chrome.experimental.downloads

chrome/browser/download/download_prefs.cc

 // 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.
 
 #include "chrome/browser/download/download_prefs.h"
 
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
 #include "base/sys_string_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/download/download_extensions.h"
 #include "chrome/browser/download/download_util.h"
 #include "chrome/browser/download/save_package.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/common/pref_names.h"
 #include "content/browser/browser_thread.h"
 
 DownloadPrefs::DownloadPrefs(PrefService* prefs) : prefs_(prefs) {
+  next_download_id_.Init(prefs::kNextDownloadId, prefs, NULL);
   prompt_for_download_.Init(prefs::kPromptForDownload, prefs, NULL);
   download_path_.Init(prefs::kDownloadDefaultDirectory, prefs, NULL);
   save_file_type_.Init(prefs::kSaveFileType, prefs, NULL);
 
   // We store any file extension that should be opened automatically at
   // download completion in this pref.
   std::string extensions_to_open =
       prefs->GetString(prefs::kDownloadExtensionsToOpen);
   std::vector<std::string> extensions;
   base::SplitString(extensions_to_open, ':', &extensions);
 
   for (size_t i = 0; i < extensions.size(); ++i) {
 #if defined(OS_POSIX)
     FilePath path(extensions[i]);
 #elif defined(OS_WIN)
     FilePath path(UTF8ToWide(extensions[i]));
 #endif
     if (!extensions[i].empty() &&
         download_util::GetFileDangerLevel(path) == download_util::NotDangerous)
       auto_open_.insert(path.value());
   }
 }
 
 DownloadPrefs::~DownloadPrefs() {
   SaveAutoOpenState();
 }
 
 // static
 void DownloadPrefs::RegisterUserPrefs(PrefService* prefs) {
+  prefs->RegisterIntegerPref(prefs::kNextDownloadId,
+                             0,
+                             PrefService::UNSYNCABLE_PREF);
   prefs->RegisterBooleanPref(prefs::kPromptForDownload,
                              false,
                              PrefService::SYNCABLE_PREF);
   prefs->RegisterStringPref(prefs::kDownloadExtensionsToOpen,
                             "",
                             PrefService::UNSYNCABLE_PREF);
   prefs->RegisterBooleanPref(prefs::kDownloadDirUpgraded,
                              false,
                              PrefService::UNSYNCABLE_PREF);
   prefs->RegisterIntegerPref(prefs::kSaveFileType,
@@ skipping 68 matching lines @@
   extension.erase(0, 1);
   auto_open_.erase(extension);
   SaveAutoOpenState();
 }
 
 void DownloadPrefs::ResetAutoOpen() {
   auto_open_.clear();
   SaveAutoOpenState();
 }
 
+int DownloadPrefs::GetNextId() {
+  int next_id = *next_download_id_;
+  prefs_->SetInteger(prefs::kNextDownloadId, next_id + 1);
+  return next_id;
+}
+
 void DownloadPrefs::SaveAutoOpenState() {
   std::string extensions;
   for (AutoOpenSet::iterator it = auto_open_.begin();
        it != auto_open_.end(); ++it) {
 #if defined(OS_POSIX)
     std::string this_extension = *it;
 #elif defined(OS_WIN)
     // TODO(phajdan.jr): Why we're using Sys conversion here, but not in ctor?
     std::string this_extension = base::SysWideToUTF8(*it);
 #endif
     extensions += this_extension + ":";
   }
   if (!extensions.empty())
     extensions.erase(extensions.size() - 1);
 
   prefs_->SetString(prefs::kDownloadExtensionsToOpen, extensions);
 }
 
 bool DownloadPrefs::AutoOpenCompareFunctor::operator()(
     const FilePath::StringType& a,
     const FilePath::StringType& b) const {
   return FilePath::CompareLessIgnoreCase(a, b);
 }