368f5cf27e
BUG=webrtc:5118 Review-Url: https://codereview.webrtc.org/2781343002 Cr-Commit-Position: refs/heads/master@{#17539}
56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
/*
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* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/modules/desktop_capture/win/scoped_thread_desktop.h"
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#include "webrtc/modules/desktop_capture/win/desktop.h"
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namespace webrtc {
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ScopedThreadDesktop::ScopedThreadDesktop()
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: initial_(Desktop::GetThreadDesktop()) {
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}
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ScopedThreadDesktop::~ScopedThreadDesktop() {
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Revert();
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}
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bool ScopedThreadDesktop::IsSame(const Desktop& desktop) {
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if (assigned_.get() != NULL) {
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return assigned_->IsSame(desktop);
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} else {
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return initial_->IsSame(desktop);
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}
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}
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void ScopedThreadDesktop::Revert() {
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if (assigned_.get() != NULL) {
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initial_->SetThreadDesktop();
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assigned_.reset();
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}
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}
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bool ScopedThreadDesktop::SetThreadDesktop(Desktop* desktop) {
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Revert();
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std::unique_ptr<Desktop> scoped_desktop(desktop);
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if (initial_->IsSame(*desktop))
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return true;
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if (!desktop->SetThreadDesktop())
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return false;
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assigned_.reset(scoped_desktop.release());
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return true;
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}
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} // namespace webrtc
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