MacViews: Run native Cocoa context menus to support Services.

ui/views/controls/menu/menu_runner_impl_cocoa.mm

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#import "ui/views/controls/menu/menu_runner_impl_cocoa.h"
+
+#import "ui/base/cocoa/menu_controller.h"
+#include "ui/events/event_utils.h"
+#include "ui/gfx/geometry/rect.h"
+#include "ui/views/controls/menu/menu_runner_impl_adapter.h"
+
+namespace views {
+namespace internal {
+
+// static
+MenuRunnerImplInterface* MenuRunnerImplInterface::Create(
+    ui::MenuModel* menu_model,
+    int32 run_types) {
+  if ((run_types & MenuRunner::CONTEXT_MENU) != 0 &&
+      (run_types & MenuRunner::IS_NESTED) == 0) {
+    return new MenuRunnerImplCocoa(menu_model);
+  }
+
+  return new MenuRunnerImplAdapter(menu_model);
+}
+
+MenuItemView* MenuRunnerImplCocoa::GetMenu() const {
+  return NULL;
+}
+
+MenuRunnerImplCocoa::MenuRunnerImplCocoa(ui::MenuModel* menu)
+    : delete_after_run_(false), closing_event_time_(base::TimeDelta()) {
+  menu_controller_.reset(
+      [[MenuController alloc] initWithModel:menu useWithPopUpButtonCell:NO]);
+}
+
+bool MenuRunnerImplCocoa::IsRunning() const {
+  return [menu_controller_ isMenuOpen];
+}
+
+void MenuRunnerImplCocoa::Release() {
+  if (IsRunning()) {
+    if (delete_after_run_)
+      return;  // We already canceled.
+
+    delete_after_run_ = true;
+    [menu_controller_ cancel];
+  } else {
+    delete this;
+  }
+}
+
+MenuRunner::RunResult MenuRunnerImplCocoa::RunMenuAt(Widget* parent,
+                                                     MenuButton* button,
+                                                     const gfx::Rect& bounds,
+                                                     MenuAnchorPosition anchor,
+                                                     int32 run_types) {
+  DCHECK(run_types & MenuRunner::CONTEXT_MENU);
+  DCHECK(!IsRunning());
+  closing_event_time_ = base::TimeDelta();
+  [NSMenu popUpContextMenu:[menu_controller_ menu]
+                 withEvent:[NSApp currentEvent]
+                   forView:nil];
+  closing_event_time_ = ui::EventTimeForNow();
+
+  if (delete_after_run_) {
+    delete this;
+    return MenuRunner::MENU_DELETED;
+  }
+
+  return MenuRunner::NORMAL_EXIT;
+}
+
+void MenuRunnerImplCocoa::Cancel() {
+  [menu_controller_ cancel];
+}
+
+base::TimeDelta MenuRunnerImplCocoa::GetClosingEventTime() const {
+  return closing_event_time_;
+}
+
+MenuRunnerImplCocoa::~MenuRunnerImplCocoa() {
+}
+
+}  // namespace internal
+}  // namespace views