ui/shell_dialogs/select_file_dialog.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 "ui/shell_dialogs/select_file_dialog.h"
   6
   7 #include "base/bind.h"
   8 #include "base/logging.h"
   9 #include "base/message_loop/message_loop.h"
  10 #include "build/build_config.h"
  11 #include "ui/shell_dialogs/select_file_dialog_factory.h"
  12 #include "ui/shell_dialogs/select_file_policy.h"
  13 #include "ui/shell_dialogs/selected_file_info.h"
  14 #include "ui/shell_dialogs/shell_dialogs_delegate.h"
  15
  16 #if defined(OS_WIN)
  17 #include "ui/shell_dialogs/select_file_dialog_win.h"
  18 #elif defined(OS_MACOSX)
  19 #include "ui/shell_dialogs/select_file_dialog_mac.h"
  20 #elif defined(OS_ANDROID)
  21 #include "ui/shell_dialogs/select_file_dialog_android.h"
  22 #elif defined(USE_AURA) && defined(OS_LINUX) && !defined(OS_CHROMEOS)
  23 #include "ui/shell_dialogs/linux_shell_dialog.h"
  24 #endif
  25
  26 namespace {
  27
  28 // Optional dialog factory. Leaked.
  29 ui::SelectFileDialogFactory* dialog_factory_ = NULL;
  30
  31 // The global shell dialogs delegate.
  32 ui::ShellDialogsDelegate* g_shell_dialogs_delegate_ = NULL;
  33
  34 }  // namespace
  35
  36 namespace ui {
  37
  38 SelectFileDialog::FileTypeInfo::FileTypeInfo()
  39     : include_all_files(false),
  40       support_drive(false) {}
  41
  42 SelectFileDialog::FileTypeInfo::~FileTypeInfo() {}
  43
  44 void SelectFileDialog::Listener::FileSelectedWithExtraInfo(
  45     const ui::SelectedFileInfo& file,
  46     int index,
  47     void* params) {
  48   // Most of the dialogs need actual local path, so default to it.
  49   // If local path is empty, use file_path instead.
  50   FileSelected(file.local_path.empty() ? file.file_path : file.local_path,
  51                index,
  52                params);
  53 }
  54
  55 void SelectFileDialog::Listener::MultiFilesSelectedWithExtraInfo(
  56     const std::vector<ui::SelectedFileInfo>& files,
  57     void* params) {
  58   std::vector<base::FilePath> file_paths;
  59   for (size_t i = 0; i < files.size(); ++i)
  60     file_paths.push_back(files[i].local_path.empty() ? files[i].file_path
  61                                                      : files[i].local_path);
  62
  63   MultiFilesSelected(file_paths, params);
  64 }
  65
  66 // static
  67 void SelectFileDialog::SetFactory(ui::SelectFileDialogFactory* factory) {
  68   delete dialog_factory_;
  69   dialog_factory_ = factory;
  70 }
  71
  72 // static
  73 scoped_refptr<SelectFileDialog> SelectFileDialog::Create(
  74     Listener* listener,
  75     ui::SelectFilePolicy* policy) {
  76   if (dialog_factory_) {
  77     SelectFileDialog* dialog = dialog_factory_->Create(listener, policy);
  78     if (dialog)
  79       return dialog;
  80   }
  81
  82 #if defined(USE_AURA) && defined(OS_LINUX) && !defined(OS_CHROMEOS)
  83   const ui::LinuxShellDialog* shell_dialogs = ui::LinuxShellDialog::instance();
  84   if (shell_dialogs)
  85     return shell_dialogs->CreateSelectFileDialog(listener, policy);
  86 #endif
  87
  88 #if defined(OS_WIN)
  89   // TODO(ananta)
  90   // Fix this for Chrome ASH on Windows.
  91   return CreateDefaultWinSelectFileDialog(listener, policy);
  92 #elif defined(OS_MACOSX) && !defined(USE_AURA)
  93   return CreateMacSelectFileDialog(listener, policy);
  94 #elif defined(OS_ANDROID)
  95   return CreateAndroidSelectFileDialog(listener, policy);
  96 #else
  97   NOTIMPLEMENTED();
  98   return NULL;
  99 #endif
 100 }
 101
 102 void SelectFileDialog::SelectFile(
 103     Type type,
 104     const base::string16& title,
 105     const base::FilePath& default_path,
 106     const FileTypeInfo* file_types,
 107     int file_type_index,
 108     const base::FilePath::StringType& default_extension,
 109     gfx::NativeWindow owning_window,
 110     void* params) {
 111   DCHECK(listener_);
 112
 113   if (select_file_policy_.get() &&
 114       !select_file_policy_->CanOpenSelectFileDialog()) {
 115     select_file_policy_->SelectFileDenied();
 116
 117     // Inform the listener that no file was selected.
 118     // Post a task rather than calling FileSelectionCanceled directly to ensure
 119     // that the listener is called asynchronously.
 120     base::MessageLoop::current()->PostTask(
 121         FROM_HERE,
 122         base::Bind(&SelectFileDialog::CancelFileSelection, this, params));
 123     return;
 124   }
 125
 126   // Call the platform specific implementation of the file selection dialog.
 127   SelectFileImpl(type, title, default_path, file_types, file_type_index,
 128                  default_extension, owning_window, params);
 129 }
 130
 131 bool SelectFileDialog::HasMultipleFileTypeChoices() {
 132   return HasMultipleFileTypeChoicesImpl();
 133 }
 134
 135 // static
 136 void SelectFileDialog::SetShellDialogsDelegate(ShellDialogsDelegate* delegate) {
 137   g_shell_dialogs_delegate_ = delegate;
 138 }
 139
 140 SelectFileDialog::SelectFileDialog(Listener* listener,
 141                                    ui::SelectFilePolicy* policy)
 142     : listener_(listener),
 143       select_file_policy_(policy) {
 144   DCHECK(listener_);
 145 }
 146
 147 SelectFileDialog::~SelectFileDialog() {}
 148
 149 void SelectFileDialog::CancelFileSelection(void* params) {
 150   if (listener_)
 151     listener_->FileSelectionCanceled(params);
 152 }
 153
 154 ShellDialogsDelegate* SelectFileDialog::GetShellDialogsDelegate() {
 155   return g_shell_dialogs_delegate_;
 156 }
 157
 158 }  // namespace ui