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// Copyright (c) 2012 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.
#ifndef CONTENT_BROWSER_FRAME_HOST_POPUP_MENU_HELPER_MAC_H_
#define CONTENT_BROWSER_FRAME_HOST_POPUP_MENU_HELPER_MAC_H_
#include <memory>
#include <vector>
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_observer.h"
#include "content/common/content_export.h"
#include "content/public/browser/render_widget_host_observer.h"
#include "ui/gfx/geometry/rect.h"
#ifdef __OBJC__
@class WebMenuRunner;
#else
class WebMenuRunner;
#endif
namespace base {
class ScopedPumpMessagesInPrivateModes;
}
namespace content {
class RenderFrameHost;
class RenderFrameHostImpl;
class RenderWidgetHostViewMac;
struct MenuItem;
class PopupMenuHelper : public RenderWidgetHostObserver {
public:
class Delegate {
public:
virtual void OnMenuClosed() = 0;
};
// Creates a PopupMenuHelper that will notify |render_frame_host| when a user
// selects or cancels the popup. |delegate| is notified when the menu is
// closed.
PopupMenuHelper(Delegate* delegate, RenderFrameHost* render_frame_host);
~PopupMenuHelper() override;
void Hide();
// Shows the popup menu and notifies the RenderFrameHost of the selection/
// cancellation. This call is blocking.
void ShowPopupMenu(const gfx::Rect& bounds,
int item_height,
double item_font_size,
int selected_item,
const std::vector<MenuItem>& items,
bool right_aligned,
bool allow_multiple_selection);
// Immediately return from ShowPopupMenu.
CONTENT_EXPORT static void DontShowPopupMenuForTesting();
protected:
virtual RenderWidgetHostViewMac* GetRenderWidgetHostView() const;
private:
// RenderWidgetHostObserver implementation:
void RenderWidgetHostVisibilityChanged(RenderWidgetHost* widget_host,
bool became_visible) override;
void RenderWidgetHostDestroyed(RenderWidgetHost* widget_host) override;
Delegate* delegate_; // Weak. Owns |this|.
ScopedObserver<RenderWidgetHost, RenderWidgetHostObserver> observer_;
base::WeakPtr<RenderFrameHostImpl> render_frame_host_;
WebMenuRunner* menu_runner_;
bool popup_was_hidden_;
// Controls whether messages can be pumped during the menu fade.
std::unique_ptr<base::ScopedPumpMessagesInPrivateModes> pump_in_fade_;
base::WeakPtrFactory<PopupMenuHelper> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(PopupMenuHelper);
};
} // namespace content
#endif // CONTENT_BROWSER_FRAME_HOST_POPUP_MENU_HELPER_MAC_H_