cef/libcef/browser/views/scroll_view_impl.cc

92 lines
2.9 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.
#include "libcef/browser/views/scroll_view_impl.h"
// static
CefRefPtr<CefScrollView> CefScrollView::CreateScrollView(
CefRefPtr<CefViewDelegate> delegate) {
return CefScrollViewImpl::Create(delegate);
}
// static
CefRefPtr<CefScrollViewImpl> CefScrollViewImpl::Create(
CefRefPtr<CefViewDelegate> delegate) {
CEF_REQUIRE_UIT_RETURN(nullptr);
CefRefPtr<CefScrollViewImpl> view = new CefScrollViewImpl(delegate);
view->Initialize();
return view;
}
void CefScrollViewImpl::SetContentView(CefRefPtr<CefView> view) {
CEF_REQUIRE_VALID_RETURN_VOID();
DCHECK(view.get());
DCHECK(view->IsValid());
DCHECK(!view->IsAttached());
if (!view.get() || !view->IsValid() || view->IsAttached()) {
return;
}
root_view()->SetContents(view_util::PassOwnership(view));
}
CefRefPtr<CefView> CefScrollViewImpl::GetContentView() {
CEF_REQUIRE_VALID_RETURN(nullptr);
return view_util::GetFor(root_view()->contents(), false);
}
CefRect CefScrollViewImpl::GetVisibleContentRect() {
CEF_REQUIRE_VALID_RETURN(CefRect());
const gfx::Rect& rect = root_view()->GetVisibleRect();
return CefRect(rect.x(), rect.y(), rect.width(), rect.height());
}
bool CefScrollViewImpl::HasHorizontalScrollbar() {
CEF_REQUIRE_VALID_RETURN(false);
const views::ScrollBar* scrollbar = root_view()->horizontal_scroll_bar();
return scrollbar && scrollbar->GetVisible();
}
int CefScrollViewImpl::GetHorizontalScrollbarHeight() {
CEF_REQUIRE_VALID_RETURN(0);
return root_view()->GetScrollBarLayoutHeight();
}
bool CefScrollViewImpl::HasVerticalScrollbar() {
CEF_REQUIRE_VALID_RETURN(false);
const views::ScrollBar* scrollbar = root_view()->vertical_scroll_bar();
return scrollbar && scrollbar->GetVisible();
}
int CefScrollViewImpl::GetVerticalScrollbarWidth() {
CEF_REQUIRE_VALID_RETURN(0);
return root_view()->GetScrollBarLayoutWidth();
}
void CefScrollViewImpl::GetDebugInfo(base::DictionaryValue* info,
bool include_children) {
ParentClass::GetDebugInfo(info, include_children);
if (include_children) {
views::View* view = root_view()->contents();
CefViewAdapter* adapter = CefViewAdapter::GetFor(view);
if (adapter) {
std::unique_ptr<base::DictionaryValue> child_info(
new base::DictionaryValue());
adapter->GetDebugInfo(child_info.get(), include_children);
info->Set("content_view", std::move(child_info));
}
}
}
CefScrollViewImpl::CefScrollViewImpl(CefRefPtr<CefViewDelegate> delegate)
: ParentClass(delegate) {}
CefScrollViewView* CefScrollViewImpl::CreateRootView() {
return new CefScrollViewView(delegate());
}
void CefScrollViewImpl::InitializeRootView() {
static_cast<CefScrollViewView*>(root_view())->Initialize();
}