xref: /external/chromium_org/chrome/browser/component_updater/pnacl/pnacl_component_installer.h

// Copyright (c) 2011 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 CHROME_BROWSER_COMPONENT_UPDATER_PNACL_PNACL_COMPONENT_INSTALLER_H_
#define CHROME_BROWSER_COMPONENT_UPDATER_PNACL_PNACL_COMPONENT_INSTALLER_H_

#include "base/files/file_path.h"
#include "base/memory/scoped_ptr.h"
#include "base/version.h"
#include "chrome/browser/component_updater/component_updater_service.h"
#include "chrome/browser/component_updater/pnacl/pnacl_profile_observer.h"

class CommandLine;

namespace base {
class DictionaryValue;
}

// Component installer responsible for Portable Native Client files.
// Files can be installed to a shared location, or be installed to
// a per-user location.
class PnaclComponentInstaller : public ComponentInstaller {
 public:
  PnaclComponentInstaller();

  virtual ~PnaclComponentInstaller();

  virtual void OnUpdateError(int error) OVERRIDE;

  virtual bool Install(const base::DictionaryValue& manifest,
                       const base::FilePath& unpack_path) OVERRIDE;

  // Register a PNaCl component for the first time.
  void RegisterPnaclComponent(ComponentUpdateService* cus,
                              const CommandLine& command_line);

  // Check the PNaCl version again and re-register with the component
  // updater service.
  void ReRegisterPnacl();

  bool per_user() const { return per_user_; }

  // If per_user, function to call when profile is changed.
  void OnProfileChange();

  // Determine the base directory for storing each version of PNaCl.
  base::FilePath GetPnaclBaseDirectory();

  base::Version current_version() const { return current_version_; }

  void set_current_version(const base::Version& v) { current_version_ = v; }

  ComponentUpdateService* cus() const { return cus_; }

 private:
  bool per_user_;
  scoped_ptr<PnaclProfileObserver> profile_observer_;
  base::FilePath current_profile_path_;
  base::Version current_version_;
  ComponentUpdateService* cus_;
  DISALLOW_COPY_AND_ASSIGN(PnaclComponentInstaller);
};

// Returns true if this browser is compatible with the given Pnacl component
// manifest, with the version specified in the manifest in |version_out|.
bool CheckPnaclComponentManifest(const base::DictionaryValue& manifest,
                                 base::Version* version_out);

#endif  // CHROME_BROWSER_COMPONENT_UPDATER_PNACL_PNACL_COMPONENT_INSTALLER_H_