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| 1 // Copyright 2013 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/shelf/shelf_button.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 | |
| 9 #include "ash/common/ash_constants.h" | |
| 10 #include "ash/common/shelf/ink_drop_button_listener.h" | |
| 11 #include "ash/common/shelf/shelf_constants.h" | |
| 12 #include "ash/common/shelf/shelf_view.h" | |
| 13 #include "ash/common/shelf/wm_shelf.h" | |
| 14 #include "base/memory/ptr_util.h" | |
| 15 #include "base/time/time.h" | |
| 16 #include "skia/ext/image_operations.h" | |
| 17 #include "ui/accessibility/ax_node_data.h" | |
| 18 #include "ui/compositor/layer.h" | |
| 19 #include "ui/gfx/animation/animation_delegate.h" | |
| 20 #include "ui/gfx/animation/throb_animation.h" | |
| 21 #include "ui/gfx/canvas.h" | |
| 22 #include "ui/gfx/geometry/vector2d.h" | |
| 23 #include "ui/gfx/image/image_skia_operations.h" | |
| 24 #include "ui/gfx/scoped_canvas.h" | |
| 25 #include "ui/gfx/skbitmap_operations.h" | |
| 26 #include "ui/views/animation/ink_drop_impl.h" | |
| 27 #include "ui/views/animation/square_ink_drop_ripple.h" | |
| 28 #include "ui/views/controls/image_view.h" | |
| 29 | |
| 30 namespace { | |
| 31 | |
| 32 const int kIconSize = 32; | |
| 33 const int kAttentionThrobDurationMS = 800; | |
| 34 const int kMaxAnimationSeconds = 10; | |
| 35 const int kIndicatorOffsetFromBottom = 3; | |
| 36 const int kIndicatorRadiusDip = 2; | |
| 37 const SkColor kIndicatorColor = SK_ColorWHITE; | |
| 38 | |
| 39 // Shelf item ripple constants. | |
| 40 const int kInkDropSmallSize = 48; | |
| 41 const int kInkDropLargeSize = 60; | |
| 42 | |
| 43 // Padding from the edge of the shelf to the application icon when the shelf | |
| 44 // is horizontally and vertically aligned, respectively. | |
| 45 const int kIconPaddingHorizontal = 7; | |
| 46 const int kIconPaddingVertical = 8; | |
| 47 | |
| 48 // Simple AnimationDelegate that owns a single ThrobAnimation instance to | |
| 49 // keep all Draw Attention animations in sync. | |
| 50 class ShelfButtonAnimation : public gfx::AnimationDelegate { | |
| 51 public: | |
| 52 class Observer { | |
| 53 public: | |
| 54 virtual void AnimationProgressed() = 0; | |
| 55 | |
| 56 protected: | |
| 57 virtual ~Observer() {} | |
| 58 }; | |
| 59 | |
| 60 static ShelfButtonAnimation* GetInstance() { | |
| 61 static ShelfButtonAnimation* s_instance = new ShelfButtonAnimation(); | |
| 62 return s_instance; | |
| 63 } | |
| 64 | |
| 65 void AddObserver(Observer* observer) { observers_.AddObserver(observer); } | |
| 66 | |
| 67 void RemoveObserver(Observer* observer) { | |
| 68 observers_.RemoveObserver(observer); | |
| 69 if (!observers_.might_have_observers()) | |
| 70 animation_.Stop(); | |
| 71 } | |
| 72 | |
| 73 bool HasObserver(Observer* observer) const { | |
| 74 return observers_.HasObserver(observer); | |
| 75 } | |
| 76 | |
| 77 SkAlpha GetAlpha() { | |
| 78 return GetThrobAnimation().CurrentValueBetween(SK_AlphaTRANSPARENT, | |
| 79 SK_AlphaOPAQUE); | |
| 80 } | |
| 81 | |
| 82 double GetAnimation() { return GetThrobAnimation().GetCurrentValue(); } | |
| 83 | |
| 84 private: | |
| 85 ShelfButtonAnimation() : animation_(this) { | |
| 86 animation_.SetThrobDuration(kAttentionThrobDurationMS); | |
| 87 animation_.SetTweenType(gfx::Tween::SMOOTH_IN_OUT); | |
| 88 } | |
| 89 | |
| 90 ~ShelfButtonAnimation() override {} | |
| 91 | |
| 92 gfx::ThrobAnimation& GetThrobAnimation() { | |
| 93 if (!animation_.is_animating()) { | |
| 94 animation_.Reset(); | |
| 95 animation_.StartThrobbing(-1 /*throb indefinitely*/); | |
| 96 } | |
| 97 return animation_; | |
| 98 } | |
| 99 | |
| 100 // gfx::AnimationDelegate | |
| 101 void AnimationProgressed(const gfx::Animation* animation) override { | |
| 102 if (animation != &animation_) | |
| 103 return; | |
| 104 if (!animation_.is_animating()) | |
| 105 return; | |
| 106 for (auto& observer : observers_) | |
| 107 observer.AnimationProgressed(); | |
| 108 } | |
| 109 | |
| 110 gfx::ThrobAnimation animation_; | |
| 111 base::ObserverList<Observer> observers_; | |
| 112 | |
| 113 DISALLOW_COPY_AND_ASSIGN(ShelfButtonAnimation); | |
| 114 }; | |
| 115 | |
| 116 } // namespace | |
| 117 | |
| 118 namespace ash { | |
| 119 | |
| 120 //////////////////////////////////////////////////////////////////////////////// | |
| 121 // ShelfButton::AppStatusIndicatorView | |
| 122 | |
| 123 class ShelfButton::AppStatusIndicatorView | |
| 124 : public views::View, | |
| 125 public ShelfButtonAnimation::Observer { | |
| 126 public: | |
| 127 AppStatusIndicatorView() | |
| 128 : show_attention_(false), animation_end_time_(base::TimeTicks()) { | |
| 129 // Make sure the events reach the parent view for handling. | |
| 130 set_can_process_events_within_subtree(false); | |
| 131 } | |
| 132 | |
| 133 ~AppStatusIndicatorView() override { | |
| 134 ShelfButtonAnimation::GetInstance()->RemoveObserver(this); | |
| 135 } | |
| 136 | |
| 137 // views::View: | |
| 138 void OnPaint(gfx::Canvas* canvas) override { | |
| 139 gfx::ScopedCanvas scoped(canvas); | |
| 140 if (show_attention_) { | |
| 141 SkAlpha alpha = ShelfButtonAnimation::GetInstance()->HasObserver(this) | |
| 142 ? ShelfButtonAnimation::GetInstance()->GetAlpha() | |
| 143 : SK_AlphaOPAQUE; | |
| 144 canvas->SaveLayerAlpha(alpha); | |
| 145 } | |
| 146 | |
| 147 DCHECK_EQ(width(), height()); | |
| 148 DCHECK_EQ(kIndicatorRadiusDip, width() / 2); | |
| 149 const float dsf = canvas->UndoDeviceScaleFactor(); | |
| 150 const int kStrokeWidthPx = 1; | |
| 151 gfx::PointF center = gfx::RectF(GetLocalBounds()).CenterPoint(); | |
| 152 center.Scale(dsf); | |
| 153 | |
| 154 // Fill the center. | |
| 155 cc::PaintFlags flags; | |
| 156 flags.setColor(kIndicatorColor); | |
| 157 flags.setFlags(cc::PaintFlags::kAntiAlias_Flag); | |
| 158 canvas->DrawCircle(center, dsf * kIndicatorRadiusDip - kStrokeWidthPx, | |
| 159 flags); | |
| 160 | |
| 161 // Stroke the border. | |
| 162 flags.setColor(SkColorSetA(SK_ColorBLACK, 0x4D)); | |
| 163 flags.setStyle(SkPaint::kStroke_Style); | |
| 164 canvas->DrawCircle( | |
| 165 center, dsf * kIndicatorRadiusDip - kStrokeWidthPx / 2.0f, flags); | |
| 166 } | |
| 167 | |
| 168 // ShelfButtonAnimation::Observer | |
| 169 void AnimationProgressed() override { | |
| 170 UpdateAnimating(); | |
| 171 SchedulePaint(); | |
| 172 } | |
| 173 | |
| 174 void ShowAttention(bool show) { | |
| 175 if (show_attention_ == show) | |
| 176 return; | |
| 177 | |
| 178 show_attention_ = show; | |
| 179 if (show_attention_) { | |
| 180 animation_end_time_ = base::TimeTicks::Now() + | |
| 181 base::TimeDelta::FromSeconds(kMaxAnimationSeconds); | |
| 182 ShelfButtonAnimation::GetInstance()->AddObserver(this); | |
| 183 } else { | |
| 184 ShelfButtonAnimation::GetInstance()->RemoveObserver(this); | |
| 185 } | |
| 186 } | |
| 187 | |
| 188 private: | |
| 189 void UpdateAnimating() { | |
| 190 if (base::TimeTicks::Now() > animation_end_time_) | |
| 191 ShelfButtonAnimation::GetInstance()->RemoveObserver(this); | |
| 192 } | |
| 193 | |
| 194 bool show_attention_; | |
| 195 base::TimeTicks animation_end_time_; // For attention throbbing underline. | |
| 196 | |
| 197 DISALLOW_COPY_AND_ASSIGN(AppStatusIndicatorView); | |
| 198 }; | |
| 199 | |
| 200 //////////////////////////////////////////////////////////////////////////////// | |
| 201 // ShelfButton | |
| 202 | |
| 203 // static | |
| 204 const char ShelfButton::kViewClassName[] = "ash/ShelfButton"; | |
| 205 | |
| 206 ShelfButton::ShelfButton(InkDropButtonListener* listener, ShelfView* shelf_view) | |
| 207 : CustomButton(nullptr), | |
| 208 listener_(listener), | |
| 209 shelf_view_(shelf_view), | |
| 210 icon_view_(new views::ImageView()), | |
| 211 indicator_(new AppStatusIndicatorView()), | |
| 212 state_(STATE_NORMAL), | |
| 213 destroyed_flag_(nullptr) { | |
| 214 SetFocusBehavior(FocusBehavior::ACCESSIBLE_ONLY); | |
| 215 SetInkDropMode(InkDropMode::ON); | |
| 216 set_ink_drop_base_color(kShelfInkDropBaseColor); | |
| 217 set_ink_drop_visible_opacity(kShelfInkDropVisibleOpacity); | |
| 218 | |
| 219 const gfx::ShadowValue kShadows[] = { | |
| 220 gfx::ShadowValue(gfx::Vector2d(0, 2), 0, SkColorSetARGB(0x1A, 0, 0, 0)), | |
| 221 gfx::ShadowValue(gfx::Vector2d(0, 3), 1, SkColorSetARGB(0x1A, 0, 0, 0)), | |
| 222 gfx::ShadowValue(gfx::Vector2d(0, 0), 1, SkColorSetARGB(0x54, 0, 0, 0)), | |
| 223 }; | |
| 224 icon_shadows_.assign(kShadows, kShadows + arraysize(kShadows)); | |
| 225 | |
| 226 // TODO: refactor the layers so each button doesn't require 2. | |
| 227 icon_view_->SetPaintToLayer(); | |
| 228 icon_view_->layer()->SetFillsBoundsOpaquely(false); | |
| 229 icon_view_->SetHorizontalAlignment(views::ImageView::CENTER); | |
| 230 icon_view_->SetVerticalAlignment(views::ImageView::LEADING); | |
| 231 // Do not make this interactive, so that events are sent to ShelfView. | |
| 232 icon_view_->set_can_process_events_within_subtree(false); | |
| 233 | |
| 234 AddChildView(indicator_); | |
| 235 AddChildView(icon_view_); | |
| 236 } | |
| 237 | |
| 238 ShelfButton::~ShelfButton() { | |
| 239 if (destroyed_flag_) | |
| 240 *destroyed_flag_ = true; | |
| 241 } | |
| 242 | |
| 243 void ShelfButton::SetShadowedImage(const gfx::ImageSkia& image) { | |
| 244 icon_view_->SetImage(gfx::ImageSkiaOperations::CreateImageWithDropShadow( | |
| 245 image, icon_shadows_)); | |
| 246 } | |
| 247 | |
| 248 void ShelfButton::SetImage(const gfx::ImageSkia& image) { | |
| 249 if (image.isNull()) { | |
| 250 // TODO: need an empty image. | |
| 251 icon_view_->SetImage(image); | |
| 252 return; | |
| 253 } | |
| 254 | |
| 255 // Resize the image maintaining our aspect ratio. | |
| 256 float aspect_ratio = | |
| 257 static_cast<float>(image.width()) / static_cast<float>(image.height()); | |
| 258 int height = kIconSize; | |
| 259 int width = static_cast<int>(aspect_ratio * height); | |
| 260 if (width > kIconSize) { | |
| 261 width = kIconSize; | |
| 262 height = static_cast<int>(width / aspect_ratio); | |
| 263 } | |
| 264 | |
| 265 if (width == image.width() && height == image.height()) { | |
| 266 SetShadowedImage(image); | |
| 267 return; | |
| 268 } | |
| 269 | |
| 270 SetShadowedImage(gfx::ImageSkiaOperations::CreateResizedImage( | |
| 271 image, skia::ImageOperations::RESIZE_BEST, gfx::Size(width, height))); | |
| 272 } | |
| 273 | |
| 274 const gfx::ImageSkia& ShelfButton::GetImage() const { | |
| 275 return icon_view_->GetImage(); | |
| 276 } | |
| 277 | |
| 278 void ShelfButton::AddState(State state) { | |
| 279 if (!(state_ & state)) { | |
| 280 state_ |= state; | |
| 281 Layout(); | |
| 282 if (state & STATE_ATTENTION) | |
| 283 indicator_->ShowAttention(true); | |
| 284 } | |
| 285 } | |
| 286 | |
| 287 void ShelfButton::ClearState(State state) { | |
| 288 if (state_ & state) { | |
| 289 state_ &= ~state; | |
| 290 Layout(); | |
| 291 if (state & STATE_ATTENTION) | |
| 292 indicator_->ShowAttention(false); | |
| 293 } | |
| 294 } | |
| 295 | |
| 296 gfx::Rect ShelfButton::GetIconBounds() const { | |
| 297 return icon_view_->bounds(); | |
| 298 } | |
| 299 | |
| 300 void ShelfButton::OnDragStarted(const ui::LocatedEvent* event) { | |
| 301 AnimateInkDrop(views::InkDropState::HIDDEN, event); | |
| 302 } | |
| 303 | |
| 304 void ShelfButton::ShowContextMenu(const gfx::Point& p, | |
| 305 ui::MenuSourceType source_type) { | |
| 306 if (!context_menu_controller()) | |
| 307 return; | |
| 308 | |
| 309 bool destroyed = false; | |
| 310 destroyed_flag_ = &destroyed; | |
| 311 | |
| 312 CustomButton::ShowContextMenu(p, source_type); | |
| 313 | |
| 314 if (!destroyed) { | |
| 315 destroyed_flag_ = nullptr; | |
| 316 // The menu will not propagate mouse events while its shown. To address, | |
| 317 // the hover state gets cleared once the menu was shown (and this was not | |
| 318 // destroyed). | |
| 319 ClearState(STATE_HOVERED); | |
| 320 } | |
| 321 } | |
| 322 | |
| 323 const char* ShelfButton::GetClassName() const { | |
| 324 return kViewClassName; | |
| 325 } | |
| 326 | |
| 327 bool ShelfButton::OnMousePressed(const ui::MouseEvent& event) { | |
| 328 CustomButton::OnMousePressed(event); | |
| 329 shelf_view_->PointerPressedOnButton(this, ShelfView::MOUSE, event); | |
| 330 return true; | |
| 331 } | |
| 332 | |
| 333 void ShelfButton::OnMouseReleased(const ui::MouseEvent& event) { | |
| 334 CustomButton::OnMouseReleased(event); | |
| 335 shelf_view_->PointerReleasedOnButton(this, ShelfView::MOUSE, false); | |
| 336 } | |
| 337 | |
| 338 void ShelfButton::OnMouseCaptureLost() { | |
| 339 ClearState(STATE_HOVERED); | |
| 340 shelf_view_->PointerReleasedOnButton(this, ShelfView::MOUSE, true); | |
| 341 CustomButton::OnMouseCaptureLost(); | |
| 342 } | |
| 343 | |
| 344 bool ShelfButton::OnMouseDragged(const ui::MouseEvent& event) { | |
| 345 CustomButton::OnMouseDragged(event); | |
| 346 shelf_view_->PointerDraggedOnButton(this, ShelfView::MOUSE, event); | |
| 347 return true; | |
| 348 } | |
| 349 | |
| 350 void ShelfButton::GetAccessibleNodeData(ui::AXNodeData* node_data) { | |
| 351 node_data->role = ui::AX_ROLE_BUTTON; | |
| 352 node_data->SetName(shelf_view_->GetTitleForView(this)); | |
| 353 } | |
| 354 | |
| 355 void ShelfButton::Layout() { | |
| 356 const gfx::Rect button_bounds(GetContentsBounds()); | |
| 357 WmShelf* wm_shelf = shelf_view_->wm_shelf(); | |
| 358 const bool is_horizontal_shelf = wm_shelf->IsHorizontalAlignment(); | |
| 359 const int icon_pad = | |
| 360 is_horizontal_shelf ? kIconPaddingHorizontal : kIconPaddingVertical; | |
| 361 int x_offset = is_horizontal_shelf ? 0 : icon_pad; | |
| 362 int y_offset = is_horizontal_shelf ? icon_pad : 0; | |
| 363 | |
| 364 int icon_width = std::min(kIconSize, button_bounds.width() - x_offset); | |
| 365 int icon_height = std::min(kIconSize, button_bounds.height() - y_offset); | |
| 366 | |
| 367 // If on the left or top 'invert' the inset so the constant gap is on | |
| 368 // the interior (towards the center of display) edge of the shelf. | |
| 369 if (SHELF_ALIGNMENT_LEFT == wm_shelf->GetAlignment()) | |
| 370 x_offset = button_bounds.width() - (kIconSize + icon_pad); | |
| 371 | |
| 372 // Center icon with respect to the secondary axis. | |
| 373 if (is_horizontal_shelf) | |
| 374 x_offset = std::max(0, button_bounds.width() - icon_width) / 2; | |
| 375 else | |
| 376 y_offset = std::max(0, button_bounds.height() - icon_height) / 2; | |
| 377 | |
| 378 // Expand bounds to include shadows. | |
| 379 gfx::Insets insets_shadows = gfx::ShadowValue::GetMargin(icon_shadows_); | |
| 380 // Adjust offsets to center icon, not icon + shadow. | |
| 381 x_offset += (insets_shadows.left() - insets_shadows.right()) / 2; | |
| 382 y_offset += (insets_shadows.top() - insets_shadows.bottom()) / 2; | |
| 383 gfx::Rect icon_view_bounds = | |
| 384 gfx::Rect(button_bounds.x() + x_offset, button_bounds.y() + y_offset, | |
| 385 icon_width, icon_height); | |
| 386 // The indicator should be aligned with the icon, not the icon + shadow. | |
| 387 gfx::Point indicator_midpoint = icon_view_bounds.CenterPoint(); | |
| 388 icon_view_bounds.Inset(insets_shadows); | |
| 389 icon_view_bounds.AdjustToFit(gfx::Rect(size())); | |
| 390 icon_view_->SetBoundsRect(icon_view_bounds); | |
| 391 | |
| 392 // Icon size has been incorrect when running | |
| 393 // PanelLayoutManagerTest.PanelAlignmentSecondDisplay on valgrind bot, see | |
| 394 // http://crbug.com/234854. | |
| 395 DCHECK_LE(icon_width, kIconSize); | |
| 396 DCHECK_LE(icon_height, kIconSize); | |
| 397 | |
| 398 switch (wm_shelf->GetAlignment()) { | |
| 399 case SHELF_ALIGNMENT_BOTTOM: | |
| 400 case SHELF_ALIGNMENT_BOTTOM_LOCKED: | |
| 401 indicator_midpoint.set_y(button_bounds.bottom() - kIndicatorRadiusDip - | |
| 402 kIndicatorOffsetFromBottom); | |
| 403 break; | |
| 404 case SHELF_ALIGNMENT_LEFT: | |
| 405 indicator_midpoint.set_x(button_bounds.x() + kIndicatorRadiusDip + | |
| 406 kIndicatorOffsetFromBottom); | |
| 407 break; | |
| 408 case SHELF_ALIGNMENT_RIGHT: | |
| 409 indicator_midpoint.set_x(button_bounds.right() - kIndicatorRadiusDip - | |
| 410 kIndicatorOffsetFromBottom); | |
| 411 break; | |
| 412 } | |
| 413 | |
| 414 gfx::Rect indicator_bounds(indicator_midpoint, gfx::Size()); | |
| 415 indicator_bounds.Inset(gfx::Insets(-kIndicatorRadiusDip)); | |
| 416 indicator_->SetBoundsRect(indicator_bounds); | |
| 417 | |
| 418 UpdateState(); | |
| 419 } | |
| 420 | |
| 421 void ShelfButton::ChildPreferredSizeChanged(views::View* child) { | |
| 422 Layout(); | |
| 423 } | |
| 424 | |
| 425 void ShelfButton::OnFocus() { | |
| 426 AddState(STATE_FOCUSED); | |
| 427 CustomButton::OnFocus(); | |
| 428 } | |
| 429 | |
| 430 void ShelfButton::OnBlur() { | |
| 431 ClearState(STATE_FOCUSED); | |
| 432 CustomButton::OnBlur(); | |
| 433 } | |
| 434 | |
| 435 void ShelfButton::OnPaint(gfx::Canvas* canvas) { | |
| 436 CustomButton::OnPaint(canvas); | |
| 437 if (HasFocus()) { | |
| 438 canvas->DrawSolidFocusRect(gfx::RectF(GetLocalBounds()), kFocusBorderColor, | |
| 439 kFocusBorderThickness); | |
| 440 } | |
| 441 } | |
| 442 | |
| 443 void ShelfButton::OnGestureEvent(ui::GestureEvent* event) { | |
| 444 switch (event->type()) { | |
| 445 case ui::ET_GESTURE_TAP_DOWN: | |
| 446 AddState(STATE_HOVERED); | |
| 447 return CustomButton::OnGestureEvent(event); | |
| 448 case ui::ET_GESTURE_END: | |
| 449 ClearState(STATE_HOVERED); | |
| 450 return CustomButton::OnGestureEvent(event); | |
| 451 case ui::ET_GESTURE_SCROLL_BEGIN: | |
| 452 shelf_view_->PointerPressedOnButton(this, ShelfView::TOUCH, *event); | |
| 453 event->SetHandled(); | |
| 454 return; | |
| 455 case ui::ET_GESTURE_SCROLL_UPDATE: | |
| 456 shelf_view_->PointerDraggedOnButton(this, ShelfView::TOUCH, *event); | |
| 457 event->SetHandled(); | |
| 458 return; | |
| 459 case ui::ET_GESTURE_SCROLL_END: | |
| 460 case ui::ET_SCROLL_FLING_START: | |
| 461 shelf_view_->PointerReleasedOnButton(this, ShelfView::TOUCH, false); | |
| 462 event->SetHandled(); | |
| 463 return; | |
| 464 default: | |
| 465 return CustomButton::OnGestureEvent(event); | |
| 466 } | |
| 467 } | |
| 468 | |
| 469 std::unique_ptr<views::InkDropRipple> ShelfButton::CreateInkDropRipple() const { | |
| 470 return base::MakeUnique<views::SquareInkDropRipple>( | |
| 471 gfx::Size(kInkDropLargeSize, kInkDropLargeSize), | |
| 472 kInkDropLargeCornerRadius, | |
| 473 gfx::Size(kInkDropSmallSize, kInkDropSmallSize), | |
| 474 kInkDropSmallCornerRadius, GetLocalBounds().CenterPoint(), | |
| 475 GetInkDropBaseColor(), ink_drop_visible_opacity()); | |
| 476 } | |
| 477 | |
| 478 bool ShelfButton::ShouldEnterPushedState(const ui::Event& event) { | |
| 479 if (!shelf_view_->ShouldEventActivateButton(this, event)) | |
| 480 return false; | |
| 481 | |
| 482 return CustomButton::ShouldEnterPushedState(event); | |
| 483 } | |
| 484 | |
| 485 std::unique_ptr<views::InkDrop> ShelfButton::CreateInkDrop() { | |
| 486 std::unique_ptr<views::InkDropImpl> ink_drop = | |
| 487 CustomButton::CreateDefaultInkDropImpl(); | |
| 488 ink_drop->SetShowHighlightOnHover(false); | |
| 489 return std::move(ink_drop); | |
| 490 } | |
| 491 | |
| 492 void ShelfButton::NotifyClick(const ui::Event& event) { | |
| 493 CustomButton::NotifyClick(event); | |
| 494 if (listener_) | |
| 495 listener_->ButtonPressed(this, event, GetInkDrop()); | |
| 496 } | |
| 497 | |
| 498 void ShelfButton::UpdateState() { | |
| 499 indicator_->SetVisible(!(state_ & STATE_HIDDEN) && | |
| 500 (state_ & STATE_ACTIVE || state_ & STATE_ATTENTION || | |
| 501 state_ & STATE_RUNNING)); | |
| 502 | |
| 503 const bool is_horizontal_shelf = | |
| 504 shelf_view_->wm_shelf()->IsHorizontalAlignment(); | |
| 505 icon_view_->SetHorizontalAlignment(is_horizontal_shelf | |
| 506 ? views::ImageView::CENTER | |
| 507 : views::ImageView::LEADING); | |
| 508 icon_view_->SetVerticalAlignment(is_horizontal_shelf | |
| 509 ? views::ImageView::LEADING | |
| 510 : views::ImageView::CENTER); | |
| 511 SchedulePaint(); | |
| 512 } | |
| 513 | |
| 514 } // namespace ash | |
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Chromium Code Reviews
Issue 2736573002:
chromeos: Move files in //ash/common to //ash, part 2 (Closed)
