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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_COMPONENT_UPDATER_CLD_COMPONENT_INSTALLER_H_
      6 #define CHROME_BROWSER_COMPONENT_UPDATER_CLD_COMPONENT_INSTALLER_H_
      7 
      8 #include <string>
      9 #include <vector>
     10 
     11 #include "base/files/file_path.h"
     12 #include "base/gtest_prod_util.h"
     13 #include "chrome/browser/component_updater/default_component_installer.h"
     14 
     15 namespace test {
     16 class ScopedCLDDynamicDataHarness;
     17 }  // namespace test
     18 
     19 namespace component_updater {
     20 
     21 class ComponentUpdateService;
     22 
     23 // Visible for testing. No need to instantiate this class directly.
     24 class CldComponentInstallerTraits : public ComponentInstallerTraits {
     25  public:
     26   CldComponentInstallerTraits();
     27   virtual ~CldComponentInstallerTraits() {}
     28 
     29  private:
     30   friend class CldComponentInstallerTest;  // For access within SetUp()
     31   friend class test::ScopedCLDDynamicDataHarness;  // For browser tests only
     32   FRIEND_TEST_ALL_PREFIXES(CldComponentInstallerTest, ComponentReady);
     33   FRIEND_TEST_ALL_PREFIXES(CldComponentInstallerTest, GetBaseDirectory);
     34   FRIEND_TEST_ALL_PREFIXES(CldComponentInstallerTest, GetHash);
     35   FRIEND_TEST_ALL_PREFIXES(CldComponentInstallerTest, GetInstalledPath);
     36   FRIEND_TEST_ALL_PREFIXES(CldComponentInstallerTest, GetName);
     37   FRIEND_TEST_ALL_PREFIXES(CldComponentInstallerTest, OnCustomInstall);
     38   FRIEND_TEST_ALL_PREFIXES(CldComponentInstallerTest, SetLatestCldDataFile);
     39   FRIEND_TEST_ALL_PREFIXES(CldComponentInstallerTest, VerifyInstallation);
     40 
     41   // The following methods override ComponentInstallerTraits.
     42   virtual bool CanAutoUpdate() const OVERRIDE;
     43   virtual bool OnCustomInstall(const base::DictionaryValue& manifest,
     44                                const base::FilePath& install_dir) OVERRIDE;
     45   virtual bool VerifyInstallation(
     46       const base::FilePath& install_dir) const OVERRIDE;
     47   virtual void ComponentReady(
     48       const base::Version& version,
     49       const base::FilePath& path,
     50       scoped_ptr<base::DictionaryValue> manifest) OVERRIDE;
     51   virtual base::FilePath GetBaseDirectory() const OVERRIDE;
     52   virtual void GetHash(std::vector<uint8>* hash) const OVERRIDE;
     53   virtual std::string GetName() const OVERRIDE;
     54 
     55   static base::FilePath GetInstalledPath(const base::FilePath& base);
     56   static void SetLatestCldDataFile(const base::FilePath& path);
     57   DISALLOW_COPY_AND_ASSIGN(CldComponentInstallerTraits);
     58 };
     59 
     60 // Call once during startup to make the component update service aware of
     61 // the CLD component.
     62 void RegisterCldComponent(ComponentUpdateService* cus);
     63 
     64 // Returns the path to the latest CLD data file into the specified path object,
     65 // or an empty path if the CLD data file has not been observed yet.
     66 // This function is threadsafe.
     67 base::FilePath GetLatestCldDataFile();
     68 
     69 }  // namespace component_updater
     70 
     71 #endif  // CHROME_BROWSER_COMPONENT_UPDATER_CLD_COMPONENT_INSTALLER_H_
     72