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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/overlay_agent_aura.h"
#include "components/ui_devtools/dom_agent.h"
#include "components/ui_devtools/views/window_element.h"
#include "ui/aura/env.h"
#include "ui/views/view.h"
#include "ui/views/widget/widget.h"
#include "ui/wm/core/window_util.h"
namespace ui_devtools {
OverlayAgentAura* OverlayAgentAura::overlay_agent_aura_ = nullptr;
OverlayAgentAura::OverlayAgentAura(DOMAgent* dom_agent)
: OverlayAgentViews(dom_agent) {
DCHECK(!overlay_agent_aura_);
overlay_agent_aura_ = this;
}
OverlayAgentAura::~OverlayAgentAura() {
RemovePreTargetHandler();
overlay_agent_aura_ = nullptr;
}
void OverlayAgentAura::InstallPreTargetHandler() {
aura::Env::GetInstance()->AddPreTargetHandler(
this, ui::EventTarget::Priority::kSystem);
}
void OverlayAgentAura::RemovePreTargetHandler() {
aura::Env::GetInstance()->RemovePreTargetHandler(this);
}
int OverlayAgentAura::FindElementIdTargetedByPoint(
ui::LocatedEvent* event) const {
gfx::Point p = event->root_location();
aura::Window* target = static_cast<aura::Window*>(event->target());
gfx::NativeWindow root_window = target->GetRootWindow();
gfx::NativeWindow targeted_window = root_window->GetEventHandlerForPoint(p);
if (!targeted_window)
return 0;
views::Widget* targeted_widget =
views::Widget::GetWidgetForNativeWindow(targeted_window);
if (!targeted_widget) {
return dom_agent()
->element_root()
->FindUIElementIdForBackendElement<aura::Window>(targeted_window);
}
views::View* root_view = targeted_widget->GetRootView();
DCHECK(root_view);
gfx::Point point_in_targeted_window(p);
aura::Window::ConvertPointToTarget(root_window, targeted_window,
&point_in_targeted_window);
views::View* targeted_view =
root_view->GetEventHandlerForPoint(point_in_targeted_window);
DCHECK(targeted_view);
return dom_agent()
->element_root()
->FindUIElementIdForBackendElement<views::View>(targeted_view);
}
// static
std::unique_ptr<OverlayAgentViews> OverlayAgentViews::Create(
DOMAgent* dom_agent) {
return std::make_unique<OverlayAgentAura>(dom_agent);
}
} // namespace ui_devtools
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