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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 "extensions/browser/process_util.h"
#include "base/check.h"
#include "content/public/browser/browser_context.h"
#include "extensions/browser/extension_host.h"
#include "extensions/browser/extension_util.h"
#include "extensions/browser/extensions_browser_client.h"
#include "extensions/browser/process_manager.h"
#include "extensions/common/extension.h"
#include "extensions/common/manifest_handlers/background_info.h"
#include "extensions/common/manifest_handlers/incognito_info.h"
namespace extensions {
namespace process_util {
PersistentBackgroundPageState GetPersistentBackgroundPageState(
const Extension& extension,
content::BrowserContext* browser_context) {
// If the extension doesn't have a persistent background page, it can never
// be ready.
if (!BackgroundInfo::HasPersistentBackgroundPage(&extension)) {
return PersistentBackgroundPageState::kInvalid;
}
content::BrowserContext* browser_context_to_use = browser_context;
if (browser_context->IsOffTheRecord()) {
// Sanity checks: First check that the extension supports running in
// incognito, according to its manifest.
DCHECK(IncognitoInfo::IsIncognitoAllowed(&extension))
<< "Can't use an incognito browser context for an extension that "
"doesn't suppport incognito!";
// Then, check that the user enabled the extension in incognito.
DCHECK(util::IsIncognitoEnabled(extension.id(), browser_context))
<< "Can't use an incognito browser context for an extension that isn't "
"allowed to run in incognito!";
// If the extension runs in spanning mode, the background page will be
// associated with the on-the-record context.
if (!IncognitoInfo::IsSplitMode(&extension)) {
browser_context_to_use =
ExtensionsBrowserClient::Get()->GetOriginalContext(browser_context);
}
}
ProcessManager* process_manager = ProcessManager::Get(browser_context_to_use);
DCHECK(process_manager);
ExtensionHost* background_host =
process_manager->GetBackgroundHostForExtension(extension.id());
if (!background_host || !background_host->document_element_available()) {
return PersistentBackgroundPageState::kNotReady;
}
return PersistentBackgroundPageState::kReady;
}
} // namespace process_util
} // namespace extensions
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