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Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/modules/desktop_capture/linux/x11/x_window_property.cc | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_window_property.cc b/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_window_property.cc new file mode 100644 index 0000000000..5e16dac404 --- /dev/null +++ b/third_party/libwebrtc/modules/desktop_capture/linux/x11/x_window_property.cc @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2019 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "modules/desktop_capture/linux/x11/x_window_property.h" + +namespace webrtc { + +XWindowPropertyBase::XWindowPropertyBase(Display* display, + Window window, + Atom property, + int expected_size) { + const int kBitsPerByte = 8; + Atom actual_type; + int actual_format; + unsigned long bytes_after; // NOLINT: type required by XGetWindowProperty + int status = XGetWindowProperty(display, window, property, 0L, ~0L, False, + AnyPropertyType, &actual_type, &actual_format, + &size_, &bytes_after, &data_); + if (status != Success) { + data_ = nullptr; + return; + } + if ((expected_size * kBitsPerByte) != actual_format) { + size_ = 0; + return; + } + + is_valid_ = true; +} + +XWindowPropertyBase::~XWindowPropertyBase() { + if (data_) + XFree(data_); +} + +} // namespace webrtc |