| // 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/system/status_area_layout_manager.h" |
| |
| #include "ash/shelf/shelf_layout_manager.h" |
| #include "ash/shelf/shelf_widget.h" |
| #include "ash/system/status_area_widget.h" |
| #include "base/auto_reset.h" |
| #include "ui/aura/window.h" |
| |
| namespace ash { |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // StatusAreaLayoutManager, public: |
| |
| StatusAreaLayoutManager::StatusAreaLayoutManager(ShelfWidget* shelf_widget) |
| : in_layout_(false), shelf_widget_(shelf_widget) {} |
| |
| StatusAreaLayoutManager::~StatusAreaLayoutManager() = default; |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // StatusAreaLayoutManager, aura::LayoutManager implementation: |
| |
| void StatusAreaLayoutManager::OnWindowResized() { |
| LayoutStatusArea(); |
| } |
| |
| void StatusAreaLayoutManager::SetChildBounds( |
| aura::Window* child, |
| const gfx::Rect& requested_bounds) { |
| // Only need to have the shelf do a layout if the child changing is the status |
| // area and the shelf isn't in the process of doing a layout. |
| if (child != shelf_widget_->status_area_widget()->GetNativeWindow() || |
| in_layout_) { |
| wm::WmSnapToPixelLayoutManager::SetChildBounds(child, requested_bounds); |
| return; |
| } |
| |
| // If the bounds match, no need to do anything. Check for target bounds to |
| // ensure any active animation is retargeted. |
| if (requested_bounds == child->GetTargetBounds()) |
| return; |
| |
| wm::WmSnapToPixelLayoutManager::SetChildBounds(child, requested_bounds); |
| LayoutStatusArea(); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // StatusAreaLayoutManager, private: |
| |
| void StatusAreaLayoutManager::LayoutStatusArea() { |
| // Shelf layout manager may be already doing layout. |
| if (shelf_widget_->shelf_layout_manager()->updating_bounds()) |
| return; |
| |
| base::AutoReset<bool> auto_reset_in_layout(&in_layout_, true); |
| shelf_widget_->shelf_layout_manager()->LayoutShelf(); |
| } |
| |
| } // namespace ash |