mirror of
https://bitbucket.org/chromiumembedded/cef
synced 2024-12-14 10:34:29 +01:00
78 lines
2.7 KiB
C++
78 lines
2.7 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_LAYOUT_IMPL_H_
|
|
#define CEF_LIBCEF_BROWSER_VIEWS_LAYOUT_IMPL_H_
|
|
#pragma once
|
|
|
|
#include "include/views/cef_box_layout.h"
|
|
#include "include/views/cef_fill_layout.h"
|
|
#include "include/views/cef_layout.h"
|
|
|
|
#include "libcef/browser/thread_util.h"
|
|
#include "libcef/browser/views/layout_adapter.h"
|
|
#include "libcef/browser/views/layout_util.h"
|
|
|
|
#include "base/logging.h"
|
|
#include "ui/views/layout/layout_manager.h"
|
|
#include "ui/views/view.h"
|
|
|
|
// Base template for implementing CefLayout-derived classes. See comments in
|
|
// view_impl.h for a usage overview.
|
|
template <class ViewsLayoutClass, class CefLayoutClass>
|
|
class CefLayoutImpl : public CefLayoutAdapter, public CefLayoutClass {
|
|
public:
|
|
// Returns the underlying views::LayoutManager object as the derived type.
|
|
// Does not transfer ownership.
|
|
ViewsLayoutClass* layout() const { return layout_ref_; }
|
|
|
|
// Returns the views::View that owns this object.
|
|
views::View* owner_view() const { return owner_view_; }
|
|
|
|
// CefLayoutAdapter methods:
|
|
views::LayoutManager* Get() const override { return layout(); }
|
|
void Detach() override {
|
|
owner_view_ = nullptr;
|
|
layout_ref_ = nullptr;
|
|
}
|
|
|
|
// CefLayout methods. When adding new As*() methods make sure to update
|
|
// CefLayoutAdapter::GetFor() in layout_adapter.cc.
|
|
CefRefPtr<CefBoxLayout> AsBoxLayout() override { return nullptr; }
|
|
CefRefPtr<CefFillLayout> AsFillLayout() override { return nullptr; }
|
|
bool IsValid() override {
|
|
CEF_REQUIRE_UIT_RETURN(false);
|
|
return !!layout_ref_;
|
|
}
|
|
|
|
protected:
|
|
// Create a new implementation object.
|
|
// Always call Initialize() after creation.
|
|
CefLayoutImpl() : layout_ref_(nullptr), owner_view_(nullptr) {}
|
|
|
|
// Initialize this object and assign ownership to |owner_view|.
|
|
void Initialize(views::View* owner_view) {
|
|
DCHECK(owner_view);
|
|
owner_view_ = owner_view;
|
|
layout_ref_ = CreateLayout();
|
|
DCHECK(layout_ref_);
|
|
owner_view->SetLayoutManager(base::WrapUnique(layout_ref_));
|
|
layout_util::Assign(this, owner_view);
|
|
}
|
|
|
|
// Create the views::LayoutManager object.
|
|
virtual ViewsLayoutClass* CreateLayout() = 0;
|
|
|
|
private:
|
|
// Unowned reference to the views::LayoutManager wrapped by this object. Will
|
|
// be nullptr after the views::LayoutManager is destroyed.
|
|
ViewsLayoutClass* layout_ref_;
|
|
|
|
// Unowned reference to the views::View that owns this object. Will be nullptr
|
|
// after the views::LayoutManager is destroyed.
|
|
views::View* owner_view_;
|
|
};
|
|
|
|
#endif // CEF_LIBCEF_BROWSER_VIEWS_LAYOUT_IMPL_H_
|