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Unified Diff: ash/common/wm/maximize_mode/workspace_backdrop_delegate.cc

Issue 2736573002: chromeos: Move files in //ash/common to //ash, part 2 (Closed)
Patch Set: Created 3 years, 9 months ago
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Index: ash/common/wm/maximize_mode/workspace_backdrop_delegate.cc
diff --git a/ash/common/wm/maximize_mode/workspace_backdrop_delegate.cc b/ash/common/wm/maximize_mode/workspace_backdrop_delegate.cc
deleted file mode 100644
index 51113c24500eb035a3f8129279c1dc8184932a86..0000000000000000000000000000000000000000
--- a/ash/common/wm/maximize_mode/workspace_backdrop_delegate.cc
+++ /dev/null
@@ -1,177 +0,0 @@
-// Copyright 2014 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/maximize_mode/workspace_backdrop_delegate.h"
-
-#include "ash/common/wm/workspace/workspace_layout_manager_backdrop_delegate.h"
-#include "ash/common/wm_window.h"
-#include "ash/public/cpp/shell_window_ids.h"
-#include "ash/root_window_controller.h"
-#include "base/auto_reset.h"
-#include "ui/aura/window_observer.h"
-#include "ui/compositor/layer.h"
-#include "ui/compositor/scoped_layer_animation_settings.h"
-#include "ui/views/background.h"
-#include "ui/views/widget/widget.h"
-#include "ui/wm/core/window_animations.h"
-#include "ui/wm/core/window_util.h"
-
-namespace ash {
-namespace {
-
-// The opacity of the backdrop.
-const float kBackdropOpacity = 0.5f;
-
-} // namespace
-
-class WorkspaceBackdropDelegate::WindowObserverImpl
- : public aura::WindowObserver {
- public:
- explicit WindowObserverImpl(WorkspaceBackdropDelegate* delegate)
- : delegate_(delegate) {}
- ~WindowObserverImpl() override {}
-
- private:
- // aura::WindowObserver overrides:
- void OnWindowBoundsChanged(aura::Window* window,
- const gfx::Rect& old_bounds,
- const gfx::Rect& new_bounds) override {
- // The container size has changed and the layer needs to be adapt to it.
- delegate_->AdjustToContainerBounds();
- }
-
- WorkspaceBackdropDelegate* delegate_;
-
- DISALLOW_COPY_AND_ASSIGN(WindowObserverImpl);
-};
-
-WorkspaceBackdropDelegate::WorkspaceBackdropDelegate(WmWindow* container)
- : container_observer_(new WindowObserverImpl(this)),
- container_(container),
- in_restacking_(false) {
- background_ = new views::Widget;
- views::Widget::InitParams params(
- views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
- params.bounds = container_->GetBoundsInScreen();
- params.layer_type = ui::LAYER_SOLID_COLOR;
- params.name = "WorkspaceBackdropDelegate";
- // To disallow the MRU list from picking this window up it should not be
- // activateable.
- params.activatable = views::Widget::InitParams::ACTIVATABLE_NO;
- DCHECK_NE(kShellWindowId_Invalid, container_->GetShellWindowId());
- container_->GetRootWindowController()->ConfigureWidgetInitParamsForContainer(
- background_, container_->GetShellWindowId(), &params);
- background_->Init(params);
- background_window_ = WmWindow::Get(background_->GetNativeWindow());
- // Do not use the animation system. We don't want the bounds animation and
- // opacity needs to get set to |kBackdropOpacity|.
- background_window_->SetVisibilityAnimationTransition(::wm::ANIMATE_NONE);
- background_window_->GetLayer()->SetColor(SK_ColorBLACK);
- // Make sure that the layer covers visibly everything - including the shelf.
- background_window_->GetLayer()->SetBounds(params.bounds);
- DCHECK(background_window_->GetBounds() == params.bounds);
- Show();
- RestackBackdrop();
- container_->aura_window()->AddObserver(container_observer_.get());
-}
-
-WorkspaceBackdropDelegate::~WorkspaceBackdropDelegate() {
- container_->aura_window()->RemoveObserver(container_observer_.get());
- // TODO: animations won't work right with mus: http://crbug.com/548396.
- ::wm::ScopedHidingAnimationSettings hiding_settings(
- background_->GetNativeView());
- background_->Close();
- background_window_->GetLayer()->SetOpacity(0.0f);
-}
-
-void WorkspaceBackdropDelegate::OnWindowAddedToLayout(WmWindow* child) {
- RestackBackdrop();
-}
-
-void WorkspaceBackdropDelegate::OnWindowRemovedFromLayout(WmWindow* child) {
- RestackBackdrop();
-}
-
-void WorkspaceBackdropDelegate::OnChildWindowVisibilityChanged(WmWindow* child,
- bool visible) {
- RestackBackdrop();
-}
-
-void WorkspaceBackdropDelegate::OnWindowStackingChanged(WmWindow* window) {
- RestackBackdrop();
-}
-
-void WorkspaceBackdropDelegate::OnPostWindowStateTypeChange(
- wm::WindowState* window_state,
- wm::WindowStateType old_type) {
- RestackBackdrop();
-}
-
-void WorkspaceBackdropDelegate::OnDisplayWorkAreaInsetsChanged() {
- AdjustToContainerBounds();
-}
-
-void WorkspaceBackdropDelegate::RestackBackdrop() {
- // Avoid recursive calls.
- if (in_restacking_)
- return;
-
- WmWindow* window = GetCurrentTopWindow();
- if (!window) {
- // Hide backdrop since no suitable window was found.
- background_->Hide();
- return;
- }
- if (window == background_window_ && background_->IsVisible())
- return;
- if (window->GetRootWindow() != background_window_->GetRootWindow())
- return;
- // We are changing the order of windows which will cause recursion.
- base::AutoReset<bool> lock(&in_restacking_, true);
- if (!background_->IsVisible())
- Show();
- // Since the backdrop needs to be immediately behind the window and the
- // stacking functions only guarantee a "it's above or below", we need
- // to re-arrange the two windows twice.
- container_->StackChildAbove(background_window_, window);
- container_->StackChildAbove(window, background_window_);
-}
-
-WmWindow* WorkspaceBackdropDelegate::GetCurrentTopWindow() {
- const WmWindow::Windows windows = container_->GetChildren();
- for (auto window_iter = windows.rbegin(); window_iter != windows.rend();
- ++window_iter) {
- WmWindow* window = *window_iter;
- if (window->GetTargetVisibility() &&
- window->GetType() == ui::wm::WINDOW_TYPE_NORMAL &&
- window->CanActivate())
- return window;
- }
- return nullptr;
-}
-
-void WorkspaceBackdropDelegate::AdjustToContainerBounds() {
- // Cover the entire container window.
- gfx::Rect target_rect(gfx::Point(0, 0), container_->GetBounds().size());
- if (target_rect != background_window_->GetBounds()) {
- // TODO: this won't work right with mus: http://crbug.com/548396.
- // This needs to be instant.
- ui::ScopedLayerAnimationSettings settings(
- background_window_->GetLayer()->GetAnimator());
- settings.SetTransitionDuration(base::TimeDelta::FromMilliseconds(0));
- background_window_->SetBounds(target_rect);
- if (!background_->IsVisible())
- background_window_->GetLayer()->SetOpacity(kBackdropOpacity);
- }
-}
-
-void WorkspaceBackdropDelegate::Show() {
- background_window_->GetLayer()->SetOpacity(0.0f);
- background_->Show();
- ui::ScopedLayerAnimationSettings settings(
- background_window_->GetLayer()->GetAnimator());
- background_window_->GetLayer()->SetOpacity(kBackdropOpacity);
-}
-
-} // namespace ash
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