cc/test/fake_layer_tree_host.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "cc/test/fake_layer_tree_host.h"
   6
   7 #include "cc/layers/layer.h"
   8 #include "cc/test/test_task_graph_runner.h"
   9
  10 namespace cc {
  11 FakeLayerTreeHost::FakeLayerTreeHost(FakeLayerTreeHostClient* client,
  12                                      LayerTreeHost::InitParams* params)
  13     : LayerTreeHost(params),
  14       client_(client),
  15       host_impl_(*params->settings,
  16                  &proxy_,
  17                  &manager_,
  18                  params->task_graph_runner),
  19       needs_commit_(false) {
  20   client_->SetLayerTreeHost(this);
  21 }
  22
  23 scoped_ptr<FakeLayerTreeHost> FakeLayerTreeHost::Create(
  24     FakeLayerTreeHostClient* client,
  25     TestTaskGraphRunner* task_graph_runner) {
  26   LayerTreeSettings settings;
  27   settings.verify_property_trees = true;
  28   return Create(client, task_graph_runner, settings);
  29 }
  30
  31 scoped_ptr<FakeLayerTreeHost> FakeLayerTreeHost::Create(
  32     FakeLayerTreeHostClient* client,
  33     TestTaskGraphRunner* task_graph_runner,
  34     const LayerTreeSettings& settings) {
  35   LayerTreeHost::InitParams params;
  36   params.client = client;
  37   params.settings = &settings;
  38   params.task_graph_runner = task_graph_runner;
  39   return make_scoped_ptr(new FakeLayerTreeHost(client, &params));
  40 }
  41
  42 FakeLayerTreeHost::~FakeLayerTreeHost() {
  43   client_->SetLayerTreeHost(NULL);
  44 }
  45
  46 void FakeLayerTreeHost::SetNeedsCommit() { needs_commit_ = true; }
  47
  48 LayerImpl* FakeLayerTreeHost::CommitAndCreateLayerImplTree() {
  49   scoped_ptr<LayerImpl> old_root_layer_impl = active_tree()->DetachLayerTree();
  50
  51   scoped_ptr<LayerImpl> layer_impl = TreeSynchronizer::SynchronizeTrees(
  52       root_layer(), old_root_layer_impl.Pass(), active_tree());
  53   active_tree()->SetPropertyTrees(*property_trees());
  54   TreeSynchronizer::PushProperties(root_layer(), layer_impl.get());
  55
  56   active_tree()->SetRootLayer(layer_impl.Pass());
  57
  58   if (page_scale_layer() && inner_viewport_scroll_layer()) {
  59     active_tree()->SetViewportLayersFromIds(
  60         overscroll_elasticity_layer() ? overscroll_elasticity_layer()->id()
  61                                       : Layer::INVALID_ID,
  62         page_scale_layer()->id(), inner_viewport_scroll_layer()->id(),
  63         outer_viewport_scroll_layer() ? outer_viewport_scroll_layer()->id()
  64                                       : Layer::INVALID_ID);
  65   }
  66
  67   active_tree()->UpdatePropertyTreesForBoundsDelta();
  68   return active_tree()->root_layer();
  69 }
  70
  71 }  // namespace cc