer->GetAnimator()) { | |
| 36 SetTransitionDuration( | |
| 37 base::TimeDelta::FromMilliseconds(kAnimationDurationMs)); | |
| 38 SetPreemptionStrategy(ui::LayerAnimator::IMMEDIATELY_ANIMATE_TO_NEW_TARGET); | |
| 39 SetTweenType(gfx::Tween::EASE_IN_OUT); | |
| 40 } | |
| 41 | |
| 42 ~StatusAreaWidgetDelegateAnimationSettings() override {} | |
| 43 | |
| 44 private: | |
| 45 DISALLOW_COPY_AND_ASSIGN(StatusAreaWidgetDelegateAnimationSettings); | |
| 46 }; | |
| 47 | |
| 48 } // namespace | |
| 49 | |
| 50 namespace ash { | |
| 51 | |
| 52 StatusAreaWidgetDelegate::StatusAreaWidgetDelegate() | |
| 53 : focus_cycler_for_testing_(nullptr), alignment_(SHELF_ALIGNMENT_BOTTOM) { | |
| 54 // Allow the launcher to surrender the focus to another window upon | |
| 55 // navigation completion by the user. | |
| 56 set_allow_deactivate_on_esc(true); | |
| 57 SetPaintToLayer(true); | |
| 58 layer()->SetFillsBoundsOpaquely(false); | |
| 59 } | |
| 60 | |
| 61 StatusAreaWidgetDelegate::~StatusAreaWidgetDelegate() {} | |
| 62 | |
| 63 void StatusAreaWidgetDelegate::SetFocusCyclerForTesting( | |
| 64 const FocusCycler* focus_cycler) { | |
| 65 focus_cycler_for_testing_ = focus_cycler; | |
| 66 } | |
| 67 | |
| 68 views::View* StatusAreaWidgetDelegate::GetDefaultFocusableChild() { | |
| 69 return child_at(0); | |
| 70 } | |
| 71 | |
| 72 views::Widget* StatusAreaWidgetDelegate::GetWidget() { | |
| 73 return View::GetWidget(); | |
| 74 } | |
| 75 | |
| 76 const views::Widget* StatusAreaWidgetDelegate::GetWidget() const { | |
| 77 return View::GetWidget(); | |
| 78 } | |
| 79 | |
| 80 void StatusAreaWidgetDelegate::OnGestureEvent(ui::GestureEvent* event) { | |
| 81 aura::Window* target_window = static_cast<views::View*>(event->target()) | |
| 82 ->GetWidget() | |
| 83 ->GetNativeWindow(); | |
| 84 if (gesture_handler_.ProcessGestureEvent(*event, target_window)) | |
| 85 event->StopPropagation(); | |
| 86 else | |
| 87 views::AccessiblePaneView::OnGestureEvent(event); | |
| 88 } | |
| 89 | |
| 90 bool StatusAreaWidgetDelegate::CanActivate() const { | |
| 91 // We don't want mouse clicks to activate us, but we need to allow | |
| 92 // activation when the user is using the keyboard (FocusCycler). | |
| 93 const FocusCycler* focus_cycler = focus_cycler_for_testing_ | |
| 94 ? focus_cycler_for_testing_ | |
| 95 : WmShell::Get()->focus_cycler(); | |
| 96 return focus_cycler->widget_activating() == GetWidget(); | |
| 97 } | |
| 98 | |
| 99 void StatusAreaWidgetDelegate::DeleteDelegate() {} | |
| 100 | |
| 101 void StatusAreaWidgetDelegate::AddTray(views::View* tray) { | |
| 102 SetLayoutManager(NULL); // Reset layout manager before adding a child. | |
| 103 AddChildView(tray); | |
| 104 // Set the layout manager with the new list of children. | |
| 105 UpdateLayout(); | |
| 106 } | |
| 107 | |
| 108 void StatusAreaWidgetDelegate::UpdateLayout() { | |
| 109 // Use a grid layout so that the trays can be centered in each cell, and | |
| 110 // so that the widget gets laid out correctly when tray sizes change. | |
| 111 views::GridLayout* layout = new views::GridLayout(this); | |
| 112 SetLayoutManager(layout); | |
| 113 | |
| 114 // Update tray border based on layout. | |
| 115 bool is_child_on_edge = true; | |
| 116 for (int c = 0; c < child_count(); ++c) { | |
| 117 views::View* child = child_at(c); | |
| 118 if (!child->visible()) | |
| 119 continue; | |
| 120 SetBorderOnChild(child, is_child_on_edge); | |
| 121 is_child_on_edge = false; | |
| 122 } | |
| 123 | |
| 124 views::ColumnSet* columns = layout->AddColumnSet(0); | |
| 125 | |
| 126 if (IsHorizontalAlignment(alignment_)) { | |
| 127 bool is_first_visible_child = true; | |
| 128 for (int c = child_count() - 1; c >= 0; --c) { | |
| 129 views::View* child = child_at(c); | |
| 130 if (!child->visible()) | |
| 131 continue; | |
| 132 if (!is_first_visible_child) | |
| 133 columns->AddPaddingColumn(0, GetTrayConstant(TRAY_SPACING)); | |
| 134 is_first_visible_child = false; | |
| 135 columns->AddColumn(views::GridLayout::CENTER, views::GridLayout::FILL, | |
| 136 0, /* resize percent */ | |
| 137 views::GridLayout::USE_PREF, 0, 0); | |
| 138 } | |
| 139 layout->StartRow(0, 0); | |
| 140 for (int c = child_count() - 1; c >= 0; --c) { | |
| 141 views::View* child = child_at(c); | |
| 142 if (child->visible()) | |
| 143 layout->AddView(child); | |
| 144 } | |
| 145 } else { | |
| 146 columns->AddColumn(views::GridLayout::FILL, views::GridLayout::CENTER, | |
| 147 0, /* resize percent */ | |
| 148 views::GridLayout::USE_PREF, 0, 0); | |
| 149 bool is_first_visible_child = true; | |
| 150 for (int c = child_count() - 1; c >= 0; --c) { | |
| 151 views::View* child = child_at(c); | |
| 152 if (!child->visible()) | |
| 153 continue; | |
| 154 if (!is_first_visible_child) | |
| 155 layout->AddPaddingRow(0, GetTrayConstant(TRAY_SPACING)); | |
| 156 is_first_visible_child = false; | |
| 157 layout->StartRow(0, 0); | |
| 158 layout->AddView(child); | |
| 159 } | |
| 160 } | |
| 161 | |
| 162 layer()->GetAnimator()->StopAnimating(); | |
| 163 StatusAreaWidgetDelegateAnimationSettings settings(layer()); | |
| 164 | |
| 165 Layout(); | |
| 166 UpdateWidgetSize(); | |
| 167 } | |
| 168 | |
| 169 void StatusAreaWidgetDelegate::ChildPreferredSizeChanged(View* child) { | |
| 170 // Need to resize the window when trays or items are added/removed. | |
| 171 StatusAreaWidgetDelegateAnimationSettings settings(layer()); | |
| 172 UpdateWidgetSize(); | |
| 173 } | |
| 174 | |
| 175 void StatusAreaWidgetDelegate::ChildVisibilityChanged(View* child) { | |
| 176 UpdateLayout(); | |
| 177 } | |
| 178 | |
| 179 void StatusAreaWidgetDelegate::UpdateWidgetSize() { | |
| 180 if (GetWidget()) | |
| 181 GetWidget()->SetSize(GetPreferredSize()); | |
| 182 } | |
| 183 | |
| 184 void StatusAreaWidgetDelegate::SetBorderOnChild(views::View* child, | |
| 185 bool extend_border_to_edge) { | |
| 186 const int shelf_size = GetShelfConstant(SHELF_SIZE); | |
| 187 const int item_height = GetTrayConstant(TRAY_ITEM_HEIGHT_LEGACY); | |
| 188 int top_edge, left_edge, bottom_edge, right_edge; | |
| 189 | |
| 190 // Tray views are laid out right-to-left or bottom-to-top. | |
| 191 if (MaterialDesignController::IsShelfMaterial()) { | |
| 192 const bool horizontal_alignment = IsHorizontalAlignment(alignment_); | |
| 193 const int padding = (shelf_size - item_height) / 2; | |
| 194 const int extended_padding = | |
| 195 GetTrayConstant(TRAY_PADDING_FROM_EDGE_OF_SHELF); | |
| 196 | |
| 197 top_edge = horizontal_alignment ? padding : 0; | |
| 198 left_edge = horizontal_alignment ? 0 : padding; | |
| 199 bottom_edge = horizontal_alignment | |
| 200 ? padding | |
| 201 : (extend_border_to_edge ? extended_padding : 0); | |
| 202 right_edge = horizontal_alignment | |
| 203 ? (extend_border_to_edge ? extended_padding : 0) | |
| 204 : padding; | |
| 205 } else { | |
| 206 bool on_edge = (child == child_at(0)); | |
| 207 if (IsHorizontalAlignment(alignment_)) { | |
| 208 top_edge = kShelfItemInset; | |
| 209 left_edge = 0; | |
| 210 bottom_edge = shelf_size - kShelfItemInset - item_height; | |
| 211 right_edge = | |
| 212 on_edge ? GetTrayConstant(TRAY_PADDING_FROM_EDGE_OF_SHELF) : 0; | |
| 213 } else if (alignment_ == SHELF_ALIGNMENT_LEFT) { | |
| 214 top_edge = 0; | |
| 215 left_edge = shelf_size - kShelfItemInset - item_height; | |
| 216 bottom_edge = | |
| 217 on_edge ? GetTrayConstant(TRAY_PADDING_FROM_EDGE_OF_SHELF) : 0; | |
| 218 right_edge = kShelfItemInset; | |
| 219 } else { // SHELF_ALIGNMENT_RIGHT | |
| 220 top_edge = 0; | |
| 221 left_edge = kShelfItemInset; | |
| 222 bottom_edge = | |
| 223 on_edge ? GetTrayConstant(TRAY_PADDING_FROM_EDGE_OF_SHELF) : 0; | |
| 224 right_edge = shelf_size - kShelfItemInset - item_height; | |
| 225 } | |
| 226 } | |
| 227 child->SetBorder(views::Border::CreateEmptyBorder(top_edge, left_edge, | |
| 228 bottom_edge, right_edge)); | |
| 229 } | |
| 230 | |
| 231 } // namespace ash | |
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Chromium Code Reviews
Issue 2109193002:
mash: Convert StatusAreaWidgetDelegate to wm common types (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master