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// 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 "components/ui_devtools/ui_element.h"
#include <algorithm>
#include "base/check_op.h"
#include "base/notreached.h"
#include "components/ui_devtools/Protocol.h"
#include "components/ui_devtools/ui_element_delegate.h"
namespace ui_devtools {
namespace {
static int node_ids = 0;
} // namespace
UIElement::ClassProperties::ClassProperties(
std::string class_name,
std::vector<UIElement::UIProperty> properties)
: class_name_(class_name), properties_(properties) {}
UIElement::ClassProperties::ClassProperties(
const UIElement::ClassProperties& other) = default;
UIElement::ClassProperties::~ClassProperties() = default;
UIElement::Source::Source(std::string path, int line)
: path_(path), line_(line) {}
// static
void UIElement::ResetNodeId() {
node_ids = 0;
}
UIElement::~UIElement() {
if (owns_children_) {
for (auto* child : children_)
delete child;
}
children_.clear();
}
std::string UIElement::GetTypeName() const {
switch (type_) {
case UIElementType::ROOT:
return "Root";
case UIElementType::WINDOW:
return "Window";
case UIElementType::WIDGET:
return "Widget";
case UIElementType::VIEW:
return "View";
case UIElementType::FRAMESINK:
return "FrameSink";
case UIElementType::SURFACE:
return "Surface";
}
NOTREACHED();
return std::string();
}
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::AddOrderedChild(UIElement* child,
ElementCompare compare,
bool notify_delegate) {
auto iter =
std::lower_bound(children_.begin(), children_.end(), child, compare);
children_.insert(iter, child);
if (notify_delegate)
delegate_->OnUIElementAdded(this, child);
}
void UIElement::ClearChildren() {
children_.clear();
}
void UIElement::RemoveChild(UIElement* child, bool notify_delegate) {
if (notify_delegate)
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 index) {
auto i = std::find(children_.begin(), children_.end(), child);
DCHECK(i != children_.end());
DCHECK_GE(index, 0);
DCHECK_LT(static_cast<size_t>(index), children_.size());
// If |child| is already at the desired position, there's nothing to do.
const auto pos = std::next(children_.begin(), index);
if (i == pos)
return;
// Rotate |child| to be at the desired position.
if (pos < i)
std::rotate(pos, i, std::next(i));
else
std::rotate(i, std::next(i), std::next(pos));
delegate()->OnUIElementReordered(child->parent(), child);
}
template <class T>
int UIElement::FindUIElementIdForBackendElement(T* element) const {
NOTREACHED();
return 0;
}
std::vector<UIElement::ClassProperties>
UIElement::GetCustomPropertiesForMatchedStyle() const {
return {};
}
UIElement::UIElement(const UIElementType type,
UIElementDelegate* delegate,
UIElement* parent)
: node_id_(++node_ids), type_(type), parent_(parent), delegate_(delegate) {
delegate_->OnUIElementAdded(nullptr, this);
}
bool UIElement::SetPropertiesFromString(const std::string& text) {
NOTREACHED();
return false;
}
void UIElement::AddSource(std::string path, int line) {
sources_.emplace_back(path, line);
}
std::vector<UIElement::Source> UIElement::GetSources() {
if (sources_.empty())
InitSources();
return sources_;
}
} // namespace ui_devtools
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