cef/libcef/renderer/render_frame_util.cc

55 lines
1.9 KiB
C++

// Copyright (c) 2012 The Chromium Embedded Framework Authors.
// Portions copyright (c) 2011 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.
#include "libcef/renderer/render_frame_util.h"
#include "libcef/common/frame_util.h"
#include "libcef/renderer/blink_glue.h"
#include "base/logging.h"
#include "content/public/renderer/render_thread.h"
#include "content/renderer/render_frame_impl.h"
#include "third_party/blink/public/web/web_local_frame.h"
namespace render_frame_util {
std::string GetIdentifier(blink::WebLocalFrame* frame) {
// Each WebFrame will have an associated RenderFrame. The RenderFrame
// routing IDs are unique within a given renderer process.
return frame_util::MakeFrameIdentifier(content::GlobalRenderFrameHostToken(
content::RenderThread::Get()->GetClientId(),
frame->GetLocalFrameToken()));
}
std::string GetName(blink::WebLocalFrame* frame) {
DCHECK(frame);
// Return the assigned name if it is non-empty. This represents the name
// property on the frame DOM element. If the assigned name is empty, revert to
// the internal unique name. This matches the logic in
// CefFrameHostImpl::RefreshAttributes.
if (frame->AssignedName().length() > 0) {
return frame->AssignedName().Utf8();
}
content::RenderFrameImpl* render_frame =
content::RenderFrameImpl::FromWebFrame(frame);
DCHECK(render_frame);
if (render_frame) {
return render_frame->unique_name();
}
return std::string();
}
std::optional<blink::LocalFrameToken> ParseFrameTokenFromIdentifier(
const std::string& identifier) {
const auto& global_token = frame_util::ParseFrameIdentifier(identifier);
if (!global_token ||
global_token->child_id != content::RenderThread::Get()->GetClientId()) {
return std::nullopt;
}
return global_token->frame_token;
}
} // namespace render_frame_util