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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/ui_devtools/views/window_element.h"
#include <algorithm>
#include "base/strings/string_number_conversions.h"
#include "base/strings/to_string.h"
#include "components/ui_devtools/protocol.h"
#include "components/ui_devtools/ui_element_delegate.h"
#include "components/ui_devtools/views/devtools_event_util.h"
#include "components/ui_devtools/views/element_utility.h"
#include "components/viz/common/surfaces/surface_id.h"
#include "ui/aura/window.h"
#include "ui/aura/window_tree_host.h"
#include "ui/aura/window_tree_host_platform.h"
#include "ui/base/ime/input_method.h"
#include "ui/base/ime/text_input_client.h"
#include "ui/wm/core/window_util.h"
namespace ui_devtools {
namespace {
int GetIndexOfChildInParent(aura::Window* window) {
const aura::Window::Windows& siblings = window->parent()->children();
auto it = std::ranges::find(siblings, window);
CHECK(it != siblings.end());
return std::distance(siblings.begin(), it);
}
} // namespace
WindowElement::WindowElement(aura::Window* window,
UIElementDelegate* ui_element_delegate,
UIElement* parent)
: UIElementWithMetaData(UIElementType::WINDOW, ui_element_delegate, parent),
window_(window) {
if (window)
window_->AddObserver(this);
}
WindowElement::~WindowElement() {
if (window_)
window_->RemoveObserver(this);
}
// Handles removing window_.
void WindowElement::OnWindowHierarchyChanging(
const aura::WindowObserver::HierarchyChangeParams& params) {
if (params.target == window_.get()) {
parent()->RemoveChild(this);
delete this;
}
}
// Handles adding window_.
void WindowElement::OnWindowHierarchyChanged(
const aura::WindowObserver::HierarchyChangeParams& params) {
if (window_.get() == params.new_parent &&
params.receiver == params.new_parent) {
AddChild(new WindowElement(params.target, delegate(), this));
}
}
void WindowElement::OnWindowStackingChanged(aura::Window* window) {
DCHECK_EQ(window_, window);
parent()->ReorderChild(this, GetIndexOfChildInParent(window));
}
void WindowElement::OnWindowBoundsChanged(aura::Window* window,
const gfx::Rect& old_bounds,
const gfx::Rect& new_bounds,
ui::PropertyChangeReason reason) {
DCHECK_EQ(window_, window);
delegate()->OnUIElementBoundsChanged(this);
}
// TODO (kylixrd@): Still need to add support for the following property.
//
// cur_properties.emplace_back(
// "is-activatable", wm::CanActivateWindow(window_) ? "true" : "false");
void WindowElement::GetBounds(gfx::Rect* bounds) const {
*bounds = window_->bounds();
}
void WindowElement::SetBounds(const gfx::Rect& bounds) {
window_->SetBounds(bounds);
}
void WindowElement::GetVisible(bool* visible) const {
*visible = window_->IsVisible();
}
void WindowElement::SetVisible(bool visible) {
if (visible)
window_->Show();
else
window_->Hide();
}
std::vector<std::string> WindowElement::GetAttributes() const {
return {"name", window_->GetName(), "active",
base::ToString(::wm::IsActiveWindow(window_))};
}
std::pair<gfx::NativeWindow, gfx::Rect>
WindowElement::GetNodeWindowAndScreenBounds() const {
return std::make_pair(static_cast<aura::Window*>(window_),
window_->GetBoundsInScreen());
}
// static
aura::Window* WindowElement::From(const UIElement* element) {
DCHECK_EQ(UIElementType::WINDOW, element->type());
return static_cast<const WindowElement*>(element)->window_;
}
template <>
int UIElement::FindUIElementIdForBackendElement<aura::Window>(
aura::Window* element) const {
if (type_ == UIElementType::WINDOW &&
UIElement::GetBackingElement<aura::Window, WindowElement>(this) ==
element) {
return node_id_;
}
for (ui_devtools::UIElement* child : children_) {
int ui_element_id = child->FindUIElementIdForBackendElement(element);
if (ui_element_id)
return ui_element_id;
}
return 0;
}
void WindowElement::InitSources() {
if (window_->layer()) {
AddSource("ui/compositor/layer.h", 0);
}
AddSource("ui/aura/window.h", 0);
}
bool WindowElement::DispatchKeyEvent(protocol::DOM::KeyEvent* event) {
ui::KeyEvent key_event = ConvertToUIKeyEvent(event);
// Key events are processed differently based on classes. Character events are
// routed to the text input client while key stroke events are propragated
// through the normal event flow. The IME flow is bypassed.
if (key_event.is_char()) {
ui::InputMethod* input_method = window_->GetHost()->GetInputMethod();
DCHECK(input_method);
if (input_method->GetTextInputClient()) {
input_method->GetTextInputClient()->InsertChar(key_event);
} else {
return false;
}
} else {
window_->GetHost()->DispatchKeyEventPostIME(&key_event);
}
return true;
}
ui::metadata::ClassMetaData* WindowElement::GetClassMetaData() const {
return window_->GetClassMetaData();
}
void* WindowElement::GetClassInstance() const {
return window_;
}
ui::Layer* WindowElement::GetLayer() const {
return window_->layer();
}
} // namespace ui_devtools
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