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// Copyright 2023 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/chromeos/extensions/wm/wm_desks_private_events.h"
#include "base/check_is_test.h"
#include "base/lazy_instance.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/extensions/api/wm_desks_private.h"
#include "content/public/browser/browser_context.h"
#include "extensions/browser/browser_context_keyed_api_factory.h"
#include "extensions/browser/event_router.h"
#include "extensions/browser/event_router_factory.h"
#include "extensions/browser/extension_event_histogram_value.h"
#include "extensions/browser/extension_function.h"
#include "extensions/browser/extension_registry_factory.h"
#include "extensions/browser/extension_system.h"
namespace extensions {
WMDesksEventsRouter::WMDesksEventsRouter(Profile* profile)
: event_router_(EventRouter::Get(profile)) {}
WMDesksEventsRouter::~WMDesksEventsRouter() = default;
void WMDesksEventsRouter::OnDeskAdded(const base::Uuid& desk_id,
bool from_undo) {
if (!event_router_) {
CHECK_IS_TEST();
return;
}
auto event = std::make_unique<Event>(
from_undo ? events::DESK_EVENTS_ON_DESK_REMOVAL_UNDONE
: events::DESK_EVENTS_ON_DESK_ADDED,
api::wm_desks_private::OnDeskAdded::kEventName,
base::Value::List()
.Append(desk_id.AsLowercaseString())
.Append(from_undo));
event_router_->BroadcastEvent(std::move(event));
}
void WMDesksEventsRouter::OnDeskRemoved(const base::Uuid& desk_id) {
if (!event_router_) {
CHECK_IS_TEST();
return;
}
auto event = std::make_unique<Event>(
events::DESK_EVENTS_ON_DESK_REMOVED,
api::wm_desks_private::OnDeskRemoved::kEventName,
base::Value::List().Append(desk_id.AsLowercaseString()));
event_router_->BroadcastEvent(std::move(event));
}
void WMDesksEventsRouter::OnDeskSwitched(const base::Uuid& deactivated,
const base::Uuid& activated) {
if (!event_router_) {
CHECK_IS_TEST();
return;
}
auto event =
std::make_unique<Event>(events::DESK_EVENTS_ON_DESK_SWITCHED,
api::wm_desks_private::OnDeskSwitched::kEventName,
base::Value::List()
.Append(deactivated.AsLowercaseString())
.Append(activated.AsLowercaseString()));
event_router_->BroadcastEvent(std::move(event));
}
WMDesksPrivateEventsAPI::WMDesksPrivateEventsAPI(
content::BrowserContext* context)
: profile_(Profile::FromBrowserContext(context)) {
// Register for listener added and removed events.
auto* router = EventRouter::Get(profile_);
router->RegisterObserver(this,
api::wm_desks_private::OnDeskAdded::kEventName);
router->RegisterObserver(this,
api::wm_desks_private::OnDeskRemoved::kEventName);
router->RegisterObserver(this,
api::wm_desks_private::OnDeskSwitched::kEventName);
}
WMDesksPrivateEventsAPI::~WMDesksPrivateEventsAPI() = default;
// static
BrowserContextKeyedAPIFactory<WMDesksPrivateEventsAPI>*
WMDesksPrivateEventsAPI::GetFactoryInstance() {
static base::NoDestructor<
BrowserContextKeyedAPIFactory<WMDesksPrivateEventsAPI>>
instance;
return instance.get();
}
WMDesksPrivateEventsAPI* WMDesksPrivateEventsAPI::Get(
content::BrowserContext* context) {
return GetFactoryInstance()->Get(context);
}
void WMDesksPrivateEventsAPI::Shutdown() {
if (auto* router = EventRouter::Get(profile_)) {
router->UnregisterObserver(this);
}
}
void WMDesksPrivateEventsAPI::OnListenerAdded(
const EventListenerInfo& details) {
if (!desk_events_router_ && HasDeskEventsListener()) {
desk_events_router_ = std::make_unique<WMDesksEventsRouter>(profile_);
}
}
void WMDesksPrivateEventsAPI::OnListenerRemoved(
const EventListenerInfo& details) {
if (!HasDeskEventsListener()) {
desk_events_router_.reset();
}
}
bool WMDesksPrivateEventsAPI::HasDeskEventsListener() {
auto* router = EventRouter::Get(profile_);
return router->HasEventListener(
api::wm_desks_private::OnDeskAdded::kEventName) ||
router->HasEventListener(
api::wm_desks_private::OnDeskRemoved::kEventName) ||
router->HasEventListener(
api::wm_desks_private::OnDeskSwitched::kEventName);
}
} // namespace extensions
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