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1 // Copyright 2017 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/devtools/ui_element.h" | |
6 | |
7 #include <algorithm> | |
8 | |
9 #include "ash/devtools/ui_element_delegate.h" | |
10 #include "ash/devtools/view_element.h" | |
11 #include "ash/devtools/widget_element.h" | |
12 #include "ash/devtools/window_element.h" | |
13 | |
14 namespace ash { | |
15 namespace devtools { | |
16 namespace { | |
17 | |
18 static int node_ids = 0; | |
19 | |
20 } // namespace | |
21 | |
22 std::string UIElement::GetTypeName() const { | |
23 switch (type_) { | |
24 case UIElementType::WINDOW: | |
25 return "Window"; | |
26 case UIElementType::WIDGET: | |
27 return "Widget"; | |
28 case UIElementType::VIEW: | |
29 return "View"; | |
30 default: | |
sadrul
2017/05/10 03:03:38
Remove default:
thanhph
2017/05/10 17:21:49
Done.
| |
31 DCHECK(false); | |
32 } | |
33 } | |
34 | |
35 void UIElement::AddChild(UIElement* child, UIElement* before) { | |
36 if (child->type() == UIElementType::WINDOW && | |
37 delegate_->IsHighlightingWindow( | |
38 UIElement::GetBackingElement<aura::Window, WindowElement>(child))) { | |
39 child->Destroy(); | |
40 return; | |
41 } | |
42 if (before) { | |
43 auto iter = std::find(children_.begin(), children_.end(), before); | |
44 DCHECK(iter != children_.end()); | |
45 children_.insert(iter, child); | |
46 } else { | |
47 children_.push_back(child); | |
48 } | |
49 delegate_->OnUIElementAdded(this, child); | |
50 } | |
51 | |
52 bool UIElement::RemoveChild(UIElement* child) { | |
53 if (delegate()->OnUIElementRemoved(child)) { | |
sadrul
2017/05/10 03:03:38
You don't need to check the return value of OnUIEl
thanhph
2017/05/10 17:21:49
Done in a slightly different way. I can't access t
| |
54 auto iter = std::find(children_.begin(), children_.end(), child); | |
55 if (iter != children_.end()) | |
56 children_.erase(iter); | |
57 return true; | |
58 } | |
59 return false; | |
60 } | |
61 | |
62 void UIElement::ReorderChild(UIElement* child, int new_index) { | |
63 // Remove child out of |children|. | |
64 auto iter = std::find(children_.begin(), children_.end(), child); | |
65 if (iter != children_.end()) | |
66 children_.erase(iter); | |
67 | |
68 // Move child to new position |new_index| in vector |children_|. | |
69 new_index = std::min(children_.size() - 1, static_cast<size_t>(new_index)); | |
70 iter = children_.begin() + new_index; | |
71 children_.insert(iter, child); | |
72 delegate()->OnUIElementReordered(child->parent(), child); | |
73 } | |
74 | |
75 UIElement::UIElement(const UIElementType type, | |
76 UIElementDelegate* delegate, | |
77 UIElement* parent) | |
78 : node_id_(++node_ids), type_(type), parent_(parent), delegate_(delegate) { | |
79 delegate_->OnUIElementAdded(0, this); | |
80 } | |
81 | |
82 UIElement::~UIElement() { | |
83 for (auto* child : children_) { | |
84 if (child) | |
sadrul
2017/05/10 03:03:37
You should not need this null check.
thanhph
2017/05/10 17:21:49
Done.
| |
85 delete child; | |
86 } | |
87 children_.clear(); | |
88 } | |
89 | |
90 } // namespace devtools | |
91 } // namespace ash | |
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