cef/libcef/browser/menu_creator_runner_mac.mm

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// Copyright (c) 2012 The Chromium Embedded Framework 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 "libcef/browser/menu_creator_runner_mac.h"
#include "libcef/browser/browser_host_impl.h"
#include "base/message_loop/message_loop.h"
#include "base/compiler_specific.h"
#import "base/mac/scoped_sending_event.h"
#include "content/public/browser/web_contents_view.h"
#import "ui/base/cocoa/menu_controller.h"
CefMenuCreatorRunnerMac::CefMenuCreatorRunnerMac()
: menu_controller_(nil) {
}
CefMenuCreatorRunnerMac::~CefMenuCreatorRunnerMac() {
if (menu_controller_ != nil)
[menu_controller_ release];
}
bool CefMenuCreatorRunnerMac::RunContextMenu(CefMenuCreator* manager) {
// Create a menu controller based on the model.
if (menu_controller_ != nil)
[menu_controller_ release];
menu_controller_ =
[[MenuController alloc] initWithModel:manager->model()
useWithPopUpButtonCell:NO];
NSView* parent_view =
manager->browser()->GetWebContents()->GetView()->GetContentNativeView();
// Synthesize an event for the click, as there is no certainty that
// [NSApp currentEvent] will return a valid event.
NSEvent* currentEvent = [NSApp currentEvent];
NSWindow* window = [parent_view window];
NSPoint position = [window mouseLocationOutsideOfEventStream];
NSTimeInterval eventTime = [currentEvent timestamp];
NSEvent* clickEvent = [NSEvent mouseEventWithType:NSRightMouseDown
location:position
modifierFlags:NSRightMouseDownMask
timestamp:eventTime
windowNumber:[window windowNumber]
context:nil
eventNumber:0
clickCount:1
pressure:1.0];
{
// 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;
// Show the menu. Blocks until the menu is dismissed.
if (manager->browser()->IsWindowRenderingDisabled()) {
// Showing the menu in OSR is pretty much self contained, only using
// the initialized menu_controller_ in this function, and the scoped
// variables in this block.
int screenX = 0, screenY = 0;
CefRefPtr<CefRenderHandler> handler =
manager->browser()->GetClient()->GetRenderHandler();
if (!handler->GetScreenPoint(manager->browser(),
manager->params().x, manager->params().y,
screenX, screenY)) {
return false;
}
// Don't show the menu unless there is a parent native window to tie it to
if (!manager->browser()->GetWindowHandle())
return false;
NSPoint screen_position =
NSPointFromCGPoint(gfx::Point(screenX, screenY).ToCGPoint());
[[menu_controller_ menu] popUpMenuPositioningItem:nil
atLocation:screen_position
inView:nil];
} else {
[NSMenu popUpContextMenu:[menu_controller_ menu]
withEvent:clickEvent
forView:parent_view];
}
}
return true;
}