226 lines
7.6 KiB
C++
226 lines
7.6 KiB
C++
// Copyright (c) 2014 GitHub, Inc. All rights reserved.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "atom/browser/web_dialog_helper.h"
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#include <string>
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#include <vector>
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#include "atom/browser/atom_browser_context.h"
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#include "atom/browser/native_window.h"
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#include "atom/browser/ui/file_dialog.h"
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#include "base/bind.h"
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#include "base/files/file_enumerator.h"
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#include "base/files/file_path.h"
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#include "base/strings/utf_string_conversions.h"
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#include "chrome/common/pref_names.h"
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#include "components/prefs/pref_service.h"
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#include "content/public/browser/browser_thread.h"
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#include "content/public/browser/render_frame_host.h"
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#include "content/public/browser/render_process_host.h"
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#include "content/public/browser/render_view_host.h"
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#include "content/public/browser/web_contents.h"
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#include "content/public/common/file_chooser_file_info.h"
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#include "content/public/common/file_chooser_params.h"
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#include "net/base/mime_util.h"
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#include "ui/shell_dialogs/selected_file_info.h"
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namespace {
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class FileSelectHelper : public base::RefCountedThreadSafe<
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FileSelectHelper,
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content::BrowserThread::DeleteOnUIThread>,
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public content::WebContentsObserver {
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public:
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FileSelectHelper(content::RenderFrameHost* render_frame_host,
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const content::FileChooserParams::Mode& mode)
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: render_frame_host_(render_frame_host), mode_(mode) {
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auto web_contents = content::WebContents::FromRenderFrameHost(
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render_frame_host);
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content::WebContentsObserver::Observe(web_contents);
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// Add ref that will be released when the dialog is completed
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AddRef();
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}
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void ShowOpenDialog(const file_dialog::DialogSettings& settings) {
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auto callback = base::Bind(&FileSelectHelper::OnOpenDialogDone,
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base::Unretained(this));
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file_dialog::ShowOpenDialog(settings, callback);
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}
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void ShowSaveDialog(const file_dialog::DialogSettings& settings) {
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auto callback = base::Bind(&FileSelectHelper::OnSaveDialogDone,
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base::Unretained(this));
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file_dialog::ShowSaveDialog(settings, callback);
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}
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private:
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void OnOpenDialogDone(bool result, const std::vector<base::FilePath>& paths) {
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std::vector<content::FileChooserFileInfo> file_info;
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if (result) {
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for (auto& path : paths) {
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content::FileChooserFileInfo info;
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info.file_path = path;
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info.display_name = path.BaseName().value();
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file_info.push_back(info);
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}
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if (!paths.empty()) {
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auto browser_context = static_cast<atom::AtomBrowserContext*>(
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render_frame_host_->GetProcess()->GetBrowserContext());
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browser_context->prefs()->SetFilePath(prefs::kSelectFileLastDirectory,
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paths[0].DirName());
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}
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}
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OnFilesSelected(file_info);
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}
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void OnSaveDialogDone(bool result, const base::FilePath& path) {
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std::vector<content::FileChooserFileInfo> file_info;
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if (result) {
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content::FileChooserFileInfo info;
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info.file_path = path;
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info.display_name = path.BaseName().value();
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file_info.push_back(info);
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}
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OnFilesSelected(file_info);
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}
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void OnFilesSelected(
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const std::vector<content::FileChooserFileInfo>& file_info) {
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if (render_frame_host_)
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render_frame_host_->FilesSelectedInChooser(file_info, mode_);
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Release();
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}
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// content::WebContentsObserver:
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void RenderFrameHostChanged(content::RenderFrameHost* old_host,
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content::RenderFrameHost* new_host) override {
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if (old_host == render_frame_host_)
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render_frame_host_ = nullptr;
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}
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// content::WebContentsObserver:
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void RenderFrameDeleted(content::RenderFrameHost* deleted_host) override {
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if (deleted_host == render_frame_host_)
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render_frame_host_ = nullptr;
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}
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// content::WebContentsObserver:
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void WebContentsDestroyed() override {
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render_frame_host_ = nullptr;
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}
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content::RenderFrameHost* render_frame_host_;
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content::FileChooserParams::Mode mode_;
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};
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file_dialog::Filters GetFileTypesFromAcceptType(
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const std::vector<base::string16>& accept_types) {
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file_dialog::Filters filters;
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if (accept_types.empty())
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return filters;
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std::vector<base::FilePath::StringType> extensions;
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for (const auto& accept_type : accept_types) {
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std::string ascii_type = base::UTF16ToASCII(accept_type);
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if (ascii_type[0] == '.') {
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// If the type starts with a period it is assumed to be a file extension,
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// like `.txt`, // so we just have to add it to the list.
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base::FilePath::StringType extension(
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ascii_type.begin(), ascii_type.end());
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// Skip the first character.
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extensions.push_back(extension.substr(1));
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} else {
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// For MIME Type, `audio/*, vidio/*, image/*
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net::GetExtensionsForMimeType(ascii_type, &extensions);
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}
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}
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// If no valid exntesion is added, return empty filters.
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if (extensions.empty())
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return filters;
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filters.push_back(file_dialog::Filter());
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for (const auto& extension : extensions) {
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#if defined(OS_WIN)
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filters[0].second.push_back(base::UTF16ToASCII(extension));
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#else
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filters[0].second.push_back(extension);
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#endif
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}
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return filters;
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}
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} // namespace
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namespace atom {
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WebDialogHelper::WebDialogHelper(NativeWindow* window)
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: window_(window),
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weak_factory_(this) {
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}
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WebDialogHelper::~WebDialogHelper() {
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}
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void WebDialogHelper::RunFileChooser(
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content::RenderFrameHost* render_frame_host,
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const content::FileChooserParams& params) {
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std::vector<content::FileChooserFileInfo> result;
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file_dialog::DialogSettings settings;
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settings.filters = GetFileTypesFromAcceptType(params.accept_types);
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settings.parent_window = window_;
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settings.title = base::UTF16ToUTF8(params.title);
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scoped_refptr<FileSelectHelper> file_select_helper(
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new FileSelectHelper(render_frame_host, params.mode));
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if (params.mode == content::FileChooserParams::Save) {
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settings.default_path = params.default_file_name;
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file_select_helper->ShowSaveDialog(settings);
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} else {
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int flags = file_dialog::FILE_DIALOG_CREATE_DIRECTORY;
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switch (params.mode) {
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case content::FileChooserParams::OpenMultiple:
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flags |= file_dialog::FILE_DIALOG_MULTI_SELECTIONS;
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case content::FileChooserParams::Open:
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flags |= file_dialog::FILE_DIALOG_OPEN_FILE;
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break;
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case content::FileChooserParams::UploadFolder:
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flags |= file_dialog::FILE_DIALOG_OPEN_DIRECTORY;
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break;
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default:
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NOTREACHED();
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}
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AtomBrowserContext* browser_context = static_cast<AtomBrowserContext*>(
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window_->web_contents()->GetBrowserContext());
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settings.default_path = browser_context->prefs()->GetFilePath(
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prefs::kSelectFileLastDirectory).Append(params.default_file_name);
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settings.properties = flags;
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file_select_helper->ShowOpenDialog(settings);
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}
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}
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void WebDialogHelper::EnumerateDirectory(content::WebContents* web_contents,
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int request_id,
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const base::FilePath& dir) {
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int types = base::FileEnumerator::FILES |
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base::FileEnumerator::DIRECTORIES |
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base::FileEnumerator::INCLUDE_DOT_DOT;
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base::FileEnumerator file_enum(dir, false, types);
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base::FilePath path;
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std::vector<base::FilePath> paths;
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while (!(path = file_enum.Next()).empty())
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paths.push_back(path);
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web_contents->GetRenderViewHost()->DirectoryEnumerationFinished(
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request_id, paths);
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}
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} // namespace atom
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