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Unified Diff: ui/aura/monitor_change_observer_x11.cc

Issue 10675011: Rename the remaining usage of Monitor to Display (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: sync Created 8 years, 6 months ago
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Index: ui/aura/monitor_change_observer_x11.cc
diff --git a/ui/aura/monitor_change_observer_x11.cc b/ui/aura/monitor_change_observer_x11.cc
deleted file mode 100644
index cbd67c1cc4c3993047c379270cad5da425e2aa31..0000000000000000000000000000000000000000
--- a/ui/aura/monitor_change_observer_x11.cc
+++ /dev/null
@@ -1,151 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ui/aura/monitor_change_observer_x11.h"
-
-#include <algorithm>
-#include <map>
-#include <set>
-#include <vector>
-
-#include <X11/extensions/Xrandr.h>
-
-#include "base/message_pump_aurax11.h"
-#include "ui/aura/dispatcher_linux.h"
-#include "ui/aura/env.h"
-#include "ui/aura/monitor_manager.h"
-#include "ui/compositor/dip_util.h"
-#include "ui/gfx/display.h"
-
-namespace aura {
-namespace internal {
-
-namespace {
-
-// The DPI threshold to detect high density screen.
-// Higher DPI than this will use device_scale_factor=2.
-// Note: This value has to be kept in sync with the mouse/touchpad driver
-// which controls mouse pointer acceleration. If you need to update this value,
-// please update the bug (crosbug.com/31628) first and make sure that the
-// driver will use the same value.
-// This value also has to be kept in sync with the value in
-// chromeos/monitor/output_configurator.cc. See crbug.com/130188
-const unsigned int kHighDensityDIPThreshold = 160;
-
-// 1 inch in mm.
-const float kInchInMm = 25.4f;
-
-XRRModeInfo* FindMode(XRRScreenResources* screen_resources, XID current_mode) {
- for (int m = 0; m < screen_resources->nmode; m++) {
- XRRModeInfo *mode = &screen_resources->modes[m];
- if (mode->id == current_mode)
- return mode;
- }
- return NULL;
-}
-
-bool CompareDisplayY(const gfx::Display& lhs, const gfx::Display& rhs) {
- return lhs.bounds_in_pixel().y() < rhs.bounds_in_pixel().y();
-}
-
-} // namespace
-
-MonitorChangeObserverX11::MonitorChangeObserverX11()
- : xdisplay_(base::MessagePumpAuraX11::GetDefaultXDisplay()),
- x_root_window_(DefaultRootWindow(xdisplay_)),
- xrandr_event_base_(0) {
- int error_base_ignored;
- XRRQueryExtension(xdisplay_, &xrandr_event_base_, &error_base_ignored);
- static_cast<DispatcherLinux*>(Env::GetInstance()->GetDispatcher())->
- AddDispatcherForRootWindow(this);
-}
-
-MonitorChangeObserverX11::~MonitorChangeObserverX11() {
- static_cast<DispatcherLinux*>(Env::GetInstance()->GetDispatcher())->
- RemoveDispatcherForRootWindow(this);
-}
-
-bool MonitorChangeObserverX11::Dispatch(const base::NativeEvent& event) {
- if (event->type - xrandr_event_base_ == RRScreenChangeNotify) {
- NotifyDisplayChange();
- }
- return true;
-}
-
-void MonitorChangeObserverX11::NotifyDisplayChange() {
- if (!MonitorManager::use_fullscreen_host_window())
- return; // Use the default monitor that monitor manager determined.
-
- XRRScreenResources* screen_resources =
- XRRGetScreenResources(xdisplay_, x_root_window_);
- std::map<XID, XRRCrtcInfo*> crtc_info_map;
-
- for (int c = 0; c < screen_resources->ncrtc; c++) {
- XID crtc_id = screen_resources->crtcs[c];
- XRRCrtcInfo *crtc_info =
- XRRGetCrtcInfo(xdisplay_, screen_resources, crtc_id);
- crtc_info_map[crtc_id] = crtc_info;
- }
-
- std::vector<gfx::Display> displays;
- std::set<int> y_coords;
- for (int o = 0; o < screen_resources->noutput; o++) {
- XRROutputInfo *output_info =
- XRRGetOutputInfo(xdisplay_,
- screen_resources,
- screen_resources->outputs[o]);
- if (output_info->connection != RR_Connected) {
- XRRFreeOutputInfo(output_info);
- continue;
- }
- XRRCrtcInfo* crtc_info = crtc_info_map[output_info->crtc];
- if (!crtc_info) {
- LOG(WARNING) << "Crtc not found for output: output=" << o;
- continue;
- }
- XRRModeInfo* mode = FindMode(screen_resources, crtc_info->mode);
- if (!mode) {
- LOG(WARNING) << "Could not find a mode for the output: output=" << o;
- continue;
- }
- // Mirrored monitors have the same y coordinates.
- if (y_coords.find(crtc_info->y) != y_coords.end())
- continue;
- // TODO(oshima): Create unique ID for the monitor.
- displays.push_back(gfx::Display(
- 0,
- gfx::Rect(crtc_info->x, crtc_info->y, mode->width, mode->height)));
-
- float device_scale_factor = 1.0f;
- if (output_info->mm_width > 0 &&
- (kInchInMm * mode->width / output_info->mm_width) >
- kHighDensityDIPThreshold) {
- device_scale_factor = 2.0f;
- }
- displays.back().set_device_scale_factor(device_scale_factor);
- y_coords.insert(crtc_info->y);
- XRRFreeOutputInfo(output_info);
- }
-
- // Free all allocated resources.
- for (std::map<XID, XRRCrtcInfo*>::const_iterator iter = crtc_info_map.begin();
- iter != crtc_info_map.end(); ++iter) {
- XRRFreeCrtcInfo(iter->second);
- }
- XRRFreeScreenResources(screen_resources);
-
- // PowerManager lays out the outputs vertically. Sort them by Y
- // coordinates.
- std::sort(displays.begin(), displays.end(), CompareDisplayY);
- // TODO(oshima): Assisgn index as ID for now. Use unique ID.
- int id = 0;
- for (std::vector<gfx::Display>::iterator iter = displays.begin();
- iter != displays.end(); ++iter, ++id)
- (*iter).set_id(id);
-
- Env::GetInstance()->monitor_manager()->OnNativeMonitorsChanged(displays);
-}
-
-} // namespace internal
-} // namespace aura
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