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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/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 Chooser was used during a download. Only record this
// for profiles that do not always prompt for save locations on downloads.
void RecordFilePickerResult(DownloadManager* manager,
FilePickerResult result) {
if (!manager)
return;
const DownloadPrefs* prefs = DownloadPrefs::FromDownloadManager(manager);
if (!prefs)
return;
if (prefs->PromptForDownload())
return;
UMA_HISTOGRAM_ENUMERATION("Download.FilePickerResult",
result,
FILE_PICKER_MAX);
}
FilePickerResult ComparePaths(const FilePath& suggested_path,
const FilePath& actual_path) {
if (suggested_path == actual_path)
return FILE_PICKER_SAME;
if (suggested_path.DirName() != actual_path.DirName())
return FILE_PICKER_DIFFERENT_DIR;
return FILE_PICKER_DIFFERENT_NAME;
}
} // namespace
DownloadFilePicker::DownloadFilePicker() : download_id_(0) {
}
void DownloadFilePicker::Init(
DownloadManager* download_manager,
DownloadItem* item,
const FilePath& suggested_path,
const ChromeDownloadManagerDelegate::FileSelectedCallback& callback) {
download_manager_ = download_manager;
download_id_ = item->GetId();
file_selected_callback_ = callback;
InitSuggestedPath(item, suggested_path);
DCHECK(download_manager_);
WebContents* web_contents = item->GetWebContents();
select_file_dialog_ = ui::SelectFileDialog::Create(
this, new ChromeSelectFilePolicy(web_contents));
ui::SelectFileDialog::FileTypeInfo file_type_info;
FilePath::StringType extension = suggested_path_.Extension();
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_gdata = true;
gfx::NativeWindow owning_window = web_contents ?
platform_util::GetTopLevel(web_contents->GetNativeView()) : NULL;
select_file_dialog_->SelectFile(
ui::SelectFileDialog::SELECT_SAVEAS_FILE,
string16(),
suggested_path_,
&file_type_info,
0,
FILE_PATH_LITERAL(""),
owning_window,
NULL);
}
DownloadFilePicker::~DownloadFilePicker() {
}
void DownloadFilePicker::InitSuggestedPath(DownloadItem* item,
const FilePath& suggested_path) {
set_suggested_path(suggested_path);
}
void DownloadFilePicker::OnFileSelected(const FilePath& path) {
file_selected_callback_.Run(path);
delete this;
}
void DownloadFilePicker::RecordFileSelected(const FilePath& path) {
FilePickerResult result = ComparePaths(suggested_path_, path);
RecordFilePickerResult(download_manager_, result);
}
void DownloadFilePicker::FileSelected(const FilePath& path,
int index,
void* params) {
RecordFileSelected(path);
OnFileSelected(path);
// Deletes |this|
}
void DownloadFilePicker::FileSelectionCanceled(void* params) {
RecordFilePickerResult(download_manager_, FILE_PICKER_CANCEL);
OnFileSelected(FilePath());
// Deletes |this|
}
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