chrome/browser/ui/chrome_select_file_policy.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/ui/chrome_select_file_policy.h"
   6
   7 #include "base/bind.h"
   8 #include "base/callback.h"
   9 #include "base/logging.h"
  10 #include "base/prefs/pref_service.h"
  11 #include "chrome/browser/browser_process.h"
  12 #include "chrome/browser/infobars/infobar_service.h"
  13 #include "chrome/common/pref_names.h"
  14 #include "chrome/grit/generated_resources.h"
  15 #include "components/infobars/core/simple_alert_infobar_delegate.h"
  16 #include "ui/base/l10n/l10n_util.h"
  17
  18 ChromeSelectFilePolicy::ChromeSelectFilePolicy(
  19     content::WebContents* source_contents)
  20     : source_contents_(source_contents) {
  21 }
  22
  23 ChromeSelectFilePolicy::~ChromeSelectFilePolicy() {}
  24
  25 bool ChromeSelectFilePolicy::CanOpenSelectFileDialog() {
  26   return FileSelectDialogsAllowed();
  27 }
  28
  29 void ChromeSelectFilePolicy::SelectFileDenied() {
  30   // Show the InfoBar saying that file-selection dialogs are disabled.
  31   if (source_contents_) {
  32     SimpleAlertInfoBarDelegate::Create(
  33         InfoBarService::FromWebContents(source_contents_),
  34         infobars::InfoBarDelegate::kNoIconID,
  35         l10n_util::GetStringUTF16(IDS_FILE_SELECTION_DIALOG_INFOBAR), true);
  36   } else {
  37     LOG(WARNING) << "File-selection dialogs are disabled but no WebContents "
  38                  << "is given to display the InfoBar.";
  39   }
  40 }
  41
  42 // static
  43 bool ChromeSelectFilePolicy::FileSelectDialogsAllowed() {
  44   DCHECK(g_browser_process);
  45
  46   // local_state() can return NULL for tests.
  47   if (!g_browser_process->local_state())
  48     return false;
  49
  50   return !g_browser_process->local_state()->FindPreference(
  51              prefs::kAllowFileSelectionDialogs) ||
  52          g_browser_process->local_state()->GetBoolean(
  53              prefs::kAllowFileSelectionDialogs);
  54 }