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// Copyright 2021 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/devtools/protocol/visual_debugger_handler.h"
#include <string.h>
#include <algorithm>
#include "base/json/json_writer.h"
#include "base/task/bind_post_task.h"
#include "base/task/single_thread_task_runner.h"
#include "base/values.h"
#include "build/build_config.h"
#include "content/browser/gpu/gpu_process_host.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "third_party/inspector_protocol/crdtp/json.h"
namespace content {
namespace protocol {
VisualDebuggerHandler::VisualDebuggerHandler()
: DevToolsDomainHandler(VisualDebugger::Metainfo::domainName) {}
VisualDebuggerHandler::~VisualDebuggerHandler() {
StopStream();
}
void VisualDebuggerHandler::Wire(UberDispatcher* dispatcher) {
frontend_ = std::make_unique<VisualDebugger::Frontend>(dispatcher->channel());
VisualDebugger::Dispatcher::wire(dispatcher, this);
}
DispatchResponse VisualDebuggerHandler::FilterStream(
std::unique_ptr<base::Value::Dict> in_filter) {
auto* host = GpuProcessHost::Get();
host->gpu_host()->FilterVisualDebugStream(std::move(*in_filter));
return DispatchResponse::Success();
}
DispatchResponse VisualDebuggerHandler::StartStream() {
enabled_ = true;
auto* host = GpuProcessHost::Get();
host->gpu_host()->StartVisualDebugStream(base::BindPostTask(
base::SingleThreadTaskRunner::GetCurrentDefault(),
base::BindRepeating(&VisualDebuggerHandler::OnFrameResponse,
weak_ptr_factory_.GetWeakPtr()),
FROM_HERE));
return DispatchResponse::Success();
}
void VisualDebuggerHandler::OnFrameResponse(base::Value json) {
// This should be called via the 'BindPostTask' in 'StartStream' function
// above and thus should be in the correct thread.
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
frontend_->FrameResponse(
std::make_unique<base::Value::Dict>(std::move(json).TakeDict()));
}
DispatchResponse VisualDebuggerHandler::StopStream() {
if (enabled_) {
auto* host = GpuProcessHost::Get();
host->gpu_host()->StopVisualDebugStream();
}
enabled_ = false;
return DispatchResponse::Success();
}
} // namespace protocol
} // namespace content
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