chrome/browser/extensions/pending_extension_info.cc

   1 // Copyright (c) 2012 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 #include "chrome/browser/extensions/pending_extension_info.h"
   6
   7 #include "base/logging.h"
   8
   9 namespace extensions {
  10
  11 PendingExtensionInfo::PendingExtensionInfo(
  12     const std::string& id,
  13     const GURL& update_url,
  14     const Version& version,
  15     ShouldAllowInstallPredicate should_allow_install,
  16     bool is_from_sync,
  17     bool install_silently,
  18     Manifest::Location install_source)
  19     : id_(id),
  20       update_url_(update_url),
  21       version_(version),
  22       should_allow_install_(should_allow_install),
  23       is_from_sync_(is_from_sync),
  24       install_silently_(install_silently),
  25       install_source_(install_source) {}
  26
  27 PendingExtensionInfo::PendingExtensionInfo()
  28     : update_url_(),
  29       should_allow_install_(NULL),
  30       is_from_sync_(true),
  31       install_silently_(false),
  32       install_source_(Manifest::INVALID_LOCATION) {}
  33
  34 bool PendingExtensionInfo::operator==(const PendingExtensionInfo& rhs) const {
  35   return id_ == rhs.id_;
  36 }
  37
  38 int PendingExtensionInfo::CompareTo(const PendingExtensionInfo& other) const {
  39   DCHECK_EQ(id_, other.id_);
  40   if (version_.IsValid() && other.version_.IsValid()) {
  41     int comparison = version_.CompareTo(other.version_);
  42
  43     // If the versions differ then return the version comparison result.
  44     if (comparison != 0)
  45       return comparison;
  46   }
  47
  48   // The versions aren't specified, or they are the same version. Check
  49   // the install source.
  50   if (install_source_ == other.install_source_) {
  51     // Same install source, so |this| has the same precedence as |other|.
  52     return 0;
  53   }
  54
  55   // Different install sources; |this| has higher precedence if
  56   // |install_source_| is the higher priority source.
  57   Manifest::Location higher_priority_source =
  58       Manifest::GetHigherPriorityLocation(
  59           install_source_, other.install_source_);
  60
  61   return higher_priority_source == install_source_ ? 1 : -1;
  62 }
  63
  64 }  // namespace extensions