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mojo/services/surfaces/surfaces_impl.cc

+// 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 "mojo/services/surfaces/surfaces_impl.h"
+
+#include "base/trace_event/trace_event.h"
+#include "cc/output/compositor_frame.h"
+#include "cc/resources/returned_resource.h"
+#include "cc/surfaces/surface_id_allocator.h"
+#include "mojo/converters/geometry/geometry_type_converters.h"
+#include "mojo/converters/surfaces/surfaces_type_converters.h"
+#include "mojo/services/surfaces/surfaces_scheduler.h"
+
+using mojo::SurfaceIdPtr;
+
+namespace surfaces {
+
+namespace {
+void CallCallback(const mojo::Closure& callback, cc::SurfaceDrawStatus status) {
+  callback.Run();
+}
+}
+
+SurfacesImpl::SurfacesImpl(cc::SurfaceManager* manager,
+                           uint32_t id_namespace,
+                           SurfacesScheduler* scheduler,
+                           mojo::InterfaceRequest<mojo::Surface> request)
+    : manager_(manager),
+      factory_(manager, this),
+      id_namespace_(id_namespace),
+      scheduler_(scheduler),
+      binding_(this, request.Pass()) {
+}
+
+SurfacesImpl::~SurfacesImpl() {
+  factory_.DestroyAll();
+}
+
+void SurfacesImpl::GetIdNamespace(
+    const Surface::GetIdNamespaceCallback& callback) {
+  callback.Run(id_namespace_);
+}
+
+void SurfacesImpl::SetResourceReturner(mojo::ResourceReturnerPtr returner) {
+  returner_ = returner.Pass();
+}
+
+void SurfacesImpl::CreateSurface(uint32_t local_id) {
+  factory_.Create(QualifyIdentifier(local_id));
+}
+
+void SurfacesImpl::SubmitFrame(uint32_t local_id,
+                               mojo::FramePtr frame,
+                               const mojo::Closure& callback) {
+  TRACE_EVENT0("mojo", "SurfacesImpl::SubmitFrame");
+  factory_.SubmitFrame(QualifyIdentifier(local_id),
+                       frame.To<scoped_ptr<cc::CompositorFrame>>(),
+                       base::Bind(&CallCallback, callback));
+  scheduler_->SetNeedsDraw();
+}
+
+void SurfacesImpl::DestroySurface(uint32_t local_id) {
+  factory_.Destroy(QualifyIdentifier(local_id));
+}
+
+void SurfacesImpl::ReturnResources(const cc::ReturnedResourceArray& resources) {
+  if (resources.empty() || !returner_)
+    return;
+  mojo::Array<mojo::ReturnedResourcePtr> ret(resources.size());
+  for (size_t i = 0; i < resources.size(); ++i) {
+    ret[i] = mojo::ReturnedResource::From(resources[i]);
+  }
+  returner_->ReturnResources(ret.Pass());
+}
+
+cc::SurfaceId SurfacesImpl::QualifyIdentifier(uint32_t local_id) {
+  return cc::SurfaceId(static_cast<uint64_t>(id_namespace_) << 32 | local_id);
+}
+
+}  // namespace mojo