content/shell/renderer/layout_test/layout_test_content_renderer_client.cc

// Copyright (c) 2014 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 "content/shell/renderer/layout_test/layout_test_content_renderer_client.h"

#include <string>
#include <utility>

#include "base/callback.h"
#include "base/command_line.h"
#include "base/debug/debugger.h"
#include "build/build_config.h"
#include "components/web_cache/renderer/web_cache_impl.h"
#include "content/public/common/content_constants.h"
#include "content/public/common/content_switches.h"
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/render_thread.h"
#include "content/public/renderer/render_view.h"
#include "content/public/test/layouttest_support.h"
#include "content/shell/common/layout_test/layout_test_switches.h"
#include "content/shell/common/shell_switches.h"
#include "content/shell/renderer/layout_test/blink_test_helpers.h"
#include "content/shell/renderer/layout_test/blink_test_runner.h"
#include "content/shell/renderer/layout_test/layout_test_render_frame_observer.h"
#include "content/shell/renderer/layout_test/layout_test_render_thread_observer.h"
#include "content/shell/renderer/layout_test/test_media_stream_renderer_factory.h"
#include "content/shell/renderer/layout_test/test_websocket_handshake_throttle_provider.h"
#include "content/shell/renderer/shell_render_view_observer.h"
#include "content/shell/test_runner/web_frame_test_proxy.h"
#include "content/shell/test_runner/web_test_interfaces.h"
#include "content/shell/test_runner/web_test_runner.h"
#include "content/shell/test_runner/web_view_test_proxy.h"
#include "media/base/audio_latency.h"
#include "media/base/mime_util.h"
#include "media/media_buildflags.h"
#include "third_party/blink/public/platform/modules/webmidi/web_midi_accessor.h"
#include "third_party/blink/public/platform/web_audio_latency_hint.h"
#include "third_party/blink/public/platform/web_media_stream_center.h"
#include "third_party/blink/public/platform/web_rtc_peer_connection_handler.h"
#include "third_party/blink/public/platform/web_runtime_features.h"
#include "third_party/blink/public/web/blink.h"
#include "third_party/blink/public/web/web_frame_widget.h"
#include "third_party/blink/public/web/web_plugin_params.h"
#include "third_party/blink/public/web/web_testing_support.h"
#include "third_party/blink/public/web/web_view.h"
#include "ui/gfx/icc_profile.h"
#include "v8/include/v8.h"

using blink::WebAudioDevice;
using blink::WebFrame;
using blink::WebLocalFrame;
using blink::WebMIDIAccessor;
using blink::WebMIDIAccessorClient;
using blink::WebMediaStreamCenter;
using blink::WebPlugin;
using blink::WebPluginParams;
using blink::WebRTCPeerConnectionHandler;
using blink::WebRTCPeerConnectionHandlerClient;
using blink::WebThemeEngine;

namespace content {

namespace {

void WebViewTestProxyCreated(RenderView* render_view,
                             test_runner::WebViewTestProxyBase* proxy) {
  test_runner::WebTestInterfaces* interfaces =
      LayoutTestRenderThreadObserver::GetInstance()->test_interfaces();

  BlinkTestRunner* test_runner = new BlinkTestRunner(render_view);
  // TODO(lukasza): Using the 1st BlinkTestRunner as the main delegate is wrong,
  // but it is difficult to change because this behavior has been baked for a
  // long time into test assumptions (i.e. which PrintMessage gets delivered to
  // the browser depends on this).
  static bool first_test_runner = true;
  if (first_test_runner) {
    first_test_runner = false;
    interfaces->SetDelegate(test_runner);
  }

  auto* test_interfaces =
      LayoutTestRenderThreadObserver::GetInstance()->test_interfaces();

  proxy->set_delegate(test_runner);

  std::unique_ptr<test_runner::WebViewTestClient> view_test_client =
      test_interfaces->CreateWebViewTestClient(proxy, nullptr);
  proxy->set_view_test_client(std::move(view_test_client));
  std::unique_ptr<test_runner::WebWidgetTestClient> widget_test_client =
      test_interfaces->CreateWebWidgetTestClient(
          proxy->web_widget_test_proxy_base());
  proxy->web_widget_test_proxy_base()->set_widget_test_client(
      std::move(widget_test_client));
  proxy->SetInterfaces(interfaces);
  proxy->SetUpWidgetClient();
}

void WebWidgetTestProxyCreated(blink::WebWidget* web_widget,
                               test_runner::WebWidgetTestProxyBase* proxy) {
  CHECK(web_widget->IsWebFrameWidget());
  proxy->set_web_widget(web_widget);
  blink::WebFrameWidget* web_frame_widget =
      static_cast<blink::WebFrameWidget*>(web_widget);
  blink::WebView* web_view = web_frame_widget->LocalRoot()->View();
  RenderView* render_view = RenderView::FromWebView(web_view);
  test_runner::WebViewTestProxyBase* view_proxy =
      GetWebViewTestProxyBase(render_view);
  std::unique_ptr<test_runner::WebWidgetTestClient> widget_test_client =
      LayoutTestRenderThreadObserver::GetInstance()
          ->test_interfaces()
          ->CreateWebWidgetTestClient(proxy);
  proxy->set_web_view_test_proxy_base(view_proxy);
  proxy->set_widget_test_client(std::move(widget_test_client));
}

void WebFrameTestProxyCreated(RenderFrame* render_frame,
                              test_runner::WebFrameTestProxyBase* proxy) {
  test_runner::WebViewTestProxyBase* web_view_test_proxy_base =
      GetWebViewTestProxyBase(render_frame->GetRenderView());
  proxy->set_test_client(
      LayoutTestRenderThreadObserver::GetInstance()
          ->test_interfaces()
          ->CreateWebFrameTestClient(web_view_test_proxy_base, proxy));
}

}  // namespace

LayoutTestContentRendererClient::LayoutTestContentRendererClient() {
  EnableWebTestProxyCreation(base::Bind(&WebViewTestProxyCreated),
                             base::Bind(&WebWidgetTestProxyCreated),
                             base::Bind(&WebFrameTestProxyCreated));
  SetWorkerRewriteURLFunction(RewriteLayoutTestsURL);
}

LayoutTestContentRendererClient::~LayoutTestContentRendererClient() {
}

void LayoutTestContentRendererClient::RenderThreadStarted() {
  ShellContentRendererClient::RenderThreadStarted();
  shell_observer_.reset(new LayoutTestRenderThreadObserver());
}

void LayoutTestContentRendererClient::RenderFrameCreated(
    RenderFrame* render_frame) {
  test_runner::WebFrameTestProxyBase* frame_proxy =
      GetWebFrameTestProxyBase(render_frame);
  frame_proxy->set_web_frame(render_frame->GetWebFrame());
  new LayoutTestRenderFrameObserver(render_frame);
}

void LayoutTestContentRendererClient::RenderViewCreated(
    RenderView* render_view) {
  new ShellRenderViewObserver(render_view);

  test_runner::WebViewTestProxyBase* proxy =
      GetWebViewTestProxyBase(render_view);
  proxy->set_web_view(render_view->GetWebView());
  // TODO(lfg): We should fix the TestProxy to track the WebWidgets on every
  // local root in WebFrameTestProxy instead of having only the WebWidget for
  // the main frame in WebViewTestProxy.
  proxy->web_widget_test_proxy_base()->set_web_widget(
      render_view->GetWebView()->GetWidget());
  proxy->Reset();

  BlinkTestRunner* test_runner = BlinkTestRunner::Get(render_view);
  test_runner->Reset(false /* for_new_test */);
}

std::unique_ptr<WebMIDIAccessor>
LayoutTestContentRendererClient::OverrideCreateMIDIAccessor(
    WebMIDIAccessorClient* client) {
  test_runner::WebTestInterfaces* interfaces =
      LayoutTestRenderThreadObserver::GetInstance()->test_interfaces();
  return interfaces->CreateMIDIAccessor(client);
}

WebThemeEngine* LayoutTestContentRendererClient::OverrideThemeEngine() {
  return LayoutTestRenderThreadObserver::GetInstance()
      ->test_interfaces()
      ->ThemeEngine();
}

std::unique_ptr<MediaStreamRendererFactory>
LayoutTestContentRendererClient::CreateMediaStreamRendererFactory() {
  return std::unique_ptr<MediaStreamRendererFactory>(
      new TestMediaStreamRendererFactory());
}

std::unique_ptr<content::WebSocketHandshakeThrottleProvider>
LayoutTestContentRendererClient::CreateWebSocketHandshakeThrottleProvider() {
  return std::make_unique<TestWebSocketHandshakeThrottleProvider>();
}

void LayoutTestContentRendererClient::DidInitializeWorkerContextOnWorkerThread(
    v8::Local<v8::Context> context) {
  blink::WebTestingSupport::InjectInternalsObject(context);
}

void LayoutTestContentRendererClient::
    SetRuntimeFeaturesDefaultsBeforeBlinkInitialization() {
  // We always expose GC to layout tests.
  std::string flags("--expose-gc");
  v8::V8::SetFlagsFromString(flags.c_str(), static_cast<int>(flags.size()));
  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
          switches::kStableReleaseMode)) {
    blink::WebRuntimeFeatures::EnableTestOnlyFeatures(true);
  }
  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
          switches::kEnableFontAntialiasing)) {
    blink::SetFontAntialiasingEnabledForTest(true);
  }
}

bool LayoutTestContentRendererClient::AllowIdleMediaSuspend() {
  // Disable idle media suspend to avoid layout tests getting into accidentally
  // bad states if they take too long to run.
  return false;
}

}  // namespace content