| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/shell_dialogs/select_file_dialog.h" |
| |
| #include <stddef.h> |
| #include <algorithm> |
| |
| #include "base/bind.h" |
| #include "base/location.h" |
| #include "base/logging.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/threading/thread_task_runner_handle.h" |
| #include "build/build_config.h" |
| #include "ui/shell_dialogs/select_file_dialog_factory.h" |
| #include "ui/shell_dialogs/select_file_policy.h" |
| #include "ui/shell_dialogs/selected_file_info.h" |
| |
| namespace { |
| |
| // Optional dialog factory. Leaked. |
| ui::SelectFileDialogFactory* dialog_factory_ = NULL; |
| |
| } // namespace |
| |
| namespace ui { |
| |
| SelectFileDialog::FileTypeInfo::FileTypeInfo() |
| : include_all_files(false), allowed_paths(NATIVE_PATH) {} |
| |
| SelectFileDialog::FileTypeInfo::FileTypeInfo(const FileTypeInfo& other) = |
| default; |
| |
| SelectFileDialog::FileTypeInfo::~FileTypeInfo() {} |
| |
| void SelectFileDialog::Listener::FileSelectedWithExtraInfo( |
| const ui::SelectedFileInfo& file, |
| int index, |
| void* params) { |
| // Most of the dialogs need actual local path, so default to it. |
| // If local path is empty, use file_path instead. |
| FileSelected(file.local_path.empty() ? file.file_path : file.local_path, |
| index, params); |
| } |
| |
| void SelectFileDialog::Listener::MultiFilesSelectedWithExtraInfo( |
| const std::vector<ui::SelectedFileInfo>& files, |
| void* params) { |
| std::vector<base::FilePath> file_paths; |
| for (const ui::SelectedFileInfo& file : files) { |
| file_paths.push_back(file.local_path.empty() ? file.file_path |
| : file.local_path); |
| } |
| |
| MultiFilesSelected(file_paths, params); |
| } |
| |
| // static |
| void SelectFileDialog::SetFactory(ui::SelectFileDialogFactory* factory) { |
| delete dialog_factory_; |
| dialog_factory_ = factory; |
| } |
| |
| // static |
| scoped_refptr<SelectFileDialog> SelectFileDialog::Create( |
| Listener* listener, |
| std::unique_ptr<ui::SelectFilePolicy> policy) { |
| if (dialog_factory_) |
| return dialog_factory_->Create(listener, std::move(policy)); |
| return CreateSelectFileDialog(listener, std::move(policy)); |
| } |
| |
| base::FilePath SelectFileDialog::GetShortenedFilePath( |
| const base::FilePath& path) { |
| const size_t kMaxNameLength = 255; |
| if (path.BaseName().value().length() <= kMaxNameLength) |
| return path; |
| base::FilePath filename = path.BaseName(); |
| base::FilePath::StringType extension = filename.FinalExtension(); |
| filename = filename.RemoveFinalExtension(); |
| base::FilePath::StringType file_string = filename.value(); |
| // 1 for . plus 12 for longest known extension. |
| size_t max_extension_length = 13; |
| if (file_string.length() < kMaxNameLength) { |
| max_extension_length = |
| std::max(max_extension_length, kMaxNameLength - file_string.length()); |
| } |
| if (extension.length() > max_extension_length) { |
| // Take the first max_extension_length characters (this will be the |
| // leading '.' plus the next max_extension_length - 1). |
| extension.resize(max_extension_length); |
| } |
| file_string.resize(kMaxNameLength - extension.length()); |
| return path.DirName().Append(file_string).AddExtension(extension); |
| } |
| |
| void SelectFileDialog::SelectFile( |
| Type type, |
| const base::string16& title, |
| const base::FilePath& default_path, |
| const FileTypeInfo* file_types, |
| int file_type_index, |
| const base::FilePath::StringType& default_extension, |
| gfx::NativeWindow owning_window, |
| void* params) { |
| DCHECK(listener_); |
| |
| if (select_file_policy_.get() && |
| !select_file_policy_->CanOpenSelectFileDialog()) { |
| select_file_policy_->SelectFileDenied(); |
| |
| // Inform the listener that no file was selected. |
| // Post a task rather than calling FileSelectionCanceled directly to ensure |
| // that the listener is called asynchronously. |
| base::ThreadTaskRunnerHandle::Get()->PostTask( |
| FROM_HERE, |
| base::BindOnce(&SelectFileDialog::CancelFileSelection, this, params)); |
| return; |
| } |
| |
| base::FilePath path = GetShortenedFilePath(default_path); |
| |
| // Call the platform specific implementation of the file selection dialog. |
| SelectFileImpl(type, title, path, file_types, file_type_index, |
| default_extension, owning_window, params); |
| } |
| |
| bool SelectFileDialog::HasMultipleFileTypeChoices() { |
| return HasMultipleFileTypeChoicesImpl(); |
| } |
| |
| SelectFileDialog::SelectFileDialog(Listener* listener, |
| std::unique_ptr<ui::SelectFilePolicy> policy) |
| : listener_(listener), select_file_policy_(std::move(policy)) { |
| DCHECK(listener_); |
| } |
| |
| SelectFileDialog::~SelectFileDialog() {} |
| |
| void SelectFileDialog::CancelFileSelection(void* params) { |
| if (listener_) |
| listener_->FileSelectionCanceled(params); |
| } |
| |
| } // namespace ui |