286 lines
9.8 KiB
C++
286 lines
9.8 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 <utility>
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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 "atom/common/native_mate_converters/callback.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/file_select_listener.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/browser/web_contents_observer.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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using blink::mojom::FileChooserFileInfo;
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using blink::mojom::FileChooserFileInfoPtr;
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using blink::mojom::FileChooserParams;
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namespace {
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class FileSelectHelper : public base::RefCounted<FileSelectHelper>,
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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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std::unique_ptr<content::FileSelectListener> listener,
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blink::mojom::FileChooserParams::Mode mode)
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: render_frame_host_(render_frame_host),
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listener_(std::move(listener)),
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mode_(mode) {
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auto* web_contents =
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content::WebContents::FromRenderFrameHost(render_frame_host);
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content::WebContentsObserver::Observe(web_contents);
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}
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void ShowOpenDialog(const file_dialog::DialogSettings& settings) {
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v8::Isolate* isolate = v8::Isolate::GetCurrent();
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atom::util::Promise promise(isolate);
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file_dialog::ShowOpenDialog(settings, std::move(promise));
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auto callback = base::Bind(&FileSelectHelper::OnOpenDialogDone, this);
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ignore_result(promise.Then(callback));
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}
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void ShowSaveDialog(const file_dialog::DialogSettings& settings) {
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v8::Isolate* isolate = v8::Isolate::GetCurrent();
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v8::Local<v8::Context> context = isolate->GetCurrentContext();
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atom::util::Promise promise(isolate);
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v8::Local<v8::Promise> handle = promise.GetHandle();
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file_dialog::ShowSaveDialog(settings, std::move(promise));
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ignore_result(handle->Then(
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context,
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v8::Local<v8::Function>::Cast(mate::ConvertToV8(
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isolate, base::Bind(&FileSelectHelper::OnSaveDialogDone, this)))));
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}
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private:
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friend class base::RefCounted<FileSelectHelper>;
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~FileSelectHelper() override {}
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#if defined(MAS_BUILD)
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void OnOpenDialogDone(bool result,
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const std::vector<base::FilePath>& paths,
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const std::vector<std::string>& bookmarks)
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#else
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void OnOpenDialogDone(bool result, const std::vector<base::FilePath>& paths)
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#endif
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{
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std::vector<FileChooserFileInfoPtr> file_info;
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if (result) {
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for (auto& path : paths) {
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file_info.push_back(FileChooserFileInfo::NewNativeFile(
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blink::mojom::NativeFileInfo::New(
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path, path.BaseName().AsUTF16Unsafe())));
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}
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if (render_frame_host_ && !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(std::move(file_info));
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}
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#if defined(MAS_BUILD)
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void OnSaveDialogDone(bool result,
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const base::FilePath& path,
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const std::string& bookmark)
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#else
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void OnSaveDialogDone(bool result, const base::FilePath& path)
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#endif
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{
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std::vector<FileChooserFileInfoPtr> file_info;
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if (result) {
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file_info.push_back(
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FileChooserFileInfo::NewNativeFile(blink::mojom::NativeFileInfo::New(
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path, path.BaseName().AsUTF16Unsafe())));
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}
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OnFilesSelected(std::move(file_info));
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}
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void OnFilesSelected(std::vector<FileChooserFileInfoPtr> file_info) {
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if (listener_) {
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listener_->FileSelected(std::move(file_info), base::FilePath(), mode_);
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listener_.reset();
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}
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render_frame_host_ = nullptr;
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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 { render_frame_host_ = nullptr; }
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content::RenderFrameHost* render_frame_host_;
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std::unique_ptr<content::FileSelectListener> listener_;
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blink::mojom::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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int valid_type_count = 0;
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std::string description;
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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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auto old_extension_size = extensions.size();
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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(ascii_type.begin(),
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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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if (ascii_type == "image/*")
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description = "Image Files";
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else if (ascii_type == "audio/*")
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description = "Audio Files";
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else if (ascii_type == "video/*")
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description = "Video Files";
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// For MIME Type, `audio/*, video/*, image/*
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net::GetExtensionsForMimeType(ascii_type, &extensions);
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}
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if (extensions.size() > old_extension_size)
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valid_type_count++;
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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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if (valid_type_count > 1 || (valid_type_count == 1 && description.empty()))
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description = "Custom Files";
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DCHECK(!description.empty());
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filters[0].first = description;
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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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// Allow all files when extension is specified.
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filters.push_back(file_dialog::Filter());
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filters.back().first = "All Files";
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filters.back().second.push_back("*");
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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, bool offscreen)
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: window_(window), offscreen_(offscreen), weak_factory_(this) {}
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WebDialogHelper::~WebDialogHelper() {}
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void WebDialogHelper::RunFileChooser(
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content::RenderFrameHost* render_frame_host,
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std::unique_ptr<content::FileSelectListener> listener,
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const blink::mojom::FileChooserParams& params) {
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file_dialog::DialogSettings settings;
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settings.force_detached = offscreen_;
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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(new FileSelectHelper(
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render_frame_host, std::move(listener), params.mode));
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if (params.mode == FileChooserParams::Mode::kSave) {
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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 FileChooserParams::Mode::kOpenMultiple:
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flags |= file_dialog::FILE_DIALOG_MULTI_SELECTIONS;
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FALLTHROUGH;
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case FileChooserParams::Mode::kOpen:
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flags |= file_dialog::FILE_DIALOG_OPEN_FILE;
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flags |= file_dialog::FILE_DIALOG_TREAT_PACKAGE_APP_AS_DIRECTORY;
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break;
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case FileChooserParams::Mode::kUploadFolder:
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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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auto* browser_context = static_cast<atom::AtomBrowserContext*>(
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render_frame_host->GetProcess()->GetBrowserContext());
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settings.default_path = browser_context->prefs()
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->GetFilePath(prefs::kSelectFileLastDirectory)
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.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(
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content::WebContents* web_contents,
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std::unique_ptr<content::FileSelectListener> listener,
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const base::FilePath& dir) {
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int types = base::FileEnumerator::FILES | 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<FileChooserFileInfoPtr> file_info;
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while (!(path = file_enum.Next()).empty()) {
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file_info.push_back(FileChooserFileInfo::NewNativeFile(
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blink::mojom::NativeFileInfo::New(path, base::string16())));
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}
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listener->FileSelected(std::move(file_info), dir,
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FileChooserParams::Mode::kUploadFolder);
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}
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} // namespace atom
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