File: widget_swap_queue.cc

package info (click to toggle)
chromium 138.0.7204.183-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 6,071,908 kB
  • sloc: cpp: 34,937,088; ansic: 7,176,967; javascript: 4,110,704; python: 1,419,953; asm: 946,768; xml: 739,971; pascal: 187,324; sh: 89,623; perl: 88,663; objc: 79,944; sql: 50,304; cs: 41,786; fortran: 24,137; makefile: 21,806; php: 13,980; tcl: 13,166; yacc: 8,925; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (37 lines) | stat: -rw-r--r-- 1,209 bytes parent folder | download | duplicates (11) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
 
// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/platform/widget/compositing/widget_swap_queue.h"

namespace blink {

void WidgetSwapQueue::Queue(int source_frame_number,
                            VisualStateRequestCallback callback,
                            bool* is_first) {
  base::AutoLock lock(lock_);
  if (is_first)
    *is_first = (queue_.count(source_frame_number) == 0);

  queue_[source_frame_number].push_back(std::move(callback));
}

void WidgetSwapQueue::Drain(int source_frame_number) {
  base::AutoLock lock(lock_);
  auto end = queue_.upper_bound(source_frame_number);
  for (auto i = queue_.begin(); i != end; i++) {
    DCHECK(i->first <= source_frame_number);
    std::move(i->second.begin(), i->second.end(),
              std::back_inserter(next_callbacks_));
  }
  queue_.erase(queue_.begin(), end);
}

void WidgetSwapQueue::GetCallbacks(
    Vector<VisualStateRequestCallback>* callbacks) {
  std::move(next_callbacks_.begin(), next_callbacks_.end(),
            std::back_inserter(*callbacks));
  next_callbacks_.clear();
}

}  // namespace blink