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