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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
// 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.
#ifndef REMOTING_HOST_LINUX_DESKTOP_RESIZER_X11_H_
#define REMOTING_HOST_LINUX_DESKTOP_RESIZER_X11_H_
#include "base/timer/timer.h"
#include "remoting/host/desktop_resizer.h"
#include "remoting/host/linux/gnome_display_config.h"
#include "remoting/host/linux/gnome_display_config_dbus_client.h"
#include "ui/gfx/x/connection.h"
#include "ui/gfx/x/randr_output_manager.h"
namespace remoting {
class DesktopResizerX11 : public DesktopResizer {
public:
DesktopResizerX11();
DesktopResizerX11(const DesktopResizerX11&) = delete;
DesktopResizerX11& operator=(const DesktopResizerX11&) = delete;
~DesktopResizerX11() override;
// DesktopResizer interface
ScreenResolution GetCurrentResolution(webrtc::ScreenId screen_id) override;
std::list<ScreenResolution> GetSupportedResolutions(
const ScreenResolution& preferred,
webrtc::ScreenId screen_id) override;
void SetResolution(const ScreenResolution& resolution,
webrtc::ScreenId screen_id) override;
void RestoreResolution(const ScreenResolution& original,
webrtc::ScreenId screen_id) override;
void SetVideoLayout(const protocol::VideoLayout& layout) override;
private:
using OutputInfoList = std::vector<
std::pair<x11::RandR::Output, x11::RandR::GetOutputInfoReply>>;
// Add a mode matching the specified resolution and switch to it.
void SetResolutionForOutput(x11::RandR::Output output,
const ScreenResolution& resolution);
// Gets a list of outputs that are not connected to any CRTCs.
OutputInfoList GetDisabledOutputs();
void RequestGnomeDisplayConfig();
void OnGnomeDisplayConfigReceived(GnomeDisplayConfig config);
x11::RandR* RandR() const { return &connection_->randr(); }
const x11::Window& RootWindow() const {
return connection_->default_screen().root;
}
raw_ptr<x11::Connection> connection_;
x11::RandROutputManager randr_output_manager_;
bool has_randr_;
bool is_virtual_session_;
// Used to fetch GNOME's current scale setting, so the correct
// text-scaling-factor can be calculated.
GnomeDisplayConfigDBusClient gnome_display_config_;
// Used to rate-limit requests to GNOME.
base::OneShotTimer gnome_delay_timer_;
int requested_dpi_;
// Used to set the text-scaling-factor.
ScopedGObject<GSettings> registry_;
};
} // namespace remoting
#endif // REMOTING_HOST_LINUX_DESKTOP_RESIZER_X11_H_
|
