Mandoline: Merge Surfaces and Views apps

components/view_manager/surfaces/display_impl.cc

-// 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 "components/view_manager/surfaces/display_impl.h"
-
-#include "cc/output/compositor_frame.h"
-#include "cc/surfaces/display.h"
-#include "components/view_manager/surfaces/surfaces_context_provider.h"
-#include "components/view_manager/surfaces/surfaces_output_surface.h"
-#include "components/view_manager/surfaces/surfaces_scheduler.h"
-#include "components/view_manager/surfaces/surfaces_service_application.h"
-#include "mojo/converters/geometry/geometry_type_converters.h"
-#include "mojo/converters/surfaces/surfaces_type_converters.h"
-
-namespace surfaces {
-namespace {
-void CallCallback(const mojo::Closure& callback, cc::SurfaceDrawStatus status) {
-  callback.Run();
-}
-}
-
-DisplayImpl::DisplayImpl(SurfacesServiceApplication* application,
-                         cc::SurfaceManager* manager,
-                         cc::SurfaceId cc_id,
-                         SurfacesScheduler* scheduler,
-                         mojo::ContextProviderPtr context_provider,
-                         mojo::ResourceReturnerPtr returner,
-                         mojo::InterfaceRequest<mojo::Display> display_request)
-    : application_(application),
-      manager_(manager),
-      factory_(manager, this),
-      cc_id_(cc_id),
-      scheduler_(scheduler),
-      context_provider_(context_provider.Pass()),
-      returner_(returner.Pass()),
-      viewport_param_binding_(this),
-      display_binding_(this, display_request.Pass()) {
-  application_->DisplayCreated(this);
-  mojo::ViewportParameterListenerPtr viewport_parameter_listener;
-  viewport_param_binding_.Bind(GetProxy(&viewport_parameter_listener));
-  context_provider_->Create(
-      viewport_parameter_listener.Pass(),
-      base::Bind(&DisplayImpl::OnContextCreated, base::Unretained(this)));
-  factory_.Create(cc_id_);
-}
-
-void DisplayImpl::OnContextCreated(mojo::CommandBufferPtr gles2_client) {
-  DCHECK(!display_);
-
-  cc::RendererSettings settings;
-  display_.reset(new cc::Display(this, manager_, nullptr, nullptr, settings));
-  scheduler_->AddDisplay(display_.get());
-
-  // TODO(brianderson): Reconcile with SurfacesScheduler crbug.com/476676
-  cc::DisplayScheduler* null_display_scheduler = nullptr;
-  display_->Initialize(make_scoped_ptr(new surfaces::DirectOutputSurface(
-                           new surfaces::SurfacesContextProvider(
-                               gles2_client.PassInterface().PassHandle()))),
-                       null_display_scheduler);
-  display_->Resize(last_submitted_frame_size_);
-
-  display_->SetSurfaceId(cc_id_, 1.f);
-  if (pending_frame_)
-    Draw();
-}
-
-DisplayImpl::~DisplayImpl() {
-  if (display_) {
-    factory_.Destroy(cc_id_);
-    scheduler_->RemoveDisplay(display_.get());
-    // By deleting the object after display_ is reset, OutputSurfaceLost can
-    // know not to do anything (which would result in double delete).
-    delete display_.release();
-  }
-  application_->DisplayDestroyed(this);
-}
-
-void DisplayImpl::SubmitFrame(mojo::FramePtr frame,
-                              const SubmitFrameCallback& callback) {
-  DCHECK(pending_callback_.is_null());
-  pending_frame_ = frame.Pass();
-  pending_callback_ = callback;
-  if (display_)
-    Draw();
-}
-
-void DisplayImpl::Draw() {
-  gfx::Size frame_size =
-      pending_frame_->passes[0]->output_rect.To<gfx::Rect>().size();
-  last_submitted_frame_size_ = frame_size;
-  display_->Resize(frame_size);
-  factory_.SubmitFrame(cc_id_,
-                       pending_frame_.To<scoped_ptr<cc::CompositorFrame>>(),
-                       base::Bind(&CallCallback, pending_callback_));
-  pending_frame_.reset();
-  scheduler_->SetNeedsDraw();
-  pending_callback_.reset();
-}
-
-void DisplayImpl::CommitVSyncParameters(base::TimeTicks timebase,
-                                        base::TimeDelta interval) {
-}
-
-void DisplayImpl::OutputSurfaceLost() {
-  if (!display_)  // Shutdown case
-    return;
-
-  // If our OutputSurface is lost we can't draw until we get a new one. For now,
-  // destroy the display and create a new one when our ContextProvider provides
-  // a new one.
-  // TODO: This is more violent than necessary - we could simply remove this
-  // display from the scheduler's set and pass a new context in to the
-  // OutputSurface. It should be able to reinitialize properly.
-  scheduler_->RemoveDisplay(display_.get());
-  display_.reset();
-  viewport_param_binding_.Close();
-  mojo::ViewportParameterListenerPtr viewport_parameter_listener;
-  viewport_param_binding_.Bind(GetProxy(&viewport_parameter_listener));
-  context_provider_->Create(
-      viewport_parameter_listener.Pass(),
-      base::Bind(&DisplayImpl::OnContextCreated, base::Unretained(this)));
-}
-
-void DisplayImpl::SetMemoryPolicy(const cc::ManagedMemoryPolicy& policy) {
-}
-
-void DisplayImpl::OnVSyncParametersUpdated(int64_t timebase, int64_t interval) {
-  scheduler_->OnVSyncParametersUpdated(
-      base::TimeTicks::FromInternalValue(timebase),
-      base::TimeDelta::FromInternalValue(interval));
-}
-
-void DisplayImpl::ReturnResources(const cc::ReturnedResourceArray& resources) {
-  if (resources.empty())
-    return;
-  DCHECK(returner_);
-
-  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());
-}
-
-}  // namespace surfaces