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// Copyright 2014 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.
#ifndef EXTENSIONS_BROWSER_DECLARATIVE_USER_SCRIPT_MASTER_H_
#define EXTENSIONS_BROWSER_DECLARATIVE_USER_SCRIPT_MASTER_H_
#include "base/scoped_observer.h"
#include "extensions/browser/extension_user_script_loader.h"
namespace content {
class BrowserContext;
}
namespace extensions {
class UserScript;
// Manages declarative user scripts for a single extension. Owns a
// UserScriptLoader to which file loading and shared memory management
// operations are delegated, and provides an interface for adding, removing,
// and clearing scripts.
class DeclarativeUserScriptMaster {
public:
DeclarativeUserScriptMaster(content::BrowserContext* browser_context,
const HostID& host_id);
~DeclarativeUserScriptMaster();
// Adds script to shared memory region. This may not happen right away if a
// script load is in progress.
void AddScript(const UserScript& script);
// Removes script from shared memory region. This may not happen right away if
// a script load is in progress.
void RemoveScript(const UserScript& script);
// Removes all scripts from shared memory region. This may not happen right
// away if a script load is in progress.
void ClearScripts();
const HostID& host_id() const { return host_id_; }
private:
// ID of host that owns scripts that this component manages.
HostID host_id_;
// Script loader that handles loading contents of scripts into shared memory
// and notifying renderers of script updates.
ExtensionUserScriptLoader loader_;
DISALLOW_COPY_AND_ASSIGN(DeclarativeUserScriptMaster);
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_DECLARATIVE_USER_SCRIPT_MASTER_H_
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