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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 "build/build_config.h"
#include "components/mus/common/args.h"
#include "components/mus/gles2/gpu_impl.h"
#include "components/mus/ws/client_connection.h"
#include "components/mus/ws/connection_manager.h"
#include "components/mus/ws/window_tree_factory.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/public/c/system/main.h"
#include "mojo/services/tracing/public/cpp/tracing_impl.h"
#include "mojo/shell/public/cpp/application_connection.h"
#include "mojo/shell/public/cpp/shell.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"
#elif defined(USE_OZONE)
#include "ui/ozone/public/ozone_platform.h"
#endif
using mojo::ApplicationConnection;
using mojo::InterfaceRequest;
using mus::mojom::WindowTreeHostFactory;
using mus::mojom::Gpu;
namespace mus {
// TODO(sky): this is a pretty typical pattern, make it easier to do.
struct MandolineUIServicesApp::PendingRequest {
scoped_ptr<mojo::InterfaceRequest<mojom::DisplayManager>> dm_request;
scoped_ptr<mojo::InterfaceRequest<mojom::WindowTreeFactory>> wtf_request;
};
MandolineUIServicesApp::MandolineUIServicesApp()
: shell_(nullptr) {}
MandolineUIServicesApp::~MandolineUIServicesApp() {
if (gpu_state_)
gpu_state_->StopThreads();
// Destroy |connection_manager_| first, since it depends on |event_source_|.
connection_manager_.reset();
}
void MandolineUIServicesApp::Initialize(mojo::Shell* shell,
const std::string& url,
uint32_t id) {
shell_ = shell;
surfaces_state_ = new SurfacesState;
#if defined(USE_X11)
XInitThreads();
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(kUseX11TestConfig)) {
ui::test::SetUseOverrideRedirectWindowByDefault(true);
}
#endif
#if defined(USE_OZONE)
// The ozone platform can provide its own event source. So initialize the
// platform before creating the default event source.
// TODO(rjkroege): Add tracing here.
ui::OzonePlatform::InitializeForUI();
ui::OzonePlatform::InitializeForGPU();
#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(shell, url);
}
bool MandolineUIServicesApp::AcceptConnection(
ApplicationConnection* connection) {
connection->AddService<Gpu>(this);
connection->AddService<mojom::DisplayManager>(this);
connection->AddService<mojom::WindowManagerFactoryService>(this);
connection->AddService<mojom::WindowTreeFactory>(this);
connection->AddService<WindowTreeHostFactory>(this);
return true;
}
void MandolineUIServicesApp::OnFirstRootConnectionCreated() {
PendingRequests requests;
requests.swap(pending_requests_);
for (auto& request : requests) {
if (request->dm_request)
Create(nullptr, std::move(*request->dm_request));
else
Create(nullptr, std::move(*request->wtf_request));
}
}
void MandolineUIServicesApp::OnNoMoreRootConnections() {
shell_->Quit();
}
ws::ClientConnection*
MandolineUIServicesApp::CreateClientConnectionForEmbedAtWindow(
ws::ConnectionManager* connection_manager,
mojo::InterfaceRequest<mojom::WindowTree> tree_request,
ws::ServerWindow* root,
uint32_t policy_bitmask,
mojom::WindowTreeClientPtr client) {
scoped_ptr<ws::WindowTreeImpl> service(
new ws::WindowTreeImpl(connection_manager, root, 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::DisplayManager> request) {
if (!connection_manager_->has_tree_host_connections()) {
scoped_ptr<PendingRequest> pending_request(new PendingRequest);
pending_request->dm_request.reset(
new mojo::InterfaceRequest<mojom::DisplayManager>(std::move(request)));
pending_requests_.push_back(std::move(pending_request));
return;
}
connection_manager_->AddDisplayManagerBinding(std::move(request));
}
void MandolineUIServicesApp::Create(
mojo::ApplicationConnection* connection,
mojo::InterfaceRequest<mojom::WindowManagerFactoryService> request) {
connection_manager_->CreateWindowManagerFactoryService(std::move(request));
}
void MandolineUIServicesApp::Create(
ApplicationConnection* connection,
InterfaceRequest<mojom::WindowTreeFactory> request) {
if (!connection_manager_->has_tree_host_connections()) {
scoped_ptr<PendingRequest> pending_request(new PendingRequest);
pending_request->wtf_request.reset(
new mojo::InterfaceRequest<mojom::WindowTreeFactory>(
std::move(request)));
pending_requests_.push_back(std::move(pending_request));
return;
}
if (!window_tree_factory_) {
window_tree_factory_.reset(
new ws::WindowTreeFactory(connection_manager_.get()));
}
window_tree_factory_->AddBinding(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::WindowTreeClientPtr tree_client) {
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(
connection_manager_.get(), shell_, gpu_state_, surfaces_state_);
// 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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