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Issue 2732813002: chromeos: Move files in //ash/common to //ash, part 1 (Closed)
Patch Set: rebase Created 3 years, 9 months ago
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1 // Copyright (c) 2012 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/system/status_area_layout_manager.h"
6
7 #include "ash/common/shelf/shelf_layout_manager.h"
8 #include "ash/common/shelf/shelf_widget.h"
9 #include "ash/common/system/status_area_widget.h"
10 #include "ash/common/wm_window.h"
11 #include "base/auto_reset.h"
12
13 namespace ash {
14
15 ////////////////////////////////////////////////////////////////////////////////
16 // StatusAreaLayoutManager, public:
17
18 StatusAreaLayoutManager::StatusAreaLayoutManager(ShelfWidget* shelf_widget)
19 : in_layout_(false), shelf_widget_(shelf_widget) {}
20
21 StatusAreaLayoutManager::~StatusAreaLayoutManager() {}
22
23 ////////////////////////////////////////////////////////////////////////////////
24 // StatusAreaLayoutManager, aura::LayoutManager implementation:
25
26 void StatusAreaLayoutManager::OnWindowResized() {
27 LayoutStatusArea();
28 }
29
30 void StatusAreaLayoutManager::SetChildBounds(
31 WmWindow* child,
32 const gfx::Rect& requested_bounds) {
33 // Only need to have the shelf do a layout if the child changing is the status
34 // area and the shelf isn't in the process of doing a layout.
35 if (child != WmWindow::Get(
36 shelf_widget_->status_area_widget()->GetNativeWindow()) ||
37 in_layout_) {
38 wm::WmSnapToPixelLayoutManager::SetChildBounds(child, requested_bounds);
39 return;
40 }
41
42 // If the bounds match, no need to do anything. Check for target bounds to
43 // ensure any active animation is retargeted.
44 if (requested_bounds == child->GetTargetBounds())
45 return;
46
47 wm::WmSnapToPixelLayoutManager::SetChildBounds(child, requested_bounds);
48 LayoutStatusArea();
49 }
50
51 ////////////////////////////////////////////////////////////////////////////////
52 // StatusAreaLayoutManager, private:
53
54 void StatusAreaLayoutManager::LayoutStatusArea() {
55 // Shelf layout manager may be already doing layout.
56 if (shelf_widget_->shelf_layout_manager()->updating_bounds())
57 return;
58
59 base::AutoReset<bool> auto_reset_in_layout(&in_layout_, true);
60 shelf_widget_->shelf_layout_manager()->LayoutShelf();
61 }
62
63 } // namespace ash
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