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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/tracing/traces_internals/traces_internals_ui.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/browser/tracing/traces_internals/traces_internals.mojom.h"
#include "content/browser/tracing/traces_internals/traces_internals_handler.h"
#include "content/browser/webui/web_ui_impl.h"
#include "content/grit/traces_internals_resources.h"
#include "content/grit/traces_internals_resources_map.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_ui.h"
#include "content/public/browser/web_ui_data_source.h"
#include "content/public/common/bindings_policy.h"
#include "content/public/common/url_constants.h"
namespace content {
TracesInternalsUI::TracesInternalsUI(WebUI* web_ui, const GURL& url)
: WebUIController(web_ui) {
WebUIDataSource* source = WebUIDataSource::CreateAndAdd(
web_ui->GetWebContents()->GetBrowserContext(), url.host());
source->AddResourcePaths(kTracesInternalsResources);
source->AddResourcePath("", IDR_TRACES_INTERNALS_TRACES_INTERNALS_HTML);
// Add TrustedTypes policies necessary for using Polymer.
source->OverrideContentSecurityPolicy(
network::mojom::CSPDirectiveName::TrustedTypes,
"trusted-types static-types polymer-html-literal "
"polymer-template-event-attribute-policy "
// Add TrustedTypes policies necessary for using Lit.
"lit-html-desktop;");
}
TracesInternalsUI::~TracesInternalsUI() = default;
void TracesInternalsUI::WebUIRenderFrameCreated(
RenderFrameHost* render_frame_host) {
// Enable the JavaScript Mojo bindings in the renderer process, so the JS
// code can call the Mojo APIs exposed by this WebUI.
render_frame_host->EnableMojoJsBindings(nullptr);
}
void TracesInternalsUI::BindInterface(
mojo::PendingReceiver<
traces_internals::mojom::TracesInternalsHandlerFactory> receiver) {
page_factory_receiver_.reset();
page_factory_receiver_.Bind(std::move(receiver));
}
void TracesInternalsUI::CreatePageHandler(
mojo::PendingRemote<traces_internals::mojom::Page> page,
mojo::PendingReceiver<traces_internals::mojom::PageHandler> receiver) {
DCHECK(page);
ui_handler_ = std::make_unique<TracesInternalsHandler>(std::move(receiver),
std::move(page));
}
WEB_UI_CONTROLLER_TYPE_IMPL(TracesInternalsUI)
} // namespace content
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