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// Copyright 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 "components/mus/mus_app.h"
#include "base/stl_util.h"
#include "components/mus/common/args.h"
#include "components/mus/gles2/gpu_impl.h"
#include "components/mus/surfaces/surfaces_scheduler.h"
#include "components/mus/ws/client_connection.h"
#include "components/mus/ws/connection_manager.h"
#include "components/mus/ws/forwarding_window_manager.h"
#include "components/mus/ws/window_tree_host_connection.h"
#include "components/mus/ws/window_tree_host_impl.h"
#include "components/mus/ws/window_tree_impl.h"
#include "mojo/application/public/cpp/application_connection.h"
#include "mojo/application/public/cpp/application_impl.h"
#include "mojo/application/public/cpp/application_runner.h"
#include "mojo/public/c/system/main.h"
#include "mojo/services/tracing/public/cpp/tracing_impl.h"
#include "ui/events/event_switches.h"
#include "ui/events/platform/platform_event_source.h"
#include "ui/gl/gl_surface.h"
#if defined(USE_X11)
#include <X11/Xlib.h>
#include "base/command_line.h"
#include "ui/platform_window/x11/x11_window.h"
#endif
using mojo::ApplicationConnection;
using mojo::ApplicationImpl;
using mojo::InterfaceRequest;
using mus::mojom::WindowTreeHostFactory;
using mus::mojom::Gpu;
namespace mus {
MandolineUIServicesApp::MandolineUIServicesApp()
: app_impl_(nullptr) {}
MandolineUIServicesApp::~MandolineUIServicesApp() {
if (gpu_state_)
gpu_state_->StopControlThread();
// Destroy |connection_manager_| first, since it depends on |event_source_|.
connection_manager_.reset();
}
void MandolineUIServicesApp::Initialize(ApplicationImpl* app) {
app_impl_ = app;
surfaces_state_ = new SurfacesState;
#if defined(USE_X11)
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(kUseX11TestConfig)) {
XInitThreads();
ui::test::SetUseOverrideRedirectWindowByDefault(true);
}
#endif
bool hardware_rendering_available = true;
#if !defined(OS_ANDROID)
hardware_rendering_available = gfx::GLSurface::InitializeOneOff();
event_source_ = ui::PlatformEventSource::CreateDefault();
#endif
// TODO(rjkroege): It is possible that we might want to generalize the
// GpuState object.
if (!gpu_state_.get())
gpu_state_ = new GpuState(hardware_rendering_available);
connection_manager_.reset(new ws::ConnectionManager(this, surfaces_state_));
tracing_.Initialize(app);
}
bool MandolineUIServicesApp::ConfigureIncomingConnection(
ApplicationConnection* connection) {
connection->AddService<Gpu>(this);
connection->AddService<mojom::WindowManager>(this);
connection->AddService<WindowTreeHostFactory>(this);
return true;
}
void MandolineUIServicesApp::OnFirstRootConnectionCreated() {
WindowManagerRequests requests;
requests.swap(pending_window_manager_requests_);
for (auto& request : requests)
Create(nullptr, std::move(*request));
}
void MandolineUIServicesApp::OnNoMoreRootConnections() {
app_impl_->Quit();
}
ws::ClientConnection*
MandolineUIServicesApp::CreateClientConnectionForEmbedAtWindow(
ws::ConnectionManager* connection_manager,
mojo::InterfaceRequest<mojom::WindowTree> tree_request,
ConnectionSpecificId creator_id,
const ws::WindowId& root_id,
uint32_t policy_bitmask,
mojom::WindowTreeClientPtr client) {
scoped_ptr<ws::WindowTreeImpl> service(new ws::WindowTreeImpl(
connection_manager, creator_id, root_id, policy_bitmask));
return new ws::DefaultClientConnection(std::move(service), connection_manager,
std::move(tree_request),
std::move(client));
}
void MandolineUIServicesApp::Create(
mojo::ApplicationConnection* connection,
mojo::InterfaceRequest<mojom::WindowManager> request) {
if (!connection_manager_->has_tree_host_connections()) {
pending_window_manager_requests_.push_back(make_scoped_ptr(
new mojo::InterfaceRequest<mojom::WindowManager>(std::move(request))));
return;
}
if (!window_manager_impl_) {
window_manager_impl_.reset(
new ws::ForwardingWindowManager(connection_manager_.get()));
}
window_manager_bindings_.AddBinding(window_manager_impl_.get(),
std::move(request));
}
void MandolineUIServicesApp::Create(
ApplicationConnection* connection,
InterfaceRequest<WindowTreeHostFactory> request) {
factory_bindings_.AddBinding(this, std::move(request));
}
void MandolineUIServicesApp::Create(mojo::ApplicationConnection* connection,
mojo::InterfaceRequest<Gpu> request) {
DCHECK(gpu_state_);
new GpuImpl(std::move(request), gpu_state_);
}
void MandolineUIServicesApp::CreateWindowTreeHost(
mojo::InterfaceRequest<mojom::WindowTreeHost> host,
mojom::WindowTreeHostClientPtr host_client,
mojom::WindowTreeClientPtr tree_client,
mojom::WindowManagerPtr window_manager) {
DCHECK(connection_manager_);
// TODO(fsamuel): We need to make sure that only the window manager can create
// new roots.
ws::WindowTreeHostImpl* host_impl = new ws::WindowTreeHostImpl(
std::move(host_client), connection_manager_.get(), app_impl_, gpu_state_,
surfaces_state_, std::move(window_manager));
// WindowTreeHostConnection manages its own lifetime.
host_impl->Init(new ws::WindowTreeHostConnectionImpl(
std::move(host), make_scoped_ptr(host_impl), std::move(tree_client),
connection_manager_.get()));
}
} // namespace mus
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