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// 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/wm/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"
#include "ui/views/widget/widget.h"
namespace ash {
////////////////////////////////////////////////////////////////////////////////
// StatusAreaLayoutManager, public:
StatusAreaLayoutManager::StatusAreaLayoutManager(aura::Window* container,
ShelfWidget* shelf)
: SnapToPixelLayoutManager(container), in_layout_(false), shelf_(shelf) {
}
StatusAreaLayoutManager::~StatusAreaLayoutManager() {
}
////////////////////////////////////////////////////////////////////////////////
// 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_->status_area_widget()->GetNativeView() || in_layout_) {
SnapToPixelLayoutManager::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;
SnapToPixelLayoutManager::SetChildBounds(child, requested_bounds);
LayoutStatusArea();
}
////////////////////////////////////////////////////////////////////////////////
// StatusAreaLayoutManager, private:
void StatusAreaLayoutManager::LayoutStatusArea() {
// Shelf layout manager may be already doing layout.
if (shelf_->shelf_layout_manager()->updating_bounds())
return;
base::AutoReset<bool> auto_reset_in_layout(&in_layout_, true);
shelf_->shelf_layout_manager()->LayoutShelf();
}
} // namespace ash
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