| // Copyright 2017 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/devtools/ui_element.h" |
| |
| #include <algorithm> |
| |
| #include "ash/devtools/ui_element_delegate.h" |
| #include "ash/devtools/view_element.h" |
| #include "ash/devtools/widget_element.h" |
| #include "ash/devtools/window_element.h" |
| |
| namespace ash { |
| namespace devtools { |
| namespace { |
| |
| static int node_ids = 0; |
| |
| } // namespace |
| |
| UIElement::~UIElement() { |
| for (auto* child : children_) |
| delete child; |
| children_.clear(); |
| } |
| |
| std::string UIElement::GetTypeName() const { |
| switch (type_) { |
| case UIElementType::WINDOW: |
| return "Window"; |
| case UIElementType::WIDGET: |
| return "Widget"; |
| case UIElementType::VIEW: |
| return "View"; |
| } |
| } |
| |
| void UIElement::AddChild(UIElement* child, UIElement* before) { |
| if (before) { |
| auto iter = std::find(children_.begin(), children_.end(), before); |
| DCHECK(iter != children_.end()); |
| children_.insert(iter, child); |
| } else { |
| children_.push_back(child); |
| } |
| delegate_->OnUIElementAdded(this, child); |
| } |
| |
| void UIElement::RemoveChild(UIElement* child) { |
| delegate()->OnUIElementRemoved(child); |
| auto iter = std::find(children_.begin(), children_.end(), child); |
| DCHECK(iter != children_.end()); |
| children_.erase(iter); |
| } |
| |
| void UIElement::ReorderChild(UIElement* child, int new_index) { |
| // Remove |child| out of vector |children_|. |
| auto iter = std::find(children_.begin(), children_.end(), child); |
| DCHECK(iter != children_.end()); |
| children_.erase(iter); |
| |
| // Move child to new position |new_index| in vector |children_|. |
| new_index = std::min(children_.size() - 1, static_cast<size_t>(new_index)); |
| iter = children_.begin() + new_index; |
| children_.insert(iter, child); |
| delegate()->OnUIElementReordered(child->parent(), child); |
| } |
| |
| UIElement::UIElement(const UIElementType type, |
| UIElementDelegate* delegate, |
| UIElement* parent) |
| : node_id_(++node_ids), type_(type), parent_(parent), delegate_(delegate) { |
| delegate_->OnUIElementAdded(0, this); |
| } |
| |
| } // namespace devtools |
| } // namespace ash |