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/base/l10n/l10n_util.h"
  12 #include "ui/shell_dialogs/select_file_dialog_factory.h"
  13 #include "ui/shell_dialogs/select_file_policy.h"
  14 #include "ui/shell_dialogs/selected_file_info.h"
  15 #include "ui/shell_dialogs/shell_dialogs_delegate.h"
  16
  17 #if defined(OS_WIN)
  18 #include "ui/shell_dialogs/select_file_dialog_win.h"
  19 #elif defined(OS_MACOSX)
  20 #include "ui/shell_dialogs/select_file_dialog_mac.h"
  21 #elif defined(OS_ANDROID)
  22 #include "ui/shell_dialogs/select_file_dialog_android.h"
  23 #elif defined(USE_AURA) && defined(OS_LINUX) && !defined(OS_CHROMEOS)
  24 #include "ui/shell_dialogs/linux_shell_dialog.h"
  25 #endif
  26
  27 namespace {
  28
  29 // Optional dialog factory. Leaked.
  30 ui::SelectFileDialogFactory* dialog_factory_ = NULL;
  31
  32 // The global shell dialogs delegate.
  33 ui::ShellDialogsDelegate* g_shell_dialogs_delegate_ = NULL;
  34
  35 }  // namespace
  36
  37 namespace ui {
  38
  39 SelectFileDialog::FileTypeInfo::FileTypeInfo()
  40     : include_all_files(false),
  41       support_drive(false) {}
  42
  43 SelectFileDialog::FileTypeInfo::~FileTypeInfo() {}
  44
  45 void SelectFileDialog::Listener::FileSelectedWithExtraInfo(
  46     const ui::SelectedFileInfo& file,
  47     int index,
  48     void* params) {
  49   // Most of the dialogs need actual local path, so default to it.
  50   FileSelected(file.local_path, index, params);
  51 }
  52
  53 void SelectFileDialog::Listener::MultiFilesSelectedWithExtraInfo(
  54     const std::vector<ui::SelectedFileInfo>& files,
  55     void* params) {
  56   std::vector<base::FilePath> file_paths;
  57   for (size_t i = 0; i < files.size(); ++i)
  58     file_paths.push_back(files[i].local_path);
  59
  60   MultiFilesSelected(file_paths, params);
  61 }
  62
  63 // static
  64 void SelectFileDialog::SetFactory(ui::SelectFileDialogFactory* factory) {
  65   delete dialog_factory_;
  66   dialog_factory_ = factory;
  67 }
  68
  69 // static
  70 scoped_refptr<SelectFileDialog> SelectFileDialog::Create(
  71     Listener* listener,
  72     ui::SelectFilePolicy* policy) {
  73   if (dialog_factory_) {
  74     SelectFileDialog* dialog = dialog_factory_->Create(listener, policy);
  75     if (dialog)
  76       return dialog;
  77   }
  78
  79 #if defined(USE_AURA) && defined(OS_LINUX) && !defined(OS_CHROMEOS)
  80   const ui::LinuxShellDialog* shell_dialogs = ui::LinuxShellDialog::instance();
  81   if (shell_dialogs)
  82     return shell_dialogs->CreateSelectFileDialog(listener, policy);
  83 #endif
  84
  85 #if defined(OS_WIN)
  86   // TODO(ananta)
  87   // Fix this for Chrome ASH on Windows.
  88   return CreateWinSelectFileDialog(listener, policy);
  89 #elif defined(OS_MACOSX) && !defined(USE_AURA)
  90   return CreateMacSelectFileDialog(listener, policy);
  91 #elif defined(OS_ANDROID)
  92   return CreateAndroidSelectFileDialog(listener, policy);
  93 #else
  94   NOTIMPLEMENTED();
  95   return NULL;
  96 #endif
  97 }
  98
  99 void SelectFileDialog::SelectFile(
 100     Type type,
 101     const base::string16& title,
 102     const base::FilePath& default_path,
 103     const FileTypeInfo* file_types,
 104     int file_type_index,
 105     const base::FilePath::StringType& default_extension,
 106     gfx::NativeWindow owning_window,
 107     void* params) {
 108   DCHECK(listener_);
 109
 110   if (select_file_policy_.get() &&
 111       !select_file_policy_->CanOpenSelectFileDialog()) {
 112     select_file_policy_->SelectFileDenied();
 113
 114     // Inform the listener that no file was selected.
 115     // Post a task rather than calling FileSelectionCanceled directly to ensure
 116     // that the listener is called asynchronously.
 117     base::MessageLoop::current()->PostTask(
 118         FROM_HERE,
 119         base::Bind(&SelectFileDialog::CancelFileSelection, this, params));
 120     return;
 121   }
 122
 123   // Call the platform specific implementation of the file selection dialog.
 124   SelectFileImpl(type, title, default_path, file_types, file_type_index,
 125                  default_extension, owning_window, params);
 126 }
 127
 128 bool SelectFileDialog::HasMultipleFileTypeChoices() {
 129   return HasMultipleFileTypeChoicesImpl();
 130 }
 131
 132 // static
 133 void SelectFileDialog::SetShellDialogsDelegate(ShellDialogsDelegate* delegate) {
 134   g_shell_dialogs_delegate_ = delegate;
 135 }
 136
 137 SelectFileDialog::SelectFileDialog(Listener* listener,
 138                                    ui::SelectFilePolicy* policy)
 139     : listener_(listener),
 140       select_file_policy_(policy) {
 141   DCHECK(listener_);
 142 }
 143
 144 SelectFileDialog::~SelectFileDialog() {}
 145
 146 void SelectFileDialog::CancelFileSelection(void* params) {
 147   if (listener_)
 148     listener_->FileSelectionCanceled(params);
 149 }
 150
 151 ShellDialogsDelegate* SelectFileDialog::GetShellDialogsDelegate() {
 152   return g_shell_dialogs_delegate_;
 153 }
 154
 155 }  // namespace ui