зеркало из https://github.com/electron/electron.git
92 строки
3.0 KiB
C++
92 строки
3.0 KiB
C++
// Copyright (c) 2014 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/api/electron_api_menu_views.h"
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#include <memory>
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#include <utility>
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#include "shell/browser/native_window_views.h"
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#include "ui/display/screen.h"
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using views::MenuRunner;
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namespace electron::api {
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MenuViews::MenuViews(gin::Arguments* args) : Menu(args) {}
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MenuViews::~MenuViews() = default;
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void MenuViews::PopupAt(BaseWindow* window,
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int x,
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int y,
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int positioning_item,
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ui::MenuSourceType source_type,
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base::OnceClosure callback) {
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auto* native_window = static_cast<NativeWindowViews*>(window->window());
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if (!native_window)
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return;
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// (-1, -1) means showing on mouse location.
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gfx::Point location;
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if (x == -1 || y == -1) {
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location = display::Screen::GetScreen()->GetCursorScreenPoint();
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} else {
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gfx::Point origin = native_window->GetContentBounds().origin();
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location = gfx::Point(origin.x() + x, origin.y() + y);
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}
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int flags = MenuRunner::CONTEXT_MENU | MenuRunner::HAS_MNEMONICS;
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// Make sure the Menu object would not be garbage-collected until the callback
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// has run.
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base::OnceClosure callback_with_ref = BindSelfToClosure(std::move(callback));
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// Show the menu.
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//
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// Note that while views::MenuRunner accepts RepeatingCallback as close
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// callback, it is fine passing OnceCallback to it because we reset the
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// menu runner immediately when the menu is closed.
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int32_t window_id = window->weak_map_id();
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auto close_callback = base::AdaptCallbackForRepeating(
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base::BindOnce(&MenuViews::OnClosed, weak_factory_.GetWeakPtr(),
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window_id, std::move(callback_with_ref)));
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auto& runner = menu_runners_[window_id] =
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std::make_unique<MenuRunner>(model(), flags, std::move(close_callback));
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runner->RunMenuAt(native_window->widget(), nullptr,
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gfx::Rect{location, gfx::Size{}},
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views::MenuAnchorPosition::kTopLeft, source_type);
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}
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void MenuViews::ClosePopupAt(int32_t window_id) {
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if (auto iter = menu_runners_.find(window_id); iter != menu_runners_.end()) {
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// Close the runner for the window.
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iter->second->Cancel();
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return;
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}
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if (window_id == -1) {
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// When -1 is passed in, close all opened runners.
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// Note: `Cancel()` invalidaes iters, so move() to a temp before looping
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auto tmp = std::move(menu_runners_);
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for (auto& [id, runner] : tmp)
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runner->Cancel();
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}
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}
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void MenuViews::OnClosed(int32_t window_id, base::OnceClosure callback) {
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menu_runners_.erase(window_id);
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std::move(callback).Run();
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}
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// static
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gin::Handle<Menu> Menu::New(gin::Arguments* args) {
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auto handle = gin::CreateHandle(args->isolate(),
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static_cast<Menu*>(new MenuViews(args)));
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gin_helper::CallMethod(args->isolate(), handle.get(), "_init");
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return handle;
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}
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} // namespace electron::api
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