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// Copyright 2019 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 "weblayer/browser/weblayer_browser_interface_binders.h"
#include "base/bind.h"
#include "build/build_config.h"
#include "components/prerender/browser/prerender_contents.h"
#include "components/prerender/browser/prerender_processor_impl.h"
#include "components/prerender/common/prerender_canceler.mojom.h"
#include "content/public/browser/browser_context.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_controller.h"
#include "third_party/blink/public/mojom/installedapp/installed_app_provider.mojom.h"
#include "third_party/blink/public/mojom/installedapp/related_application.mojom.h"
#include "third_party/blink/public/mojom/prerender/prerender.mojom.h"
#include "weblayer/browser/no_state_prefetch/prerender_processor_impl_delegate_impl.h"
#include "weblayer/browser/no_state_prefetch/prerender_utils.h"
#include "weblayer/browser/translate_client_impl.h"
#include "weblayer/browser/webui/weblayer_internals.mojom.h"
#include "weblayer/browser/webui/weblayer_internals_ui.h"
#if defined(OS_ANDROID)
#include "mojo/public/cpp/bindings/self_owned_receiver.h"
#include "services/service_manager/public/cpp/interface_provider.h"
#include "third_party/blink/public/mojom/webshare/webshare.mojom.h"
#endif
namespace weblayer {
namespace {
void BindContentTranslateDriver(
content::RenderFrameHost* host,
mojo::PendingReceiver<translate::mojom::ContentTranslateDriver> receiver) {
// Translation does not currently work in subframes.
// TODO(crbug.com/1073370): Transition WebLayer to per-frame translation
// architecture once it's ready.
if (host->GetParent())
return;
auto* contents = content::WebContents::FromRenderFrameHost(host);
if (!contents)
return;
TranslateClientImpl* const translate_client =
TranslateClientImpl::FromWebContents(contents);
translate_client->translate_driver()->AddReceiver(std::move(receiver));
}
void BindPageHandler(
content::RenderFrameHost* host,
mojo::PendingReceiver<weblayer_internals::mojom::PageHandler> receiver) {
auto* contents = content::WebContents::FromRenderFrameHost(host);
if (!contents)
return;
content::WebUI* web_ui = contents->GetWebUI();
// Performs a safe downcast to the concrete WebUIController subclass.
WebLayerInternalsUI* concrete_controller =
web_ui ? web_ui->GetController()->GetAs<WebLayerInternalsUI>() : nullptr;
// This is expected to be called only for main frames and for the right
// WebUI pages matching the same WebUI associated to the RenderFrameHost.
if (host->GetParent() || !concrete_controller)
return;
concrete_controller->BindInterface(std::move(receiver));
}
void BindPrerenderProcessor(
content::RenderFrameHost* frame_host,
mojo::PendingReceiver<blink::mojom::PrerenderProcessor> receiver) {
prerender::PrerenderProcessorImpl::Create(
frame_host, std::move(receiver),
std::make_unique<PrerenderProcessorImplDelegateImpl>());
}
void BindPrerenderCanceler(
content::RenderFrameHost* frame_host,
mojo::PendingReceiver<prerender::mojom::PrerenderCanceler> receiver) {
auto* web_contents = content::WebContents::FromRenderFrameHost(frame_host);
if (!web_contents)
return;
auto* prerender_contents = PrerenderContentsFromWebContents(web_contents);
if (!prerender_contents)
return;
prerender_contents->AddPrerenderCancelerReceiver(std::move(receiver));
}
#if defined(OS_ANDROID)
// TODO(https://crbug.com/1037884): Remove this.
class StubInstalledAppProvider : public blink::mojom::InstalledAppProvider {
public:
StubInstalledAppProvider() {}
~StubInstalledAppProvider() override = default;
// InstalledAppProvider overrides:
void FilterInstalledApps(
std::vector<blink::mojom::RelatedApplicationPtr> related_apps,
const GURL& manifest_url,
FilterInstalledAppsCallback callback) override {
std::move(callback).Run(std::vector<blink::mojom::RelatedApplicationPtr>());
}
static void Create(
content::RenderFrameHost* rfh,
mojo::PendingReceiver<blink::mojom::InstalledAppProvider> receiver) {
mojo::MakeSelfOwnedReceiver(std::make_unique<StubInstalledAppProvider>(),
std::move(receiver));
}
};
template <typename Interface>
void ForwardToJavaWebContents(content::RenderFrameHost* frame_host,
mojo::PendingReceiver<Interface> receiver) {
content::WebContents* contents =
content::WebContents::FromRenderFrameHost(frame_host);
if (contents)
contents->GetJavaInterfaces()->GetInterface(std::move(receiver));
}
#endif
} // namespace
void PopulateWebLayerFrameBinders(
content::RenderFrameHost* render_frame_host,
mojo::BinderMapWithContext<content::RenderFrameHost*>* map) {
map->Add<weblayer_internals::mojom::PageHandler>(
base::BindRepeating(&BindPageHandler));
map->Add<translate::mojom::ContentTranslateDriver>(
base::BindRepeating(&BindContentTranslateDriver));
map->Add<blink::mojom::PrerenderProcessor>(
base::BindRepeating(&BindPrerenderProcessor));
map->Add<prerender::mojom::PrerenderCanceler>(
base::BindRepeating(&BindPrerenderCanceler));
#if defined(OS_ANDROID)
// TODO(https://crbug.com/1037884): Remove this.
map->Add<blink::mojom::InstalledAppProvider>(
base::BindRepeating(&StubInstalledAppProvider::Create));
map->Add<blink::mojom::ShareService>(base::BindRepeating(
&ForwardToJavaWebContents<blink::mojom::ShareService>));
#endif
}
} // namespace weblayer
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