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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/wm/overview/window_selector_item.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "ash/common/material_design/material_design_controller.h" | |
| 11 #include "ash/common/metrics/user_metrics_action.h" | |
| 12 #include "ash/common/wm/overview/cleanup_animation_observer.h" | |
| 13 #include "ash/common/wm/overview/overview_animation_type.h" | |
| 14 #include "ash/common/wm/overview/scoped_overview_animation_settings.h" | |
| 15 #include "ash/common/wm/overview/scoped_overview_animation_settings_factory.h" | |
| 16 #include "ash/common/wm/overview/scoped_transform_overview_window.h" | |
| 17 #include "ash/common/wm/overview/window_selector.h" | |
| 18 #include "ash/common/wm/overview/window_selector_controller.h" | |
| 19 #include "ash/common/wm/window_state.h" | |
| 20 #include "ash/common/wm_shell.h" | |
| 21 #include "ash/common/wm_window.h" | |
| 22 #include "ash/public/cpp/shell_window_ids.h" | |
| 23 #include "ash/resources/vector_icons/vector_icons.h" | |
| 24 #include "ash/root_window_controller.h" | |
| 25 #include "ash/strings/grit/ash_strings.h" | |
| 26 #include "base/auto_reset.h" | |
| 27 #include "base/strings/string_util.h" | |
| 28 #include "base/strings/utf_string_conversions.h" | |
| 29 #include "base/time/time.h" | |
| 30 #include "ui/base/l10n/l10n_util.h" | |
| 31 #include "ui/compositor/layer_animation_sequence.h" | |
| 32 #include "ui/compositor/scoped_animation_duration_scale_mode.h" | |
| 33 #include "ui/gfx/animation/slide_animation.h" | |
| 34 #include "ui/gfx/canvas.h" | |
| 35 #include "ui/gfx/color_utils.h" | |
| 36 #include "ui/gfx/geometry/safe_integer_conversions.h" | |
| 37 #include "ui/gfx/paint_vector_icon.h" | |
| 38 #include "ui/gfx/transform_util.h" | |
| 39 #include "ui/strings/grit/ui_strings.h" | |
| 40 #include "ui/views/background.h" | |
| 41 #include "ui/views/border.h" | |
| 42 #include "ui/views/layout/box_layout.h" | |
| 43 #include "ui/views/window/non_client_view.h" | |
| 44 #include "ui/wm/core/shadow.h" | |
| 45 #include "ui/wm/core/window_util.h" | |
| 46 | |
| 47 namespace ash { | |
| 48 | |
| 49 namespace { | |
| 50 | |
| 51 // In the conceptual overview table, the window margin is the space reserved | |
| 52 // around the window within the cell. This margin does not overlap so the | |
| 53 // closest distance between adjacent windows will be twice this amount. | |
| 54 static const int kWindowMargin = 5; | |
| 55 | |
| 56 // Cover the transformed window including the gaps between the windows with a | |
| 57 // transparent shield to block the input events from reaching the transformed | |
| 58 // window while in overview. | |
| 59 static const int kWindowSelectorMargin = kWindowMargin * 2; | |
| 60 | |
| 61 // Foreground label color. | |
| 62 static const SkColor kLabelColor = SK_ColorWHITE; | |
| 63 | |
| 64 // TODO(tdanderson): Move this to a central location. | |
| 65 static const SkColor kCloseButtonColor = SK_ColorWHITE; | |
| 66 | |
| 67 // Label background color once in overview mode. | |
| 68 static const SkColor kLabelBackgroundColor = SkColorSetARGB(25, 255, 255, 255); | |
| 69 | |
| 70 // Label background color when exiting overview mode. | |
| 71 static const SkColor kLabelExitColor = SkColorSetARGB(255, 90, 90, 90); | |
| 72 | |
| 73 // Corner radius for the selection tiles. | |
| 74 static int kLabelBackgroundRadius = 2; | |
| 75 | |
| 76 // Horizontal padding for the label, on both sides. | |
| 77 static const int kHorizontalLabelPadding = 8; | |
| 78 | |
| 79 // Height of an item header. | |
| 80 static const int kHeaderHeight = 32; | |
| 81 | |
| 82 // Opacity for dimmed items. | |
| 83 static const float kDimmedItemOpacity = 0.5f; | |
| 84 | |
| 85 // Opacity for fading out during closing a window. | |
| 86 static const float kClosingItemOpacity = 0.8f; | |
| 87 | |
| 88 // Opacity for the item header. | |
| 89 static const float kHeaderOpacity = | |
| 90 (SkColorGetA(kLabelBackgroundColor) / 255.f); | |
| 91 | |
| 92 // Duration it takes for the header to shift from opaque header color to | |
| 93 // |kLabelBackgroundColor|. | |
| 94 static const int kSelectorColorSlideMilliseconds = 240; | |
| 95 | |
| 96 // Duration of background opacity transition for the selected label. | |
| 97 static const int kSelectorFadeInMilliseconds = 350; | |
| 98 | |
| 99 // Duration of background opacity transition when exiting overview mode. | |
| 100 static const int kExitFadeInMilliseconds = 30; | |
| 101 | |
| 102 // Before closing a window animate both the window and the caption to shrink by | |
| 103 // this fraction of size. | |
| 104 static const float kPreCloseScale = 0.02f; | |
| 105 | |
| 106 // Convenience method to fade in a Window with predefined animation settings. | |
| 107 // Note: The fade in animation will occur after a delay where the delay is how | |
| 108 // long the lay out animations take. | |
| 109 void SetupFadeInAfterLayout(views::Widget* widget) { | |
| 110 WmWindow* window = WmWindow::Get(widget->GetNativeWindow()); | |
| 111 window->SetOpacity(0.0f); | |
| 112 std::unique_ptr<ScopedOverviewAnimationSettings> | |
| 113 scoped_overview_animation_settings = | |
| 114 ScopedOverviewAnimationSettingsFactory::Get() | |
| 115 ->CreateOverviewAnimationSettings( | |
| 116 OverviewAnimationType:: | |
| 117 OVERVIEW_ANIMATION_ENTER_OVERVIEW_MODE_FADE_IN, | |
| 118 window); | |
| 119 window->SetOpacity(1.0f); | |
| 120 } | |
| 121 | |
| 122 // A Button that has a listener and listens to mouse clicks on the visible part | |
| 123 // of an overview window. | |
| 124 class ShieldButton : public views::CustomButton { | |
| 125 public: | |
| 126 ShieldButton(views::ButtonListener* listener, const base::string16& name) | |
| 127 : views::CustomButton(listener) { | |
| 128 SetAccessibleName(name); | |
| 129 } | |
| 130 ~ShieldButton() override {} | |
| 131 | |
| 132 // When WindowSelectorItem (which is a ButtonListener) is destroyed, its | |
| 133 // |item_widget_| is allowed to stay around to complete any animations. | |
| 134 // Resetting the listener in all views that are targeted by events is | |
| 135 // necessary to prevent a crash when a user clicks on the fading out widget | |
| 136 // after the WindowSelectorItem has been destroyed. | |
| 137 void ResetListener() { listener_ = nullptr; } | |
| 138 | |
| 139 protected: | |
| 140 // views::View: | |
| 141 const char* GetClassName() const override { return "ShieldButton"; } | |
| 142 | |
| 143 private: | |
| 144 DISALLOW_COPY_AND_ASSIGN(ShieldButton); | |
| 145 }; | |
| 146 | |
| 147 } // namespace | |
| 148 | |
| 149 WindowSelectorItem::OverviewCloseButton::OverviewCloseButton( | |
| 150 views::ButtonListener* listener) | |
| 151 : views::ImageButton(listener) { | |
| 152 SetImage(views::CustomButton::STATE_NORMAL, | |
| 153 gfx::CreateVectorIcon(kWindowControlCloseIcon, kCloseButtonColor)); | |
| 154 SetImageAlignment(views::ImageButton::ALIGN_CENTER, | |
| 155 views::ImageButton::ALIGN_MIDDLE); | |
| 156 SetMinimumImageSize(gfx::Size(kHeaderHeight, kHeaderHeight)); | |
| 157 } | |
| 158 | |
| 159 WindowSelectorItem::OverviewCloseButton::~OverviewCloseButton() {} | |
| 160 | |
| 161 // A View having rounded top corners and a specified background color which is | |
| 162 // only painted within the bounds defined by the rounded corners. | |
| 163 // This class coordinates the transitions of the overview mode header when | |
| 164 // entering the overview mode. Those animations are: | |
| 165 // - Opacity animation. The header is initially same color as the original | |
| 166 // window's header. It starts as transparent and is faded in. When the full | |
| 167 // opacity is reached the original header is hidden (which is nearly | |
| 168 // imperceptable because this view obscures the original header) and a color | |
| 169 // animation starts. | |
| 170 // - Color animation is used to change the color from the opaque color of the | |
| 171 // original window's header to semi-transparent color of the overview mode | |
| 172 // header (on entry to overview). It is also used on exit from overview to | |
| 173 // quickly change the color to a close opaque color in parallel with an | |
| 174 // opacity transition to mask the original header reappearing. | |
| 175 class WindowSelectorItem::RoundedContainerView | |
| 176 : public views::View, | |
| 177 public gfx::AnimationDelegate, | |
| 178 public ui::LayerAnimationObserver { | |
| 179 public: | |
| 180 RoundedContainerView(WindowSelectorItem* item, | |
| 181 WmWindow* item_window, | |
| 182 int corner_radius, | |
| 183 SkColor background) | |
| 184 : item_(item), | |
| 185 item_window_(item_window), | |
| 186 corner_radius_(corner_radius), | |
| 187 initial_color_(background), | |
| 188 target_color_(background), | |
| 189 current_value_(0), | |
| 190 layer_(nullptr), | |
| 191 animation_(new gfx::SlideAnimation(this)) { | |
| 192 SetPaintToLayer(); | |
| 193 layer()->SetFillsBoundsOpaquely(false); | |
| 194 } | |
| 195 | |
| 196 ~RoundedContainerView() override { StopObservingLayerAnimations(); } | |
| 197 | |
| 198 void OnItemRestored() { | |
| 199 item_ = nullptr; | |
| 200 item_window_ = nullptr; | |
| 201 } | |
| 202 | |
| 203 // Starts observing layer animations so that actions can be taken when | |
| 204 // particular animations (opacity) complete. It should only be called once | |
| 205 // when the initial fade in animation is started. | |
| 206 void ObserveLayerAnimations(ui::Layer* layer) { | |
| 207 DCHECK(!layer_); | |
| 208 layer_ = layer; | |
| 209 layer_->GetAnimator()->AddObserver(this); | |
| 210 } | |
| 211 | |
| 212 // Stops observing layer animations | |
| 213 void StopObservingLayerAnimations() { | |
| 214 if (!layer_) | |
| 215 return; | |
| 216 layer_->GetAnimator()->RemoveObserver(this); | |
| 217 layer_ = nullptr; | |
| 218 } | |
| 219 | |
| 220 // Used by tests to set animation state. | |
| 221 gfx::SlideAnimation* animation() { return animation_.get(); } | |
| 222 | |
| 223 void set_color(SkColor target_color) { target_color_ = target_color; } | |
| 224 | |
| 225 // Starts a color animation using |tween_type|. The animation will change the | |
| 226 // color from |initial_color_| to |target_color_| over |duration| specified | |
| 227 // in milliseconds. | |
| 228 // This animation can start once the implicit layer fade-in opacity animation | |
| 229 // is completed. It is used to transition color from the opaque original | |
| 230 // window header color to |kLabelBackgroundColor| on entry into overview mode | |
| 231 // and from |kLabelBackgroundColor| back to the original window header color | |
| 232 // on exit from the overview mode. | |
| 233 void AnimateColor(gfx::Tween::Type tween_type, int duration) { | |
| 234 DCHECK(!layer_); // layer animations should be completed. | |
| 235 animation_->SetSlideDuration(duration); | |
| 236 animation_->SetTweenType(tween_type); | |
| 237 animation_->Reset(0); | |
| 238 animation_->Show(); | |
| 239 | |
| 240 // Tests complete animations immediately. Emulate by invoking the callback. | |
| 241 if (ui::ScopedAnimationDurationScaleMode::duration_scale_mode() == | |
| 242 ui::ScopedAnimationDurationScaleMode::ZERO_DURATION) { | |
| 243 AnimationEnded(animation_.get()); | |
| 244 } | |
| 245 } | |
| 246 | |
| 247 // Changes the view opacity by animating its background color. The animation | |
| 248 // will change the alpha value in |target_color_| from its current value to | |
| 249 // |opacity| * 255 but preserve the RGB values. | |
| 250 void AnimateBackgroundOpacity(float opacity) { | |
| 251 animation_->SetSlideDuration(kSelectorFadeInMilliseconds); | |
| 252 animation_->SetTweenType(gfx::Tween::EASE_OUT); | |
| 253 animation_->Reset(0); | |
| 254 animation_->Show(); | |
| 255 target_color_ = SkColorSetA(target_color_, opacity * 255); | |
| 256 } | |
| 257 | |
| 258 // views::View: | |
| 259 void OnPaint(gfx::Canvas* canvas) override { | |
| 260 views::View::OnPaint(canvas); | |
| 261 SkScalar radius = SkIntToScalar(corner_radius_); | |
| 262 const SkScalar kRadius[8] = {radius, radius, radius, radius, 0, 0, 0, 0}; | |
| 263 SkPath path; | |
| 264 gfx::Rect bounds(size()); | |
| 265 path.addRoundRect(gfx::RectToSkRect(bounds), kRadius); | |
| 266 | |
| 267 cc::PaintFlags flags; | |
| 268 flags.setAntiAlias(true); | |
| 269 canvas->ClipPath(path, true); | |
| 270 | |
| 271 SkColor target_color = initial_color_; | |
| 272 if (target_color_ != target_color) { | |
| 273 target_color = color_utils::AlphaBlend(target_color_, initial_color_, | |
| 274 current_value_); | |
| 275 } | |
| 276 canvas->DrawColor(target_color); | |
| 277 } | |
| 278 | |
| 279 const char* GetClassName() const override { return "RoundedContainerView"; } | |
| 280 | |
| 281 private: | |
| 282 // gfx::AnimationDelegate: | |
| 283 void AnimationEnded(const gfx::Animation* animation) override { | |
| 284 initial_color_ = target_color_; | |
| 285 // Tabbed browser windows show the overview mode header behind the window | |
| 286 // during the initial animation. Once the initial fade-in completes and the | |
| 287 // overview header is fully exposed update stacking to keep the label above | |
| 288 // the item which prevents input events from reaching the window. | |
| 289 WmWindow* widget_window = WmWindow::Get(GetWidget()->GetNativeWindow()); | |
| 290 if (widget_window && item_window_) | |
| 291 widget_window->GetParent()->StackChildAbove(widget_window, item_window_); | |
| 292 item_window_ = nullptr; | |
| 293 } | |
| 294 | |
| 295 void AnimationProgressed(const gfx::Animation* animation) override { | |
| 296 current_value_ = animation_->CurrentValueBetween(0, 255); | |
| 297 SchedulePaint(); | |
| 298 } | |
| 299 | |
| 300 void AnimationCanceled(const gfx::Animation* animation) override { | |
| 301 item_window_ = nullptr; | |
| 302 initial_color_ = target_color_; | |
| 303 current_value_ = 255; | |
| 304 SchedulePaint(); | |
| 305 } | |
| 306 | |
| 307 // ui::LayerAnimationObserver: | |
| 308 void OnLayerAnimationEnded(ui::LayerAnimationSequence* sequence) override { | |
| 309 if (0 != (sequence->properties() & | |
| 310 ui::LayerAnimationElement::AnimatableProperty::OPACITY)) { | |
| 311 if (item_) | |
| 312 item_->HideHeader(); | |
| 313 StopObservingLayerAnimations(); | |
| 314 AnimateColor(gfx::Tween::EASE_IN, kSelectorColorSlideMilliseconds); | |
| 315 } | |
| 316 } | |
| 317 | |
| 318 void OnLayerAnimationAborted(ui::LayerAnimationSequence* sequence) override { | |
| 319 if (0 != (sequence->properties() & | |
| 320 ui::LayerAnimationElement::AnimatableProperty::OPACITY)) { | |
| 321 StopObservingLayerAnimations(); | |
| 322 } | |
| 323 } | |
| 324 | |
| 325 void OnLayerAnimationScheduled( | |
| 326 ui::LayerAnimationSequence* sequence) override {} | |
| 327 | |
| 328 WindowSelectorItem* item_; | |
| 329 WmWindow* item_window_; | |
| 330 int corner_radius_; | |
| 331 SkColor initial_color_; | |
| 332 SkColor target_color_; | |
| 333 int current_value_; | |
| 334 ui::Layer* layer_; | |
| 335 std::unique_ptr<gfx::SlideAnimation> animation_; | |
| 336 | |
| 337 DISALLOW_COPY_AND_ASSIGN(RoundedContainerView); | |
| 338 }; | |
| 339 | |
| 340 // A Container View that has a ShieldButton to listen to events. The | |
| 341 // ShieldButton covers most of the View except for the transparent gap between | |
| 342 // the windows and is visually transparent. The ShieldButton owns a background | |
| 343 // non-transparent view positioned at the ShieldButton top. The background view | |
| 344 // in its turn owns an item text label and a close button. | |
| 345 // The text label does not receive events, however the close button is higher in | |
| 346 // Z-order than its parent and receives events forwarding them to the same | |
| 347 // |listener| (i.e. WindowSelectorItem::ButtonPressed()). | |
| 348 class WindowSelectorItem::CaptionContainerView : public views::View { | |
| 349 public: | |
| 350 CaptionContainerView(ButtonListener* listener, | |
| 351 views::Label* label, | |
| 352 views::ImageButton* close_button, | |
| 353 WindowSelectorItem::RoundedContainerView* background) | |
| 354 : listener_button_(new ShieldButton(listener, label->text())), | |
| 355 background_(background), | |
| 356 label_(label), | |
| 357 close_button_(close_button) { | |
| 358 background_->AddChildView(label_); | |
| 359 background_->AddChildView(close_button_); | |
| 360 listener_button_->AddChildView(background_); | |
| 361 AddChildView(listener_button_); | |
| 362 } | |
| 363 | |
| 364 ShieldButton* listener_button() { return listener_button_; } | |
| 365 | |
| 366 protected: | |
| 367 // views::View: | |
| 368 void Layout() override { | |
| 369 // Position close button in the top right corner sized to its icon size and | |
| 370 // the label in the top left corner as tall as the button and extending to | |
| 371 // the button's left edge. | |
| 372 // The rest of this container view serves as a shield to prevent input | |
| 373 // events from reaching the transformed window in overview. | |
| 374 gfx::Rect bounds(GetLocalBounds()); | |
| 375 bounds.Inset(kWindowSelectorMargin, kWindowSelectorMargin); | |
| 376 listener_button_->SetBoundsRect(bounds); | |
| 377 | |
| 378 const int visible_height = close_button_->GetPreferredSize().height(); | |
| 379 gfx::Rect background_bounds(gfx::Rect(bounds.size())); | |
| 380 background_bounds.set_height(visible_height); | |
| 381 background_->SetBoundsRect(background_bounds); | |
| 382 | |
| 383 bounds = background_bounds; | |
| 384 bounds.Inset(kHorizontalLabelPadding, 0, | |
| 385 kHorizontalLabelPadding + visible_height, 0); | |
| 386 label_->SetBoundsRect(bounds); | |
| 387 | |
| 388 bounds = background_bounds; | |
| 389 bounds.set_x(bounds.width() - visible_height); | |
| 390 bounds.set_width(visible_height); | |
| 391 close_button_->SetBoundsRect(bounds); | |
| 392 } | |
| 393 | |
| 394 const char* GetClassName() const override { return "CaptionContainerView"; } | |
| 395 | |
| 396 private: | |
| 397 ShieldButton* listener_button_; | |
| 398 WindowSelectorItem::RoundedContainerView* background_; | |
| 399 views::Label* label_; | |
| 400 views::ImageButton* close_button_; | |
| 401 | |
| 402 DISALLOW_COPY_AND_ASSIGN(CaptionContainerView); | |
| 403 }; | |
| 404 | |
| 405 WindowSelectorItem::WindowSelectorItem(WmWindow* window, | |
| 406 WindowSelector* window_selector) | |
| 407 : dimmed_(false), | |
| 408 root_window_(window->GetRootWindow()), | |
| 409 transform_window_(window), | |
| 410 in_bounds_update_(false), | |
| 411 selected_(false), | |
| 412 caption_container_view_(nullptr), | |
| 413 label_view_(nullptr), | |
| 414 close_button_(new OverviewCloseButton(this)), | |
| 415 window_selector_(window_selector), | |
| 416 background_view_(nullptr) { | |
| 417 CreateWindowLabel(window->GetTitle()); | |
| 418 GetWindow()->aura_window()->AddObserver(this); | |
| 419 } | |
| 420 | |
| 421 WindowSelectorItem::~WindowSelectorItem() { | |
| 422 GetWindow()->aura_window()->RemoveObserver(this); | |
| 423 } | |
| 424 | |
| 425 WmWindow* WindowSelectorItem::GetWindow() { | |
| 426 return transform_window_.window(); | |
| 427 } | |
| 428 | |
| 429 void WindowSelectorItem::RestoreWindow() { | |
| 430 caption_container_view_->listener_button()->ResetListener(); | |
| 431 close_button_->ResetListener(); | |
| 432 transform_window_.RestoreWindow(); | |
| 433 if (background_view_) { | |
| 434 background_view_->OnItemRestored(); | |
| 435 background_view_ = nullptr; | |
| 436 } | |
| 437 UpdateHeaderLayout( | |
| 438 HeaderFadeInMode::EXIT, | |
| 439 OverviewAnimationType::OVERVIEW_ANIMATION_LAY_OUT_SELECTOR_ITEMS); | |
| 440 } | |
| 441 | |
| 442 void WindowSelectorItem::EnsureVisible() { | |
| 443 transform_window_.EnsureVisible(); | |
| 444 } | |
| 445 | |
| 446 void WindowSelectorItem::Shutdown() { | |
| 447 if (transform_window_.GetTopInset()) { | |
| 448 // Activating a window (even when it is the window that was active before | |
| 449 // overview) results in stacking it at the top. Maintain the label window | |
| 450 // stacking position above the item to make the header transformation more | |
| 451 // gradual upon exiting the overview mode. | |
| 452 WmWindow* widget_window = WmWindow::Get(item_widget_->GetNativeWindow()); | |
| 453 | |
| 454 // |widget_window| was originally created in the same container as the | |
| 455 // |transform_window_| but when closing overview the |transform_window_| | |
| 456 // could have been reparented if a drag was active. Only change stacking | |
| 457 // if the windows still belong to the same container. | |
| 458 if (widget_window->GetParent() == transform_window_.window()->GetParent()) { | |
| 459 widget_window->GetParent()->StackChildAbove(widget_window, | |
| 460 transform_window_.window()); | |
| 461 } | |
| 462 } | |
| 463 if (background_view_) { | |
| 464 background_view_->OnItemRestored(); | |
| 465 background_view_ = nullptr; | |
| 466 } | |
| 467 FadeOut(std::move(item_widget_)); | |
| 468 } | |
| 469 | |
| 470 void WindowSelectorItem::PrepareForOverview() { | |
| 471 transform_window_.PrepareForOverview(); | |
| 472 UpdateHeaderLayout(HeaderFadeInMode::ENTER, | |
| 473 OverviewAnimationType::OVERVIEW_ANIMATION_NONE); | |
| 474 } | |
| 475 | |
| 476 bool WindowSelectorItem::Contains(const WmWindow* target) const { | |
| 477 return transform_window_.Contains(target); | |
| 478 } | |
| 479 | |
| 480 void WindowSelectorItem::SetBounds(const gfx::Rect& target_bounds, | |
| 481 OverviewAnimationType animation_type) { | |
| 482 if (in_bounds_update_) | |
| 483 return; | |
| 484 base::AutoReset<bool> auto_reset_in_bounds_update(&in_bounds_update_, true); | |
| 485 target_bounds_ = target_bounds; | |
| 486 | |
| 487 gfx::Rect inset_bounds(target_bounds); | |
| 488 inset_bounds.Inset(kWindowMargin, kWindowMargin); | |
| 489 SetItemBounds(inset_bounds, animation_type); | |
| 490 | |
| 491 // SetItemBounds is called before UpdateHeaderLayout so the header can | |
| 492 // properly use the updated windows bounds. | |
| 493 UpdateHeaderLayout(HeaderFadeInMode::UPDATE, animation_type); | |
| 494 } | |
| 495 | |
| 496 void WindowSelectorItem::SetSelected(bool selected) { | |
| 497 selected_ = selected; | |
| 498 background_view_->AnimateBackgroundOpacity(selected ? 0.f : kHeaderOpacity); | |
| 499 } | |
| 500 | |
| 501 void WindowSelectorItem::SendAccessibleSelectionEvent() { | |
| 502 caption_container_view_->listener_button()->NotifyAccessibilityEvent( | |
| 503 ui::AX_EVENT_SELECTION, true); | |
| 504 } | |
| 505 | |
| 506 void WindowSelectorItem::CloseWindow() { | |
| 507 gfx::Rect inset_bounds(target_bounds_); | |
| 508 inset_bounds.Inset(target_bounds_.width() * kPreCloseScale, | |
| 509 target_bounds_.height() * kPreCloseScale); | |
| 510 OverviewAnimationType animation_type = | |
| 511 OverviewAnimationType::OVERVIEW_ANIMATION_CLOSING_SELECTOR_ITEM; | |
| 512 // Scale down both the window and label. | |
| 513 SetBounds(inset_bounds, animation_type); | |
| 514 // First animate opacity to an intermediate value concurrently with the | |
| 515 // scaling animation. | |
| 516 AnimateOpacity(kClosingItemOpacity, animation_type); | |
| 517 | |
| 518 // Fade out the window and the label, effectively hiding them. | |
| 519 AnimateOpacity(0.0, | |
| 520 OverviewAnimationType::OVERVIEW_ANIMATION_CLOSE_SELECTOR_ITEM); | |
| 521 transform_window_.Close(); | |
| 522 } | |
| 523 | |
| 524 void WindowSelectorItem::HideHeader() { | |
| 525 transform_window_.HideHeader(); | |
| 526 } | |
| 527 | |
| 528 void WindowSelectorItem::OnMinimizedStateChanged() { | |
| 529 transform_window_.UpdateMirrorWindowForMinimizedState(); | |
| 530 } | |
| 531 | |
| 532 void WindowSelectorItem::SetDimmed(bool dimmed) { | |
| 533 dimmed_ = dimmed; | |
| 534 SetOpacity(dimmed ? kDimmedItemOpacity : 1.0f); | |
| 535 } | |
| 536 | |
| 537 void WindowSelectorItem::ButtonPressed(views::Button* sender, | |
| 538 const ui::Event& event) { | |
| 539 if (sender == close_button_) { | |
| 540 WmShell::Get()->RecordUserMetricsAction(UMA_WINDOW_OVERVIEW_CLOSE_BUTTON); | |
| 541 CloseWindow(); | |
| 542 return; | |
| 543 } | |
| 544 CHECK(sender == caption_container_view_->listener_button()); | |
| 545 window_selector_->SelectWindow(this); | |
| 546 } | |
| 547 | |
| 548 void WindowSelectorItem::OnWindowDestroying(aura::Window* window) { | |
| 549 window->RemoveObserver(this); | |
| 550 transform_window_.OnWindowDestroyed(); | |
| 551 } | |
| 552 | |
| 553 void WindowSelectorItem::OnWindowTitleChanged(aura::Window* window) { | |
| 554 // TODO(flackr): Maybe add the new title to a vector of titles so that we can | |
| 555 // filter any of the titles the window had while in the overview session. | |
| 556 label_view_->SetText(window->GetTitle()); | |
| 557 UpdateAccessibilityName(); | |
| 558 } | |
| 559 | |
| 560 float WindowSelectorItem::GetItemScale(const gfx::Size& size) { | |
| 561 gfx::Size inset_size(size.width(), size.height() - 2 * kWindowMargin); | |
| 562 return ScopedTransformOverviewWindow::GetItemScale( | |
| 563 transform_window_.GetTargetBoundsInScreen().size(), inset_size, | |
| 564 transform_window_.GetTopInset(), | |
| 565 close_button_->GetPreferredSize().height()); | |
| 566 } | |
| 567 | |
| 568 gfx::Rect WindowSelectorItem::GetTargetBoundsInScreen() const { | |
| 569 return transform_window_.GetTargetBoundsInScreen(); | |
| 570 } | |
| 571 | |
| 572 void WindowSelectorItem::SetItemBounds(const gfx::Rect& target_bounds, | |
| 573 OverviewAnimationType animation_type) { | |
| 574 DCHECK(root_window_ == GetWindow()->GetRootWindow()); | |
| 575 gfx::Rect screen_rect = transform_window_.GetTargetBoundsInScreen(); | |
| 576 | |
| 577 // Avoid division by zero by ensuring screen bounds is not empty. | |
| 578 gfx::Size screen_size(screen_rect.size()); | |
| 579 screen_size.SetToMax(gfx::Size(1, 1)); | |
| 580 screen_rect.set_size(screen_size); | |
| 581 | |
| 582 const int top_view_inset = transform_window_.GetTopInset(); | |
| 583 const int title_height = close_button_->GetPreferredSize().height(); | |
| 584 gfx::Rect selector_item_bounds = | |
| 585 ScopedTransformOverviewWindow::ShrinkRectToFitPreservingAspectRatio( | |
| 586 screen_rect, target_bounds, top_view_inset, title_height); | |
| 587 gfx::Transform transform = ScopedTransformOverviewWindow::GetTransformForRect( | |
| 588 screen_rect, selector_item_bounds); | |
| 589 ScopedTransformOverviewWindow::ScopedAnimationSettings animation_settings; | |
| 590 transform_window_.BeginScopedAnimation(animation_type, &animation_settings); | |
| 591 transform_window_.SetTransform(root_window_, transform); | |
| 592 } | |
| 593 | |
| 594 void WindowSelectorItem::SetOpacity(float opacity) { | |
| 595 item_widget_->SetOpacity(opacity); | |
| 596 if (background_view_) { | |
| 597 background_view_->AnimateBackgroundOpacity( | |
| 598 selected_ ? 0.f : kHeaderOpacity * opacity); | |
| 599 } | |
| 600 transform_window_.SetOpacity(opacity); | |
| 601 } | |
| 602 | |
| 603 void WindowSelectorItem::CreateWindowLabel(const base::string16& title) { | |
| 604 background_view_ = new RoundedContainerView(this, transform_window_.window(), | |
| 605 kLabelBackgroundRadius, | |
| 606 transform_window_.GetTopColor()); | |
| 607 // |background_view_| will get added as a child to CaptionContainerView. | |
| 608 views::Widget::InitParams params_label; | |
| 609 params_label.type = views::Widget::InitParams::TYPE_POPUP; | |
| 610 params_label.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET; | |
| 611 params_label.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW; | |
| 612 params_label.visible_on_all_workspaces = true; | |
| 613 params_label.layer_type = ui::LAYER_NOT_DRAWN; | |
| 614 params_label.name = "OverviewModeLabel"; | |
| 615 params_label.activatable = | |
| 616 views::Widget::InitParams::Activatable::ACTIVATABLE_DEFAULT; | |
| 617 params_label.accept_events = true; | |
| 618 item_widget_.reset(new views::Widget); | |
| 619 root_window_->GetRootWindowController() | |
| 620 ->ConfigureWidgetInitParamsForContainer( | |
| 621 item_widget_.get(), | |
| 622 transform_window_.window()->GetParent()->GetShellWindowId(), | |
| 623 ¶ms_label); | |
| 624 item_widget_->set_focus_on_creation(false); | |
| 625 item_widget_->Init(params_label); | |
| 626 WmWindow* widget_window = WmWindow::Get(item_widget_->GetNativeWindow()); | |
| 627 if (transform_window_.GetTopInset()) { | |
| 628 // For windows with headers the overview header fades in above the | |
| 629 // original window header. | |
| 630 widget_window->GetParent()->StackChildAbove(widget_window, | |
| 631 transform_window_.window()); | |
| 632 } else { | |
| 633 // For tabbed windows the overview header slides from behind. The stacking | |
| 634 // is then corrected when the animation completes. | |
| 635 widget_window->GetParent()->StackChildBelow(widget_window, | |
| 636 transform_window_.window()); | |
| 637 } | |
| 638 label_view_ = new views::Label(title); | |
| 639 label_view_->SetHorizontalAlignment(gfx::ALIGN_LEFT); | |
| 640 label_view_->SetAutoColorReadabilityEnabled(false); | |
| 641 label_view_->SetEnabledColor(kLabelColor); | |
| 642 // Tell the label what color it will be drawn onto. It will use whether the | |
| 643 // background color is opaque or transparent to decide whether to use | |
| 644 // subpixel rendering. Does not actually set the label's background color. | |
| 645 label_view_->SetBackgroundColor(kLabelBackgroundColor); | |
| 646 | |
| 647 caption_container_view_ = new CaptionContainerView( | |
| 648 this, label_view_, close_button_, background_view_); | |
| 649 item_widget_->SetContentsView(caption_container_view_); | |
| 650 label_view_->SetVisible(false); | |
| 651 item_widget_->SetOpacity(0); | |
| 652 item_widget_->Show(); | |
| 653 item_widget_->GetLayer()->SetMasksToBounds(false); | |
| 654 } | |
| 655 | |
| 656 void WindowSelectorItem::UpdateHeaderLayout( | |
| 657 HeaderFadeInMode mode, | |
| 658 OverviewAnimationType animation_type) { | |
| 659 gfx::Rect transformed_window_bounds = root_window_->ConvertRectFromScreen( | |
| 660 transform_window_.GetTransformedBounds()); | |
| 661 | |
| 662 gfx::Rect label_rect(close_button_->GetPreferredSize()); | |
| 663 label_rect.set_width(transformed_window_bounds.width()); | |
| 664 // For tabbed windows the initial bounds of the caption are set such that it | |
| 665 // appears to be "growing" up from the window content area. | |
| 666 label_rect.set_y( | |
| 667 (mode != HeaderFadeInMode::ENTER || transform_window_.GetTopInset()) | |
| 668 ? -label_rect.height() | |
| 669 : 0); | |
| 670 if (background_view_) { | |
| 671 if (mode == HeaderFadeInMode::ENTER) { | |
| 672 background_view_->ObserveLayerAnimations(item_widget_->GetLayer()); | |
| 673 background_view_->set_color(kLabelBackgroundColor); | |
| 674 // The color will be animated only once the label widget is faded in. | |
| 675 } else if (mode == HeaderFadeInMode::EXIT) { | |
| 676 // Normally the observer is disconnected when the fade-in animations | |
| 677 // complete but some tests invoke animations with |NON_ZERO_DURATION| | |
| 678 // without waiting for completion so do it here. | |
| 679 background_view_->StopObservingLayerAnimations(); | |
| 680 // Make the header visible above the window. It will be faded out when | |
| 681 // the Shutdown() is called. | |
| 682 background_view_->AnimateColor(gfx::Tween::EASE_OUT, | |
| 683 kExitFadeInMilliseconds); | |
| 684 background_view_->set_color(kLabelExitColor); | |
| 685 } | |
| 686 } | |
| 687 if (!label_view_->visible()) { | |
| 688 label_view_->SetVisible(true); | |
| 689 SetupFadeInAfterLayout(item_widget_.get()); | |
| 690 } | |
| 691 WmWindow* widget_window = WmWindow::Get(item_widget_->GetNativeWindow()); | |
| 692 std::unique_ptr<ScopedOverviewAnimationSettings> animation_settings = | |
| 693 ScopedOverviewAnimationSettingsFactory::Get() | |
| 694 ->CreateOverviewAnimationSettings(animation_type, widget_window); | |
| 695 // |widget_window| covers both the transformed window and the header | |
| 696 // as well as the gap between the windows to prevent events from reaching | |
| 697 // the window including its sizing borders. | |
| 698 if (mode != HeaderFadeInMode::ENTER) { | |
| 699 label_rect.set_height(close_button_->GetPreferredSize().height() + | |
| 700 transformed_window_bounds.height()); | |
| 701 } | |
| 702 label_rect.Inset(-kWindowSelectorMargin, -kWindowSelectorMargin); | |
| 703 widget_window->SetBounds(label_rect); | |
| 704 gfx::Transform label_transform; | |
| 705 label_transform.Translate(transformed_window_bounds.x(), | |
| 706 transformed_window_bounds.y()); | |
| 707 widget_window->SetTransform(label_transform); | |
| 708 } | |
| 709 | |
| 710 void WindowSelectorItem::AnimateOpacity(float opacity, | |
| 711 OverviewAnimationType animation_type) { | |
| 712 DCHECK_GE(opacity, 0.f); | |
| 713 DCHECK_LE(opacity, 1.f); | |
| 714 ScopedTransformOverviewWindow::ScopedAnimationSettings animation_settings; | |
| 715 transform_window_.BeginScopedAnimation(animation_type, &animation_settings); | |
| 716 transform_window_.SetOpacity(opacity); | |
| 717 | |
| 718 const float header_opacity = selected_ ? 0.f : kHeaderOpacity * opacity; | |
| 719 WmWindow* widget_window = WmWindow::Get(item_widget_->GetNativeWindow()); | |
| 720 std::unique_ptr<ScopedOverviewAnimationSettings> animation_settings_label = | |
| 721 ScopedOverviewAnimationSettingsFactory::Get() | |
| 722 ->CreateOverviewAnimationSettings(animation_type, widget_window); | |
| 723 widget_window->SetOpacity(header_opacity); | |
| 724 } | |
| 725 | |
| 726 void WindowSelectorItem::UpdateAccessibilityName() { | |
| 727 caption_container_view_->listener_button()->SetAccessibleName( | |
| 728 GetWindow()->GetTitle()); | |
| 729 } | |
| 730 | |
| 731 void WindowSelectorItem::FadeOut(std::unique_ptr<views::Widget> widget) { | |
| 732 widget->SetOpacity(1.f); | |
| 733 | |
| 734 // Fade out the widget. This animation continues past the lifetime of |this|. | |
| 735 WmWindow* widget_window = WmWindow::Get(widget->GetNativeWindow()); | |
| 736 std::unique_ptr<ScopedOverviewAnimationSettings> animation_settings = | |
| 737 ScopedOverviewAnimationSettingsFactory::Get() | |
| 738 ->CreateOverviewAnimationSettings( | |
| 739 OverviewAnimationType:: | |
| 740 OVERVIEW_ANIMATION_EXIT_OVERVIEW_MODE_FADE_OUT, | |
| 741 widget_window); | |
| 742 // CleanupAnimationObserver will delete itself (and the widget) when the | |
| 743 // opacity animation is complete. | |
| 744 // Ownership over the observer is passed to the window_selector_->delegate() | |
| 745 // which has longer lifetime so that animations can continue even after the | |
| 746 // overview mode is shut down. | |
| 747 views::Widget* widget_ptr = widget.get(); | |
| 748 std::unique_ptr<CleanupAnimationObserver> observer( | |
| 749 new CleanupAnimationObserver(std::move(widget))); | |
| 750 animation_settings->AddObserver(observer.get()); | |
| 751 window_selector_->delegate()->AddDelayedAnimationObserver( | |
| 752 std::move(observer)); | |
| 753 widget_ptr->SetOpacity(0.f); | |
| 754 } | |
| 755 | |
| 756 gfx::SlideAnimation* WindowSelectorItem::GetBackgroundViewAnimation() { | |
| 757 return background_view_ ? background_view_->animation() : nullptr; | |
| 758 } | |
| 759 | |
| 760 WmWindow* WindowSelectorItem::GetOverviewWindowForMinimizedStateForTest() { | |
| 761 return transform_window_.GetOverviewWindowForMinimizedState(); | |
| 762 } | |
| 763 | |
| 764 } // namespace ash | |
| OLD | NEW |
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Issue 2734653002:
chromeos: Move files in //ash/common to //ash (Closed)
