Start consolidating cross-port file selection code into ui/base/dialogs.

chrome/browser/ui/select_file_dialog.cc

 // Copyright (c) 2012 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/ui/select_file_dialog.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/tab_contents/simple_alert_infobar_delegate.h"
 #include "chrome/browser/ui/tab_contents/tab_contents.h"
 #include "chrome/common/pref_names.h"
 #include "grit/generated_resources.h"
 #include "ui/base/dialogs/selected_file_info.h"
+#include "ui/base/dialogs/select_file_policy.h"
 #include "ui/base/l10n/l10n_util.h"
 
 using content::WebContents;
 
 SelectFileDialog::FileTypeInfo::FileTypeInfo() : include_all_files(false) {}
 
 SelectFileDialog::FileTypeInfo::~FileTypeInfo() {}
 
 void SelectFileDialog::Listener::FileSelectedWithExtraInfo(
     const ui::SelectedFileInfo& file,
     int index,
     void* params) {
   FileSelected(file.path, index, params);
 }
 
 void SelectFileDialog::Listener::MultiFilesSelectedWithExtraInfo(
     const std::vector<ui::SelectedFileInfo>& files,
     void* params) {
   std::vector<FilePath> file_paths;
   for (size_t i = 0; i < files.size(); ++i)
     file_paths.push_back(files[i].path);
 
   MultiFilesSelected(file_paths, params);
 }
 
-SelectFileDialog::SelectFileDialog(Listener* listener)
-    : listener_(listener) {
+SelectFileDialog::SelectFileDialog(Listener* listener,
+                                   ui::SelectFilePolicy* policy)
+    : listener_(listener),
+      select_file_policy_(policy) {
   DCHECK(listener_);
 }
 
 SelectFileDialog::~SelectFileDialog() {}
 
-bool SelectFileDialog::CanOpenSelectFileDialog() {
-  DCHECK(g_browser_process);
-
-  // local_state() can return NULL for tests.
-  if (!g_browser_process->local_state())
-    return false;
-
-  return !g_browser_process->local_state()->FindPreference(
-             prefs::kAllowFileSelectionDialogs) ||
-         g_browser_process->local_state()->GetBoolean(
-             prefs::kAllowFileSelectionDialogs);
-}
-
 void SelectFileDialog::SelectFile(Type type,
                                   const string16& title,
                                   const FilePath& default_path,
                                   const FileTypeInfo* file_types,
                                   int file_type_index,
                                   const FilePath::StringType& default_extension,
-                                  WebContents* source_contents,
                                   gfx::NativeWindow owning_window,
                                   void* params) {
   DCHECK(listener_);
 
-  if (!CanOpenSelectFileDialog()) {
-    // Show the InfoBar saying that file-selection dialogs are disabled.
-    if (source_contents) {
-      TabContents* tab_contents = TabContents::FromWebContents(source_contents);
-      InfoBarTabHelper* infobar_helper = tab_contents->infobar_tab_helper();
-      infobar_helper->AddInfoBar(new SimpleAlertInfoBarDelegate(
-          infobar_helper,
-          NULL,
-          l10n_util::GetStringUTF16(IDS_FILE_SELECTION_DIALOG_INFOBAR),
-          true));
-    } else {
-      LOG(WARNING) << "File-selection dialogs are disabled but no WebContents "
-                   << "is given to display the InfoBar.";
-    }
+  if (select_file_policy_.get() &&
+      !select_file_policy_->CanOpenSelectFileDialog()) {
+    select_file_policy_->SelectFileDenied();
 
     // Inform the listener that no file was selected.
     // Post a task rather than calling FileSelectionCanceled directly to ensure
     // that the listener is called asynchronously.
     MessageLoop::current()->PostTask(
         FROM_HERE, base::Bind(&SelectFileDialog::CancelFileSelection, this,
                               params));
     return;
   }
+
   // Call the platform specific implementation of the file selection dialog.
   SelectFileImpl(type, title, default_path, file_types, file_type_index,
                  default_extension, owning_window, params);
 }
 
 bool SelectFileDialog::HasMultipleFileTypeChoices() {
   return HasMultipleFileTypeChoicesImpl();
 }
 
 void SelectFileDialog::CancelFileSelection(void* params) {
   if (listener_)
     listener_->FileSelectionCanceled(params);
 }