blob: 96e589f89803bf9c5c7e0bd3e72f33b44791c975 [file] [log] [blame]
// 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/check.h"
#include "base/location.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