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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_EXTENSIONS_API_DEVELOPER_PRIVATE_DEVELOPER_PRIVATE_EVENT_ROUTER_SHARED_H_
#define CHROME_BROWSER_EXTENSIONS_API_DEVELOPER_PRIVATE_DEVELOPER_PRIVATE_EVENT_ROUTER_SHARED_H_
#include <set>
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_observation.h"
#include "chrome/browser/extensions/api/developer_private/extension_info_generator.h"
#include "chrome/browser/extensions/commands/command_service.h"
#include "chrome/browser/extensions/error_console/error_console.h"
#include "chrome/browser/extensions/extension_allowlist.h"
#include "chrome/browser/extensions/extension_management.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/extensions/api/developer_private.h"
#include "components/prefs/pref_change_registrar.h"
#include "extensions/browser/disable_reason.h"
#include "extensions/browser/event_router.h"
#include "extensions/browser/extension_error.h"
#include "extensions/browser/extension_prefs_observer.h"
#include "extensions/browser/extension_registry_observer.h"
#include "extensions/browser/permissions_manager.h"
#include "extensions/browser/process_manager_observer.h"
#include "extensions/browser/uninstall_reason.h"
#include "extensions/browser/warning_service.h"
#include "extensions/common/command.h"
#include "extensions/common/extension_id.h"
namespace extensions {
// By observing these keyed services, we create dependencies on them. Those
// dependencies are maintained in developer_private_api.cc in the
// DeclareFactoryDependencies() template function instantiation.
class DeveloperPrivateEventRouterShared : public ExtensionRegistryObserver,
public ErrorConsole::Observer,
public ProcessManagerObserver,
public ExtensionPrefsObserver,
public WarningService::Observer,
public PermissionsManager::Observer,
public ExtensionManagement::Observer,
public ExtensionAllowlist::Observer,
public CommandService::Observer {
public:
static api::developer_private::UserSiteSettings ConvertToUserSiteSettings(
const PermissionsManager::UserPermissionsSettings& settings);
explicit DeveloperPrivateEventRouterShared(Profile* profile);
DeveloperPrivateEventRouterShared(const DeveloperPrivateEventRouterShared&) =
delete;
DeveloperPrivateEventRouterShared& operator=(
const DeveloperPrivateEventRouterShared&) = delete;
~DeveloperPrivateEventRouterShared() override;
// Add or remove an ID to the list of extensions subscribed to events.
void AddExtensionId(const ExtensionId& extension_id);
void RemoveExtensionId(const ExtensionId& extension_id);
// Called when the configuration (such as user preferences) for an extension
// has changed in a way that may affect the chrome://extensions UI.
void OnExtensionConfigurationChanged(const ExtensionId& extension_id);
// TODO(crbug.com/392777363): Make them all private after moving all the
// usages to shared.cc.
protected:
raw_ptr<Profile> profile_;
raw_ptr<EventRouter> event_router_;
PrefChangeRegistrar pref_change_registrar_;
// Broadcasts an event to all listeners.
void BroadcastItemStateChanged(api::developer_private::EventType event_type,
const ExtensionId& id);
private:
// ExtensionRegistryObserver:
void OnExtensionLoaded(content::BrowserContext* browser_context,
const Extension* extension) override;
void OnExtensionUnloaded(content::BrowserContext* browser_context,
const Extension* extension,
UnloadedExtensionReason reason) override;
void OnExtensionInstalled(content::BrowserContext* browser_context,
const Extension* extension,
bool is_update) override;
void OnExtensionUninstalled(content::BrowserContext* browser_context,
const Extension* extension,
extensions::UninstallReason reason) override;
// ErrorConsole::Observer:
void OnErrorAdded(const ExtensionError* error) override;
void OnErrorsRemoved(const std::set<ExtensionId>& extension_ids) override;
// ProcessManagerObserver:
void OnExtensionFrameRegistered(
const ExtensionId& extension_id,
content::RenderFrameHost* render_frame_host) override;
void OnExtensionFrameUnregistered(
const ExtensionId& extension_id,
content::RenderFrameHost* render_frame_host) override;
void OnStartedTrackingServiceWorkerInstance(
const WorkerId& worker_id) override;
void OnStoppedTrackingServiceWorkerInstance(
const WorkerId& worker_id) override;
// ExtensionPrefsObserver:
void OnExtensionDisableReasonsChanged(
const ExtensionId& extension_id,
DisableReasonSet disable_reasons) override;
void OnExtensionRuntimePermissionsChanged(
const ExtensionId& extension_id) override;
// WarningService::Observer:
void ExtensionWarningsChanged(
const ExtensionIdSet& affected_extensions) override;
// PermissionsManager::Observer:
void OnUserPermissionsSettingsChanged(
const PermissionsManager::UserPermissionsSettings& settings) override;
void OnExtensionPermissionsUpdated(
const Extension& extension,
const PermissionSet& permissions,
PermissionsManager::UpdateReason reason) override;
// ExtensionManagement::Observer:
void OnExtensionManagementSettingsChanged() override;
// ExtensionAllowlist::Observer:
void OnExtensionAllowlistWarningStateChanged(const ExtensionId& extension_id,
bool show_warning) override;
// CommandService::Observer:
void OnExtensionCommandAdded(const ExtensionId& extension_id,
const Command& added_command) override;
void OnExtensionCommandRemoved(const ExtensionId& extension_id,
const Command& removed_command) override;
// Handles a profile preference change.
void OnProfilePrefChanged();
void BroadcastItemStateChangedHelper(
api::developer_private::EventType event_type,
const ExtensionId& extension_id,
std::unique_ptr<ExtensionInfoGenerator> info_generator,
std::vector<api::developer_private::ExtensionInfo> infos);
base::ScopedObservation<ExtensionRegistry, ExtensionRegistryObserver>
extension_registry_observation_{this};
base::ScopedObservation<ErrorConsole, ErrorConsole::Observer>
error_console_observation_{this};
base::ScopedObservation<ProcessManager, ProcessManagerObserver>
process_manager_observation_{this};
base::ScopedObservation<ExtensionPrefs, ExtensionPrefsObserver>
extension_prefs_observation_{this};
base::ScopedObservation<WarningService, WarningService::Observer>
warning_service_observation_{this};
base::ScopedObservation<PermissionsManager, PermissionsManager::Observer>
permissions_manager_observation_{this};
base::ScopedObservation<ExtensionManagement, ExtensionManagement::Observer>
extension_management_observation_{this};
base::ScopedObservation<ExtensionAllowlist, ExtensionAllowlist::Observer>
extension_allowlist_observer_{this};
base::ScopedObservation<CommandService, CommandService::Observer>
command_service_observation_{this};
// The set of IDs of the Extensions that have subscribed to DeveloperPrivate
// events. Since the only consumer of the DeveloperPrivate API is currently
// the Apps Developer Tool (which replaces the chrome://extensions page), we
// don't want to send information about the subscribing extension in an
// update. In particular, we want to avoid entering a loop, which could happen
// when, e.g., the Apps Developer Tool throws an error.
std::set<ExtensionId> extension_ids_;
base::WeakPtrFactory<DeveloperPrivateEventRouterShared> weak_factory_{this};
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_DEVELOPER_PRIVATE_DEVELOPER_PRIVATE_EVENT_ROUTER_SHARED_H_
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