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chrome_extensions_interface_registration.cc
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chrome_extensions_interface_registration.cc
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// Copyright 2015 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 "chrome/browser/extensions/chrome_extensions_interface_registration.h"
#include <memory>
#include <string>
#include <utility>
#include "base/bind.h"
#include "base/feature_list.h"
#include "base/logging.h"
#include "build/branding_buildflags.h"
#include "chrome/browser/media/router/media_router_feature.h" // nogncheck
#include "chrome/browser/media/router/mojo/media_router_desktop.h" // nogncheck
#include "chrome/common/extensions/extension_constants.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/video_capture_service.h"
#include "extensions/common/extension.h"
#include "extensions/common/permissions/api_permission.h"
#include "extensions/common/permissions/permissions_data.h"
#include "services/service_manager/public/cpp/binder_registry.h"
#if defined(OS_CHROMEOS)
#include "base/task/post_task.h"
#include "chrome/common/pref_names.h"
#include "chromeos/services/ime/public/mojom/input_engine.mojom.h"
#include "chromeos/services/media_perception/public/mojom/media_perception.mojom.h"
#include "components/arc/intent_helper/arc_intent_helper_bridge.h"
#include "components/chromeos_camera/camera_app_helper_impl.h"
#include "components/prefs/pref_service.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/media_device_id.h"
#include "extensions/browser/api/extensions_api_client.h"
#include "extensions/browser/api/media_perception_private/media_perception_api_delegate.h"
#include "media/capture/video/chromeos/camera_app_device_provider_impl.h"
#include "media/capture/video/chromeos/mojom/camera_app.mojom.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/self_owned_receiver.h"
#include "ui/base/ime/chromeos/extension_ime_util.h"
#include "ui/base/ime/chromeos/input_method_manager.h"
#endif
namespace extensions {
namespace {
#if defined(OS_CHROMEOS)
#if BUILDFLAG(GOOGLE_CHROME_BRANDING)
// Resolves InputEngineManager request in InputMethodManager.
void BindInputEngineManager(
chromeos::ime::mojom::InputEngineManagerRequest request,
content::RenderFrameHost* source) {
chromeos::input_method::InputMethodManager::Get()->ConnectInputEngineManager(
std::move(request));
}
#endif // BUILDFLAG(GOOGLE_CHROME_BRANDING)
// Translates the renderer-side source ID to video device id.
void TranslateVideoDeviceId(
const std::string& salt,
const url::Origin& origin,
const std::string& source_id,
base::OnceCallback<void(const base::Optional<std::string>&)> callback) {
auto callback_on_io_thread = base::BindOnce(
[](const std::string& salt, const url::Origin& origin,
const std::string& source_id,
base::OnceCallback<void(const base::Optional<std::string>&)>
callback) {
content::GetMediaDeviceIDForHMAC(
blink::mojom::MediaStreamType::DEVICE_VIDEO_CAPTURE, salt,
std::move(origin), source_id, std::move(callback));
},
salt, std::move(origin), source_id, std::move(callback));
base::PostTask(FROM_HERE, {content::BrowserThread::IO},
std::move(callback_on_io_thread));
}
void HandleCameraResult(
content::BrowserContext* context,
uint32_t intent_id,
arc::mojom::CameraIntentAction action,
const std::vector<uint8_t>& data,
chromeos_camera::mojom::CameraAppHelper::HandleCameraResultCallback
callback) {
auto* intent_helper =
arc::ArcIntentHelperBridge::GetForBrowserContext(context);
intent_helper->HandleCameraResult(intent_id, action, data,
std::move(callback));
}
// Connects to CameraAppDeviceProvider which could be used to get
// CameraAppDevice from video capture service through CameraAppDeviceBridge.
void ConnectToCameraAppDeviceProvider(
mojo::PendingReceiver<cros::mojom::CameraAppDeviceProvider> receiver,
content::RenderFrameHost* source) {
mojo::PendingRemote<cros::mojom::CameraAppDeviceBridge> device_bridge;
auto device_bridge_receiver = device_bridge.InitWithNewPipeAndPassReceiver();
// Connects to CameraAppDeviceBridge from video_capture service.
content::GetVideoCaptureService().ConnectToCameraAppDeviceBridge(
std::move(device_bridge_receiver));
auto security_origin = source->GetLastCommittedOrigin();
auto media_device_id_salt =
source->GetProcess()->GetBrowserContext()->GetMediaDeviceIDSalt();
auto mapping_callback =
base::BindRepeating(&TranslateVideoDeviceId, media_device_id_salt,
std::move(security_origin));
auto camera_app_device_provider =
std::make_unique<media::CameraAppDeviceProviderImpl>(
std::move(device_bridge), std::move(mapping_callback));
mojo::MakeSelfOwnedReceiver(std::move(camera_app_device_provider),
std::move(receiver));
}
// Connects to CameraAppHelper that could handle camera intents.
void ConnectToCameraAppHelper(
mojo::PendingReceiver<chromeos_camera::mojom::CameraAppHelper> receiver,
content::RenderFrameHost* source) {
auto handle_result_callback = base::BindRepeating(
&HandleCameraResult, source->GetProcess()->GetBrowserContext());
auto camera_app_helper =
std::make_unique<chromeos_camera::CameraAppHelperImpl>(
std::move(handle_result_callback));
mojo::MakeSelfOwnedReceiver(std::move(camera_app_helper),
std::move(receiver));
}
#endif
} // namespace
void RegisterChromeInterfacesForExtension(
service_manager::BinderRegistryWithArgs<content::RenderFrameHost*>*
registry,
content::RenderFrameHost* render_frame_host,
const Extension* extension) {
DCHECK(extension);
content::BrowserContext* context =
render_frame_host->GetProcess()->GetBrowserContext();
if (media_router::MediaRouterEnabled(context) &&
extension->permissions_data()->HasAPIPermission(
APIPermission::kMediaRouterPrivate)) {
registry->AddInterface(
base::Bind(&media_router::MediaRouterDesktop::BindToReceiver,
base::RetainedRef(extension), context));
}
#if defined(OS_CHROMEOS)
#if BUILDFLAG(GOOGLE_CHROME_BRANDING)
// Registry InputEngineManager for official Google XKB Input only.
if (extension->id() == chromeos::extension_ime_util::kXkbExtensionId) {
registry->AddInterface(base::BindRepeating(&BindInputEngineManager));
}
#endif // BUILDFLAG(GOOGLE_CHROME_BRANDING)
if (extension->permissions_data()->HasAPIPermission(
APIPermission::kMediaPerceptionPrivate)) {
extensions::ExtensionsAPIClient* client =
extensions::ExtensionsAPIClient::Get();
extensions::MediaPerceptionAPIDelegate* delegate = nullptr;
if (client)
delegate = client->GetMediaPerceptionAPIDelegate();
if (delegate) {
// Note that it is safe to use base::Unretained here because |delegate| is
// owned by the |client|, which is instantiated by the
// ChromeExtensionsBrowserClient, which in turn is owned and lives as long
// as the BrowserProcessImpl.
registry->AddInterface(
base::BindRepeating(&extensions::MediaPerceptionAPIDelegate::
ForwardMediaPerceptionReceiver,
base::Unretained(delegate)));
}
}
if (extension->id().compare(extension_misc::kChromeCameraAppId) == 0 ||
extension->id().compare(extension_misc::kChromeCameraAppDevId) == 0) {
registry->AddInterface(
base::BindRepeating(&ConnectToCameraAppDeviceProvider));
registry->AddInterface(base::BindRepeating(&ConnectToCameraAppHelper));
}
#endif
}
} // namespace extensions