content/browser/compositor/resize_lock.cc

   1 // Copyright 2014 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/compositor/resize_lock.h"
   6
   7 namespace content {
   8
   9 ResizeLock::ResizeLock(const gfx::Size new_size, bool defer_compositor_lock)
  10     : new_size_(new_size),
  11       defer_compositor_lock_(defer_compositor_lock) {
  12   if (!defer_compositor_lock_)
  13     LockCompositor();
  14 }
  15
  16 ResizeLock::~ResizeLock() {
  17   UnlockCompositor();
  18 }
  19
  20 bool ResizeLock::GrabDeferredLock() {
  21   if (!defer_compositor_lock_)
  22     return false;
  23   LockCompositor();
  24   return true;
  25 }
  26
  27 void ResizeLock::UnlockCompositor() {
  28   defer_compositor_lock_ = false;
  29 }
  30
  31 void ResizeLock::LockCompositor() {
  32   defer_compositor_lock_ = false;
  33 }
  34
  35 }  // namespace content