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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/wm/core/transient_window_controller.h"
#include "base/memory/raw_ptr.h"
#include "base/observer_list.h"
#include "ui/aura/client/transient_window_client_observer.h"
#include "ui/wm/core/transient_window_manager.h"
namespace wm {
// static
TransientWindowController* TransientWindowController::instance_ = nullptr;
TransientWindowController::TransientWindowController() {
DCHECK(!instance_);
instance_ = this;
}
TransientWindowController::~TransientWindowController() {
DCHECK_EQ(instance_, this);
instance_ = nullptr;
}
void TransientWindowController::AddTransientChild(aura::Window* parent,
aura::Window* child) {
TransientWindowManager::GetOrCreate(parent)->AddTransientChild(child);
}
void TransientWindowController::RemoveTransientChild(aura::Window* parent,
aura::Window* child) {
TransientWindowManager::GetOrCreate(parent)->RemoveTransientChild(child);
}
aura::Window* TransientWindowController::GetTransientParent(
aura::Window* window) {
return const_cast<aura::Window*>(GetTransientParent(
const_cast<const aura::Window*>(window)));
}
const aura::Window* TransientWindowController::GetTransientParent(
const aura::Window* window) {
const TransientWindowManager* window_manager =
TransientWindowManager::GetIfExists(window);
return window_manager ? window_manager->transient_parent() : nullptr;
}
std::vector<raw_ptr<aura::Window, VectorExperimental>>
TransientWindowController::GetTransientChildren(const aura::Window* parent) {
const TransientWindowManager* window_manager =
TransientWindowManager::GetIfExists(parent);
if (!window_manager)
return {};
return window_manager->transient_children();
}
void TransientWindowController::AddObserver(
aura::client::TransientWindowClientObserver* observer) {
observers_.AddObserver(observer);
}
void TransientWindowController::RemoveObserver(
aura::client::TransientWindowClientObserver* observer) {
observers_.RemoveObserver(observer);
}
} // namespace wm
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