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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 "content/renderer/mus/render_widget_mus_connection.h"
#include <map>
#include "base/lazy_instance.h"
#include "base/macros.h"
#include "components/mus/public/cpp/context_provider.h"
#include "components/mus/public/cpp/output_surface.h"
#include "components/mus/public/interfaces/command_buffer.mojom.h"
#include "components/mus/public/interfaces/compositor_frame.mojom.h"
#include "components/mus/public/interfaces/gpu.mojom.h"
#include "components/mus/public/interfaces/window_tree.mojom.h"
#include "content/public/common/mojo_shell_connection.h"
#include "content/renderer/mus/compositor_mus_connection.h"
#include "content/renderer/render_thread_impl.h"
#include "content/renderer/render_view_impl.h"
#include "mojo/converters/geometry/geometry_type_converters.h"
#include "mojo/converters/surfaces/surfaces_utils.h"
#include "mojo/shell/public/cpp/application_impl.h"
namespace content {
namespace {
typedef std::map<int, RenderWidgetMusConnection*> ConnectionMap;
base::LazyInstance<ConnectionMap>::Leaky g_connections =
LAZY_INSTANCE_INITIALIZER;
}
void RenderWidgetMusConnection::Bind(
mojo::InterfaceRequest<mus::mojom::WindowTreeClient> request) {
DCHECK(thread_checker_.CalledOnValidThread());
RenderThreadImpl* render_thread = RenderThreadImpl::current();
compositor_mus_connection_ = new CompositorMusConnection(
routing_id_, render_thread->GetCompositorMainThreadTaskRunner(),
render_thread->compositor_task_runner(), std::move(request),
render_thread->input_handler_manager());
if (window_surface_binding_) {
compositor_mus_connection_->AttachSurfaceOnMainThread(
std::move(window_surface_binding_));
}
}
scoped_ptr<cc::OutputSurface> RenderWidgetMusConnection::CreateOutputSurface() {
DCHECK(thread_checker_.CalledOnValidThread());
DCHECK(!window_surface_binding_);
mus::mojom::GpuPtr gpu_service;
MojoShellConnection::Get()->GetApplication()->ConnectToService("mojo:mus",
&gpu_service);
mus::mojom::CommandBufferPtr cb;
gpu_service->CreateOffscreenGLES2Context(GetProxy(&cb));
scoped_refptr<cc::ContextProvider> context_provider(
new mus::ContextProvider(cb.PassInterface().PassHandle()));
scoped_ptr<cc::OutputSurface> surface(new mus::OutputSurface(
context_provider, mus::WindowSurface::Create(&window_surface_binding_)));
if (compositor_mus_connection_) {
compositor_mus_connection_->AttachSurfaceOnMainThread(
std::move(window_surface_binding_));
}
return surface;
}
// static
RenderWidgetMusConnection* RenderWidgetMusConnection::Get(int routing_id) {
auto it = g_connections.Get().find(routing_id);
if (it != g_connections.Get().end())
return it->second;
return nullptr;
}
// static
RenderWidgetMusConnection* RenderWidgetMusConnection::GetOrCreate(
int routing_id) {
RenderWidgetMusConnection* connection = Get(routing_id);
if (!connection) {
connection = new RenderWidgetMusConnection(routing_id);
g_connections.Get().insert(std::make_pair(routing_id, connection));
}
return connection;
}
RenderWidgetMusConnection::RenderWidgetMusConnection(int routing_id)
: routing_id_(routing_id), input_handler_(nullptr) {
DCHECK(routing_id);
}
RenderWidgetMusConnection::~RenderWidgetMusConnection() {}
void RenderWidgetMusConnection::FocusChangeComplete() {
NOTIMPLEMENTED();
}
bool RenderWidgetMusConnection::HasTouchEventHandlersAt(
const gfx::Point& point) const {
return true;
}
void RenderWidgetMusConnection::ObserveWheelEventAndResult(
const blink::WebMouseWheelEvent& wheel_event,
const gfx::Vector2dF& wheel_unused_delta,
bool event_processed) {
NOTIMPLEMENTED();
}
void RenderWidgetMusConnection::OnDidHandleKeyEvent() {
NOTIMPLEMENTED();
}
void RenderWidgetMusConnection::OnDidOverscroll(
const DidOverscrollParams& params) {
NOTIMPLEMENTED();
}
void RenderWidgetMusConnection::OnInputEventAck(
scoped_ptr<InputEventAck> input_event_ack) {
DCHECK(!pending_ack_.is_null());
// TODO(fsamuel): Use the state in |input_event_ack|.
pending_ack_.Run();
pending_ack_.Reset();
}
void RenderWidgetMusConnection::SetInputHandler(
RenderWidgetInputHandler* input_handler) {
DCHECK(!input_handler_);
input_handler_ = input_handler;
}
void RenderWidgetMusConnection::UpdateTextInputState(
ShowIme show_ime,
ChangeSource change_source) {
NOTIMPLEMENTED();
}
bool RenderWidgetMusConnection::WillHandleGestureEvent(
const blink::WebGestureEvent& event) {
NOTIMPLEMENTED();
return false;
}
bool RenderWidgetMusConnection::WillHandleMouseEvent(
const blink::WebMouseEvent& event) {
// TODO(fsamuel): NOTIMPLEMENTED() is too noisy.
// NOTIMPLEMENTED();
return false;
}
void RenderWidgetMusConnection::OnConnectionLost() {
DCHECK(thread_checker_.CalledOnValidThread());
g_connections.Get().erase(routing_id_);
delete this;
}
void RenderWidgetMusConnection::OnWindowInputEvent(
scoped_ptr<blink::WebInputEvent> input_event,
const base::Closure& ack) {
DCHECK(thread_checker_.CalledOnValidThread());
// If we don't yet have a RenderWidgetInputHandler then we don't yet have
// an initialized RenderWidget.
if (!input_handler_) {
ack.Run();
return;
}
// TODO(fsamuel): It would be nice to add this DCHECK but the reality is an
// event could timeout and we could receive the next event before we ack the
// previous event.
// DCHECK(pending_ack_.is_null());
pending_ack_ = ack;
// TODO(fsamuel, sadrul): Track real latency info.
ui::LatencyInfo latency_info;
input_handler_->HandleInputEvent(*input_event, latency_info);
}
} // namespace content
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