src/core/renderer/web_engine_page_render_frame.cpp


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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#include "renderer/web_engine_page_render_frame.h"
#include "content/public/renderer/render_frame.h"
#include "third_party/blink/public/common/associated_interfaces/associated_interface_registry.h"

#include "third_party/blink/public/platform/web_string.h"
#include "third_party/blink/public/web/web_frame_content_dumper.h"
#include "third_party/blink/public/web/web_local_frame.h"
#include "third_party/blink/public/web/web_view.h"

namespace QtWebEngineCore {

WebEnginePageRenderFrame::WebEnginePageRenderFrame(content::RenderFrame *render_frame)
    : content::RenderFrameObserver(render_frame), m_binding(this), m_ready(false)
{
    render_frame->GetAssociatedInterfaceRegistry()->AddInterface<qtwebenginepage::mojom::WebEnginePageRenderFrame>(
            base::BindRepeating(&WebEnginePageRenderFrame::BindReceiver, base::Unretained(this)));
}

void WebEnginePageRenderFrame::BindReceiver(
        mojo::PendingAssociatedReceiver<qtwebenginepage::mojom::WebEnginePageRenderFrame> receiver)
{
    m_binding.Bind(std::move(receiver));
}

void WebEnginePageRenderFrame::FetchDocumentMarkup(uint64_t requestId,
                                                   FetchDocumentMarkupCallback callback)
{
    blink::WebLocalFrame *frame = render_frame()->GetWebFrame();
    blink::WebString markup;
    if (m_ready)
        markup = blink::WebFrameContentDumper::DumpAsMarkup(frame);
    else
        markup = blink::WebString::FromUTF8("<html><head></head><body></body></html>");
    std::move(callback).Run(requestId, markup.Utf8());
}

void WebEnginePageRenderFrame::FetchDocumentInnerText(uint64_t requestId,
                                                      FetchDocumentInnerTextCallback callback)
{
    blink::WebLocalFrame *frame = render_frame()->GetWebFrame();
    blink::WebString text;
    if (m_ready) {
        text = blink::WebFrameContentDumper::DumpFrameTreeAsText(
                frame, std::numeric_limits<int32_t>::max());
    }
    std::move(callback).Run(requestId, text.Utf8());
}

void WebEnginePageRenderFrame::SetBackgroundColor(uint32_t color)
{
    render_frame()->GetWebFrame()->View()->SetBaseBackgroundColorOverrideForInspector(color);
}

void WebEnginePageRenderFrame::OnDestruct()
{
    delete this;
}

void WebEnginePageRenderFrame::DidFinishLoad()
{
    m_ready = true;
}
}