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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/app_restore/arc_ghost_window_handler.h"
#include "chrome/browser/ash/app_list/arc/arc_app_utils.h"
#include "chrome/browser/ash/app_restore/arc_ghost_window_shell_surface.h"
#include "chrome/browser/ash/app_restore/arc_window_utils.h"
#include "chrome/browser/ash/arc/window_predictor/window_predictor_utils.h"
#include "chromeos/ui/base/window_state_type.h"
#include "components/app_restore/app_restore_data.h"
#include "components/app_restore/full_restore_utils.h"
#include "components/app_restore/window_properties.h"
#include "components/exo/shell_surface_util.h"
#include "components/exo/wm_helper.h"
#include "ui/views/window/caption_button_layout_constants.h"
namespace ash::full_restore {
namespace {
ArcGhostWindowHandler* g_instance = nullptr;
} // namespace
void ArcGhostWindowHandler::WindowSessionResolver::PopulateProperties(
const Params& params,
ui::PropertyHandler& out_properties_container) {
if (params.window_session_id <= 0)
return;
auto* handler = ArcGhostWindowHandler::Get();
if (!handler) {
// TODO(b/291693166): Remove this null check after change the lifecycle of
// the handler.
LOG(ERROR) << "ArcGhostWindowHandler haven't been initialized.";
return;
}
auto it =
handler->session_id_to_shell_surface_.find(params.window_session_id);
if (it != handler->session_id_to_shell_surface_.end()) {
// Reuse the ghost window instance for real ARC app window.
if (it->second->HasOverlay())
it->second->RemoveOverlay();
views::Widget* widget = it->second->GetWidget();
if (widget && widget->GetNativeWindow()) {
widget->GetNativeWindow()->SetProperty(app_restore::kRealArcTaskWindow,
true);
}
SetShellClientControlledShellSurface(&out_properties_container,
it->second.release());
handler->session_id_to_shell_surface_.erase(it);
handler->ghost_window_pop_count_++;
} else {
// ARC ghost window instance.
out_properties_container.SetProperty(app_restore::kRealArcTaskWindow,
false);
}
}
ArcGhostWindowHandler::ArcGhostWindowHandler() {
DCHECK_EQ(nullptr, g_instance);
exo::WMHelper::GetInstance()->RegisterAppPropertyResolver(
std::make_unique<WindowSessionResolver>());
auto* lifetime_manager = exo::WMHelper::GetInstance()->GetLifetimeManager();
if (lifetime_manager)
lifetime_manager->AddObserver(this);
g_instance = this;
}
ArcGhostWindowHandler::~ArcGhostWindowHandler() {
DCHECK_EQ(this, g_instance);
if (exo::WMHelper::HasInstance()) {
auto* lifetime_manager = exo::WMHelper::GetInstance()->GetLifetimeManager();
if (lifetime_manager)
lifetime_manager->RemoveObserver(this);
}
for (auto& observer : observer_list_) {
observer.OnGhostWindowHandlerDestroy();
}
g_instance = nullptr;
}
// static
ArcGhostWindowHandler* ArcGhostWindowHandler::Get() {
return g_instance;
}
void ArcGhostWindowHandler::OnDestroyed() {
// Destroy all ARC ghost window when Wayland server shutdown.
std::vector<int> session_ids;
for (const auto& session_id : session_id_to_shell_surface_)
session_ids.push_back(session_id.first);
for (auto session_id : session_ids)
CloseWindow(session_id);
session_id_to_pending_window_info_.clear();
auto* lifetime_manager = exo::WMHelper::GetInstance()->GetLifetimeManager();
lifetime_manager->RemoveObserver(this);
}
bool ArcGhostWindowHandler::LaunchArcGhostWindow(
const std::string& app_id,
int32_t session_id,
app_restore::AppRestoreData* restore_data) {
DCHECK(restore_data);
DCHECK(restore_data->display_id.has_value());
const app_restore::WindowInfo& window_info = restore_data->window_info;
CHECK(window_info.current_bounds.has_value());
gfx::Rect adjust_bounds = window_info.current_bounds.value_or(gfx::Rect());
// Replace the screen bounds by root bounds if there is.
if (window_info.arc_extra_info &&
window_info.arc_extra_info->bounds_in_root) {
adjust_bounds = *window_info.arc_extra_info->bounds_in_root;
}
if (window_info.window_state_type &&
chromeos::IsNormalWindowStateType(*window_info.window_state_type)) {
adjust_bounds.Inset(gfx::Insets().set_top(
views::GetCaptionButtonLayoutSize(
views::CaptionButtonLayoutSize::kNonBrowserCaption)
.height()));
}
auto shell_surface = ArcGhostWindowShellSurface::Create(
app_id, ::arc::GhostWindowType::kFullRestore, session_id, adjust_bounds,
restore_data,
base::BindRepeating(&ArcGhostWindowHandler::CloseWindow,
weak_ptr_factory_.GetWeakPtr(), session_id));
if (!shell_surface)
return false;
session_id_to_shell_surface_.emplace(session_id, std::move(shell_surface));
return true;
}
bool ArcGhostWindowHandler::UpdateArcGhostWindowType(
int32_t session_id,
arc::GhostWindowType window_type) {
auto it = session_id_to_shell_surface_.find(session_id);
if (it == session_id_to_shell_surface_.end())
return false;
auto* shell_surface =
static_cast<ArcGhostWindowShellSurface*>(it->second.get());
shell_surface->SetWindowType(window_type);
return true;
}
void ArcGhostWindowHandler::CloseWindow(int session_id) {
auto it = session_id_to_shell_surface_.find(session_id);
if (it == session_id_to_shell_surface_.end())
return;
for (auto& observer : observer_list_)
observer.OnWindowCloseRequested(session_id);
session_id_to_shell_surface_.erase(it);
}
void ArcGhostWindowHandler::AddObserver(Observer* observer) {
observer_list_.AddObserver(observer);
}
void ArcGhostWindowHandler::RemoveObserver(Observer* observer) {
observer_list_.RemoveObserver(observer);
}
bool ArcGhostWindowHandler::HasObserver(Observer* observer) {
return observer_list_.HasObserver(observer);
}
void ArcGhostWindowHandler::OnAppInstanceConnected() {
is_app_instance_connected_ = true;
// Send all pending window info updates to ARC.
for (auto& window_info_pr : session_id_to_pending_window_info_) {
::arc::UpdateWindowInfo(std::move(window_info_pr.second));
}
session_id_to_pending_window_info_.clear();
for (auto& observer : observer_list_)
observer.OnAppInstanceConnected();
}
void ArcGhostWindowHandler::OnAppStatesUpdate(std::string app_id,
bool ready,
bool need_fixup) {
for (auto& observer : observer_list_)
observer.OnAppStatesUpdate(app_id, ready, need_fixup);
}
void ArcGhostWindowHandler::OnWindowInfoUpdated(int window_id,
int state,
int64_t display_id,
gfx::Rect bounds) {
auto window_info = ::arc::mojom::WindowInfo::New();
window_info->window_id = window_id;
window_info->display_id = display_id;
window_info->state = state;
// Do not override bounds in window info if the window state type is not
// specified when ghost window launched.
if (window_info->state !=
static_cast<int32_t>(chromeos::WindowStateType::kDefault)) {
window_info->bounds = gfx::Rect(bounds);
}
session_id_to_pending_window_info_[window_info->window_id] =
window_info->Clone();
if (is_app_instance_connected_) {
::arc::UpdateWindowInfo(std::move(window_info));
}
}
} // namespace ash::full_restore
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