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// Copyright (c) 2011 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 "remoting/host/capturer_helper.h"
#include <algorithm>
#include <iterator>
namespace remoting {
CapturerHelper::CapturerHelper() : size_most_recent_(0, 0) {
}
CapturerHelper::~CapturerHelper() {
}
void CapturerHelper::ClearInvalidRects() {
base::AutoLock auto_inval_rects_lock(inval_rects_lock_);
inval_rects_.clear();
}
void CapturerHelper::InvalidateRects(const InvalidRects& inval_rects) {
base::AutoLock auto_inval_rects_lock(inval_rects_lock_);
InvalidRects temp_rects;
std::set_union(inval_rects_.begin(), inval_rects_.end(),
inval_rects.begin(), inval_rects.end(),
std::inserter(temp_rects, temp_rects.begin()));
inval_rects_.swap(temp_rects);
}
void CapturerHelper::InvalidateScreen(const gfx::Size& size) {
base::AutoLock auto_inval_rects_lock(inval_rects_lock_);
inval_rects_.clear();
inval_rects_.insert(gfx::Rect(0, 0, size.width(), size.height()));
}
void CapturerHelper::InvalidateFullScreen() {
if (size_most_recent_ != gfx::Size(0, 0))
InvalidateScreen(size_most_recent_);
}
bool CapturerHelper::IsCaptureFullScreen(const gfx::Size& size) {
base::AutoLock auto_inval_rects_lock(inval_rects_lock_);
return inval_rects_.size() == 1u &&
inval_rects_.begin()->x() == 0 && inval_rects_.begin()->y() == 0 &&
inval_rects_.begin()->width() == size.width() &&
inval_rects_.begin()->height() == size.height();
}
void CapturerHelper::SwapInvalidRects(InvalidRects& inval_rects) {
base::AutoLock auto_inval_rects_lock(inval_rects_lock_);
inval_rects.swap(inval_rects_);
}
const gfx::Size& CapturerHelper::size_most_recent() const {
return size_most_recent_;
}
void CapturerHelper::set_size_most_recent(const gfx::Size& size) {
size_most_recent_ = size;
}
} // namespace remoting
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