chromeos: Move files in //ash/common to //ash, part 2

ash/common/wm/workspace_controller.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ash/common/wm/workspace_controller.h"
-
-#include <utility>
-
-#include "ash/common/shelf/wm_shelf.h"
-#include "ash/common/wm/dock/docked_window_layout_manager.h"
-#include "ash/common/wm/fullscreen_window_finder.h"
-#include "ash/common/wm/window_state.h"
-#include "ash/common/wm/wm_window_animations.h"
-#include "ash/common/wm/workspace/workspace_event_handler.h"
-#include "ash/common/wm/workspace/workspace_layout_manager.h"
-#include "ash/common/wm/workspace/workspace_layout_manager_backdrop_delegate.h"
-#include "ash/common/wm_shell.h"
-#include "ash/common/wm_window.h"
-#include "ash/public/cpp/shell_window_ids.h"
-#include "ash/root_window_controller.h"
-#include "base/memory/ptr_util.h"
-#include "ui/compositor/layer.h"
-#include "ui/compositor/scoped_layer_animation_settings.h"
-
-namespace ash {
-namespace {
-
-// Amount of time to pause before animating anything. Only used during initial
-// animation (when logging in).
-const int kInitialPauseTimeMS = 750;
-
-// The duration of the animation that occurs on first login.
-const int kInitialAnimationDurationMS = 200;
-
-}  // namespace
-
-WorkspaceController::WorkspaceController(WmWindow* viewport)
-    : viewport_(viewport),
-      event_handler_(WmShell::Get()->CreateWorkspaceEventHandler(viewport)),
-      layout_manager_(new WorkspaceLayoutManager(viewport)) {
-  viewport_->aura_window()->AddObserver(this);
-  viewport_->SetVisibilityAnimationTransition(::wm::ANIMATE_NONE);
-  viewport_->SetLayoutManager(base::WrapUnique(layout_manager_));
-}
-
-WorkspaceController::~WorkspaceController() {
-  if (!viewport_)
-    return;
-
-  viewport_->aura_window()->RemoveObserver(this);
-  viewport_->SetLayoutManager(nullptr);
-}
-
-wm::WorkspaceWindowState WorkspaceController::GetWindowState() const {
-  if (!viewport_ || !viewport_->GetRootWindowController()->HasShelf())
-    return wm::WORKSPACE_WINDOW_STATE_DEFAULT;
-
-  const WmWindow* fullscreen = wm::GetWindowForFullscreenMode(viewport_);
-  if (fullscreen && !fullscreen->GetWindowState()->ignored_by_shelf())
-    return wm::WORKSPACE_WINDOW_STATE_FULL_SCREEN;
-
-  // These are the container ids of containers which may contain windows that
-  // may overlap the launcher shelf and affect its transparency.
-  const int kWindowContainerIds[] = {
-      kShellWindowId_DefaultContainer, kShellWindowId_DockedContainer,
-  };
-  const gfx::Rect shelf_bounds(WmShelf::ForWindow(viewport_)->GetIdealBounds());
-  bool window_overlaps_launcher = false;
-  for (size_t i = 0; i < arraysize(kWindowContainerIds); i++) {
-    WmWindow* container = viewport_->GetRootWindow()->GetChildByShellWindowId(
-        kWindowContainerIds[i]);
-    for (WmWindow* window : container->GetChildren()) {
-      wm::WindowState* window_state = window->GetWindowState();
-      if (window_state->ignored_by_shelf() ||
-          (window->GetLayer() && !window->GetLayer()->GetTargetVisibility())) {
-        continue;
-      }
-      if (window_state->IsMaximized())
-        return wm::WORKSPACE_WINDOW_STATE_MAXIMIZED;
-      window_overlaps_launcher |= window->GetBounds().Intersects(shelf_bounds);
-    }
-  }
-
-  // Check if there are visible docked windows in the same display.
-  DockedWindowLayoutManager* dock = DockedWindowLayoutManager::Get(viewport_);
-  const bool docked_area_visible = dock && !dock->docked_bounds().IsEmpty();
-  return (window_overlaps_launcher || docked_area_visible)
-             ? wm::WORKSPACE_WINDOW_STATE_WINDOW_OVERLAPS_SHELF
-             : wm::WORKSPACE_WINDOW_STATE_DEFAULT;
-}
-
-void WorkspaceController::DoInitialAnimation() {
-  viewport_->Show();
-
-  ui::Layer* layer = viewport_->GetLayer();
-  layer->SetOpacity(0.0f);
-  SetTransformForScaleAnimation(layer, LAYER_SCALE_ANIMATION_ABOVE);
-
-  // In order for pause to work we need to stop animations.
-  layer->GetAnimator()->StopAnimating();
-
-  {
-    ui::ScopedLayerAnimationSettings settings(layer->GetAnimator());
-
-    settings.SetPreemptionStrategy(ui::LayerAnimator::ENQUEUE_NEW_ANIMATION);
-    layer->GetAnimator()->SchedulePauseForProperties(
-        base::TimeDelta::FromMilliseconds(kInitialPauseTimeMS),
-        ui::LayerAnimationElement::TRANSFORM |
-            ui::LayerAnimationElement::OPACITY |
-            ui::LayerAnimationElement::BRIGHTNESS |
-            ui::LayerAnimationElement::VISIBILITY);
-    settings.SetTweenType(gfx::Tween::EASE_OUT);
-    settings.SetTransitionDuration(
-        base::TimeDelta::FromMilliseconds(kInitialAnimationDurationMS));
-    layer->SetTransform(gfx::Transform());
-    layer->SetOpacity(1.0f);
-  }
-}
-
-void WorkspaceController::SetMaximizeBackdropDelegate(
-    std::unique_ptr<WorkspaceLayoutManagerBackdropDelegate> delegate) {
-  layout_manager_->SetMaximizeBackdropDelegate(std::move(delegate));
-}
-
-void WorkspaceController::OnWindowDestroying(aura::Window* window) {
-  DCHECK_EQ(WmWindow::Get(window), viewport_);
-  viewport_->aura_window()->RemoveObserver(this);
-  viewport_ = nullptr;
-  // Destroy |event_handler_| too as it depends upon |window|.
-  event_handler_.reset();
-  layout_manager_ = nullptr;
-}
-
-}  // namespace ash