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content / public / test / mock_render_thread.cc [blame]
// Copyright 2012 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/public/test/mock_render_thread.h"
#include <memory>
#include <tuple>
#include "base/logging.h"
#include "base/task/single_thread_task_runner.h"
#include "base/unguessable_token.h"
#include "build/build_config.h"
#include "content/common/associated_interfaces.mojom.h"
#include "content/common/frame.mojom.h"
#include "content/public/renderer/render_thread_observer.h"
#include "content/renderer/render_thread_impl.h"
#include "content/test/test_render_frame.h"
#include "ipc/ipc_message_utils.h"
#include "ipc/ipc_sync_message.h"
#include "ipc/message_filter.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/dom_storage/session_storage_namespace_id.h"
#include "third_party/blink/public/common/user_agent/user_agent_metadata.h"
#include "third_party/blink/public/mojom/page/widget.mojom.h"
#include "third_party/blink/public/mojom/widget/platform_widget.mojom.h"
namespace content {
namespace {
// Some tests hard-code small numbers for routing IDs, so make reasonably sure
// that the IDs generated by MockRenderThread will not clash.
constexpr int32_t kFirstGeneratedRoutingId = 313337000;
static const blink::UserAgentMetadata kUserAgentMetadata;
} // namespace
MockRenderThread::MockRenderThread()
: next_routing_id_(kFirstGeneratedRoutingId) {}
MockRenderThread::~MockRenderThread() {
#if BUILDFLAG(CONTENT_ENABLE_LEGACY_IPC)
while (!filters_.empty()) {
scoped_refptr<IPC::MessageFilter> filter = filters_.back();
filters_.pop_back();
filter->OnFilterRemoved();
}
#endif
}
#if BUILDFLAG(CONTENT_ENABLE_LEGACY_IPC)
// Called by the Widget. Used to send messages to the browser.
// We short-circuit the mechanism and handle the messages right here on this
// class.
bool MockRenderThread::Send(IPC::Message* msg) {
// We need to simulate a synchronous channel, thus we are going to receive
// through this function messages, messages with reply and reply messages.
// We can only handle one synchronous message at a time.
if (msg->is_reply()) {
if (reply_deserializer_) {
reply_deserializer_->SerializeOutputParameters(*msg);
reply_deserializer_.reset();
}
} else {
if (msg->is_sync()) {
// We actually need to handle deleting the reply deserializer for sync
// messages.
reply_deserializer_ =
static_cast<IPC::SyncMessage*>(msg)->TakeReplyDeserializer();
}
if (msg->routing_id() == MSG_ROUTING_CONTROL)
OnControlMessageReceived(*msg);
else
OnMessageReceived(*msg);
}
delete msg;
return true;
}
IPC::SyncMessageFilter* MockRenderThread::GetSyncMessageFilter() {
return nullptr;
}
void MockRenderThread::AddRoute(int32_t routing_id, IPC::Listener* listener) {}
void MockRenderThread::AttachTaskRunnerToRoute(
int32_t routing_id,
scoped_refptr<base::SingleThreadTaskRunner> task_runner) {}
void MockRenderThread::RemoveRoute(int32_t routing_id) {}
void MockRenderThread::AddFilter(IPC::MessageFilter* filter) {
filter->OnFilterAdded(&sink());
// Add this filter to a vector so the MockRenderThread::RemoveFilter function
// can check if this filter is added.
filters_.push_back(base::WrapRefCounted(filter));
}
void MockRenderThread::RemoveFilter(IPC::MessageFilter* filter) {
// Emulate the IPC::ChannelProxy::OnRemoveFilter function.
for (size_t i = 0; i < filters_.size(); ++i) {
if (filters_[i].get() == filter) {
filter->OnFilterRemoved();
filters_.erase(filters_.begin() + i);
return;
}
}
NOTREACHED_IN_MIGRATION() << "filter to be removed not found";
}
#endif
IPC::SyncChannel* MockRenderThread::GetChannel() {
return nullptr;
}
std::string MockRenderThread::GetLocale() {
return "en-US";
}
scoped_refptr<base::SingleThreadTaskRunner>
MockRenderThread::GetIOTaskRunner() {
return io_task_runner_;
}
void MockRenderThread::BindHostReceiver(mojo::GenericPendingReceiver receiver) {
}
bool MockRenderThread::GenerateFrameRoutingID(
int32_t& routing_id,
blink::LocalFrameToken& frame_token,
base::UnguessableToken& devtools_frame_token,
blink::DocumentToken& document_token) {
routing_id = GetNextRoutingID();
frame_token = blink::LocalFrameToken();
devtools_frame_token = base::UnguessableToken::Create();
document_token = blink::DocumentToken();
return true;
}
void MockRenderThread::AddObserver(RenderThreadObserver* observer) {
observers_.AddObserver(observer);
}
void MockRenderThread::RemoveObserver(RenderThreadObserver* observer) {
observers_.RemoveObserver(observer);
}
void MockRenderThread::RecordAction(const base::UserMetricsAction& action) {
}
void MockRenderThread::RecordComputedAction(const std::string& action) {
}
int MockRenderThread::PostTaskToAllWebWorkers(base::RepeatingClosure closure) {
return 0;
}
base::WaitableEvent* MockRenderThread::GetShutdownEvent() {
return nullptr;
}
int32_t MockRenderThread::GetClientId() {
return 1;
}
void MockRenderThread::SetRendererProcessType(
blink::scheduler::WebRendererProcessType type) {}
blink::WebString MockRenderThread::GetUserAgent() {
return blink::WebString();
}
const blink::UserAgentMetadata& MockRenderThread::GetUserAgentMetadata() {
return kUserAgentMetadata;
}
#if BUILDFLAG(IS_WIN)
void MockRenderThread::PreCacheFont(const LOGFONT& log_font) {
}
void MockRenderThread::ReleaseCachedFonts() {
}
#endif
void MockRenderThread::SetFieldTrialGroup(const std::string& trial_name,
const std::string& group_name) {}
void MockRenderThread::WriteIntoTrace(
perfetto::TracedProto<perfetto::protos::pbzero::RenderProcessHost> proto) {
// Unlike RenderThreadImpl, MockRenderThread is not aware of its render
// process ID.
}
int32_t MockRenderThread::GetNextRoutingID() {
return next_routing_id_++;
}
mojo::PendingReceiver<blink::mojom::BrowserInterfaceBroker>
MockRenderThread::TakeInitialBrowserInterfaceBrokerReceiverForFrame(
const blink::LocalFrameToken& frame_token) {
mojo::PendingReceiver<blink::mojom::BrowserInterfaceBroker>
broker_from_create_child_frame_request;
auto it = frame_token_to_initial_browser_brokers_.find(frame_token);
if (it != frame_token_to_initial_browser_brokers_.end()) {
broker_from_create_child_frame_request = std::move(it->second);
frame_token_to_initial_browser_brokers_.erase(it);
}
return broker_from_create_child_frame_request;
}
void MockRenderThread::OnCreateChildFrame(
const blink::LocalFrameToken& child_frame_token,
mojo::PendingAssociatedRemote<mojom::Frame> frame_remote,
mojo::PendingReceiver<blink::mojom::BrowserInterfaceBroker>
browser_interface_broker) {
frame_token_to_initial_browser_brokers_.emplace(
child_frame_token, std::move(browser_interface_broker));
}
#if BUILDFLAG(CONTENT_ENABLE_LEGACY_IPC)
bool MockRenderThread::OnControlMessageReceived(const IPC::Message& msg) {
for (auto& observer : observers_) {
if (observer.OnControlMessageReceived(msg))
return true;
}
return OnMessageReceived(msg);
}
bool MockRenderThread::OnMessageReceived(const IPC::Message& msg) {
// Save the message in the sink.
sink_.OnMessageReceived(msg);
return false;
}
#endif
// The View expects to be returned a valid route_id different from its own.
void MockRenderThread::OnCreateWindow(
const mojom::CreateNewWindowParams& params,
mojom::CreateNewWindowReply* reply) {
reply->frame = TestRenderFrame::CreateStubFrameReceiver();
reply->main_frame_route_id = GetNextRoutingID();
frame_token_to_initial_browser_brokers_.emplace(
reply->main_frame_token,
reply->main_frame_interface_broker.InitWithNewPipeAndPassReceiver());
reply->associated_interface_provider =
TestRenderFrame::CreateStubAssociatedInterfaceProviderRemote();
reply->cloned_session_storage_namespace_id =
blink::AllocateSessionStorageNamespaceId();
auto widget_params = mojom::CreateFrameWidgetParams::New();
widget_params->routing_id = GetNextRoutingID();
mojo::AssociatedRemote<blink::mojom::FrameWidget> blink_frame_widget;
mojo::PendingAssociatedReceiver<blink::mojom::FrameWidget>
blink_frame_widget_receiver =
blink_frame_widget.BindNewEndpointAndPassDedicatedReceiver();
mojo::AssociatedRemote<blink::mojom::FrameWidgetHost> blink_frame_widget_host;
std::ignore =
blink_frame_widget_host.BindNewEndpointAndPassDedicatedReceiver();
mojo::AssociatedRemote<blink::mojom::Widget> blink_widget;
mojo::PendingAssociatedReceiver<blink::mojom::Widget> blink_widget_receiver =
blink_widget.BindNewEndpointAndPassDedicatedReceiver();
mojo::AssociatedRemote<blink::mojom::WidgetHost> blink_widget_host;
std::ignore = blink_widget_host.BindNewEndpointAndPassDedicatedReceiver();
widget_params->frame_widget = std::move(blink_frame_widget_receiver);
widget_params->frame_widget_host = blink_frame_widget_host.Unbind();
widget_params->widget = std::move(blink_widget_receiver);
widget_params->widget_host = blink_widget_host.Unbind();
widget_params->visual_properties.screen_infos =
display::ScreenInfos(display::ScreenInfo());
reply->widget_params = std::move(widget_params);
mojo::AssociatedRemote<blink::mojom::PageBroadcast> page_broadcast;
reply->page_broadcast =
page_broadcast.BindNewEndpointAndPassDedicatedReceiver();
page_broadcasts_.push_back(std::move(page_broadcast));
}
void MockRenderThread::ReleaseAllWebViews() {
page_broadcasts_.clear();
}
} // namespace content