1 // Copyright (c) 2012 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.
5 #include "ash/display/display_manager.h"
13 #include "ash/ash_switches.h"
14 #include "ash/display/display_layout_store.h"
15 #include "ash/display/display_util.h"
16 #include "ash/display/extended_mouse_warp_controller.h"
17 #include "ash/display/null_mouse_warp_controller.h"
18 #include "ash/display/screen_ash.h"
19 #include "ash/display/unified_mouse_warp_controller.h"
20 #include "ash/screen_util.h"
21 #include "ash/shell.h"
22 #include "base/auto_reset.h"
23 #include "base/command_line.h"
24 #include "base/logging.h"
25 #include "base/metrics/histogram.h"
26 #include "base/run_loop.h"
27 #include "base/strings/string_number_conversions.h"
28 #include "base/strings/string_split.h"
29 #include "base/strings/stringprintf.h"
30 #include "base/strings/utf_string_conversions.h"
31 #include "grit/ash_strings.h"
32 #include "ui/base/l10n/l10n_util.h"
33 #include "ui/gfx/display.h"
34 #include "ui/gfx/display_observer.h"
35 #include "ui/gfx/font_render_params.h"
36 #include "ui/gfx/geometry/rect.h"
37 #include "ui/gfx/geometry/size_conversions.h"
38 #include "ui/gfx/screen.h"
41 #include "ui/base/x/x11_util.h"
44 #if defined(OS_CHROMEOS)
45 #include "ash/display/display_configurator_animation.h"
46 #include "base/sys_info.h"
50 #include "base/win/windows_version.h"
53 #include "base/debug/stack_trace.h"
56 typedef std::vector
<gfx::Display
> DisplayList
;
57 typedef std::vector
<DisplayInfo
> DisplayInfoList
;
61 // We need to keep this in order for unittests to tell if
62 // the object in gfx::Screen::GetScreenByType is for shutdown.
63 gfx::Screen
* screen_for_shutdown
= NULL
;
65 // The number of pixels to overlap between the primary and secondary displays,
66 // in case that the offset value is too large.
67 const int kMinimumOverlapForInvalidOffset
= 100;
69 struct DisplaySortFunctor
{
70 bool operator()(const gfx::Display
& a
, const gfx::Display
& b
) {
71 return a
.id() < b
.id();
75 struct DisplayInfoSortFunctor
{
76 bool operator()(const DisplayInfo
& a
, const DisplayInfo
& b
) {
77 return a
.id() < b
.id();
81 struct DisplayModeMatcher
{
82 DisplayModeMatcher(const DisplayMode
& target_mode
)
83 : target_mode(target_mode
) {}
84 bool operator()(const DisplayMode
& mode
) {
85 return target_mode
.IsEquivalent(mode
);
87 DisplayMode target_mode
;
90 gfx::Display
& GetInvalidDisplay() {
91 static gfx::Display
* invalid_display
= new gfx::Display();
92 return *invalid_display
;
95 void SetInternalDisplayModeList(DisplayInfo
* info
) {
96 DisplayMode native_mode
;
97 native_mode
.size
= info
->bounds_in_native().size();
98 native_mode
.device_scale_factor
= info
->device_scale_factor();
99 native_mode
.ui_scale
= 1.0f
;
100 info
->SetDisplayModes(CreateInternalDisplayModeList(native_mode
));
103 void MaybeInitInternalDisplay(DisplayInfo
* info
) {
104 int64 id
= info
->id();
105 base::CommandLine
* command_line
= base::CommandLine::ForCurrentProcess();
106 if (command_line
->HasSwitch(switches::kAshUseFirstDisplayAsInternal
)) {
107 gfx::Display::SetInternalDisplayId(id
);
108 SetInternalDisplayModeList(info
);
112 bool IsInternalDisplayId(int64 id
) {
113 return gfx::Display::InternalDisplayId() == id
;
122 int64
DisplayManager::kUnifiedDisplayId
= -10;
124 DisplayManager::DisplayManager()
126 screen_(new ScreenAsh
),
127 layout_store_(new DisplayLayoutStore
),
128 first_display_id_(gfx::Display::kInvalidDisplayID
),
129 num_connected_displays_(0),
130 force_bounds_changed_(false),
131 change_display_upon_host_resize_(false),
132 multi_display_mode_(EXTENDED
),
133 default_multi_display_mode_(EXTENDED
),
134 mirroring_display_id_(gfx::Display::kInvalidDisplayID
),
135 registered_internal_display_rotation_lock_(false),
136 registered_internal_display_rotation_(gfx::Display::ROTATE_0
),
137 weak_ptr_factory_(this) {
138 #if defined(OS_CHROMEOS)
139 // Enable only on the device so that DisplayManagerFontTest passes.
140 if (base::SysInfo::IsRunningOnChromeOS())
141 DisplayInfo::SetUse125DSFForUIScaling(true);
143 if (switches::UnifiedDesktopEnabled())
144 multi_display_mode_
= default_multi_display_mode_
= UNIFIED
;
146 change_display_upon_host_resize_
= !base::SysInfo::IsRunningOnChromeOS();
148 gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_ALTERNATE
, screen_
.get());
149 gfx::Screen
* current_native
=
150 gfx::Screen::GetScreenByType(gfx::SCREEN_TYPE_NATIVE
);
151 // If there is no native, or the native was for shutdown,
153 if (!current_native
||
154 current_native
== screen_for_shutdown
) {
155 gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE
, screen_
.get());
159 DisplayManager::~DisplayManager() {
160 #if defined(OS_CHROMEOS)
161 // Reset the font params.
162 gfx::SetFontRenderParamsDeviceScaleFactor(1.0f
);
166 bool DisplayManager::InitFromCommandLine() {
167 DisplayInfoList info_list
;
168 base::CommandLine
* command_line
= base::CommandLine::ForCurrentProcess();
169 if (!command_line
->HasSwitch(switches::kAshHostWindowBounds
))
171 const string size_str
=
172 command_line
->GetSwitchValueASCII(switches::kAshHostWindowBounds
);
173 vector
<string
> parts
;
174 base::SplitString(size_str
, ',', &parts
);
175 for (vector
<string
>::const_iterator iter
= parts
.begin();
176 iter
!= parts
.end(); ++iter
) {
177 info_list
.push_back(DisplayInfo::CreateFromSpec(*iter
));
178 info_list
.back().set_native(true);
180 MaybeInitInternalDisplay(&info_list
[0]);
181 if (info_list
.size() > 1 &&
182 command_line
->HasSwitch(switches::kAshEnableSoftwareMirroring
)) {
183 SetMultiDisplayMode(MIRRORING
);
185 OnNativeDisplaysChanged(info_list
);
189 void DisplayManager::InitDefaultDisplay() {
190 DisplayInfoList info_list
;
191 info_list
.push_back(DisplayInfo::CreateFromSpec(std::string()));
192 info_list
.back().set_native(true);
193 MaybeInitInternalDisplay(&info_list
[0]);
194 OnNativeDisplaysChanged(info_list
);
197 void DisplayManager::RefreshFontParams() {
198 #if defined(OS_CHROMEOS)
199 // Use the largest device scale factor among currently active displays. Non
200 // internal display may have bigger scale factor in case the external display
202 float largest_device_scale_factor
= 1.0f
;
203 for (const gfx::Display
& display
: active_display_list_
) {
204 const ash::DisplayInfo
& info
= display_info_
[display
.id()];
205 largest_device_scale_factor
= std::max(
206 largest_device_scale_factor
, info
.GetEffectiveDeviceScaleFactor());
208 gfx::SetFontRenderParamsDeviceScaleFactor(largest_device_scale_factor
);
209 #endif // OS_CHROMEOS
212 DisplayLayout
DisplayManager::GetCurrentDisplayLayout() {
213 DCHECK_LE(2U, num_connected_displays());
214 // Invert if the primary was swapped.
215 if (num_connected_displays() == 2) {
216 DisplayIdPair pair
= GetCurrentDisplayIdPair();
217 return layout_store_
->ComputeDisplayLayoutForDisplayIdPair(pair
);
218 } else if (num_connected_displays() > 2) {
219 // Return fixed horizontal layout for >= 3 displays.
220 DisplayLayout
layout(DisplayLayout::RIGHT
, 0);
223 NOTREACHED() << "DisplayLayout is requested for single display";
224 // On release build, just fallback to default instead of blowing up.
225 DisplayLayout layout
=
226 layout_store_
->default_display_layout();
227 layout
.primary_id
= active_display_list_
[0].id();
231 DisplayIdPair
DisplayManager::GetCurrentDisplayIdPair() const {
232 if (IsInUnifiedMode()) {
233 return std::make_pair(software_mirroring_display_list_
[0].id(),
234 software_mirroring_display_list_
[1].id());
235 } else if (IsInMirrorMode()) {
236 if (software_mirroring_enabled()) {
237 CHECK_EQ(2u, num_connected_displays());
238 // This comment is to make it easy to distinguish the crash
239 // between two checks.
240 CHECK_EQ(1u, active_display_list_
.size());
242 return std::make_pair(active_display_list_
[0].id(), mirroring_display_id_
);
244 CHECK_LE(2u, active_display_list_
.size());
245 int64 id_at_zero
= active_display_list_
[0].id();
246 if (id_at_zero
== gfx::Display::InternalDisplayId() ||
247 id_at_zero
== first_display_id()) {
248 return std::make_pair(id_at_zero
, active_display_list_
[1].id());
250 return std::make_pair(active_display_list_
[1].id(), id_at_zero
);
255 void DisplayManager::SetLayoutForCurrentDisplays(
256 const DisplayLayout
& layout_relative_to_primary
) {
257 if (GetNumDisplays() != 2)
259 const gfx::Display
& primary
= screen_
->GetPrimaryDisplay();
260 const DisplayIdPair pair
= GetCurrentDisplayIdPair();
261 // Invert if the primary was swapped.
262 DisplayLayout to_set
= pair
.first
== primary
.id() ?
263 layout_relative_to_primary
: layout_relative_to_primary
.Invert();
265 DisplayLayout current_layout
=
266 layout_store_
->GetRegisteredDisplayLayout(pair
);
267 if (to_set
.position
!= current_layout
.position
||
268 to_set
.offset
!= current_layout
.offset
) {
269 to_set
.primary_id
= primary
.id();
270 layout_store_
->RegisterLayoutForDisplayIdPair(
271 pair
.first
, pair
.second
, to_set
);
273 delegate_
->PreDisplayConfigurationChange(false);
274 // PreDisplayConfigurationChange(false);
275 // TODO(oshima): Call UpdateDisplays instead.
276 const DisplayLayout layout
= GetCurrentDisplayLayout();
277 UpdateDisplayBoundsForLayout(
279 FindDisplayForId(ScreenUtil::GetSecondaryDisplay().id()));
281 // Primary's bounds stay the same. Just notify bounds change
283 screen_
->NotifyMetricsChanged(
284 ScreenUtil::GetSecondaryDisplay(),
285 gfx::DisplayObserver::DISPLAY_METRIC_BOUNDS
|
286 gfx::DisplayObserver::DISPLAY_METRIC_WORK_AREA
);
288 delegate_
->PostDisplayConfigurationChange();
292 const gfx::Display
& DisplayManager::GetDisplayForId(int64 id
) const {
293 gfx::Display
* display
=
294 const_cast<DisplayManager
*>(this)->FindDisplayForId(id
);
295 return display
? *display
: GetInvalidDisplay();
298 const gfx::Display
& DisplayManager::FindDisplayContainingPoint(
299 const gfx::Point
& point_in_screen
) const {
301 FindDisplayIndexContainingPoint(active_display_list_
, point_in_screen
);
302 return index
< 0 ? GetInvalidDisplay() : active_display_list_
[index
];
305 bool DisplayManager::UpdateWorkAreaOfDisplay(int64 display_id
,
306 const gfx::Insets
& insets
) {
307 gfx::Display
* display
= FindDisplayForId(display_id
);
309 gfx::Rect old_work_area
= display
->work_area();
310 display
->UpdateWorkAreaFromInsets(insets
);
311 return old_work_area
!= display
->work_area();
314 void DisplayManager::SetOverscanInsets(int64 display_id
,
315 const gfx::Insets
& insets_in_dip
) {
317 DisplayInfoList display_info_list
;
318 for (const auto& display
: active_display_list_
) {
319 DisplayInfo info
= GetDisplayInfo(display
.id());
320 if (info
.id() == display_id
) {
321 if (insets_in_dip
.empty()) {
322 info
.set_clear_overscan_insets(true);
324 info
.set_clear_overscan_insets(false);
325 info
.SetOverscanInsets(insets_in_dip
);
329 display_info_list
.push_back(info
);
332 AddMirrorDisplayInfoIfAny(&display_info_list
);
333 UpdateDisplays(display_info_list
);
335 display_info_
[display_id
].SetOverscanInsets(insets_in_dip
);
339 void DisplayManager::SetDisplayRotation(int64 display_id
,
340 gfx::Display::Rotation rotation
,
341 gfx::Display::RotationSource source
) {
342 DisplayInfoList display_info_list
;
343 for (const auto& display
: active_display_list_
) {
344 DisplayInfo info
= GetDisplayInfo(display
.id());
345 if (info
.id() == display_id
) {
346 if (info
.GetRotation(source
) == rotation
&&
347 info
.GetActiveRotation() == rotation
) {
350 info
.SetRotation(rotation
, source
);
352 display_info_list
.push_back(info
);
354 AddMirrorDisplayInfoIfAny(&display_info_list
);
355 UpdateDisplays(display_info_list
);
358 bool DisplayManager::SetDisplayUIScale(int64 display_id
,
360 if (!IsDisplayUIScalingEnabled() ||
361 gfx::Display::InternalDisplayId() != display_id
) {
365 // TODO(mukai): merge this implementation into SetDisplayMode().
366 DisplayInfoList display_info_list
;
367 for (const auto& display
: active_display_list_
) {
368 DisplayInfo info
= GetDisplayInfo(display
.id());
369 if (info
.id() == display_id
) {
371 if (info
.configured_ui_scale() == ui_scale
)
373 if (!HasDisplayModeForUIScale(info
, ui_scale
))
375 info
.set_configured_ui_scale(ui_scale
);
377 display_info_list
.push_back(info
);
380 AddMirrorDisplayInfoIfAny(&display_info_list
);
381 UpdateDisplays(display_info_list
);
387 void DisplayManager::SetDisplayResolution(int64 display_id
,
388 const gfx::Size
& resolution
) {
389 DCHECK_NE(gfx::Display::InternalDisplayId(), display_id
);
390 if (gfx::Display::InternalDisplayId() == display_id
)
392 const DisplayInfo
& display_info
= GetDisplayInfo(display_id
);
393 const std::vector
<DisplayMode
>& modes
= display_info
.display_modes();
394 DCHECK_NE(0u, modes
.size());
395 DisplayMode target_mode
;
396 target_mode
.size
= resolution
;
397 std::vector
<DisplayMode
>::const_iterator iter
=
398 std::find_if(modes
.begin(), modes
.end(), DisplayModeMatcher(target_mode
));
399 if (iter
== modes
.end()) {
400 LOG(WARNING
) << "Unsupported resolution was requested:"
401 << resolution
.ToString();
404 display_modes_
[display_id
] = *iter
;
405 #if defined(OS_CHROMEOS)
406 if (base::SysInfo::IsRunningOnChromeOS())
407 Shell::GetInstance()->display_configurator()->OnConfigurationChanged();
411 bool DisplayManager::SetDisplayMode(int64 display_id
,
412 const DisplayMode
& display_mode
) {
413 if (IsInternalDisplayId(display_id
)) {
414 SetDisplayUIScale(display_id
, display_mode
.ui_scale
);
418 DisplayInfoList display_info_list
;
419 bool display_property_changed
= false;
420 bool resolution_changed
= false;
421 for (const auto& display
: active_display_list_
) {
422 DisplayInfo info
= GetDisplayInfo(display
.id());
423 if (info
.id() == display_id
) {
424 const std::vector
<DisplayMode
>& modes
= info
.display_modes();
425 std::vector
<DisplayMode
>::const_iterator iter
=
426 std::find_if(modes
.begin(),
428 DisplayModeMatcher(display_mode
));
429 if (iter
== modes
.end()) {
430 LOG(WARNING
) << "Unsupported resolution was requested:"
431 << display_mode
.size
.ToString();
434 display_modes_
[display_id
] = *iter
;
435 if (info
.bounds_in_native().size() != display_mode
.size
)
436 resolution_changed
= true;
437 if (info
.device_scale_factor() != display_mode
.device_scale_factor
) {
438 info
.set_device_scale_factor(display_mode
.device_scale_factor
);
439 display_property_changed
= true;
442 display_info_list
.push_back(info
);
444 if (display_property_changed
) {
445 AddMirrorDisplayInfoIfAny(&display_info_list
);
446 UpdateDisplays(display_info_list
);
448 #if defined(OS_CHROMEOS)
449 if (resolution_changed
&& base::SysInfo::IsRunningOnChromeOS())
450 Shell::GetInstance()->display_configurator()->OnConfigurationChanged();
452 return resolution_changed
;
455 void DisplayManager::RegisterDisplayProperty(
457 gfx::Display::Rotation rotation
,
459 const gfx::Insets
* overscan_insets
,
460 const gfx::Size
& resolution_in_pixels
,
461 float device_scale_factor
,
462 ui::ColorCalibrationProfile color_profile
) {
463 if (display_info_
.find(display_id
) == display_info_
.end())
464 display_info_
[display_id
] = DisplayInfo(display_id
, std::string(), false);
466 display_info_
[display_id
].SetRotation(rotation
,
467 gfx::Display::ROTATION_SOURCE_ACTIVE
);
468 display_info_
[display_id
].SetColorProfile(color_profile
);
469 // Just in case the preference file was corrupted.
470 // TODO(mukai): register |display_modes_| here as well, so the lookup for the
471 // default mode in GetActiveModeForDisplayId() gets much simpler.
472 if (0.5f
<= ui_scale
&& ui_scale
<= 2.0f
)
473 display_info_
[display_id
].set_configured_ui_scale(ui_scale
);
475 display_info_
[display_id
].SetOverscanInsets(*overscan_insets
);
476 if (!resolution_in_pixels
.IsEmpty()) {
477 DCHECK(!IsInternalDisplayId(display_id
));
478 // Default refresh rate, until OnNativeDisplaysChanged() updates us with the
479 // actual display info, is 60 Hz.
480 DisplayMode
mode(resolution_in_pixels
, 60.0f
, false, false);
481 mode
.device_scale_factor
= device_scale_factor
;
482 display_modes_
[display_id
] = mode
;
486 DisplayMode
DisplayManager::GetActiveModeForDisplayId(int64 display_id
) const {
487 DisplayMode selected_mode
;
488 if (GetSelectedModeForDisplayId(display_id
, &selected_mode
))
489 return selected_mode
;
491 // If 'selected' mode is empty, it should return the default mode. This means
492 // the native mode for the external display. Unfortunately this is not true
493 // for the internal display because restoring UI-scale doesn't register the
494 // restored mode to |display_mode_|, so it needs to look up the mode whose
495 // UI-scale value matches. See the TODO in RegisterDisplayProperty().
496 const DisplayInfo
& info
= GetDisplayInfo(display_id
);
497 const std::vector
<DisplayMode
>& display_modes
= info
.display_modes();
499 if (IsInternalDisplayId(display_id
)) {
500 for (size_t i
= 0; i
< display_modes
.size(); ++i
) {
501 if (info
.configured_ui_scale() == display_modes
[i
].ui_scale
)
502 return display_modes
[i
];
505 for (size_t i
= 0; i
< display_modes
.size(); ++i
) {
506 if (display_modes
[i
].native
)
507 return display_modes
[i
];
510 return selected_mode
;
513 void DisplayManager::RegisterDisplayRotationProperties(bool rotation_lock
,
514 gfx::Display::Rotation rotation
) {
516 delegate_
->PreDisplayConfigurationChange(false);
517 registered_internal_display_rotation_lock_
= rotation_lock
;
518 registered_internal_display_rotation_
= rotation
;
520 delegate_
->PostDisplayConfigurationChange();
523 bool DisplayManager::GetSelectedModeForDisplayId(int64 id
,
524 DisplayMode
* mode_out
) const {
525 std::map
<int64
, DisplayMode
>::const_iterator iter
= display_modes_
.find(id
);
526 if (iter
== display_modes_
.end())
528 *mode_out
= iter
->second
;
532 bool DisplayManager::IsDisplayUIScalingEnabled() const {
533 return GetDisplayIdForUIScaling() != gfx::Display::kInvalidDisplayID
;
536 gfx::Insets
DisplayManager::GetOverscanInsets(int64 display_id
) const {
537 std::map
<int64
, DisplayInfo
>::const_iterator it
=
538 display_info_
.find(display_id
);
539 return (it
!= display_info_
.end()) ?
540 it
->second
.overscan_insets_in_dip() : gfx::Insets();
543 void DisplayManager::SetColorCalibrationProfile(
545 ui::ColorCalibrationProfile profile
) {
546 #if defined(OS_CHROMEOS)
547 if (!display_info_
[display_id
].IsColorProfileAvailable(profile
))
551 delegate_
->PreDisplayConfigurationChange(false);
552 // Just sets color profile if it's not running on ChromeOS (like tests).
553 if (!base::SysInfo::IsRunningOnChromeOS() ||
554 Shell::GetInstance()->display_configurator()->SetColorCalibrationProfile(
555 display_id
, profile
)) {
556 display_info_
[display_id
].SetColorProfile(profile
);
557 UMA_HISTOGRAM_ENUMERATION(
558 "ChromeOS.Display.ColorProfile", profile
, ui::NUM_COLOR_PROFILES
);
561 delegate_
->PostDisplayConfigurationChange();
565 void DisplayManager::OnNativeDisplaysChanged(
566 const std::vector
<DisplayInfo
>& updated_displays
) {
567 if (updated_displays
.empty()) {
568 VLOG(1) << "OnNativeDisplaysChanged(0): # of current displays="
569 << active_display_list_
.size();
570 // If the device is booted without display, or chrome is started
571 // without --ash-host-window-bounds on linux desktop, use the
573 if (active_display_list_
.empty()) {
574 std::vector
<DisplayInfo
> init_displays
;
575 init_displays
.push_back(DisplayInfo::CreateFromSpec(std::string()));
576 MaybeInitInternalDisplay(&init_displays
[0]);
577 OnNativeDisplaysChanged(init_displays
);
579 // Otherwise don't update the displays when all displays are disconnected.
580 // This happens when:
581 // - the device is idle and powerd requested to turn off all displays.
582 // - the device is suspended. (kernel turns off all displays)
583 // - the internal display's brightness is set to 0 and no external
584 // display is connected.
585 // - the internal display's brightness is 0 and external display is
587 // The display will be updated when one of displays is turned on, and the
588 // display list will be updated correctly.
592 first_display_id_
= updated_displays
[0].id();
593 std::set
<gfx::Point
> origins
;
595 if (updated_displays
.size() == 1) {
596 VLOG(1) << "OnNativeDisplaysChanged(1):" << updated_displays
[0].ToString();
598 VLOG(1) << "OnNativeDisplaysChanged(" << updated_displays
.size()
599 << ") [0]=" << updated_displays
[0].ToString()
600 << ", [1]=" << updated_displays
[1].ToString();
603 bool internal_display_connected
= false;
604 num_connected_displays_
= updated_displays
.size();
605 mirroring_display_id_
= gfx::Display::kInvalidDisplayID
;
606 software_mirroring_display_list_
.clear();
607 DisplayInfoList new_display_info_list
;
608 for (DisplayInfoList::const_iterator iter
= updated_displays
.begin();
609 iter
!= updated_displays
.end();
611 if (!internal_display_connected
)
612 internal_display_connected
= IsInternalDisplayId(iter
->id());
613 // Mirrored monitors have the same origins.
614 gfx::Point origin
= iter
->bounds_in_native().origin();
615 if (origins
.find(origin
) != origins
.end()) {
616 InsertAndUpdateDisplayInfo(*iter
);
617 mirroring_display_id_
= iter
->id();
619 origins
.insert(origin
);
620 new_display_info_list
.push_back(*iter
);
623 DisplayMode new_mode
;
624 new_mode
.size
= iter
->bounds_in_native().size();
625 new_mode
.device_scale_factor
= iter
->device_scale_factor();
626 new_mode
.ui_scale
= iter
->configured_ui_scale();
627 const std::vector
<DisplayMode
>& display_modes
= iter
->display_modes();
628 // This is empty the displays are initialized from InitFromCommandLine.
629 if (!display_modes
.size())
631 std::vector
<DisplayMode
>::const_iterator display_modes_iter
=
632 std::find_if(display_modes
.begin(),
634 DisplayModeMatcher(new_mode
));
635 // Update the actual resolution selected as the resolution request may fail.
636 if (display_modes_iter
== display_modes
.end())
637 display_modes_
.erase(iter
->id());
638 else if (display_modes_
.find(iter
->id()) != display_modes_
.end())
639 display_modes_
[iter
->id()] = *display_modes_iter
;
641 if (gfx::Display::HasInternalDisplay() && !internal_display_connected
&&
642 display_info_
.find(gfx::Display::InternalDisplayId()) ==
643 display_info_
.end()) {
644 DisplayInfo
internal_display_info(
645 gfx::Display::InternalDisplayId(),
646 l10n_util::GetStringUTF8(IDS_ASH_INTERNAL_DISPLAY_NAME
),
647 false /*Internal display must not have overscan */);
648 internal_display_info
.SetBounds(gfx::Rect(0, 0, 800, 600));
649 display_info_
[gfx::Display::InternalDisplayId()] = internal_display_info
;
651 UpdateDisplays(new_display_info_list
);
654 void DisplayManager::UpdateDisplays() {
655 DisplayInfoList display_info_list
;
656 for (const auto& display
: active_display_list_
)
657 display_info_list
.push_back(GetDisplayInfo(display
.id()));
658 AddMirrorDisplayInfoIfAny(&display_info_list
);
659 UpdateDisplays(display_info_list
);
662 void DisplayManager::UpdateDisplays(
663 const std::vector
<DisplayInfo
>& updated_display_info_list
) {
665 DCHECK_EQ(1u, updated_display_info_list
.size()) <<
666 ": Multiple display test does not work on Windows bots. Please "
667 "skip (don't disable) the test using SupportsMultipleDisplays()";
670 DisplayInfoList new_display_info_list
= updated_display_info_list
;
671 std::sort(active_display_list_
.begin(), active_display_list_
.end(),
672 DisplaySortFunctor());
673 std::sort(new_display_info_list
.begin(),
674 new_display_info_list
.end(),
675 DisplayInfoSortFunctor());
676 // Close the mirroring window if any here to avoid creating two compositor on
679 delegate_
->CloseMirroringDisplay();
681 CreateSoftwareMirroringDisplay(&new_display_info_list
);
683 DisplayList new_displays
;
684 DisplayList removed_displays
;
685 std::map
<size_t, uint32_t> display_changes
;
686 std::vector
<size_t> added_display_indices
;
688 DisplayList::iterator curr_iter
= active_display_list_
.begin();
689 DisplayInfoList::const_iterator new_info_iter
= new_display_info_list
.begin();
691 while (curr_iter
!= active_display_list_
.end() ||
692 new_info_iter
!= new_display_info_list
.end()) {
693 if (curr_iter
== active_display_list_
.end()) {
694 // more displays in new list.
695 added_display_indices
.push_back(new_displays
.size());
696 InsertAndUpdateDisplayInfo(*new_info_iter
);
697 new_displays
.push_back(
698 CreateDisplayFromDisplayInfoById(new_info_iter
->id()));
700 } else if (new_info_iter
== new_display_info_list
.end()) {
701 // more displays in current list.
702 removed_displays
.push_back(*curr_iter
);
704 } else if (curr_iter
->id() == new_info_iter
->id()) {
705 const gfx::Display
& current_display
= *curr_iter
;
706 // Copy the info because |CreateDisplayFromInfo| updates the instance.
707 const DisplayInfo current_display_info
=
708 GetDisplayInfo(current_display
.id());
709 InsertAndUpdateDisplayInfo(*new_info_iter
);
710 gfx::Display new_display
=
711 CreateDisplayFromDisplayInfoById(new_info_iter
->id());
712 const DisplayInfo
& new_display_info
= GetDisplayInfo(new_display
.id());
714 uint32_t metrics
= gfx::DisplayObserver::DISPLAY_METRIC_NONE
;
716 // At that point the new Display objects we have are not entirely updated,
717 // they are missing the translation related to the Display disposition in
719 // Using display.bounds() and display.work_area() would fail most of the
721 if (force_bounds_changed_
||
722 (current_display_info
.bounds_in_native() !=
723 new_display_info
.bounds_in_native()) ||
724 (current_display_info
.GetOverscanInsetsInPixel() !=
725 new_display_info
.GetOverscanInsetsInPixel()) ||
726 current_display
.size() != new_display
.size()) {
727 metrics
|= gfx::DisplayObserver::DISPLAY_METRIC_BOUNDS
|
728 gfx::DisplayObserver::DISPLAY_METRIC_WORK_AREA
;
731 if (current_display
.device_scale_factor() !=
732 new_display
.device_scale_factor()) {
733 metrics
|= gfx::DisplayObserver::DISPLAY_METRIC_DEVICE_SCALE_FACTOR
;
736 if (current_display
.rotation() != new_display
.rotation())
737 metrics
|= gfx::DisplayObserver::DISPLAY_METRIC_ROTATION
;
739 if (metrics
!= gfx::DisplayObserver::DISPLAY_METRIC_NONE
) {
740 display_changes
.insert(
741 std::pair
<size_t, uint32_t>(new_displays
.size(), metrics
));
744 new_display
.UpdateWorkAreaFromInsets(current_display
.GetWorkAreaInsets());
745 new_displays
.push_back(new_display
);
748 } else if (curr_iter
->id() < new_info_iter
->id()) {
749 // more displays in current list between ids, which means it is deleted.
750 removed_displays
.push_back(*curr_iter
);
753 // more displays in new list between ids, which means it is added.
754 added_display_indices
.push_back(new_displays
.size());
755 InsertAndUpdateDisplayInfo(*new_info_iter
);
756 new_displays
.push_back(
757 CreateDisplayFromDisplayInfoById(new_info_iter
->id()));
761 gfx::Display old_primary
;
763 old_primary
= screen_
->GetPrimaryDisplay();
765 // Clear focus if the display has been removed, but don't clear focus if
766 // the destkop has been moved from one display to another
767 // (mirror -> docked, docked -> single internal).
769 !removed_displays
.empty() &&
770 !(removed_displays
.size() == 1 && added_display_indices
.size() == 1);
772 delegate_
->PreDisplayConfigurationChange(clear_focus
);
774 std::vector
<size_t> updated_indices
;
775 if (UpdateNonPrimaryDisplayBoundsForLayout(&new_displays
, &updated_indices
)) {
776 for (std::vector
<size_t>::iterator it
= updated_indices
.begin();
777 it
!= updated_indices
.end(); ++it
) {
778 size_t updated_index
= *it
;
779 if (std::find(added_display_indices
.begin(),
780 added_display_indices
.end(),
781 updated_index
) == added_display_indices
.end()) {
782 uint32_t metrics
= gfx::DisplayObserver::DISPLAY_METRIC_BOUNDS
|
783 gfx::DisplayObserver::DISPLAY_METRIC_WORK_AREA
;
784 if (display_changes
.find(updated_index
) != display_changes
.end())
785 metrics
|= display_changes
[updated_index
];
787 display_changes
[updated_index
] = metrics
;
792 active_display_list_
= new_displays
;
795 base::AutoReset
<bool> resetter(&change_display_upon_host_resize_
, false);
797 // Temporarily add displays to be removed because display object
798 // being removed are accessed during shutting down the root.
799 active_display_list_
.insert(active_display_list_
.end(),
800 removed_displays
.begin(), removed_displays
.end());
802 for (DisplayList::const_reverse_iterator iter
= removed_displays
.rbegin();
803 iter
!= removed_displays
.rend(); ++iter
) {
804 screen_
->NotifyDisplayRemoved(active_display_list_
.back());
805 active_display_list_
.pop_back();
808 for (std::vector
<size_t>::iterator iter
= added_display_indices
.begin();
809 iter
!= added_display_indices
.end(); ++iter
) {
810 screen_
->NotifyDisplayAdded(active_display_list_
[*iter
]);
813 bool notify_primary_change
=
814 delegate_
? old_primary
.id() != screen_
->GetPrimaryDisplay().id() : false;
816 for (std::map
<size_t, uint32_t>::iterator iter
= display_changes
.begin();
817 iter
!= display_changes
.end();
819 uint32_t metrics
= iter
->second
;
820 const gfx::Display
& updated_display
= active_display_list_
[iter
->first
];
822 if (notify_primary_change
&&
823 updated_display
.id() == screen_
->GetPrimaryDisplay().id()) {
824 metrics
|= gfx::DisplayObserver::DISPLAY_METRIC_PRIMARY
;
825 notify_primary_change
= false;
827 screen_
->NotifyMetricsChanged(updated_display
, metrics
);
830 if (notify_primary_change
) {
831 // This happens when a primary display has moved to anther display without
833 const gfx::Display
& primary
= screen_
->GetPrimaryDisplay();
834 if (primary
.id() != old_primary
.id()) {
835 uint32_t metrics
= gfx::DisplayObserver::DISPLAY_METRIC_PRIMARY
;
836 if (primary
.size() != old_primary
.size()) {
837 metrics
|= (gfx::DisplayObserver::DISPLAY_METRIC_BOUNDS
|
838 gfx::DisplayObserver::DISPLAY_METRIC_WORK_AREA
);
840 if (primary
.device_scale_factor() != old_primary
.device_scale_factor())
841 metrics
|= gfx::DisplayObserver::DISPLAY_METRIC_DEVICE_SCALE_FACTOR
;
843 screen_
->NotifyMetricsChanged(primary
, metrics
);
848 delegate_
->PostDisplayConfigurationChange();
850 #if defined(USE_X11) && defined(OS_CHROMEOS)
851 if (!display_changes
.empty() && base::SysInfo::IsRunningOnChromeOS())
852 ui::ClearX11DefaultRootWindow();
855 // Create the mirroring window asynchronously after all displays
856 // are added so that it can mirror the display newly added. This can
857 // happen when switching from dock mode to software mirror mode.
858 CreateMirrorWindowAsyncIfAny();
861 const gfx::Display
& DisplayManager::GetDisplayAt(size_t index
) const {
862 DCHECK_LT(index
, active_display_list_
.size());
863 return active_display_list_
[index
];
866 const gfx::Display
& DisplayManager::GetPrimaryDisplayCandidate() const {
867 if (GetNumDisplays() != 2)
868 return active_display_list_
[0];
869 DisplayLayout layout
= layout_store_
->GetRegisteredDisplayLayout(
870 GetCurrentDisplayIdPair());
871 return GetDisplayForId(layout
.primary_id
);
874 size_t DisplayManager::GetNumDisplays() const {
875 return active_display_list_
.size();
878 bool DisplayManager::IsInMirrorMode() const {
879 return mirroring_display_id_
!= gfx::Display::kInvalidDisplayID
;
882 bool DisplayManager::IsInUnifiedMode() const {
883 return multi_display_mode_
== UNIFIED
&&
884 !software_mirroring_display_list_
.empty();
887 const DisplayInfo
& DisplayManager::GetDisplayInfo(int64 display_id
) const {
888 DCHECK_NE(gfx::Display::kInvalidDisplayID
, display_id
);
890 std::map
<int64
, DisplayInfo
>::const_iterator iter
=
891 display_info_
.find(display_id
);
892 CHECK(iter
!= display_info_
.end()) << display_id
;
896 const gfx::Display
DisplayManager::GetMirroringDisplayById(
897 int64 display_id
) const {
898 auto iter
= std::find_if(software_mirroring_display_list_
.begin(),
899 software_mirroring_display_list_
.end(),
900 [display_id
](const gfx::Display
& display
) {
901 return display
.id() == display_id
;
903 return iter
== software_mirroring_display_list_
.end() ? gfx::Display()
907 std::string
DisplayManager::GetDisplayNameForId(int64 id
) {
908 if (id
== gfx::Display::kInvalidDisplayID
)
909 return l10n_util::GetStringUTF8(IDS_ASH_STATUS_TRAY_UNKNOWN_DISPLAY_NAME
);
911 std::map
<int64
, DisplayInfo
>::const_iterator iter
= display_info_
.find(id
);
912 if (iter
!= display_info_
.end() && !iter
->second
.name().empty())
913 return iter
->second
.name();
915 return base::StringPrintf("Display %d", static_cast<int>(id
));
918 int64
DisplayManager::GetDisplayIdForUIScaling() const {
919 // UI Scaling is effective only on internal display.
920 int64 display_id
= gfx::Display::InternalDisplayId();
922 display_id
= first_display_id();
927 void DisplayManager::SetMirrorMode(bool mirror
) {
928 #if defined(OS_CHROMEOS)
929 if (num_connected_displays() <= 1)
932 if (base::SysInfo::IsRunningOnChromeOS()) {
933 ui::MultipleDisplayState new_state
=
934 mirror
? ui::MULTIPLE_DISPLAY_STATE_DUAL_MIRROR
935 : ui::MULTIPLE_DISPLAY_STATE_DUAL_EXTENDED
;
936 Shell::GetInstance()->display_configurator()->SetDisplayMode(new_state
);
940 // This is fallback path to emulate mirroroing on desktop and unit test.
941 DisplayInfoList display_info_list
;
942 for (DisplayList::const_iterator iter
= active_display_list_
.begin();
943 (display_info_list
.size() < 2 && iter
!= active_display_list_
.end());
945 if (iter
->id() == kUnifiedDisplayId
)
947 display_info_list
.push_back(GetDisplayInfo(iter
->id()));
949 for (auto iter
= software_mirroring_display_list_
.begin();
950 (display_info_list
.size() < 2 &&
951 iter
!= software_mirroring_display_list_
.end());
953 display_info_list
.push_back(GetDisplayInfo(iter
->id()));
956 SetSoftwareMirroring(mirror
);
957 UpdateDisplays(display_info_list
);
958 if (Shell::GetInstance()->display_configurator_animation()) {
959 Shell::GetInstance()->display_configurator_animation()->
960 StartFadeInAnimation();
962 RunPendingTasksForTest();
966 void DisplayManager::AddRemoveDisplay() {
967 DCHECK(!active_display_list_
.empty());
968 std::vector
<DisplayInfo
> new_display_info_list
;
969 const DisplayInfo
& first_display
=
971 ? GetDisplayInfo(software_mirroring_display_list_
[0].id())
972 : GetDisplayInfo(active_display_list_
[0].id());
973 new_display_info_list
.push_back(first_display
);
974 // Add if there is only one display connected.
975 if (num_connected_displays() == 1) {
976 const int kVerticalOffsetPx
= 100;
977 // Layout the 2nd display below the primary as with the real device.
978 gfx::Rect host_bounds
= first_display
.bounds_in_native();
979 new_display_info_list
.push_back(
980 DisplayInfo::CreateFromSpec(base::StringPrintf(
981 "%d+%d-600x%d", host_bounds
.x(),
982 host_bounds
.bottom() + kVerticalOffsetPx
, host_bounds
.height())));
984 num_connected_displays_
= new_display_info_list
.size();
985 mirroring_display_id_
= gfx::Display::kInvalidDisplayID
;
986 software_mirroring_display_list_
.clear();
987 UpdateDisplays(new_display_info_list
);
990 void DisplayManager::ToggleDisplayScaleFactor() {
991 DCHECK(!active_display_list_
.empty());
992 std::vector
<DisplayInfo
> new_display_info_list
;
993 for (DisplayList::const_iterator iter
= active_display_list_
.begin();
994 iter
!= active_display_list_
.end(); ++iter
) {
995 DisplayInfo display_info
= GetDisplayInfo(iter
->id());
996 display_info
.set_device_scale_factor(
997 display_info
.device_scale_factor() == 1.0f
? 2.0f
: 1.0f
);
998 new_display_info_list
.push_back(display_info
);
1000 AddMirrorDisplayInfoIfAny(&new_display_info_list
);
1001 UpdateDisplays(new_display_info_list
);
1004 #if defined(OS_CHROMEOS)
1005 void DisplayManager::SetSoftwareMirroring(bool enabled
) {
1006 SetMultiDisplayMode(enabled
? MIRRORING
: default_multi_display_mode_
);
1009 bool DisplayManager::SoftwareMirroringEnabled() const {
1010 return software_mirroring_enabled();
1014 void DisplayManager::SetMultiDisplayMode(MultiDisplayMode mode
) {
1015 multi_display_mode_
= mode
;
1016 mirroring_display_id_
= gfx::Display::kInvalidDisplayID
;
1017 software_mirroring_display_list_
.clear();
1020 bool DisplayManager::UpdateDisplayBounds(int64 display_id
,
1021 const gfx::Rect
& new_bounds
) {
1022 if (change_display_upon_host_resize_
) {
1023 display_info_
[display_id
].SetBounds(new_bounds
);
1024 // Don't notify observers if the mirrored window has changed.
1025 if (software_mirroring_enabled() && mirroring_display_id_
== display_id
)
1027 gfx::Display
* display
= FindDisplayForId(display_id
);
1028 display
->SetSize(display_info_
[display_id
].size_in_pixel());
1029 screen_
->NotifyMetricsChanged(*display
,
1030 gfx::DisplayObserver::DISPLAY_METRIC_BOUNDS
);
1036 void DisplayManager::CreateMirrorWindowAsyncIfAny() {
1037 // Do not post a task if the software mirroring doesn't exist, or
1038 // during initialization when compositor's init task isn't posted yet.
1039 // ash::Shell::Init() will call this after the compositor is initialized.
1040 if (software_mirroring_display_list_
.empty() || !delegate_
)
1042 base::MessageLoopForUI::current()->PostTask(
1044 base::Bind(&DisplayManager::CreateMirrorWindowIfAny
,
1045 weak_ptr_factory_
.GetWeakPtr()));
1048 scoped_ptr
<MouseWarpController
> DisplayManager::CreateMouseWarpController(
1049 aura::Window
* drag_source
) const {
1050 if (IsInUnifiedMode() && num_connected_displays() >= 2)
1051 return make_scoped_ptr(new UnifiedMouseWarpController());
1052 // Extra check for |num_connected_displays()| is for SystemDisplayApiTest
1053 // that injects MockScreen.
1054 if (GetNumDisplays() < 2 || num_connected_displays() < 2)
1055 return make_scoped_ptr(new NullMouseWarpController());
1056 return make_scoped_ptr(new ExtendedMouseWarpController(drag_source
));
1059 void DisplayManager::CreateScreenForShutdown() const {
1060 bool native_is_ash
=
1061 gfx::Screen::GetScreenByType(gfx::SCREEN_TYPE_NATIVE
) == screen_
.get();
1062 delete screen_for_shutdown
;
1063 screen_for_shutdown
= screen_
->CloneForShutdown();
1064 gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_ALTERNATE
,
1065 screen_for_shutdown
);
1066 if (native_is_ash
) {
1067 gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE
,
1068 screen_for_shutdown
);
1072 void DisplayManager::UpdateInternalDisplayModeListForTest() {
1073 if (display_info_
.count(gfx::Display::InternalDisplayId()) == 0)
1075 DisplayInfo
* info
= &display_info_
[gfx::Display::InternalDisplayId()];
1076 SetInternalDisplayModeList(info
);
1079 void DisplayManager::CreateSoftwareMirroringDisplay(
1080 DisplayInfoList
* display_info_list
) {
1081 // Use the internal display or 1st as the mirror source, then scale
1082 // the root window so that it matches the external display's
1083 // resolution. This is necessary in order for scaling to work while
1085 if (display_info_list
->size() == 2) {
1086 switch (multi_display_mode_
) {
1088 bool zero_is_source
=
1089 first_display_id_
== (*display_info_list
)[0].id() ||
1090 gfx::Display::InternalDisplayId() == (*display_info_list
)[0].id();
1091 DCHECK_EQ(MIRRORING
, multi_display_mode_
);
1092 mirroring_display_id_
=
1093 (*display_info_list
)[zero_is_source
? 1 : 0].id();
1095 int64 display_id
= mirroring_display_id_
;
1097 std::find_if(display_info_list
->begin(), display_info_list
->end(),
1098 [display_id
](const DisplayInfo
& info
) {
1099 return info
.id() == display_id
;
1101 DCHECK(iter
!= display_info_list
->end());
1103 DisplayInfo info
= *iter
;
1104 info
.SetOverscanInsets(gfx::Insets());
1105 InsertAndUpdateDisplayInfo(info
);
1106 software_mirroring_display_list_
.push_back(
1107 CreateDisplayFromDisplayInfoById(mirroring_display_id_
));
1108 display_info_list
->erase(iter
);
1112 // TODO(oshima): Suport displays that have different heights.
1113 // TODO(oshima): Currently, all displays are laid out horizontally,
1114 // from left to right. Allow more flexible layouts, such as
1115 // right to left, or vertical layouts.
1116 gfx::Rect unified_bounds
;
1117 software_mirroring_display_list_
.clear();
1118 for (auto& info
: *display_info_list
) {
1119 InsertAndUpdateDisplayInfo(info
);
1120 gfx::Display display
= CreateDisplayFromDisplayInfoById(info
.id());
1121 gfx::Point
origin(unified_bounds
.right(), 0);
1122 display
.set_bounds(gfx::Rect(origin
, info
.size_in_pixel()));
1123 display
.UpdateWorkAreaFromInsets(gfx::Insets());
1124 unified_bounds
.Union(display
.bounds());
1125 software_mirroring_display_list_
.push_back(display
);
1127 DisplayInfo
info(kUnifiedDisplayId
, "Unified Desktop", false);
1128 info
.SetBounds(unified_bounds
);
1129 display_info_list
->clear();
1130 display_info_list
->push_back(info
);
1139 gfx::Display
* DisplayManager::FindDisplayForId(int64 id
) {
1140 auto iter
= std::find_if(
1141 active_display_list_
.begin(), active_display_list_
.end(),
1142 [id
](const gfx::Display
& display
) { return display
.id() == id
; });
1143 if (iter
!= active_display_list_
.end())
1145 // TODO(oshima): This happens when a windows in unified desktop have
1146 // been moved to normal window. Fix this.
1147 if (id
!= kUnifiedDisplayId
)
1148 DLOG(WARNING
) << "Could not find display:" << id
;
1152 void DisplayManager::AddMirrorDisplayInfoIfAny(
1153 std::vector
<DisplayInfo
>* display_info_list
) {
1154 if (software_mirroring_enabled() && IsInMirrorMode())
1155 display_info_list
->push_back(GetDisplayInfo(mirroring_display_id_
));
1158 void DisplayManager::InsertAndUpdateDisplayInfo(const DisplayInfo
& new_info
) {
1159 std::map
<int64
, DisplayInfo
>::iterator info
=
1160 display_info_
.find(new_info
.id());
1161 if (info
!= display_info_
.end()) {
1162 info
->second
.Copy(new_info
);
1164 display_info_
[new_info
.id()] = new_info
;
1165 display_info_
[new_info
.id()].set_native(false);
1167 display_info_
[new_info
.id()].UpdateDisplaySize();
1168 OnDisplayInfoUpdated(display_info_
[new_info
.id()]);
1171 void DisplayManager::OnDisplayInfoUpdated(const DisplayInfo
& display_info
) {
1172 #if defined(OS_CHROMEOS)
1173 ui::ColorCalibrationProfile color_profile
= display_info
.color_profile();
1174 if (color_profile
!= ui::COLOR_PROFILE_STANDARD
) {
1175 Shell::GetInstance()->display_configurator()->SetColorCalibrationProfile(
1176 display_info
.id(), color_profile
);
1181 gfx::Display
DisplayManager::CreateDisplayFromDisplayInfoById(int64 id
) {
1182 DCHECK(display_info_
.find(id
) != display_info_
.end()) << "id=" << id
;
1183 const DisplayInfo
& display_info
= display_info_
[id
];
1185 gfx::Display
new_display(display_info
.id());
1186 gfx::Rect
bounds_in_native(display_info
.size_in_pixel());
1187 float device_scale_factor
= display_info
.GetEffectiveDeviceScaleFactor();
1189 // Simply set the origin to (0,0). The primary display's origin is
1190 // always (0,0) and the bounds of non-primary display(s) will be updated
1191 // in |UpdateNonPrimaryDisplayBoundsForLayout| called in |UpdateDisplay|.
1192 new_display
.SetScaleAndBounds(
1193 device_scale_factor
, gfx::Rect(bounds_in_native
.size()));
1194 new_display
.set_rotation(display_info
.GetActiveRotation());
1195 new_display
.set_touch_support(display_info
.touch_support());
1199 bool DisplayManager::UpdateNonPrimaryDisplayBoundsForLayout(
1200 DisplayList
* displays
,
1201 std::vector
<size_t>* updated_indices
) const {
1203 if (displays
->size() < 2U)
1206 if (displays
->size() > 2U) {
1207 // For more than 2 displays, always use horizontal layout.
1208 int x_offset
= displays
->at(0).bounds().width();
1209 for (size_t i
= 1; i
< displays
->size(); ++i
) {
1210 gfx::Display
& display
= displays
->at(i
);
1211 const gfx::Rect
& bounds
= display
.bounds();
1212 gfx::Point origin
= gfx::Point(x_offset
, 0);
1213 gfx::Insets insets
= display
.GetWorkAreaInsets();
1214 display
.set_bounds(gfx::Rect(origin
, bounds
.size()));
1215 display
.UpdateWorkAreaFromInsets(insets
);
1216 x_offset
+= bounds
.width();
1217 updated_indices
->push_back(i
);
1222 int64 id_at_zero
= displays
->at(0).id();
1223 DisplayIdPair pair
=
1224 (id_at_zero
== first_display_id_
||
1225 id_at_zero
== gfx::Display::InternalDisplayId()) ?
1226 std::make_pair(id_at_zero
, displays
->at(1).id()) :
1227 std::make_pair(displays
->at(1).id(), id_at_zero
);
1228 DisplayLayout layout
=
1229 layout_store_
->ComputeDisplayLayoutForDisplayIdPair(pair
);
1231 // Ignore if a user has a old format (should be extremely rare)
1232 // and this will be replaced with DCHECK.
1233 if (layout
.primary_id
!= gfx::Display::kInvalidDisplayID
) {
1234 size_t primary_index
, secondary_index
;
1235 if (displays
->at(0).id() == layout
.primary_id
) {
1237 secondary_index
= 1;
1240 secondary_index
= 0;
1242 // This function may be called before the secondary display is
1243 // registered. The bounds is empty in that case and will
1246 GetDisplayForId(displays
->at(secondary_index
).id()).bounds();
1247 UpdateDisplayBoundsForLayout(
1248 layout
, displays
->at(primary_index
), &displays
->at(secondary_index
));
1249 updated_indices
->push_back(secondary_index
);
1250 return bounds
!= displays
->at(secondary_index
).bounds();
1255 void DisplayManager::CreateMirrorWindowIfAny() {
1256 if (software_mirroring_display_list_
.empty() || !delegate_
)
1258 DisplayInfoList list
;
1259 for (auto& display
: software_mirroring_display_list_
)
1260 list
.push_back(GetDisplayInfo(display
.id()));
1261 delegate_
->CreateOrUpdateMirroringDisplay(list
);
1265 void DisplayManager::UpdateDisplayBoundsForLayout(
1266 const DisplayLayout
& layout
,
1267 const gfx::Display
& primary_display
,
1268 gfx::Display
* secondary_display
) {
1269 DCHECK_EQ("0,0", primary_display
.bounds().origin().ToString());
1271 const gfx::Rect
& primary_bounds
= primary_display
.bounds();
1272 const gfx::Rect
& secondary_bounds
= secondary_display
->bounds();
1273 gfx::Point new_secondary_origin
= primary_bounds
.origin();
1275 DisplayLayout::Position position
= layout
.position
;
1277 // Ignore the offset in case the secondary display doesn't share edges with
1278 // the primary display.
1279 int offset
= layout
.offset
;
1280 if (position
== DisplayLayout::TOP
|| position
== DisplayLayout::BOTTOM
) {
1282 offset
, primary_bounds
.width() - kMinimumOverlapForInvalidOffset
);
1284 offset
, -secondary_bounds
.width() + kMinimumOverlapForInvalidOffset
);
1287 offset
, primary_bounds
.height() - kMinimumOverlapForInvalidOffset
);
1289 offset
, -secondary_bounds
.height() + kMinimumOverlapForInvalidOffset
);
1292 case DisplayLayout::TOP
:
1293 new_secondary_origin
.Offset(offset
, -secondary_bounds
.height());
1295 case DisplayLayout::RIGHT
:
1296 new_secondary_origin
.Offset(primary_bounds
.width(), offset
);
1298 case DisplayLayout::BOTTOM
:
1299 new_secondary_origin
.Offset(offset
, primary_bounds
.height());
1301 case DisplayLayout::LEFT
:
1302 new_secondary_origin
.Offset(-secondary_bounds
.width(), offset
);
1305 gfx::Insets insets
= secondary_display
->GetWorkAreaInsets();
1306 secondary_display
->set_bounds(
1307 gfx::Rect(new_secondary_origin
, secondary_bounds
.size()));
1308 secondary_display
->UpdateWorkAreaFromInsets(insets
);
1311 void DisplayManager::RunPendingTasksForTest() {
1312 if (!software_mirroring_display_list_
.empty())
1313 base::RunLoop().RunUntilIdle();