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// 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 "chrome/browser/download/download_file_picker.h"
#include "base/metrics/histogram.h"
#include "chrome/browser/download/download_prefs.h"
#include "chrome/browser/platform_util.h"
#include "chrome/browser/ui/chrome_select_file_policy.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/download_item.h"
#include "content/public/browser/download_manager.h"
#include "content/public/browser/web_contents.h"
#include "grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"
using content::DownloadItem;
using content::DownloadManager;
using content::WebContents;
namespace {
enum FilePickerResult {
FILE_PICKER_SAME,
FILE_PICKER_DIFFERENT_DIR,
FILE_PICKER_DIFFERENT_NAME,
FILE_PICKER_CANCEL,
FILE_PICKER_MAX,
};
// Record how the File Picker was used during a download. This UMA is only
// recorded for profiles that do not always prompt for save locations on
// downloads.
void RecordFilePickerResult(const base::FilePath& suggested_path,
const base::FilePath& actual_path) {
FilePickerResult result;
if (suggested_path == actual_path)
result = FILE_PICKER_SAME;
else if (actual_path.empty())
result = FILE_PICKER_CANCEL;
else if (suggested_path.DirName() != actual_path.DirName())
result = FILE_PICKER_DIFFERENT_DIR;
else
result = FILE_PICKER_DIFFERENT_NAME;
UMA_HISTOGRAM_ENUMERATION("Download.FilePickerResult",
result,
FILE_PICKER_MAX);
}
} // namespace
DownloadFilePicker::DownloadFilePicker(
DownloadItem* item,
const base::FilePath& suggested_path,
const FileSelectedCallback& callback)
: suggested_path_(suggested_path),
file_selected_callback_(callback),
should_record_file_picker_result_(false) {
const DownloadPrefs* prefs =
DownloadPrefs::FromBrowserContext(item->GetBrowserContext());
DCHECK(prefs);
// Only record UMA if we aren't prompting the user for all downloads.
should_record_file_picker_result_ = !prefs->PromptForDownload();
WebContents* web_contents = item->GetWebContents();
select_file_dialog_ = ui::SelectFileDialog::Create(
this, new ChromeSelectFilePolicy(web_contents));
ui::SelectFileDialog::FileTypeInfo file_type_info;
// Platform file pickers, notably on Mac and Windows, tend to break
// with double extensions like .tar.gz, so only pass in normal ones.
base::FilePath::StringType extension = suggested_path_.FinalExtension();
if (!extension.empty()) {
extension.erase(extension.begin()); // drop the .
file_type_info.extensions.resize(1);
file_type_info.extensions[0].push_back(extension);
}
file_type_info.include_all_files = true;
file_type_info.support_drive = true;
gfx::NativeWindow owning_window = web_contents ?
platform_util::GetTopLevel(web_contents->GetNativeView()) : NULL;
select_file_dialog_->SelectFile(ui::SelectFileDialog::SELECT_SAVEAS_FILE,
base::string16(),
suggested_path_,
&file_type_info,
0,
base::FilePath::StringType(),
owning_window,
NULL);
}
DownloadFilePicker::~DownloadFilePicker() {
}
void DownloadFilePicker::OnFileSelected(const base::FilePath& path) {
if (should_record_file_picker_result_)
RecordFilePickerResult(suggested_path_, path);
file_selected_callback_.Run(path);
delete this;
}
void DownloadFilePicker::FileSelected(const base::FilePath& path,
int index,
void* params) {
OnFileSelected(path);
// Deletes |this|
}
void DownloadFilePicker::FileSelectionCanceled(void* params) {
OnFileSelected(base::FilePath());
// Deletes |this|
}
// static
void DownloadFilePicker::ShowFilePicker(DownloadItem* item,
const base::FilePath& suggested_path,
const FileSelectedCallback& callback) {
new DownloadFilePicker(item, suggested_path, callback);
// DownloadFilePicker deletes itself.
}
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