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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/scoped_transform_overview_window.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "ash/common/wm/overview/scoped_overview_animation_settings.h" | |
| 11 #include "ash/common/wm/overview/scoped_overview_animation_settings_factory.h" | |
| 12 #include "ash/common/wm/overview/window_selector_item.h" | |
| 13 #include "ash/common/wm/window_state.h" | |
| 14 #include "ash/common/wm_shell.h" | |
| 15 #include "ash/common/wm_window.h" | |
| 16 #include "ash/root_window_controller.h" | |
| 17 #include "base/macros.h" | |
| 18 #include "base/memory/ptr_util.h" | |
| 19 #include "base/single_thread_task_runner.h" | |
| 20 #include "base/threading/thread_task_runner_handle.h" | |
| 21 #include "ui/aura/client/aura_constants.h" | |
| 22 #include "ui/compositor/layer.h" | |
| 23 #include "ui/gfx/geometry/rect.h" | |
| 24 #include "ui/gfx/geometry/safe_integer_conversions.h" | |
| 25 #include "ui/gfx/transform_util.h" | |
| 26 #include "ui/views/widget/widget.h" | |
| 27 | |
| 28 using WmWindows = std::vector<ash::WmWindow*>; | |
| 29 | |
| 30 namespace ash { | |
| 31 | |
| 32 namespace { | |
| 33 | |
| 34 // When set to true by tests makes closing the widget synchronous. | |
| 35 bool immediate_close_for_tests = false; | |
| 36 | |
| 37 // Delay closing window to allow it to shrink and fade out. | |
| 38 const int kCloseWindowDelayInMilliseconds = 150; | |
| 39 | |
| 40 WmWindow* GetTransientRoot(WmWindow* window) { | |
| 41 while (window && window->GetTransientParent()) | |
| 42 window = window->GetTransientParent(); | |
| 43 return window; | |
| 44 } | |
| 45 | |
| 46 std::unique_ptr<ScopedOverviewAnimationSettings> | |
| 47 CreateScopedOverviewAnimationSettings(OverviewAnimationType animation_type, | |
| 48 WmWindow* window) { | |
| 49 return ScopedOverviewAnimationSettingsFactory::Get() | |
| 50 ->CreateOverviewAnimationSettings(animation_type, window); | |
| 51 } | |
| 52 | |
| 53 // An iterator class that traverses a WmWindow and all of its transient | |
| 54 // descendants. | |
| 55 class TransientDescendantIterator { | |
| 56 public: | |
| 57 // Creates an empty iterator. | |
| 58 TransientDescendantIterator(); | |
| 59 | |
| 60 // Copy constructor required for iterator purposes. | |
| 61 TransientDescendantIterator(const TransientDescendantIterator& other) = | |
| 62 default; | |
| 63 | |
| 64 // Iterates over |root_window| and all of its transient descendants. | |
| 65 // Note |root_window| must not have a transient parent. | |
| 66 explicit TransientDescendantIterator(WmWindow* root_window); | |
| 67 | |
| 68 // Prefix increment operator. This assumes there are more items (i.e. | |
| 69 // *this != TransientDescendantIterator()). | |
| 70 const TransientDescendantIterator& operator++(); | |
| 71 | |
| 72 // Comparison for STL-based loops. | |
| 73 bool operator!=(const TransientDescendantIterator& other) const; | |
| 74 | |
| 75 // Dereference operator for STL-compatible iterators. | |
| 76 WmWindow* operator*() const; | |
| 77 | |
| 78 private: | |
| 79 // Explicit assignment operator defined because an explicit copy constructor | |
| 80 // is needed and therefore the DISALLOW_COPY_AND_ASSIGN macro cannot be used. | |
| 81 TransientDescendantIterator& operator=( | |
| 82 const TransientDescendantIterator& other) = default; | |
| 83 | |
| 84 // The current window that |this| refers to. A null |current_window_| denotes | |
| 85 // an empty iterator and is used as the last possible value in the traversal. | |
| 86 WmWindow* current_window_; | |
| 87 }; | |
| 88 | |
| 89 // Provides a virtual container implementing begin() and end() for a sequence of | |
| 90 // TransientDescendantIterators. This can be used in range-based for loops. | |
| 91 class TransientDescendantIteratorRange { | |
| 92 public: | |
| 93 explicit TransientDescendantIteratorRange( | |
| 94 const TransientDescendantIterator& begin); | |
| 95 | |
| 96 // Copy constructor required for iterator purposes. | |
| 97 TransientDescendantIteratorRange( | |
| 98 const TransientDescendantIteratorRange& other) = default; | |
| 99 | |
| 100 const TransientDescendantIterator& begin() const { return begin_; } | |
| 101 const TransientDescendantIterator& end() const { return end_; } | |
| 102 | |
| 103 private: | |
| 104 // Explicit assignment operator defined because an explicit copy constructor | |
| 105 // is needed and therefore the DISALLOW_COPY_AND_ASSIGN macro cannot be used. | |
| 106 TransientDescendantIteratorRange& operator=( | |
| 107 const TransientDescendantIteratorRange& other) = default; | |
| 108 | |
| 109 TransientDescendantIterator begin_; | |
| 110 TransientDescendantIterator end_; | |
| 111 }; | |
| 112 | |
| 113 TransientDescendantIterator::TransientDescendantIterator() | |
| 114 : current_window_(nullptr) {} | |
| 115 | |
| 116 TransientDescendantIterator::TransientDescendantIterator(WmWindow* root_window) | |
| 117 : current_window_(root_window) { | |
| 118 DCHECK(!root_window->GetTransientParent()); | |
| 119 } | |
| 120 | |
| 121 // Performs a pre-order traversal of the transient descendants. | |
| 122 const TransientDescendantIterator& TransientDescendantIterator::operator++() { | |
| 123 DCHECK(current_window_); | |
| 124 | |
| 125 const WmWindows transient_children = current_window_->GetTransientChildren(); | |
| 126 | |
| 127 if (!transient_children.empty()) { | |
| 128 current_window_ = transient_children.front(); | |
| 129 } else { | |
| 130 while (current_window_) { | |
| 131 WmWindow* parent = current_window_->GetTransientParent(); | |
| 132 if (!parent) { | |
| 133 current_window_ = nullptr; | |
| 134 break; | |
| 135 } | |
| 136 const WmWindows transient_siblings = parent->GetTransientChildren(); | |
| 137 auto iter = std::find(transient_siblings.begin(), | |
| 138 transient_siblings.end(), current_window_); | |
| 139 ++iter; | |
| 140 if (iter != transient_siblings.end()) { | |
| 141 current_window_ = *iter; | |
| 142 break; | |
| 143 } | |
| 144 current_window_ = current_window_->GetTransientParent(); | |
| 145 } | |
| 146 } | |
| 147 return *this; | |
| 148 } | |
| 149 | |
| 150 bool TransientDescendantIterator::operator!=( | |
| 151 const TransientDescendantIterator& other) const { | |
| 152 return current_window_ != other.current_window_; | |
| 153 } | |
| 154 | |
| 155 WmWindow* TransientDescendantIterator::operator*() const { | |
| 156 return current_window_; | |
| 157 } | |
| 158 | |
| 159 TransientDescendantIteratorRange::TransientDescendantIteratorRange( | |
| 160 const TransientDescendantIterator& begin) | |
| 161 : begin_(begin) {} | |
| 162 | |
| 163 TransientDescendantIteratorRange GetTransientTreeIterator(WmWindow* window) { | |
| 164 return TransientDescendantIteratorRange( | |
| 165 TransientDescendantIterator(GetTransientRoot(window))); | |
| 166 } | |
| 167 | |
| 168 } // namespace | |
| 169 | |
| 170 ScopedTransformOverviewWindow::ScopedTransformOverviewWindow(WmWindow* window) | |
| 171 : window_(window), | |
| 172 determined_original_window_shape_(false), | |
| 173 ignored_by_shelf_(window->GetWindowState()->ignored_by_shelf()), | |
| 174 overview_started_(false), | |
| 175 original_transform_(window->GetTargetTransform()), | |
| 176 original_opacity_(window->GetTargetOpacity()), | |
| 177 weak_ptr_factory_(this) {} | |
| 178 | |
| 179 ScopedTransformOverviewWindow::~ScopedTransformOverviewWindow() {} | |
| 180 | |
| 181 void ScopedTransformOverviewWindow::RestoreWindow() { | |
| 182 ShowHeader(); | |
| 183 if (minimized_widget_) { | |
| 184 // TODO(oshima): Use unminimize animation instead of hiding animation. | |
| 185 minimized_widget_->CloseNow(); | |
| 186 minimized_widget_.reset(); | |
| 187 return; | |
| 188 } | |
| 189 ScopedAnimationSettings animation_settings_list; | |
| 190 BeginScopedAnimation(OverviewAnimationType::OVERVIEW_ANIMATION_RESTORE_WINDOW, | |
| 191 &animation_settings_list); | |
| 192 SetTransform(window()->GetRootWindow(), original_transform_); | |
| 193 std::unique_ptr<ScopedOverviewAnimationSettings> animation_settings = | |
| 194 CreateScopedOverviewAnimationSettings( | |
| 195 OverviewAnimationType::OVERVIEW_ANIMATION_LAY_OUT_SELECTOR_ITEMS, | |
| 196 window_); | |
| 197 window_->GetWindowState()->set_ignored_by_shelf(ignored_by_shelf_); | |
| 198 SetOpacity(original_opacity_); | |
| 199 } | |
| 200 | |
| 201 void ScopedTransformOverviewWindow::BeginScopedAnimation( | |
| 202 OverviewAnimationType animation_type, | |
| 203 ScopedAnimationSettings* animation_settings) { | |
| 204 for (auto* window : GetTransientTreeIterator(GetOverviewWindow())) { | |
| 205 animation_settings->push_back( | |
| 206 CreateScopedOverviewAnimationSettings(animation_type, window)); | |
| 207 } | |
| 208 } | |
| 209 | |
| 210 bool ScopedTransformOverviewWindow::Contains(const WmWindow* target) const { | |
| 211 for (auto* window : GetTransientTreeIterator(window_)) { | |
| 212 if (window->Contains(target)) | |
| 213 return true; | |
| 214 } | |
| 215 WmWindow* mirror = GetOverviewWindowForMinimizedState(); | |
| 216 return mirror && mirror->Contains(target); | |
| 217 } | |
| 218 | |
| 219 gfx::Rect ScopedTransformOverviewWindow::GetTargetBoundsInScreen() const { | |
| 220 gfx::Rect bounds; | |
| 221 WmWindow* overview_window = GetOverviewWindow(); | |
| 222 for (auto* window : GetTransientTreeIterator(overview_window)) { | |
| 223 // Ignore other window types when computing bounding box of window | |
| 224 // selector target item. | |
| 225 if (window != overview_window && | |
| 226 window->GetType() != ui::wm::WINDOW_TYPE_NORMAL && | |
| 227 window->GetType() != ui::wm::WINDOW_TYPE_PANEL) { | |
| 228 continue; | |
| 229 } | |
| 230 bounds.Union( | |
| 231 window->GetParent()->ConvertRectToScreen(window->GetTargetBounds())); | |
| 232 } | |
| 233 return bounds; | |
| 234 } | |
| 235 | |
| 236 gfx::Rect ScopedTransformOverviewWindow::GetTransformedBounds() const { | |
| 237 const int top_inset = GetTopInset(); | |
| 238 gfx::Rect bounds; | |
| 239 WmWindow* overview_window = GetOverviewWindow(); | |
| 240 for (auto* window : GetTransientTreeIterator(overview_window)) { | |
| 241 // Ignore other window types when computing bounding box of window | |
| 242 // selector target item. | |
| 243 if (window != overview_window && | |
| 244 (window->GetType() != ui::wm::WINDOW_TYPE_NORMAL && | |
| 245 window->GetType() != ui::wm::WINDOW_TYPE_PANEL)) { | |
| 246 continue; | |
| 247 } | |
| 248 gfx::RectF window_bounds(window->GetTargetBounds()); | |
| 249 gfx::Transform new_transform = | |
| 250 TransformAboutPivot(gfx::Point(window_bounds.x(), window_bounds.y()), | |
| 251 window->GetTargetTransform()); | |
| 252 new_transform.TransformRect(&window_bounds); | |
| 253 | |
| 254 // The preview title is shown above the preview window. Hide the window | |
| 255 // header for apps or browser windows with no tabs (web apps) to avoid | |
| 256 // showing both the window header and the preview title. | |
| 257 if (top_inset > 0) { | |
| 258 gfx::RectF header_bounds(window_bounds); | |
| 259 header_bounds.set_height(top_inset); | |
| 260 new_transform.TransformRect(&header_bounds); | |
| 261 window_bounds.Inset(0, gfx::ToCeiledInt(header_bounds.height()), 0, 0); | |
| 262 } | |
| 263 bounds.Union(window->GetParent()->ConvertRectToScreen( | |
| 264 ToEnclosingRect(window_bounds))); | |
| 265 } | |
| 266 return bounds; | |
| 267 } | |
| 268 | |
| 269 SkColor ScopedTransformOverviewWindow::GetTopColor() const { | |
| 270 for (auto* window : GetTransientTreeIterator(window_)) { | |
| 271 // If there are regular windows in the transient ancestor tree, all those | |
| 272 // windows are shown in the same overview item and the header is not masked. | |
| 273 if (window != window_ && (window->GetType() == ui::wm::WINDOW_TYPE_NORMAL || | |
| 274 window->GetType() == ui::wm::WINDOW_TYPE_PANEL)) { | |
| 275 return SK_ColorTRANSPARENT; | |
| 276 } | |
| 277 } | |
| 278 return window_->aura_window()->GetProperty(aura::client::kTopViewColor); | |
| 279 } | |
| 280 | |
| 281 int ScopedTransformOverviewWindow::GetTopInset() const { | |
| 282 // Mirror window doesn't have insets. | |
| 283 if (minimized_widget_) | |
| 284 return 0; | |
| 285 for (auto* window : GetTransientTreeIterator(window_)) { | |
| 286 // If there are regular windows in the transient ancestor tree, all those | |
| 287 // windows are shown in the same overview item and the header is not masked. | |
| 288 if (window != window_ && (window->GetType() == ui::wm::WINDOW_TYPE_NORMAL || | |
| 289 window->GetType() == ui::wm::WINDOW_TYPE_PANEL)) { | |
| 290 return 0; | |
| 291 } | |
| 292 } | |
| 293 return window_->aura_window()->GetProperty(aura::client::kTopViewInset); | |
| 294 } | |
| 295 | |
| 296 void ScopedTransformOverviewWindow::OnWindowDestroyed() { | |
| 297 window_ = nullptr; | |
| 298 } | |
| 299 | |
| 300 float ScopedTransformOverviewWindow::GetItemScale(const gfx::Size& source, | |
| 301 const gfx::Size& target, | |
| 302 int top_view_inset, | |
| 303 int title_height) { | |
| 304 return std::min(2.0f, static_cast<float>((target.height() - title_height)) / | |
| 305 (source.height() - top_view_inset)); | |
| 306 } | |
| 307 | |
| 308 gfx::Rect ScopedTransformOverviewWindow::ShrinkRectToFitPreservingAspectRatio( | |
| 309 const gfx::Rect& rect, | |
| 310 const gfx::Rect& bounds, | |
| 311 int top_view_inset, | |
| 312 int title_height) { | |
| 313 DCHECK(!rect.IsEmpty()); | |
| 314 DCHECK_LE(top_view_inset, rect.height()); | |
| 315 const float scale = | |
| 316 GetItemScale(rect.size(), bounds.size(), top_view_inset, title_height); | |
| 317 const int horizontal_offset = gfx::ToFlooredInt( | |
| 318 0.5 * (bounds.width() - gfx::ToFlooredInt(scale * rect.width()))); | |
| 319 const int width = bounds.width() - 2 * horizontal_offset; | |
| 320 const int vertical_offset = | |
| 321 title_height - gfx::ToCeiledInt(scale * top_view_inset); | |
| 322 const int height = std::min(gfx::ToCeiledInt(scale * rect.height()), | |
| 323 bounds.height() - vertical_offset); | |
| 324 return gfx::Rect(bounds.x() + horizontal_offset, bounds.y() + vertical_offset, | |
| 325 width, height); | |
| 326 } | |
| 327 | |
| 328 gfx::Transform ScopedTransformOverviewWindow::GetTransformForRect( | |
| 329 const gfx::Rect& src_rect, | |
| 330 const gfx::Rect& dst_rect) { | |
| 331 DCHECK(!src_rect.IsEmpty()); | |
| 332 gfx::Transform transform; | |
| 333 transform.Translate(dst_rect.x() - src_rect.x(), dst_rect.y() - src_rect.y()); | |
| 334 transform.Scale(static_cast<float>(dst_rect.width()) / src_rect.width(), | |
| 335 static_cast<float>(dst_rect.height()) / src_rect.height()); | |
| 336 return transform; | |
| 337 } | |
| 338 | |
| 339 void ScopedTransformOverviewWindow::SetTransform( | |
| 340 WmWindow* root_window, | |
| 341 const gfx::Transform& transform) { | |
| 342 DCHECK(overview_started_); | |
| 343 | |
| 344 if (&transform != &original_transform_ && | |
| 345 !determined_original_window_shape_) { | |
| 346 determined_original_window_shape_ = true; | |
| 347 SkRegion* window_shape = window()->GetLayer()->alpha_shape(); | |
| 348 if (!original_window_shape_ && window_shape) | |
| 349 original_window_shape_.reset(new SkRegion(*window_shape)); | |
| 350 } | |
| 351 | |
| 352 gfx::Point target_origin(GetTargetBoundsInScreen().origin()); | |
| 353 for (auto* window : GetTransientTreeIterator(GetOverviewWindow())) { | |
| 354 WmWindow* parent_window = window->GetParent(); | |
| 355 gfx::Point original_origin = | |
| 356 parent_window->ConvertRectToScreen(window->GetTargetBounds()).origin(); | |
| 357 gfx::Transform new_transform = | |
| 358 TransformAboutPivot(gfx::Point(target_origin.x() - original_origin.x(), | |
| 359 target_origin.y() - original_origin.y()), | |
| 360 transform); | |
| 361 window->SetTransform(new_transform); | |
| 362 } | |
| 363 } | |
| 364 | |
| 365 void ScopedTransformOverviewWindow::SetOpacity(float opacity) { | |
| 366 for (auto* window : GetTransientTreeIterator(GetOverviewWindow())) { | |
| 367 window->SetOpacity(opacity); | |
| 368 } | |
| 369 } | |
| 370 | |
| 371 void ScopedTransformOverviewWindow::HideHeader() { | |
| 372 // Mirrored Window does not have a header. | |
| 373 if (minimized_widget_) | |
| 374 return; | |
| 375 gfx::Rect bounds(GetTargetBoundsInScreen().size()); | |
| 376 const int inset = GetTopInset(); | |
| 377 if (inset > 0) { | |
| 378 // Use alpha shape to hide the window header. | |
| 379 bounds.Inset(0, inset, 0, 0); | |
| 380 std::unique_ptr<SkRegion> region(new SkRegion); | |
| 381 region->setRect(RectToSkIRect(bounds)); | |
| 382 if (original_window_shape_) | |
| 383 region->op(*original_window_shape_, SkRegion::kIntersect_Op); | |
| 384 WmWindow* window = GetOverviewWindow(); | |
| 385 window->GetLayer()->SetAlphaShape(std::move(region)); | |
| 386 window->SetMasksToBounds(true); | |
| 387 } | |
| 388 } | |
| 389 | |
| 390 void ScopedTransformOverviewWindow::ShowHeader() { | |
| 391 ui::Layer* layer = window()->GetLayer(); | |
| 392 if (original_window_shape_) { | |
| 393 layer->SetAlphaShape( | |
| 394 base::MakeUnique<SkRegion>(*original_window_shape_.get())); | |
| 395 } else { | |
| 396 layer->SetAlphaShape(nullptr); | |
| 397 } | |
| 398 window()->SetMasksToBounds(false); | |
| 399 } | |
| 400 | |
| 401 void ScopedTransformOverviewWindow::UpdateMirrorWindowForMinimizedState() { | |
| 402 // TODO(oshima): Disable animation. | |
| 403 if (window_->GetShowState() == ui::SHOW_STATE_MINIMIZED) { | |
| 404 if (!minimized_widget_) | |
| 405 CreateMirrorWindowForMinimizedState(); | |
| 406 } else { | |
| 407 minimized_widget_->CloseNow(); | |
| 408 minimized_widget_.reset(); | |
| 409 } | |
| 410 } | |
| 411 | |
| 412 void ScopedTransformOverviewWindow::Close() { | |
| 413 if (immediate_close_for_tests) { | |
| 414 CloseWidget(); | |
| 415 return; | |
| 416 } | |
| 417 base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( | |
| 418 FROM_HERE, base::Bind(&ScopedTransformOverviewWindow::CloseWidget, | |
| 419 weak_ptr_factory_.GetWeakPtr()), | |
| 420 base::TimeDelta::FromMilliseconds(kCloseWindowDelayInMilliseconds)); | |
| 421 } | |
| 422 | |
| 423 void ScopedTransformOverviewWindow::PrepareForOverview() { | |
| 424 DCHECK(!overview_started_); | |
| 425 overview_started_ = true; | |
| 426 window_->GetWindowState()->set_ignored_by_shelf(true); | |
| 427 if (window_->GetShowState() == ui::SHOW_STATE_MINIMIZED) | |
| 428 CreateMirrorWindowForMinimizedState(); | |
| 429 } | |
| 430 | |
| 431 void ScopedTransformOverviewWindow::CloseWidget() { | |
| 432 WmWindow* parent_window = GetTransientRoot(window_); | |
| 433 if (parent_window) | |
| 434 parent_window->CloseWidget(); | |
| 435 } | |
| 436 | |
| 437 // static | |
| 438 void ScopedTransformOverviewWindow::SetImmediateCloseForTests() { | |
| 439 immediate_close_for_tests = true; | |
| 440 } | |
| 441 | |
| 442 WmWindow* ScopedTransformOverviewWindow::GetOverviewWindow() const { | |
| 443 if (minimized_widget_) | |
| 444 return GetOverviewWindowForMinimizedState(); | |
| 445 return window_; | |
| 446 } | |
| 447 | |
| 448 void ScopedTransformOverviewWindow::EnsureVisible() { | |
| 449 original_opacity_ = 1.f; | |
| 450 } | |
| 451 | |
| 452 void ScopedTransformOverviewWindow::OnGestureEvent(ui::GestureEvent* event) { | |
| 453 if (event->type() == ui::ET_GESTURE_TAP) { | |
| 454 EnsureVisible(); | |
| 455 window_->Show(); | |
| 456 window_->Activate(); | |
| 457 } | |
| 458 } | |
| 459 | |
| 460 void ScopedTransformOverviewWindow::OnMouseEvent(ui::MouseEvent* event) { | |
| 461 if (event->type() == ui::ET_MOUSE_PRESSED && event->IsOnlyLeftMouseButton()) { | |
| 462 EnsureVisible(); | |
| 463 window_->Show(); | |
| 464 window_->Activate(); | |
| 465 } | |
| 466 } | |
| 467 | |
| 468 WmWindow* ScopedTransformOverviewWindow::GetOverviewWindowForMinimizedState() | |
| 469 const { | |
| 470 return minimized_widget_ ? WmWindow::Get(minimized_widget_->GetNativeWindow()) | |
| 471 : nullptr; | |
| 472 } | |
| 473 | |
| 474 void ScopedTransformOverviewWindow::CreateMirrorWindowForMinimizedState() { | |
| 475 DCHECK(!minimized_widget_.get()); | |
| 476 views::Widget::InitParams params; | |
| 477 params.type = views::Widget::InitParams::TYPE_WINDOW_FRAMELESS; | |
| 478 params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET; | |
| 479 params.visible_on_all_workspaces = true; | |
| 480 params.name = "OverviewModeMinimized"; | |
| 481 params.activatable = views::Widget::InitParams::Activatable::ACTIVATABLE_NO; | |
| 482 params.accept_events = true; | |
| 483 minimized_widget_.reset(new views::Widget); | |
| 484 window_->GetRootWindow() | |
| 485 ->GetRootWindowController() | |
| 486 ->ConfigureWidgetInitParamsForContainer( | |
| 487 minimized_widget_.get(), window_->GetParent()->GetShellWindowId(), | |
| 488 ¶ms); | |
| 489 minimized_widget_->set_focus_on_creation(false); | |
| 490 minimized_widget_->Init(params); | |
| 491 | |
| 492 views::View* mirror_view = window_->CreateViewWithRecreatedLayers().release(); | |
| 493 mirror_view->SetVisible(true); | |
| 494 mirror_view->SetTargetHandler(this); | |
| 495 minimized_widget_->SetContentsView(mirror_view); | |
| 496 gfx::Rect bounds(window_->GetBoundsInScreen()); | |
| 497 gfx::Size preferred = mirror_view->GetPreferredSize(); | |
| 498 // In unit tests, the content view can have empty size. | |
| 499 if (!preferred.IsEmpty()) { | |
| 500 int inset = bounds.height() - preferred.height(); | |
| 501 bounds.Inset(0, 0, 0, inset); | |
| 502 } | |
| 503 minimized_widget_->SetBounds(bounds); | |
| 504 minimized_widget_->Show(); | |
| 505 } | |
| 506 | |
| 507 } // namespace ash | |
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