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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/api/runtime/runtime_api.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/browser/extensions/extension_event_router.h"
#include "chrome/browser/extensions/extension_host.h"
#include "chrome/browser/extensions/extension_process_manager.h"
#include "chrome/browser/extensions/extension_system.h"
#include "chrome/browser/extensions/lazy_background_task_queue.h"
#include "chrome/browser/profiles/profile.h"
#include "googleurl/src/gurl.h"
namespace {
const char kOnInstalledEvent[] = "runtime.onInstalled";
const char kNoBackgroundPageError[] = "You do not have a background page.";
const char kPageLoadError[] = "Background page failed to load.";
}
namespace extensions {
// static
void RuntimeEventRouter::DispatchOnInstalledEvent(
Profile* profile, const std::string& extension_id) {
ExtensionSystem* system = ExtensionSystem::Get(profile);
if (!system)
return;
// Special case: normally, extensions add their own lazy event listeners.
// However, since the extension has just been installed, it hasn't had a
// chance to register for events. So we register on its behalf. If the
// extension does not actually have a listener, the event will just be
// ignored.
system->event_router()->AddLazyEventListener(kOnInstalledEvent, extension_id);
system->event_router()->DispatchEventToExtension(
extension_id, kOnInstalledEvent, "[]", NULL, GURL());
}
bool RuntimeGetBackgroundPageFunction::RunImpl() {
ExtensionHost* host =
ExtensionSystem::Get(profile())->process_manager()->
GetBackgroundHostForExtension(extension_id());
if (host) {
OnPageLoaded(host);
} else if (GetExtension()->has_lazy_background_page()) {
ExtensionSystem::Get(profile())->lazy_background_task_queue()->
AddPendingTask(
profile(), extension_id(),
base::Bind(&RuntimeGetBackgroundPageFunction::OnPageLoaded,
this));
} else {
error_ = kNoBackgroundPageError;
return false;
}
return true;
}
void RuntimeGetBackgroundPageFunction::OnPageLoaded(ExtensionHost* host) {
if (host) {
SendResponse(true);
} else {
error_ = kPageLoadError;
SendResponse(false);
}
}
} // namespace extensions
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