| OLD | NEW |
| (Empty) |
| 1 // Copyright 2016 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/toast/toast_overlay.h" | |
| 6 | |
| 7 #include "ash/common/shelf/wm_shelf.h" | |
| 8 #include "ash/common/wm_shell.h" | |
| 9 #include "ash/common/wm_window.h" | |
| 10 #include "ash/public/cpp/shell_window_ids.h" | |
| 11 #include "ash/root_window_controller.h" | |
| 12 #include "ash/strings/grit/ash_strings.h" | |
| 13 #include "base/strings/string_util.h" | |
| 14 #include "base/strings/utf_string_conversions.h" | |
| 15 #include "base/threading/thread_task_runner_handle.h" | |
| 16 #include "third_party/skia/include/core/SkColor.h" | |
| 17 #include "ui/base/l10n/l10n_util.h" | |
| 18 #include "ui/base/resource/resource_bundle.h" | |
| 19 #include "ui/gfx/canvas.h" | |
| 20 #include "ui/gfx/font_list.h" | |
| 21 #include "ui/views/border.h" | |
| 22 #include "ui/views/controls/button/label_button.h" | |
| 23 #include "ui/views/controls/label.h" | |
| 24 #include "ui/views/layout/box_layout.h" | |
| 25 #include "ui/views/view.h" | |
| 26 #include "ui/views/widget/widget.h" | |
| 27 #include "ui/views/widget/widget_delegate.h" | |
| 28 #include "ui/wm/core/window_animations.h" | |
| 29 | |
| 30 namespace ash { | |
| 31 | |
| 32 namespace { | |
| 33 | |
| 34 // Offset of the overlay from the edge of the work area. | |
| 35 const int kOffset = 5; | |
| 36 | |
| 37 // Font style used for modifier key labels. | |
| 38 const ui::ResourceBundle::FontStyle kTextFontStyle = | |
| 39 ui::ResourceBundle::MediumFont; | |
| 40 | |
| 41 // Duration of slide animation when overlay is shown or hidden. | |
| 42 const int kSlideAnimationDurationMs = 100; | |
| 43 | |
| 44 // Colors for the dismiss button. | |
| 45 const SkColor kButtonBackgroundColor = SkColorSetARGB(0xFF, 0x32, 0x32, 0x32); | |
| 46 const SkColor kButtonTextColor = SkColorSetARGB(0xFF, 0x7B, 0xAA, 0xF7); | |
| 47 | |
| 48 // These values are in DIP. | |
| 49 const int kToastHorizontalSpacing = 16; | |
| 50 const int kToastVerticalSpacing = 16; | |
| 51 const int kToastMaximumWidth = 568; | |
| 52 const int kToastMinimumWidth = 288; | |
| 53 | |
| 54 // Returns the work area bounds for the root window where new windows are added | |
| 55 // (including new toasts). | |
| 56 gfx::Rect GetUserWorkAreaBounds() { | |
| 57 return WmShelf::ForWindow(WmShell::Get()->GetRootWindowForNewWindows()) | |
| 58 ->GetUserWorkAreaBounds(); | |
| 59 } | |
| 60 | |
| 61 } // anonymous namespace | |
| 62 | |
| 63 /////////////////////////////////////////////////////////////////////////////// | |
| 64 // ToastOverlayLabel | |
| 65 class ToastOverlayLabel : public views::Label { | |
| 66 public: | |
| 67 explicit ToastOverlayLabel(const base::string16& label); | |
| 68 ~ToastOverlayLabel() override; | |
| 69 | |
| 70 private: | |
| 71 DISALLOW_COPY_AND_ASSIGN(ToastOverlayLabel); | |
| 72 }; | |
| 73 | |
| 74 ToastOverlayLabel::ToastOverlayLabel(const base::string16& label) { | |
| 75 ui::ResourceBundle* rb = &ui::ResourceBundle::GetSharedInstance(); | |
| 76 | |
| 77 SetText(label); | |
| 78 SetHorizontalAlignment(gfx::ALIGN_LEFT); | |
| 79 SetFontList(rb->GetFontList(kTextFontStyle)); | |
| 80 SetAutoColorReadabilityEnabled(false); | |
| 81 SetMultiLine(true); | |
| 82 SetEnabledColor(SK_ColorWHITE); | |
| 83 SetDisabledColor(SK_ColorWHITE); | |
| 84 SetSubpixelRenderingEnabled(false); | |
| 85 | |
| 86 int verticalSpacing = | |
| 87 kToastVerticalSpacing - (GetPreferredSize().height() - GetBaseline()); | |
| 88 SetBorder(views::CreateEmptyBorder(verticalSpacing, kToastHorizontalSpacing, | |
| 89 verticalSpacing, kToastHorizontalSpacing)); | |
| 90 } | |
| 91 | |
| 92 ToastOverlayLabel::~ToastOverlayLabel() {} | |
| 93 | |
| 94 /////////////////////////////////////////////////////////////////////////////// | |
| 95 // ToastOverlayButton | |
| 96 class ToastOverlayButton : public views::LabelButton { | |
| 97 public: | |
| 98 explicit ToastOverlayButton(views::ButtonListener* listener, | |
| 99 const base::string16& label); | |
| 100 ~ToastOverlayButton() override {} | |
| 101 | |
| 102 private: | |
| 103 friend class ToastOverlay; // for ToastOverlay::ClickDismissButtonForTesting. | |
| 104 | |
| 105 DISALLOW_COPY_AND_ASSIGN(ToastOverlayButton); | |
| 106 }; | |
| 107 | |
| 108 ToastOverlayButton::ToastOverlayButton(views::ButtonListener* listener, | |
| 109 const base::string16& text) | |
| 110 : views::LabelButton(listener, text) { | |
| 111 SetInkDropMode(InkDropMode::ON); | |
| 112 set_has_ink_drop_action_on_click(true); | |
| 113 set_ink_drop_base_color(SK_ColorWHITE); | |
| 114 | |
| 115 ui::ResourceBundle* rb = &ui::ResourceBundle::GetSharedInstance(); | |
| 116 | |
| 117 SetEnabledTextColors(kButtonTextColor); | |
| 118 SetFontList(rb->GetFontList(kTextFontStyle)); | |
| 119 | |
| 120 // Treat the space below the baseline as a margin. | |
| 121 int verticalSpacing = kToastVerticalSpacing - | |
| 122 (GetPreferredSize().height() - label()->GetBaseline()); | |
| 123 SetBorder(views::CreateEmptyBorder(verticalSpacing, kToastHorizontalSpacing, | |
| 124 verticalSpacing, kToastHorizontalSpacing)); | |
| 125 } | |
| 126 | |
| 127 /////////////////////////////////////////////////////////////////////////////// | |
| 128 // ToastOverlayView | |
| 129 class ToastOverlayView : public views::View, public views::ButtonListener { | |
| 130 public: | |
| 131 // This object is not owned by the views hierarchy or by the widget. | |
| 132 ToastOverlayView(ToastOverlay* overlay, | |
| 133 const base::string16& text, | |
| 134 const base::Optional<base::string16>& dismiss_text); | |
| 135 ~ToastOverlayView() override; | |
| 136 | |
| 137 // views::View overrides: | |
| 138 void OnPaint(gfx::Canvas* canvas) override; | |
| 139 | |
| 140 ToastOverlayButton* button() { return button_; } | |
| 141 | |
| 142 private: | |
| 143 // views::View overrides: | |
| 144 gfx::Size GetMaximumSize() const override; | |
| 145 gfx::Size GetMinimumSize() const override; | |
| 146 | |
| 147 // views::ButtonListener overrides: | |
| 148 void ButtonPressed(views::Button* sender, const ui::Event& event) override; | |
| 149 | |
| 150 ToastOverlay* overlay_ = nullptr; // weak | |
| 151 ToastOverlayButton* button_ = nullptr; // weak | |
| 152 | |
| 153 DISALLOW_COPY_AND_ASSIGN(ToastOverlayView); | |
| 154 }; | |
| 155 | |
| 156 ToastOverlayView::ToastOverlayView( | |
| 157 ToastOverlay* overlay, | |
| 158 const base::string16& text, | |
| 159 const base::Optional<base::string16>& dismiss_text) | |
| 160 : overlay_(overlay) { | |
| 161 auto* layout = new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0, 0); | |
| 162 SetLayoutManager(layout); | |
| 163 | |
| 164 if (dismiss_text.has_value()) { | |
| 165 button_ = new ToastOverlayButton( | |
| 166 this, dismiss_text.value().empty() | |
| 167 ? l10n_util::GetStringUTF16(IDS_ASH_TOAST_DISMISS_BUTTON) | |
| 168 : dismiss_text.value()); | |
| 169 } | |
| 170 | |
| 171 ToastOverlayLabel* label = new ToastOverlayLabel(text); | |
| 172 AddChildView(label); | |
| 173 layout->SetFlexForView(label, 1); | |
| 174 | |
| 175 if (button_) { | |
| 176 label->SetMaximumWidth( | |
| 177 GetMaximumSize().width() - button_->GetPreferredSize().width() - | |
| 178 kToastHorizontalSpacing * 2 - kToastHorizontalSpacing * 2); | |
| 179 AddChildView(button_); | |
| 180 } | |
| 181 } | |
| 182 | |
| 183 ToastOverlayView::~ToastOverlayView() {} | |
| 184 | |
| 185 void ToastOverlayView::OnPaint(gfx::Canvas* canvas) { | |
| 186 cc::PaintFlags flags; | |
| 187 flags.setStyle(cc::PaintFlags::kFill_Style); | |
| 188 flags.setColor(kButtonBackgroundColor); | |
| 189 canvas->DrawRoundRect(GetLocalBounds(), 2, flags); | |
| 190 views::View::OnPaint(canvas); | |
| 191 } | |
| 192 | |
| 193 gfx::Size ToastOverlayView::GetMinimumSize() const { | |
| 194 return gfx::Size(kToastMinimumWidth, 0); | |
| 195 } | |
| 196 | |
| 197 gfx::Size ToastOverlayView::GetMaximumSize() const { | |
| 198 gfx::Rect work_area_bounds = GetUserWorkAreaBounds(); | |
| 199 return gfx::Size(kToastMaximumWidth, work_area_bounds.height() - kOffset * 2); | |
| 200 } | |
| 201 | |
| 202 void ToastOverlayView::ButtonPressed(views::Button* sender, | |
| 203 const ui::Event& event) { | |
| 204 DCHECK_EQ(button_, sender); | |
| 205 overlay_->Show(false); | |
| 206 } | |
| 207 | |
| 208 /////////////////////////////////////////////////////////////////////////////// | |
| 209 // ToastOverlay | |
| 210 ToastOverlay::ToastOverlay(Delegate* delegate, | |
| 211 const base::string16& text, | |
| 212 base::Optional<base::string16> dismiss_text) | |
| 213 : delegate_(delegate), | |
| 214 text_(text), | |
| 215 dismiss_text_(dismiss_text), | |
| 216 overlay_widget_(new views::Widget), | |
| 217 overlay_view_(new ToastOverlayView(this, text, dismiss_text)), | |
| 218 widget_size_(overlay_view_->GetPreferredSize()) { | |
| 219 views::Widget::InitParams params; | |
| 220 params.type = views::Widget::InitParams::TYPE_POPUP; | |
| 221 params.name = "ToastOverlay"; | |
| 222 params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW; | |
| 223 params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET; | |
| 224 params.accept_events = true; | |
| 225 params.keep_on_top = true; | |
| 226 params.remove_standard_frame = true; | |
| 227 params.bounds = CalculateOverlayBounds(); | |
| 228 // Show toasts above the app list and below the lock screen. | |
| 229 WmShell::Get() | |
| 230 ->GetRootWindowForNewWindows() | |
| 231 ->GetRootWindowController() | |
| 232 ->ConfigureWidgetInitParamsForContainer( | |
| 233 overlay_widget_.get(), kShellWindowId_SystemModalContainer, ¶ms); | |
| 234 overlay_widget_->Init(params); | |
| 235 overlay_widget_->SetVisibilityChangedAnimationsEnabled(true); | |
| 236 overlay_widget_->SetContentsView(overlay_view_.get()); | |
| 237 overlay_widget_->SetBounds(CalculateOverlayBounds()); | |
| 238 | |
| 239 WmWindow* overlay_window = WmWindow::Get(overlay_widget_->GetNativeWindow()); | |
| 240 overlay_window->SetVisibilityAnimationType( | |
| 241 ::wm::WINDOW_VISIBILITY_ANIMATION_TYPE_VERTICAL); | |
| 242 overlay_window->SetVisibilityAnimationDuration( | |
| 243 base::TimeDelta::FromMilliseconds(kSlideAnimationDurationMs)); | |
| 244 } | |
| 245 | |
| 246 ToastOverlay::~ToastOverlay() { | |
| 247 overlay_widget_->Close(); | |
| 248 } | |
| 249 | |
| 250 void ToastOverlay::Show(bool visible) { | |
| 251 if (overlay_widget_->GetLayer()->GetTargetVisibility() == visible) | |
| 252 return; | |
| 253 | |
| 254 ui::LayerAnimator* animator = overlay_widget_->GetLayer()->GetAnimator(); | |
| 255 DCHECK(animator); | |
| 256 if (animator->is_animating()) { | |
| 257 // Showing during hiding animation doesn't happen since, ToastOverlay should | |
| 258 // be one-time-use and not be reused. | |
| 259 DCHECK(!visible); | |
| 260 | |
| 261 return; | |
| 262 } | |
| 263 | |
| 264 base::TimeDelta original_duration = animator->GetTransitionDuration(); | |
| 265 ui::ScopedLayerAnimationSettings animation_settings(animator); | |
| 266 // ScopedLayerAnimationSettings ctor chanes the transition duration, so change | |
| 267 // back it to the original value (should be zero). | |
| 268 animation_settings.SetTransitionDuration(original_duration); | |
| 269 | |
| 270 animation_settings.AddObserver(this); | |
| 271 | |
| 272 if (visible) { | |
| 273 overlay_widget_->Show(); | |
| 274 | |
| 275 // Notify accessibility about the overlay. | |
| 276 overlay_view_->NotifyAccessibilityEvent(ui::AX_EVENT_ALERT, false); | |
| 277 } else { | |
| 278 overlay_widget_->Hide(); | |
| 279 } | |
| 280 } | |
| 281 | |
| 282 gfx::Rect ToastOverlay::CalculateOverlayBounds() { | |
| 283 gfx::Rect bounds = GetUserWorkAreaBounds(); | |
| 284 int target_y = bounds.bottom() - widget_size_.height() - kOffset; | |
| 285 bounds.ClampToCenteredSize(widget_size_); | |
| 286 bounds.set_y(target_y); | |
| 287 return bounds; | |
| 288 } | |
| 289 | |
| 290 void ToastOverlay::OnImplicitAnimationsScheduled() {} | |
| 291 | |
| 292 void ToastOverlay::OnImplicitAnimationsCompleted() { | |
| 293 if (!overlay_widget_->GetLayer()->GetTargetVisibility()) | |
| 294 delegate_->OnClosed(); | |
| 295 } | |
| 296 | |
| 297 views::Widget* ToastOverlay::widget_for_testing() { | |
| 298 return overlay_widget_.get(); | |
| 299 } | |
| 300 | |
| 301 ToastOverlayButton* ToastOverlay::dismiss_button_for_testing() { | |
| 302 return overlay_view_->button(); | |
| 303 } | |
| 304 | |
| 305 void ToastOverlay::ClickDismissButtonForTesting(const ui::Event& event) { | |
| 306 DCHECK(overlay_view_->button()); | |
| 307 overlay_view_->button()->NotifyClick(event); | |
| 308 } | |
| 309 | |
| 310 } // namespace ash | |
| OLD | NEW |