cef/libcef/browser/views/button_view.h

54 lines
1.8 KiB
C++

// Copyright 2016 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.
#ifndef CEF_LIBCEF_BROWSER_VIEWS_BUTTON_VIEW_H_
#define CEF_LIBCEF_BROWSER_VIEWS_BUTTON_VIEW_H_
#pragma once
#include "include/views/cef_button_delegate.h"
#include "libcef/browser/thread_util.h"
#include "libcef/browser/views/view_view.h"
#include "base/logging.h"
#include "ui/views/controls/button/custom_button.h"
// Helpers for template boiler-plate.
#define CEF_BUTTON_VIEW_T CEF_VIEW_VIEW_T
#define CEF_BUTTON_VIEW_A CEF_VIEW_VIEW_A
#define CEF_BUTTON_VIEW_D CefButtonView<CEF_BUTTON_VIEW_A>
// Template for implementing views::CustomButton-derived classes. The
// views::CustomButton-derived type passed to this template must extend
// views::ButtonListener (for example, see LabelButtonEx from
// basic_label_button_view.h). See comments in view_impl.h for a usage overview.
CEF_BUTTON_VIEW_T class CefButtonView : public CEF_VIEW_VIEW_D {
public:
typedef CEF_VIEW_VIEW_D ParentClass;
// |cef_delegate| may be nullptr.
explicit CefButtonView(CefViewDelegateClass* cef_delegate)
: ParentClass(cef_delegate) {
}
// Returns the CefButton associated with this view. See comments on
// CefViewView::GetCefView.
CefRefPtr<CefButton> GetCefButton() const {
CefRefPtr<CefButton> button = ParentClass::GetCefView()->AsButton();
DCHECK(button);
return button;
}
// views::ButtonListener methods:
void ButtonPressed(views::Button* sender, const ui::Event& event) override;
};
CEF_BUTTON_VIEW_T void CEF_BUTTON_VIEW_D::ButtonPressed(
views::Button* sender, const ui::Event& event) {
if (ParentClass::cef_delegate())
ParentClass::cef_delegate()->OnButtonPressed(GetCefButton());
}
#endif // CEF_LIBCEF_BROWSER_VIEWS_BUTTON_VIEW_H_