Home | History | Annotate | Download | only in shell_dialogs 
      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
    155