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/browser/infobars/simple_alert_infobar_delegate.h"
14#include "chrome/common/pref_names.h"
15#include "chrome/grit/generated_resources.h"
16#include "ui/base/l10n/l10n_util.h"
17
18ChromeSelectFilePolicy::ChromeSelectFilePolicy(
19    content::WebContents* source_contents)
20    : source_contents_(source_contents) {
21}
22
23ChromeSelectFilePolicy::~ChromeSelectFilePolicy() {}
24
25bool ChromeSelectFilePolicy::CanOpenSelectFileDialog() {
26  return FileSelectDialogsAllowed();
27}
28
29void 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
43bool 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}
55