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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 <set>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/command_line.h"
#include "base/logging.h"
#include "base/nix/mime_util_xdg.h"
#include "base/nix/xdg_util.h"
#include "base/process/launch.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/thread_restrictions.h"
#include "chrome/browser/ui/libgtk2ui/select_file_dialog_impl.h"
#include "content/public/browser/browser_thread.h"
#include "grit/generated_resources.h"
#include "grit/ui_strings.h"
#include "ui/aura/window_event_dispatcher.h"
#include "ui/base/l10n/l10n_util.h"
// These conflict with base/tracked_objects.h, so need to come last.
#include <gdk/gdkx.h>
#include <gtk/gtk.h>
using content::BrowserThread;
namespace {
std::string GetTitle(const std::string& title, int message_id) {
return title.empty() ? l10n_util::GetStringUTF8(message_id) : title;
}
const char kKdialogBinary[] = "kdialog";
} // namespace
namespace libgtk2ui {
// Implementation of SelectFileDialog that shows a KDE common dialog for
// choosing a file or folder. This acts as a modal dialog.
class SelectFileDialogImplKDE : public SelectFileDialogImpl {
public:
SelectFileDialogImplKDE(Listener* listener,
ui::SelectFilePolicy* policy,
base::nix::DesktopEnvironment desktop);
protected:
virtual ~SelectFileDialogImplKDE();
// SelectFileDialog implementation.
// |params| is user data we pass back via the Listener interface.
virtual void SelectFileImpl(
Type type,
const base::string16& title,
const base::FilePath& default_path,
const FileTypeInfo* file_types,
int file_type_index,
const base::FilePath::StringType& default_extension,
gfx::NativeWindow owning_window,
void* params) OVERRIDE;
private:
virtual bool HasMultipleFileTypeChoicesImpl() OVERRIDE;
struct KDialogParams {
KDialogParams(const std::string& type, const std::string& title,
const base::FilePath& default_path, gfx::NativeWindow parent,
bool file_operation, bool multiple_selection,
void* kdialog_params,
void (SelectFileDialogImplKDE::*callback)(const std::string&,
int, void*))
: type(type), title(title), default_path(default_path), parent(parent),
file_operation(file_operation),
multiple_selection(multiple_selection),
kdialog_params(kdialog_params), callback(callback) {
}
std::string type;
std::string title;
base::FilePath default_path;
gfx::NativeWindow parent;
bool file_operation;
bool multiple_selection;
void* kdialog_params;
void (SelectFileDialogImplKDE::*callback)(const std::string&, int, void*);
};
// Get the filters from |file_types_| and concatenate them into
// |filter_string|.
std::string GetMimeTypeFilterString();
// Get KDialog command line representing the Argv array for KDialog.
void GetKDialogCommandLine(const std::string& type, const std::string& title,
const base::FilePath& default_path, gfx::NativeWindow parent,
bool file_operation, bool multiple_selection, CommandLine* command_line);
// Call KDialog on the FILE thread and post results back to the UI thread.
void CallKDialogOutput(const KDialogParams& params);
// Notifies the listener that a single file was chosen.
void FileSelected(const base::FilePath& path, void* params);
// Notifies the listener that multiple files were chosen.
void MultiFilesSelected(const std::vector<base::FilePath>& files,
void* params);
// Notifies the listener that no file was chosen (the action was canceled).
// Dialog is passed so we can find that |params| pointer that was passed to
// us when we were told to show the dialog.
void FileNotSelected(void *params);
void CreateSelectFolderDialog(Type type,
const std::string& title,
const base::FilePath& default_path,
gfx::NativeWindow parent, void* params);
void CreateFileOpenDialog(const std::string& title,
const base::FilePath& default_path,
gfx::NativeWindow parent, void* params);
void CreateMultiFileOpenDialog(const std::string& title,
const base::FilePath& default_path,
gfx::NativeWindow parent, void* params);
void CreateSaveAsDialog(const std::string& title,
const base::FilePath& default_path,
gfx::NativeWindow parent, void* params);
// Common function for OnSelectSingleFileDialogResponse and
// OnSelectSingleFolderDialogResponse.
void SelectSingleFileHelper(const std::string& output, int exit_code,
void* params, bool allow_folder);
void OnSelectSingleFileDialogResponse(const std::string& output,
int exit_code, void* params);
void OnSelectMultiFileDialogResponse(const std::string& output,
int exit_code, void* params);
void OnSelectSingleFolderDialogResponse(const std::string& output,
int exit_code, void* params);
// Should be either DESKTOP_ENVIRONMENT_KDE3 or DESKTOP_ENVIRONMENT_KDE4.
base::nix::DesktopEnvironment desktop_;
DISALLOW_COPY_AND_ASSIGN(SelectFileDialogImplKDE);
};
// static
bool SelectFileDialogImpl::CheckKDEDialogWorksOnUIThread() {
// No choice. UI thread can't continue without an answer here. Fortunately we
// only do this once, the first time a file dialog is displayed.
base::ThreadRestrictions::ScopedAllowIO allow_io;
CommandLine::StringVector cmd_vector;
cmd_vector.push_back(kKdialogBinary);
cmd_vector.push_back("--version");
CommandLine command_line(cmd_vector);
std::string dummy;
return base::GetAppOutput(command_line, &dummy);
}
// static
SelectFileDialogImpl* SelectFileDialogImpl::NewSelectFileDialogImplKDE(
Listener* listener,
ui::SelectFilePolicy* policy,
base::nix::DesktopEnvironment desktop) {
return new SelectFileDialogImplKDE(listener, policy, desktop);
}
SelectFileDialogImplKDE::SelectFileDialogImplKDE(
Listener* listener,
ui::SelectFilePolicy* policy,
base::nix::DesktopEnvironment desktop)
: SelectFileDialogImpl(listener, policy),
desktop_(desktop) {
DCHECK(desktop_ == base::nix::DESKTOP_ENVIRONMENT_KDE3 ||
desktop_ == base::nix::DESKTOP_ENVIRONMENT_KDE4);
}
SelectFileDialogImplKDE::~SelectFileDialogImplKDE() {
}
// We ignore |default_extension|.
void SelectFileDialogImplKDE::SelectFileImpl(
Type type,
const base::string16& title,
const base::FilePath& default_path,
const FileTypeInfo* file_types,
int file_type_index,
const base::FilePath::StringType& default_extension,
gfx::NativeWindow owning_window,
void* params) {
type_ = type;
// |owning_window| can be null when user right-clicks on a downloadable item
// and chooses 'Open Link in New Tab' when 'Ask where to save each file
// before downloading.' preference is turned on. (http://crbug.com/29213)
if (owning_window)
parents_.insert(owning_window);
std::string title_string = base::UTF16ToUTF8(title);
file_type_index_ = file_type_index;
if (file_types)
file_types_ = *file_types;
else
file_types_.include_all_files = true;
switch (type) {
case SELECT_FOLDER:
case SELECT_UPLOAD_FOLDER:
CreateSelectFolderDialog(type, title_string, default_path,
owning_window, params);
return;
case SELECT_OPEN_FILE:
CreateFileOpenDialog(title_string, default_path, owning_window,
params);
return;
case SELECT_OPEN_MULTI_FILE:
CreateMultiFileOpenDialog(title_string, default_path,
owning_window, params);
return;
case SELECT_SAVEAS_FILE:
CreateSaveAsDialog(title_string, default_path, owning_window,
params);
return;
default:
NOTREACHED();
return;
}
}
bool SelectFileDialogImplKDE::HasMultipleFileTypeChoicesImpl() {
return file_types_.extensions.size() > 1;
}
std::string SelectFileDialogImplKDE::GetMimeTypeFilterString() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
std::string filter_string;
// We need a filter set because the same mime type can appear multiple times.
std::set<std::string> filter_set;
for (size_t i = 0; i < file_types_.extensions.size(); ++i) {
for (size_t j = 0; j < file_types_.extensions[i].size(); ++j) {
if (!file_types_.extensions[i][j].empty()) {
std::string mime_type = base::nix::GetFileMimeType(base::FilePath(
"name").ReplaceExtension(file_types_.extensions[i][j]));
filter_set.insert(mime_type);
}
}
}
// Add the *.* filter, but only if we have added other filters (otherwise it
// is implied).
if (file_types_.include_all_files && !file_types_.extensions.empty())
filter_set.insert("application/octet-stream");
// Create the final output string.
filter_string.clear();
for (std::set<std::string>::iterator it = filter_set.begin();
it != filter_set.end(); ++it) {
filter_string.append(*it + " ");
}
return filter_string;
}
void SelectFileDialogImplKDE::CallKDialogOutput(const KDialogParams& params) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
CommandLine::StringVector cmd_vector;
cmd_vector.push_back(kKdialogBinary);
CommandLine command_line(cmd_vector);
GetKDialogCommandLine(params.type, params.title, params.default_path,
params.parent, params.file_operation,
params.multiple_selection, &command_line);
std::string output;
int exit_code;
// Get output from KDialog
base::GetAppOutputWithExitCode(command_line, &output, &exit_code);
if (!output.empty())
output.erase(output.size() - 1);
// Now the dialog is no longer showing. We can erase its parent from the
// parent set.
// TODO(erg): FIX THIS.
// std::set<GtkWindow*>::iterator iter = parents_.find(params.parent);
// if (iter != parents_.end())
// parents_.erase(iter);
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(params.callback, this, output, exit_code,
params.kdialog_params));
}
void SelectFileDialogImplKDE::GetKDialogCommandLine(const std::string& type,
const std::string& title, const base::FilePath& path,
gfx::NativeWindow parent, bool file_operation, bool multiple_selection,
CommandLine* command_line) {
CHECK(command_line);
// Attach to the current Chrome window.
int window_id = parent->GetHost()->GetAcceleratedWidget();
command_line->AppendSwitchNative(
desktop_ == base::nix::DESKTOP_ENVIRONMENT_KDE3 ? "--embed" : "--attach",
base::IntToString(window_id));
// Set the correct title for the dialog.
if (!title.empty())
command_line->AppendSwitchNative("--title", title);
// Enable multiple file selection if we need to.
if (multiple_selection) {
command_line->AppendSwitch("--multiple");
command_line->AppendSwitch("--separate-output");
}
command_line->AppendSwitch(type);
// The path should never be empty. If it is, set it to PWD.
if (path.empty())
command_line->AppendArgPath(base::FilePath("."));
else
command_line->AppendArgPath(path);
// Depending on the type of the operation we need, get the path to the
// file/folder and set up mime type filters.
if (file_operation)
command_line->AppendArg(GetMimeTypeFilterString());
VLOG(1) << "KDialog command line: " << command_line->GetCommandLineString();
}
void SelectFileDialogImplKDE::FileSelected(const base::FilePath& path,
void* params) {
if (type_ == SELECT_SAVEAS_FILE)
*last_saved_path_ = path.DirName();
else if (type_ == SELECT_OPEN_FILE)
*last_opened_path_ = path.DirName();
else if (type_ == SELECT_FOLDER)
*last_opened_path_ = path;
else
NOTREACHED();
if (listener_) { // What does the filter index actually do?
// TODO(dfilimon): Get a reasonable index value from somewhere.
listener_->FileSelected(path, 1, params);
}
}
void SelectFileDialogImplKDE::MultiFilesSelected(
const std::vector<base::FilePath>& files, void* params) {
*last_opened_path_ = files[0].DirName();
if (listener_)
listener_->MultiFilesSelected(files, params);
}
void SelectFileDialogImplKDE::FileNotSelected(void* params) {
if (listener_)
listener_->FileSelectionCanceled(params);
}
void SelectFileDialogImplKDE::CreateSelectFolderDialog(
Type type, const std::string& title, const base::FilePath& default_path,
gfx::NativeWindow parent, void *params) {
int title_message_id = (type == SELECT_UPLOAD_FOLDER)
? IDS_SELECT_UPLOAD_FOLDER_DIALOG_TITLE
: IDS_SELECT_FOLDER_DIALOG_TITLE;
BrowserThread::PostTask(
BrowserThread::FILE, FROM_HERE,
base::Bind(
&SelectFileDialogImplKDE::CallKDialogOutput,
this,
KDialogParams(
"--getexistingdirectory",
GetTitle(title, title_message_id),
default_path.empty() ? *last_opened_path_ : default_path,
parent, false, false, params,
&SelectFileDialogImplKDE::OnSelectSingleFolderDialogResponse)));
}
void SelectFileDialogImplKDE::CreateFileOpenDialog(
const std::string& title, const base::FilePath& default_path,
gfx::NativeWindow parent, void* params) {
BrowserThread::PostTask(
BrowserThread::FILE, FROM_HERE,
base::Bind(
&SelectFileDialogImplKDE::CallKDialogOutput,
this,
KDialogParams(
"--getopenfilename",
GetTitle(title, IDS_OPEN_FILE_DIALOG_TITLE),
default_path.empty() ? *last_opened_path_ : default_path,
parent, true, false, params,
&SelectFileDialogImplKDE::OnSelectSingleFileDialogResponse)));
}
void SelectFileDialogImplKDE::CreateMultiFileOpenDialog(
const std::string& title, const base::FilePath& default_path,
gfx::NativeWindow parent, void* params) {
BrowserThread::PostTask(
BrowserThread::FILE, FROM_HERE,
base::Bind(
&SelectFileDialogImplKDE::CallKDialogOutput,
this,
KDialogParams(
"--getopenfilename",
GetTitle(title, IDS_OPEN_FILES_DIALOG_TITLE),
default_path.empty() ? *last_opened_path_ : default_path,
parent, true, true, params,
&SelectFileDialogImplKDE::OnSelectMultiFileDialogResponse)));
}
void SelectFileDialogImplKDE::CreateSaveAsDialog(
const std::string& title, const base::FilePath& default_path,
gfx::NativeWindow parent, void* params) {
BrowserThread::PostTask(
BrowserThread::FILE, FROM_HERE,
base::Bind(
&SelectFileDialogImplKDE::CallKDialogOutput,
this,
KDialogParams(
"--getsavefilename",
GetTitle(title, IDS_SAVE_AS_DIALOG_TITLE),
default_path.empty() ? *last_saved_path_ : default_path,
parent, true, false, params,
&SelectFileDialogImplKDE::OnSelectSingleFileDialogResponse)));
}
void SelectFileDialogImplKDE::SelectSingleFileHelper(const std::string& output,
int exit_code, void* params, bool allow_folder) {
VLOG(1) << "[kdialog] SingleFileResponse: " << output;
if (exit_code != 0 || output.empty()) {
FileNotSelected(params);
return;
}
base::FilePath path(output);
if (allow_folder) {
FileSelected(path, params);
return;
}
if (CallDirectoryExistsOnUIThread(path))
FileNotSelected(params);
else
FileSelected(path, params);
}
void SelectFileDialogImplKDE::OnSelectSingleFileDialogResponse(
const std::string& output, int exit_code, void* params) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
SelectSingleFileHelper(output, exit_code, params, false);
}
void SelectFileDialogImplKDE::OnSelectSingleFolderDialogResponse(
const std::string& output, int exit_code, void* params) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
SelectSingleFileHelper(output, exit_code, params, true);
}
void SelectFileDialogImplKDE::OnSelectMultiFileDialogResponse(
const std::string& output, int exit_code, void* params) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
VLOG(1) << "[kdialog] MultiFileResponse: " << output;
if (exit_code != 0 || output.empty()) {
FileNotSelected(params);
return;
}
std::vector<std::string> filenames;
Tokenize(output, "\n", &filenames);
std::vector<base::FilePath> filenames_fp;
for (std::vector<std::string>::iterator iter = filenames.begin();
iter != filenames.end(); ++iter) {
base::FilePath path(*iter);
if (CallDirectoryExistsOnUIThread(path))
continue;
filenames_fp.push_back(path);
}
if (filenames_fp.empty()) {
FileNotSelected(params);
return;
}
MultiFilesSelected(filenames_fp, params);
}
} // namespace libgtk2ui
|