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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 <stdint.h>
      9 #include <string>
     10 #include <vector>
     11 
     12 #include "base/files/file_path.h"
     13 #include "base/gtest_prod_util.h"
     14 #include "base/macros.h"
     15 #include "components/component_updater/default_component_installer.h"
     16 
     17 namespace test {
     18 class ComponentCldDataHarness;
     19 }  // namespace test
     20 
     21 namespace component_updater {
     22 
     23 class ComponentUpdateService;
     24 
     25 // Visible for testing. No need to instantiate this class directly.
     26 class CldComponentInstallerTraits : public ComponentInstallerTraits {
     27  public:
     28   CldComponentInstallerTraits();
     29   virtual ~CldComponentInstallerTraits() {}
     30 
     31  private:
     32   friend class CldComponentInstallerTest;  // For access within SetUp()
     33   friend class test::ComponentCldDataHarness;  // For browser tests only
     34   FRIEND_TEST_ALL_PREFIXES(CldComponentInstallerTest, ComponentReady);
     35   FRIEND_TEST_ALL_PREFIXES(CldComponentInstallerTest, GetBaseDirectory);
     36   FRIEND_TEST_ALL_PREFIXES(CldComponentInstallerTest, GetHash);
     37   FRIEND_TEST_ALL_PREFIXES(CldComponentInstallerTest, GetInstalledPath);
     38   FRIEND_TEST_ALL_PREFIXES(CldComponentInstallerTest, GetName);
     39   FRIEND_TEST_ALL_PREFIXES(CldComponentInstallerTest, OnCustomInstall);
     40   FRIEND_TEST_ALL_PREFIXES(CldComponentInstallerTest, SetLatestCldDataFile);
     41   FRIEND_TEST_ALL_PREFIXES(CldComponentInstallerTest, VerifyInstallation);
     42 
     43   // The following methods override ComponentInstallerTraits.
     44   virtual bool CanAutoUpdate() const OVERRIDE;
     45   virtual bool OnCustomInstall(const base::DictionaryValue& manifest,
     46                                const base::FilePath& install_dir) OVERRIDE;
     47   virtual bool VerifyInstallation(
     48       const base::FilePath& install_dir) const OVERRIDE;
     49   virtual void ComponentReady(
     50       const base::Version& version,
     51       const base::FilePath& path,
     52       scoped_ptr<base::DictionaryValue> manifest) OVERRIDE;
     53   virtual base::FilePath GetBaseDirectory() const OVERRIDE;
     54   virtual void GetHash(std::vector<uint8_t>* hash) const OVERRIDE;
     55   virtual std::string GetName() const OVERRIDE;
     56 
     57   static base::FilePath GetInstalledPath(const base::FilePath& base);
     58 
     59   // Sets the path to the CLD data file. Called internally once a valid CLD
     60   // data file has been observed. The implementation of this method is
     61   // responsible for configuring the CLD data source.
     62   // This method is threadsafe.
     63   static void SetLatestCldDataFile(const base::FilePath& path);
     64 
     65   // Returns the file path that was most recently set in SetLatestCldDataFile.
     66   static base::FilePath GetLatestCldDataFile();
     67 
     68   DISALLOW_COPY_AND_ASSIGN(CldComponentInstallerTraits);
     69 };
     70 
     71 // Call once during startup to make the component update service aware of
     72 // the CLD component.
     73 void RegisterCldComponent(ComponentUpdateService* cus);
     74 
     75 }  // namespace component_updater
     76 
     77 #endif  // CHROME_BROWSER_COMPONENT_UPDATER_CLD_COMPONENT_INSTALLER_H_
     78