electron/shell/browser/ui/message_box_win.cc
2019-06-19 17:33:28 -07:00

249 lines
8.3 KiB
C++

// Copyright (c) 2013 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/browser/ui/message_box.h"
#include <windows.h> // windows.h must be included first
#include <commctrl.h>
#include <map>
#include <vector>
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task/post_task.h"
#include "base/threading/thread.h"
#include "base/win/scoped_gdi_object.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "shell/browser/browser.h"
#include "shell/browser/native_window_views.h"
#include "shell/browser/unresponsive_suppressor.h"
#include "ui/gfx/icon_util.h"
#include "ui/gfx/image/image_skia.h"
namespace atom {
MessageBoxSettings::MessageBoxSettings() = default;
MessageBoxSettings::MessageBoxSettings(const MessageBoxSettings&) = default;
MessageBoxSettings::~MessageBoxSettings() = default;
namespace {
// Small command ID values are already taken by Windows, we have to start from
// a large number to avoid conflicts with Windows.
const int kIDStart = 100;
// Get the common ID from button's name.
struct CommonButtonID {
int button;
int id;
};
CommonButtonID GetCommonID(const base::string16& button) {
base::string16 lower = base::ToLowerASCII(button);
if (lower == L"ok")
return {TDCBF_OK_BUTTON, IDOK};
else if (lower == L"yes")
return {TDCBF_YES_BUTTON, IDYES};
else if (lower == L"no")
return {TDCBF_NO_BUTTON, IDNO};
else if (lower == L"cancel")
return {TDCBF_CANCEL_BUTTON, IDCANCEL};
else if (lower == L"retry")
return {TDCBF_RETRY_BUTTON, IDRETRY};
else if (lower == L"close")
return {TDCBF_CLOSE_BUTTON, IDCLOSE};
return {-1, -1};
}
// Determine whether the buttons are common buttons, if so map common ID
// to button ID.
void MapToCommonID(const std::vector<base::string16>& buttons,
std::map<int, int>* id_map,
TASKDIALOG_COMMON_BUTTON_FLAGS* button_flags,
std::vector<TASKDIALOG_BUTTON>* dialog_buttons) {
for (size_t i = 0; i < buttons.size(); ++i) {
auto common = GetCommonID(buttons[i]);
if (common.button != -1) {
// It is a common button.
(*id_map)[common.id] = i;
(*button_flags) |= common.button;
} else {
// It is a custom button.
dialog_buttons->push_back(
{static_cast<int>(i + kIDStart), buttons[i].c_str()});
}
}
}
int ShowTaskDialogUTF16(NativeWindow* parent,
MessageBoxType type,
const std::vector<base::string16>& buttons,
int default_id,
int cancel_id,
int options,
const base::string16& title,
const base::string16& message,
const base::string16& detail,
const base::string16& checkbox_label,
bool* checkbox_checked,
const gfx::ImageSkia& icon) {
TASKDIALOG_FLAGS flags =
TDF_SIZE_TO_CONTENT | // Show all content.
TDF_ALLOW_DIALOG_CANCELLATION; // Allow canceling the dialog.
TASKDIALOGCONFIG config = {0};
config.cbSize = sizeof(config);
config.hInstance = GetModuleHandle(NULL);
config.dwFlags = flags;
if (parent) {
config.hwndParent =
static_cast<atom::NativeWindowViews*>(parent)->GetAcceleratedWidget();
}
if (default_id > 0)
config.nDefaultButton = kIDStart + default_id;
// TaskDialogIndirect doesn't allow empty name, if we set empty title it
// will show "electron.exe" in title.
base::string16 app_name = base::UTF8ToUTF16(Browser::Get()->GetName());
if (title.empty())
config.pszWindowTitle = app_name.c_str();
else
config.pszWindowTitle = title.c_str();
base::win::ScopedHICON hicon;
if (!icon.isNull()) {
hicon = IconUtil::CreateHICONFromSkBitmap(*icon.bitmap());
config.dwFlags |= TDF_USE_HICON_MAIN;
config.hMainIcon = hicon.get();
} else {
// Show icon according to dialog's type.
switch (type) {
case MessageBoxType::kInformation:
case MessageBoxType::kQuestion:
config.pszMainIcon = TD_INFORMATION_ICON;
break;
case MessageBoxType::kWarning:
config.pszMainIcon = TD_WARNING_ICON;
break;
case MessageBoxType::kError:
config.pszMainIcon = TD_ERROR_ICON;
break;
case MessageBoxType::kNone:
break;
}
}
// If "detail" is empty then don't make message hilighted.
if (detail.empty()) {
config.pszContent = message.c_str();
} else {
config.pszMainInstruction = message.c_str();
config.pszContent = detail.c_str();
}
if (!checkbox_label.empty()) {
config.pszVerificationText = checkbox_label.c_str();
if (checkbox_checked && *checkbox_checked) {
config.dwFlags |= TDF_VERIFICATION_FLAG_CHECKED;
}
}
// Iterate through the buttons, put common buttons in dwCommonButtons
// and custom buttons in pButtons.
std::map<int, int> id_map;
std::vector<TASKDIALOG_BUTTON> dialog_buttons;
if (options & MESSAGE_BOX_NO_LINK) {
for (size_t i = 0; i < buttons.size(); ++i)
dialog_buttons.push_back(
{static_cast<int>(i + kIDStart), buttons[i].c_str()});
} else {
MapToCommonID(buttons, &id_map, &config.dwCommonButtons, &dialog_buttons);
}
if (dialog_buttons.size() > 0) {
config.pButtons = &dialog_buttons.front();
config.cButtons = dialog_buttons.size();
if (!(options & MESSAGE_BOX_NO_LINK))
config.dwFlags |= TDF_USE_COMMAND_LINKS; // custom buttons as links.
}
int id = 0;
BOOL verificationFlagChecked = FALSE;
TaskDialogIndirect(&config, &id, nullptr, &verificationFlagChecked);
if (checkbox_checked) {
*checkbox_checked = verificationFlagChecked;
}
if (id_map.find(id) != id_map.end()) // common button.
return id_map[id];
else if (id >= kIDStart) // custom button.
return id - kIDStart;
else
return cancel_id;
}
int ShowTaskDialogUTF8(const MessageBoxSettings& settings) {
std::vector<base::string16> utf16_buttons;
for (const auto& button : settings.buttons)
utf16_buttons.push_back(base::UTF8ToUTF16(button));
const base::string16 title_16 = base::UTF8ToUTF16(settings.title);
const base::string16 message_16 = base::UTF8ToUTF16(settings.message);
const base::string16 detail_16 = base::UTF8ToUTF16(settings.detail);
const base::string16 checkbox_label_16 =
base::UTF8ToUTF16(settings.checkbox_label);
bool cb_checked = settings.checkbox_checked;
return ShowTaskDialogUTF16(
settings.parent_window, settings.type, utf16_buttons, settings.default_id,
settings.cancel_id, settings.options, title_16, message_16, detail_16,
checkbox_label_16, &cb_checked, settings.icon);
}
void RunMessageBoxInNewThread(base::Thread* thread,
const MessageBoxSettings& settings,
MessageBoxCallback callback) {
int result = ShowTaskDialogUTF8(settings);
base::PostTaskWithTraits(
FROM_HERE, {content::BrowserThread::UI},
base::BindOnce(std::move(callback), result, settings.checkbox_checked));
content::BrowserThread::DeleteSoon(content::BrowserThread::UI, FROM_HERE,
thread);
}
} // namespace
int ShowMessageBoxSync(const MessageBoxSettings& settings) {
atom::UnresponsiveSuppressor suppressor;
return ShowTaskDialogUTF8(settings);
}
void ShowMessageBox(const MessageBoxSettings& settings,
MessageBoxCallback callback) {
auto thread =
std::make_unique<base::Thread>(ELECTRON_PRODUCT_NAME "MessageBoxThread");
thread->init_com_with_mta(false);
if (!thread->Start()) {
std::move(callback).Run(settings.cancel_id, settings.checkbox_checked);
return;
}
base::Thread* unretained = thread.release();
unretained->task_runner()->PostTask(
FROM_HERE,
base::BindOnce(&RunMessageBoxInNewThread, base::Unretained(unretained),
settings, std::move(callback)));
}
void ShowErrorBox(const base::string16& title, const base::string16& content) {
atom::UnresponsiveSuppressor suppressor;
ShowTaskDialogUTF16(nullptr, MessageBoxType::kError, {}, -1, 0, 0, L"Error",
title, content, L"", nullptr, gfx::ImageSkia());
}
} // namespace atom