| // Copyright 2016 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/shell_port.h" |
| |
| #include <utility> |
| |
| #include "ash/public/cpp/shell_window_ids.h" |
| #include "ash/root_window_controller.h" |
| #include "ash/session/session_controller.h" |
| #include "ash/shell.h" |
| #include "ash/wm/root_window_finder.h" |
| #include "base/bind.h" |
| #include "base/logging.h" |
| #include "ui/aura/client/aura_constants.h" |
| #include "ui/aura/window.h" |
| |
| namespace ash { |
| |
| // static |
| ShellPort* ShellPort::instance_ = nullptr; |
| |
| ShellPort::~ShellPort() { |
| DCHECK_EQ(this, instance_); |
| instance_ = nullptr; |
| } |
| |
| // static |
| ShellPort* ShellPort::Get() { |
| return instance_; |
| } |
| |
| void ShellPort::Shutdown() {} |
| |
| void ShellPort::ShowContextMenu(const gfx::Point& location_in_screen, |
| ui::MenuSourceType source_type) { |
| // Bail with no active user session, in the lock screen, or in app/kiosk mode. |
| if (Shell::Get()->session_controller()->NumberOfLoggedInUsers() < 1 || |
| Shell::Get()->session_controller()->IsScreenLocked() || |
| Shell::Get()->session_controller()->IsRunningInAppMode()) { |
| return; |
| } |
| |
| aura::Window* root = wm::GetRootWindowAt(location_in_screen); |
| RootWindowController::ForWindow(root)->ShowContextMenu(location_in_screen, |
| source_type); |
| } |
| |
| void ShellPort::OnLockStateEvent(LockStateObserver::EventType event) { |
| for (auto& observer : lock_state_observers_) |
| observer.OnLockStateEvent(event); |
| } |
| |
| void ShellPort::AddLockStateObserver(LockStateObserver* observer) { |
| lock_state_observers_.AddObserver(observer); |
| } |
| |
| void ShellPort::RemoveLockStateObserver(LockStateObserver* observer) { |
| lock_state_observers_.RemoveObserver(observer); |
| } |
| |
| ShellPort::ShellPort() { |
| DCHECK(!instance_); |
| instance_ = this; |
| } |
| |
| int ShellPort::GetOpenSystemModalWindowContainerId() { |
| if (simulate_modal_window_open_for_testing_) |
| return kShellWindowId_SystemModalContainer; |
| |
| // Traverse all system modal containers, and find its direct child window |
| // with "SystemModal" setting, and visible. |
| // Note: LockSystemModalContainer is more restrictive, so make it preferable |
| // to SystemModalCotainer. |
| constexpr int modal_window_ids[] = {kShellWindowId_LockSystemModalContainer, |
| kShellWindowId_SystemModalContainer}; |
| for (aura::Window* root : Shell::GetAllRootWindows()) { |
| for (int modal_window_id : modal_window_ids) { |
| aura::Window* system_modal = root->GetChildById(modal_window_id); |
| if (!system_modal) |
| continue; |
| for (const aura::Window* child : system_modal->children()) { |
| if (child->GetProperty(aura::client::kModalKey) == |
| ui::MODAL_TYPE_SYSTEM && |
| child->layer()->GetTargetVisibility()) { |
| return modal_window_id; |
| } |
| } |
| } |
| } |
| return -1; |
| } |
| |
| bool ShellPort::IsSystemModalWindowOpen() { |
| return GetOpenSystemModalWindowContainerId() >= 0; |
| } |
| |
| } // namespace ash |