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      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
    156