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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/view_element.h" |
| 6 |
| 7 #include "ash/devtools/ui_element_delegate.h" |
| 8 #include "ash/wm_window.h" |
| 9 #include "ui/views/widget/widget.h" |
| 10 |
| 11 namespace ash { |
| 12 |
| 13 namespace devtools { |
| 14 |
| 15 namespace { |
| 16 |
| 17 int FindSibling(views::View* view) { |
| 18 views::View* parent = view->parent(); |
| 19 int view_index = -1; |
| 20 for (int i = 0, count = parent->child_count(); i < count; i++) { |
| 21 if (view == parent->child_at(i)) { |
| 22 view_index = i; |
| 23 break; |
| 24 } |
| 25 } |
| 26 DCHECK_GE(view_index, 0); |
| 27 return view_index; |
| 28 } |
| 29 |
| 30 } // namespace |
| 31 |
| 32 ViewElement::ViewElement(views::View* view, |
| 33 UIElementDelegate* ui_element_delegate, |
| 34 UIElement* parent) |
| 35 : UIElement(UIElementType::VIEW, ui_element_delegate, parent), view_(view) { |
| 36 view_->AddObserver(this); |
| 37 } |
| 38 |
| 39 ViewElement::~ViewElement() { |
| 40 view_->RemoveObserver(this); |
| 41 } |
| 42 |
| 43 views::View* ViewElement::view() const { |
| 44 return view_; |
| 45 } |
| 46 |
| 47 void ViewElement::OnChildViewRemoved(views::View* parent, views::View* view) { |
| 48 DCHECK(parent == view_); |
| 49 for (auto* child_element : GetChildren()) { |
| 50 if (UIElement::GetBackingElement<views::View, ViewElement>(child_element) == |
| 51 view && |
| 52 delegate()->OnUIElementRemoved(child_element)) { |
| 53 RemoveChild(child_element); |
| 54 child_element->Destroy(); |
| 55 } |
| 56 } |
| 57 } |
| 58 |
| 59 void ViewElement::OnChildViewAdded(views::View* parent, views::View* view) { |
| 60 DCHECK(parent == view_); |
| 61 delegate()->OnUIElementAdded( |
| 62 this, new ViewElement(view, delegate(), this), |
| 63 GetChildren().empty() ? nullptr : GetChildren().back()); |
| 64 } |
| 65 |
| 66 void ViewElement::OnChildViewReordered(views::View* parent, views::View* view) { |
| 67 DCHECK(view == view_); |
| 68 GetParent()->RemoveChild(this); |
| 69 UIElement* prev_sibling = GetParent()->ReorderChild(this, FindSibling(view)); |
| 70 delegate()->OnUIElementReordered(GetParent(), this, prev_sibling); |
| 71 } |
| 72 |
| 73 void ViewElement::OnViewBoundsChanged(views::View* view) { |
| 74 DCHECK(view_ == view); |
| 75 delegate()->OnUIElementBoundsChanged(this); |
| 76 } |
| 77 |
| 78 void ViewElement::Destroy() { |
| 79 delete this; |
| 80 } |
| 81 |
| 82 void ViewElement::GetBounds(gfx::Rect* bounds) const { |
| 83 *bounds = view_->bounds(); |
| 84 } |
| 85 |
| 86 void ViewElement::SetBounds(const gfx::Rect& bounds) { |
| 87 view_->SetBoundsRect(bounds); |
| 88 } |
| 89 |
| 90 void ViewElement::GetVisible(bool* visible) const { |
| 91 *visible = view_->visible(); |
| 92 } |
| 93 |
| 94 void ViewElement::SetVisible(bool visible) { |
| 95 if (visible != view_->visible()) |
| 96 view_->SetVisible(visible); |
| 97 } |
| 98 |
| 99 std::pair<aura::Window*, gfx::Rect> ViewElement::GetNodeWindowAndBounds() |
| 100 const { |
| 101 return std::make_pair(view_->GetWidget()->GetNativeWindow(), view_->bounds()); |
| 102 } |
| 103 |
| 104 // static |
| 105 views::View* ViewElement::From(UIElement* element) { |
| 106 DCHECK_EQ(UIElementType::VIEW, element->GetType()); |
| 107 return static_cast<ViewElement*>(element)->view_; |
| 108 } |
| 109 |
| 110 } // namespace devtools |
| 111 } // namespace ash |
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