| // Copyright 2016 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 "platform/graphics/CompositorMutatorClient.h" |
| |
| #include "base/bind.h" |
| #include "base/callback.h" |
| #include "base/trace_event/trace_event.h" |
| #include "cc/trees/layer_tree_impl.h" |
| #include "platform/graphics/CompositorMutableStateProvider.h" |
| #include "platform/graphics/CompositorMutation.h" |
| #include "platform/graphics/CompositorMutationsTarget.h" |
| #include "platform/graphics/CompositorMutator.h" |
| |
| namespace blink { |
| |
| CompositorMutatorClient::CompositorMutatorClient(CompositorMutator* mutator, CompositorMutationsTarget* mutationsTarget) |
| : m_client(nullptr) |
| , m_mutationsTarget(mutationsTarget) |
| , m_mutator(mutator) |
| , m_mutations(nullptr) |
| { |
| TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("compositor-worker"), "CompositorMutatorClient::CompositorMutatorClient"); |
| } |
| |
| CompositorMutatorClient::~CompositorMutatorClient() |
| { |
| TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("compositor-worker"), "CompositorMutatorClient::~CompositorMutatorClient"); |
| } |
| |
| bool CompositorMutatorClient::Mutate( |
| base::TimeTicks monotonicTime, |
| cc::LayerTreeImpl* treeImpl) |
| { |
| TRACE_EVENT0("compositor-worker", "CompositorMutatorClient::Mutate"); |
| double monotonicTimeNow = (monotonicTime - base::TimeTicks()).InSecondsF(); |
| if (!m_mutations) |
| m_mutations = adoptPtr(new CompositorMutations); |
| CompositorMutableStateProvider compositorState(treeImpl, m_mutations.get()); |
| bool shouldReinvoke = m_mutator->mutate(monotonicTimeNow, &compositorState); |
| return shouldReinvoke; |
| } |
| |
| void CompositorMutatorClient::SetClient(cc::LayerTreeMutatorClient* client) |
| { |
| TRACE_EVENT0("compositor-worker", "CompositorMutatorClient::SetClient"); |
| m_client = client; |
| setNeedsMutate(); |
| } |
| |
| base::Closure CompositorMutatorClient::TakeMutations() |
| { |
| TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("compositor-worker"), "CompositorMutatorClient::TakeMutations"); |
| if (!m_mutations) |
| return base::Closure(); |
| |
| return base::Bind(&CompositorMutationsTarget::applyMutations, |
| base::Unretained(m_mutationsTarget), |
| base::Owned(m_mutations.leakPtr())); |
| } |
| |
| void CompositorMutatorClient::setNeedsMutate() |
| { |
| TRACE_EVENT0("compositor-worker", "CompositorMutatorClient::setNeedsMutate"); |
| m_client->SetNeedsMutate(); |
| } |
| |
| void CompositorMutatorClient::setMutationsForTesting(PassOwnPtr<CompositorMutations> mutations) |
| { |
| m_mutations = std::move(mutations); |
| } |
| |
| } // namespace blink |