cef/libcef/browser/devtools/devtools_file_manager.cc

205 lines
7.3 KiB
C++

// Copyright 2019 The Chromium Embedded Framework Authors. Portions copyright
// 2013 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 "libcef/browser/devtools/devtools_file_manager.h"
#include "libcef/browser/browser_host_impl.h"
#include "base/bind.h"
#include "base/callback.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/json/json_writer.h"
#include "base/lazy_instance.h"
#include "base/path_service.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task/post_task.h"
#include "base/threading/sequenced_task_runner_handle.h"
#include "base/value_conversions.h"
#include "base/values.h"
#include "chrome/common/pref_names.h"
#include "components/prefs/scoped_user_pref_update.h"
#include "content/public/browser/web_contents.h"
namespace {
base::LazyInstance<base::FilePath>::Leaky g_last_save_path =
LAZY_INSTANCE_INITIALIZER;
void WriteToFile(const base::FilePath& path, const std::string& content) {
DCHECK(!path.empty());
base::WriteFile(path, content.c_str(), content.length());
}
void AppendToFile(const base::FilePath& path, const std::string& content) {
DCHECK(!path.empty());
base::AppendToFile(path, content.c_str(), content.size());
}
} // namespace
CefDevToolsFileManager::CefDevToolsFileManager(CefBrowserHostImpl* browser_impl,
PrefService* prefs)
: browser_impl_(browser_impl),
prefs_(prefs),
file_task_runner_(base::CreateSequencedTaskRunner(
{base::ThreadPool(), base::MayBlock()})),
weak_factory_(this) {}
void CefDevToolsFileManager::SaveToFile(const std::string& url,
const std::string& content,
bool save_as) {
Save(url, content, save_as,
base::Bind(&CefDevToolsFileManager::FileSavedAs,
weak_factory_.GetWeakPtr(), url),
base::Bind(&CefDevToolsFileManager::CanceledFileSaveAs,
weak_factory_.GetWeakPtr(), url));
}
void CefDevToolsFileManager::AppendToFile(const std::string& url,
const std::string& content) {
Append(url, content,
base::Bind(&CefDevToolsFileManager::AppendedTo,
weak_factory_.GetWeakPtr(), url));
}
void CefDevToolsFileManager::Save(const std::string& url,
const std::string& content,
bool save_as,
const SaveCallback& saveCallback,
const CancelCallback& cancelCallback) {
auto it = saved_files_.find(url);
if (it != saved_files_.end() && !save_as) {
SaveAsFileSelected(url, content, saveCallback, it->second);
return;
}
const base::DictionaryValue* file_map =
prefs_->GetDictionary(prefs::kDevToolsEditedFiles);
base::FilePath initial_path;
const base::Value* path_value;
if (file_map->Get(base::MD5String(url), &path_value)) {
// Ignore base::GetValueAsFilePath() failure since we handle empty
// |initial_path| below.
ignore_result(base::GetValueAsFilePath(*path_value, &initial_path));
}
if (initial_path.empty()) {
GURL gurl(url);
std::string suggested_file_name =
gurl.is_valid() ? gurl.ExtractFileName() : url;
if (suggested_file_name.length() > 64)
suggested_file_name = suggested_file_name.substr(0, 64);
if (!g_last_save_path.Pointer()->empty()) {
initial_path = g_last_save_path.Pointer()->DirName().AppendASCII(
suggested_file_name);
} else {
// Use the temp directory. It may be an empty value.
base::PathService::Get(base::DIR_TEMP, &initial_path);
initial_path = initial_path.AppendASCII(suggested_file_name);
}
}
CefFileDialogRunner::FileChooserParams params;
params.mode = blink::mojom::FileChooserParams::Mode::kSave;
if (!initial_path.empty()) {
params.default_file_name = initial_path;
if (!initial_path.Extension().empty()) {
params.accept_types.push_back(CefString(initial_path.Extension()));
}
}
browser_impl_->RunFileChooser(
params, base::Bind(&CefDevToolsFileManager::SaveAsDialogDismissed,
weak_factory_.GetWeakPtr(), url, content, saveCallback,
cancelCallback));
}
void CefDevToolsFileManager::SaveAsDialogDismissed(
const std::string& url,
const std::string& content,
const SaveCallback& saveCallback,
const CancelCallback& cancelCallback,
int selected_accept_filter,
const std::vector<base::FilePath>& file_paths) {
if (file_paths.size() == 1) {
SaveAsFileSelected(url, content, saveCallback, file_paths[0]);
} else {
cancelCallback.Run();
}
}
void CefDevToolsFileManager::SaveAsFileSelected(const std::string& url,
const std::string& content,
const SaveCallback& callback,
const base::FilePath& path) {
*g_last_save_path.Pointer() = path;
saved_files_[url] = path;
DictionaryPrefUpdate update(prefs_, prefs::kDevToolsEditedFiles);
base::DictionaryValue* files_map = update.Get();
files_map->SetKey(base::MD5String(url), base::CreateFilePathValue(path));
std::string file_system_path = path.AsUTF8Unsafe();
callback.Run(file_system_path);
file_task_runner_->PostTask(FROM_HERE,
base::BindOnce(&::WriteToFile, path, content));
}
void CefDevToolsFileManager::FileSavedAs(const std::string& url,
const std::string& file_system_path) {
base::Value url_value(url);
base::Value file_system_path_value(file_system_path);
CallClientFunction("DevToolsAPI.savedURL", &url_value,
&file_system_path_value, nullptr);
}
void CefDevToolsFileManager::CanceledFileSaveAs(const std::string& url) {
base::Value url_value(url);
CallClientFunction("DevToolsAPI.canceledSaveURL", &url_value, nullptr,
nullptr);
}
void CefDevToolsFileManager::Append(const std::string& url,
const std::string& content,
const AppendCallback& callback) {
auto it = saved_files_.find(url);
if (it == saved_files_.end())
return;
callback.Run();
file_task_runner_->PostTask(
FROM_HERE, base::BindOnce(&::AppendToFile, it->second, content));
}
void CefDevToolsFileManager::AppendedTo(const std::string& url) {
base::Value url_value(url);
CallClientFunction("DevToolsAPI.appendedToURL", &url_value, nullptr, nullptr);
}
void CefDevToolsFileManager::CallClientFunction(
const std::string& function_name,
const base::Value* arg1,
const base::Value* arg2,
const base::Value* arg3) {
std::string javascript = function_name + "(";
if (arg1) {
std::string json;
base::JSONWriter::Write(*arg1, &json);
javascript.append(json);
if (arg2) {
base::JSONWriter::Write(*arg2, &json);
javascript.append(", ").append(json);
if (arg3) {
base::JSONWriter::Write(*arg3, &json);
javascript.append(", ").append(json);
}
}
}
javascript.append(");");
browser_impl_->web_contents()->GetMainFrame()->ExecuteJavaScript(
base::UTF8ToUTF16(javascript), base::NullCallback());
}