electron/atom/browser/api/atom_api_menu_mac.mm
2017-11-27 17:26:22 +09:00

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// Copyright (c) 2013 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#import "atom/browser/api/atom_api_menu_mac.h"
#include "atom/browser/native_window.h"
#include "atom/browser/unresponsive_suppressor.h"
#include "base/mac/scoped_sending_event.h"
#include "base/message_loop/message_loop.h"
#include "base/strings/sys_string_conversions.h"
#include "brightray/browser/inspectable_web_contents.h"
#include "brightray/browser/inspectable_web_contents_view.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/web_contents.h"
#include "atom/common/node_includes.h"
using content::BrowserThread;
namespace atom {
namespace api {
MenuMac::MenuMac(v8::Isolate* isolate, v8::Local<v8::Object> wrapper)
: Menu(isolate, wrapper),
weak_factory_(this) {
}
void MenuMac::PopupAt(
Window* window, int x, int y, int positioning_item, bool async) {
NativeWindow* native_window = window->window();
if (!native_window)
return;
auto popup = base::Bind(&MenuMac::PopupOnUI, weak_factory_.GetWeakPtr(),
native_window->GetWeakPtr(), window->ID(), x, y,
positioning_item, async);
if (async)
BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, popup);
else
popup.Run();
}
void MenuMac::PopupOnUI(const base::WeakPtr<NativeWindow>& native_window,
int32_t window_id, int x, int y, int positioning_item,
bool async) {
if (!native_window)
return;
brightray::InspectableWebContents* web_contents =
native_window->inspectable_web_contents();
if (!web_contents)
return;
auto close_callback = base::Bind(&MenuMac::ClosePopupAt,
weak_factory_.GetWeakPtr(), window_id);
popup_controllers_[window_id] = base::scoped_nsobject<AtomMenuController>(
[[AtomMenuController alloc] initWithModel:model()
useDefaultAccelerator:NO]);
NSMenu* menu = [popup_controllers_[window_id] menu];
NSView* view = web_contents->GetView()->GetNativeView();
// Which menu item to show.
NSMenuItem* item = nil;
if (positioning_item < [menu numberOfItems] && positioning_item >= 0)
item = [menu itemAtIndex:positioning_item];
// (-1, -1) means showing on mouse location.
NSPoint position;
if (x == -1 || y == -1) {
NSWindow* nswindow = native_window->GetNativeWindow();
position = [view convertPoint:[nswindow mouseLocationOutsideOfEventStream]
fromView:nil];
} else {
position = NSMakePoint(x, [view frame].size.height - y);
}
// If no preferred item is specified, try to show all of the menu items.
if (!positioning_item) {
CGFloat windowBottom = CGRectGetMinY([view window].frame);
CGFloat lowestMenuPoint = windowBottom + position.y - [menu size].height;
CGFloat screenBottom = CGRectGetMinY([view window].screen.frame);
CGFloat distanceFromBottom = lowestMenuPoint - screenBottom;
if (distanceFromBottom < 0)
position.y = position.y - distanceFromBottom + 4;
}
// Place the menu left of cursor if it is overflowing off right of screen.
CGFloat windowLeft = CGRectGetMinX([view window].frame);
CGFloat rightmostMenuPoint = windowLeft + position.x + [menu size].width;
CGFloat screenRight = CGRectGetMaxX([view window].screen.frame);
if (rightmostMenuPoint > screenRight)
position.x = position.x - [menu size].width;
if (async) {
[popup_controllers_[window_id] setCloseCallback:close_callback];
// Make sure events can be pumped while the menu is up.
base::MessageLoop::ScopedNestableTaskAllower allow(
base::MessageLoop::current());
// One of the events that could be pumped is |window.close()|.
// User-initiated event-tracking loops protect against this by
// setting flags in -[CrApplication sendEvent:], but since
// web-content menus are initiated by IPC message the setup has to
// be done manually.
base::mac::ScopedSendingEvent sendingEventScoper;
// Don't emit unresponsive event when showing menu.
atom::UnresponsiveSuppressor suppressor;
[menu popUpMenuPositioningItem:item atLocation:position inView:view];
} else {
// Don't emit unresponsive event when showing menu.
atom::UnresponsiveSuppressor suppressor;
[menu popUpMenuPositioningItem:item atLocation:position inView:view];
close_callback.Run();
}
}
void MenuMac::ClosePopupAt(int32_t window_id) {
popup_controllers_.erase(window_id);
}
// static
void Menu::SetApplicationMenu(Menu* base_menu) {
MenuMac* menu = static_cast<MenuMac*>(base_menu);
base::scoped_nsobject<AtomMenuController> menu_controller(
[[AtomMenuController alloc] initWithModel:menu->model_.get()
useDefaultAccelerator:YES]);
[NSApp setMainMenu:[menu_controller menu]];
// Ensure the menu_controller_ is destroyed after main menu is set.
menu_controller.swap(menu->menu_controller_);
}
// static
void Menu::SendActionToFirstResponder(const std::string& action) {
SEL selector = NSSelectorFromString(base::SysUTF8ToNSString(action));
[NSApp sendAction:selector to:nil from:[NSApp mainMenu]];
}
// static
void Menu::NoteNewRecentDocumentURL(const std::string& url) {
[[NSDocumentController sharedDocumentController]
noteNewRecentDocumentURL:
[NSURL fileURLWithPath:base::SysUTF8ToNSString(url)]];
}
// static
mate::WrappableBase* Menu::New(mate::Arguments* args) {
return new MenuMac(args->isolate(), args->GetThis());
}
} // namespace api
} // namespace atom