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// Copyright (c) 2012 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 "chrome/browser/extensions/extension_keybinding_registry.h"
#include "base/values.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/extensions/active_tab_permission_granter.h"
#include "chrome/browser/extensions/event_router.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/extensions/extension_system.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/extensions/extension_set.h"
#include "extensions/common/manifest_constants.h"
namespace extensions {
ExtensionKeybindingRegistry::ExtensionKeybindingRegistry(
Profile* profile, ExtensionFilter extension_filter, Delegate* delegate)
: profile_(profile),
extension_filter_(extension_filter),
delegate_(delegate) {
registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_LOADED,
content::Source<Profile>(profile->GetOriginalProfile()));
registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED,
content::Source<Profile>(profile->GetOriginalProfile()));
registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_COMMAND_ADDED,
content::Source<Profile>(profile->GetOriginalProfile()));
registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_COMMAND_REMOVED,
content::Source<Profile>(profile->GetOriginalProfile()));
}
ExtensionKeybindingRegistry::~ExtensionKeybindingRegistry() {
}
void ExtensionKeybindingRegistry::Init() {
ExtensionService* service =
extensions::ExtensionSystem::Get(profile_)->extension_service();
if (!service)
return; // ExtensionService can be null during testing.
const ExtensionSet* extensions = service->extensions();
ExtensionSet::const_iterator iter = extensions->begin();
for (; iter != extensions->end(); ++iter)
if (ExtensionMatchesFilter(iter->get()))
AddExtensionKeybinding(iter->get(), std::string());
}
bool ExtensionKeybindingRegistry::ShouldIgnoreCommand(
const std::string& command) const {
return command == manifest_values::kPageActionCommandEvent ||
command == manifest_values::kBrowserActionCommandEvent ||
command == manifest_values::kScriptBadgeCommandEvent;
}
void ExtensionKeybindingRegistry::CommandExecuted(
const std::string& extension_id, const std::string& command) {
ExtensionService* service =
ExtensionSystem::Get(profile_)->extension_service();
const Extension* extension = service->extensions()->GetByID(extension_id);
if (!extension)
return;
// Grant before sending the event so that the permission is granted before
// the extension acts on the command.
ActiveTabPermissionGranter* granter =
delegate_->GetActiveTabPermissionGranter();
if (granter)
granter->GrantIfRequested(extension);
scoped_ptr<base::ListValue> args(new base::ListValue());
args->Append(new base::StringValue(command));
scoped_ptr<Event> event(new Event("commands.onCommand", args.Pass()));
event->restrict_to_profile = profile_;
event->user_gesture = EventRouter::USER_GESTURE_ENABLED;
ExtensionSystem::Get(profile_)->event_router()->
DispatchEventToExtension(extension_id, event.Pass());
}
void ExtensionKeybindingRegistry::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
switch (type) {
case chrome::NOTIFICATION_EXTENSION_LOADED: {
const extensions::Extension* extension =
content::Details<const extensions::Extension>(details).ptr();
if (ExtensionMatchesFilter(extension))
AddExtensionKeybinding(extension, std::string());
break;
}
case chrome::NOTIFICATION_EXTENSION_UNLOADED: {
const extensions::Extension* extension =
content::Details<UnloadedExtensionInfo>(details)->extension;
if (ExtensionMatchesFilter(extension))
RemoveExtensionKeybinding(extension, std::string());
break;
}
case chrome::NOTIFICATION_EXTENSION_COMMAND_ADDED:
case chrome::NOTIFICATION_EXTENSION_COMMAND_REMOVED: {
std::pair<const std::string, const std::string>* payload =
content::Details<std::pair<const std::string, const std::string> >(
details).ptr();
const extensions::Extension* extension =
ExtensionSystem::Get(profile_)->extension_service()->
extensions()->GetByID(payload->first);
// During install and uninstall the extension won't be found. We'll catch
// those events above, with the LOADED/UNLOADED, so we ignore this event.
if (!extension)
return;
if (ExtensionMatchesFilter(extension)) {
if (type == chrome::NOTIFICATION_EXTENSION_COMMAND_ADDED)
AddExtensionKeybinding(extension, payload->second);
else
RemoveExtensionKeybinding(extension, payload->second);
}
break;
}
default:
NOTREACHED();
break;
}
}
bool ExtensionKeybindingRegistry::ExtensionMatchesFilter(
const extensions::Extension* extension)
{
switch (extension_filter_) {
case ALL_EXTENSIONS:
return true;
case PLATFORM_APPS_ONLY:
return extension->is_platform_app();
default:
NOTREACHED();
}
return false;
}
} // namespace extensions
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