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 "content/browser/renderer_host/delegated_frame_evictor.h" 6 7#include "base/logging.h" 8 9namespace content { 10 11DelegatedFrameEvictor::DelegatedFrameEvictor( 12 DelegatedFrameEvictorClient* client) 13 : client_(client), has_frame_(false) {} 14 15DelegatedFrameEvictor::~DelegatedFrameEvictor() { DiscardedFrame(); } 16 17void DelegatedFrameEvictor::SwappedFrame(bool visible) { 18 has_frame_ = true; 19 RendererFrameManager::GetInstance()->AddFrame(this, visible); 20} 21 22void DelegatedFrameEvictor::DiscardedFrame() { 23 RendererFrameManager::GetInstance()->RemoveFrame(this); 24 has_frame_ = false; 25} 26 27void DelegatedFrameEvictor::SetVisible(bool visible) { 28 if (has_frame_) { 29 if (visible) { 30 RendererFrameManager::GetInstance()->LockFrame(this); 31 } else { 32 RendererFrameManager::GetInstance()->UnlockFrame(this); 33 } 34 } 35} 36 37void DelegatedFrameEvictor::LockFrame() { 38 DCHECK(has_frame_); 39 RendererFrameManager::GetInstance()->LockFrame(this); 40} 41 42void DelegatedFrameEvictor::UnlockFrame() { 43 DCHECK(has_frame_); 44 RendererFrameManager::GetInstance()->UnlockFrame(this); 45} 46 47void DelegatedFrameEvictor::EvictCurrentFrame() { 48 client_->EvictDelegatedFrame(); 49} 50 51} // namespace content 52