electron/shell/browser/file_select_helper.h

118 lines
4.2 KiB
C++

// Copyright (c) 2020 Microsoft, Inc. All rights reserved.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#ifndef SHELL_BROWSER_FILE_SELECT_HELPER_H_
#define SHELL_BROWSER_FILE_SELECT_HELPER_H_
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "base/files/file_path.h"
#include "chrome/common/pref_names.h"
#include "content/public/browser/file_select_listener.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/render_widget_host.h"
#include "content/public/browser/render_widget_host_observer.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_observer.h"
#include "gin/dictionary.h"
#include "net/base/directory_lister.h"
#include "shell/browser/electron_browser_context.h"
#include "shell/browser/ui/file_dialog.h"
#include "shell/common/gin_helper/dictionary.h"
#include "ui/shell_dialogs/selected_file_info.h"
using blink::mojom::FileChooserParams;
class FileSelectHelper : public content::WebContentsObserver,
public content::RenderWidgetHostObserver,
public net::DirectoryLister::DirectoryListerDelegate {
public:
FileSelectHelper(content::RenderFrameHost* render_frame_host,
scoped_refptr<content::FileSelectListener> listener,
FileChooserParams::Mode mode);
~FileSelectHelper() override;
// WebDialogHelper::RunFileChooser
void ShowOpenDialog(const file_dialog::DialogSettings& settings);
void ShowSaveDialog(const file_dialog::DialogSettings& settings);
private:
// net::DirectoryLister::DirectoryListerDelegate overrides.
void OnListFile(
const net::DirectoryLister::DirectoryListerData& data) override;
void OnListDone(int error) override;
void DeleteTemporaryFiles();
void EnumerateDirectory();
void OnOpenDialogDone(gin_helper::Dictionary result);
void OnSaveDialogDone(gin_helper::Dictionary result);
void OnFilesSelected(
std::vector<blink::mojom::FileChooserFileInfoPtr> file_info,
base::FilePath base_dir);
void RunFileChooserEnd();
void ConvertToFileChooserFileInfoList(
const std::vector<ui::SelectedFileInfo>& files);
#if defined(OS_MAC)
// Must be called from a MayBlock() task. Each selected file that is a package
// will be zipped, and the zip will be passed to the render view host in place
// of the package.
void ProcessSelectedFilesMac(const std::vector<ui::SelectedFileInfo>& files);
// Saves the paths of |zipped_files| for later deletion. Passes |files| to the
// render view host.
void ProcessSelectedFilesMacOnUIThread(
const std::vector<ui::SelectedFileInfo>& files,
const std::vector<base::FilePath>& zipped_files);
// Zips the package at |path| into a temporary destination. Returns the
// temporary destination, if the zip was successful. Otherwise returns an
// empty path.
static base::FilePath ZipPackage(const base::FilePath& path);
#endif // defined(OS_MAC)
// content::RenderWidgetHostObserver:
void RenderWidgetHostDestroyed(
content::RenderWidgetHost* widget_host) override;
// content::WebContentsObserver:
void RenderFrameHostChanged(content::RenderFrameHost* old_host,
content::RenderFrameHost* new_host) override;
void RenderFrameDeleted(content::RenderFrameHost* deleted_host) override;
void WebContentsDestroyed() override;
content::RenderFrameHost* render_frame_host_;
content::WebContents* web_contents_;
scoped_refptr<content::FileSelectListener> listener_;
FileChooserParams::Mode mode_;
ScopedObserver<content::RenderWidgetHost, content::RenderWidgetHostObserver>
observer_{this};
// Temporary files only used on OSX. This class is responsible for deleting
// these files when they are no longer needed.
std::vector<base::FilePath> temporary_files_;
// DirectoryLister-specific members
std::unique_ptr<net::DirectoryLister> lister_;
base::FilePath lister_base_dir_;
std::vector<base::FilePath> lister_paths_;
base::WeakPtrFactory<FileSelectHelper> weak_ptr_factory_{this};
};
#endif // SHELL_BROWSER_FILE_SELECT_HELPER_H_