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   FileSelected(file.local_path, index, params);
  50 }
  51
  52 void SelectFileDialog::Listener::MultiFilesSelectedWithExtraInfo(
  53     const std::vector<ui::SelectedFileInfo>& files,
  54     void* params) {
  55   std::vector<base::FilePath> file_paths;
  56   for (size_t i = 0; i < files.size(); ++i)
  57     file_paths.push_back(files[i].local_path);
  58
  59   MultiFilesSelected(file_paths, params);
  60 }
  61
  62 // static
  63 void SelectFileDialog::SetFactory(ui::SelectFileDialogFactory* factory) {
  64   delete dialog_factory_;
  65   dialog_factory_ = factory;
  66 }
  67
  68 // static
  69 scoped_refptr<SelectFileDialog> SelectFileDialog::Create(
  70     Listener* listener,
  71     ui::SelectFilePolicy* policy) {
  72   if (dialog_factory_) {
  73     SelectFileDialog* dialog = dialog_factory_->Create(listener, policy);
  74     if (dialog)
  75       return dialog;
  76   }
  77
  78 #if defined(USE_AURA) && defined(OS_LINUX) && !defined(OS_CHROMEOS)
  79   const ui::LinuxShellDialog* shell_dialogs = ui::LinuxShellDialog::instance();
  80   if (shell_dialogs)
  81     return shell_dialogs->CreateSelectFileDialog(listener, policy);
  82 #endif
  83
  84 #if defined(OS_WIN)
  85   // TODO(ananta)
  86   // Fix this for Chrome ASH on Windows.
  87   return CreateDefaultWinSelectFileDialog(listener, policy);
  88 #elif defined(OS_MACOSX) && !defined(USE_AURA)
  89   return CreateMacSelectFileDialog(listener, policy);
  90 #elif defined(OS_ANDROID)
  91   return CreateAndroidSelectFileDialog(listener, policy);
  92 #else
  93   NOTIMPLEMENTED();
  94   return NULL;
  95 #endif
  96 }
  97
  98 void SelectFileDialog::SelectFile(
  99     Type type,
 100     const base::string16& title,
 101     const base::FilePath& default_path,
 102     const FileTypeInfo* file_types,
 103     int file_type_index,
 104     const base::FilePath::StringType& default_extension,
 105     gfx::NativeWindow owning_window,
 106     void* params) {
 107   DCHECK(listener_);
 108
 109   if (select_file_policy_.get() &&
 110       !select_file_policy_->CanOpenSelectFileDialog()) {
 111     select_file_policy_->SelectFileDenied();
 112
 113     // Inform the listener that no file was selected.
 114     // Post a task rather than calling FileSelectionCanceled directly to ensure
 115     // that the listener is called asynchronously.
 116     base::MessageLoop::current()->PostTask(
 117         FROM_HERE,
 118         base::Bind(&SelectFileDialog::CancelFileSelection, this, params));
 119     return;
 120   }
 121
 122   // Call the platform specific implementation of the file selection dialog.
 123   SelectFileImpl(type, title, default_path, file_types, file_type_index,
 124                  default_extension, owning_window, params);
 125 }
 126
 127 bool SelectFileDialog::HasMultipleFileTypeChoices() {
 128   return HasMultipleFileTypeChoicesImpl();
 129 }
 130
 131 // static
 132 void SelectFileDialog::SetShellDialogsDelegate(ShellDialogsDelegate* delegate) {
 133   g_shell_dialogs_delegate_ = delegate;
 134 }
 135
 136 SelectFileDialog::SelectFileDialog(Listener* listener,
 137                                    ui::SelectFilePolicy* policy)
 138     : listener_(listener),
 139       select_file_policy_(policy) {
 140   DCHECK(listener_);
 141 }
 142
 143 SelectFileDialog::~SelectFileDialog() {}
 144
 145 void SelectFileDialog::CancelFileSelection(void* params) {
 146   if (listener_)
 147     listener_->FileSelectionCanceled(params);
 148 }
 149
 150 ShellDialogsDelegate* SelectFileDialog::GetShellDialogsDelegate() {
 151   return g_shell_dialogs_delegate_;
 152 }
 153
 154 }  // namespace ui