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/screen_ash.h"
16 #include "ash/screen_util.h"
17 #include "ash/shell.h"
18 #include "base/auto_reset.h"
19 #include "base/command_line.h"
20 #include "base/logging.h"
21 #include "base/metrics/histogram.h"
22 #include "base/strings/string_number_conversions.h"
23 #include "base/strings/string_split.h"
24 #include "base/strings/stringprintf.h"
25 #include "base/strings/utf_string_conversions.h"
26 #include "grit/ash_strings.h"
27 #include "ui/base/l10n/l10n_util.h"
28 #include "ui/base/layout.h"
29 #include "ui/base/resource/resource_bundle.h"
30 #include "ui/gfx/display.h"
31 #include "ui/gfx/display_observer.h"
32 #include "ui/gfx/font_render_params.h"
33 #include "ui/gfx/rect.h"
34 #include "ui/gfx/screen.h"
35 #include "ui/gfx/size_conversions.h"
38 #include "ui/base/x/x11_util.h"
41 #if defined(OS_CHROMEOS)
42 #include "ash/display/display_configurator_animation.h"
43 #include "base/sys_info.h"
47 #include "base/win/windows_version.h"
51 typedef std::vector
<gfx::Display
> DisplayList
;
52 typedef std::vector
<DisplayInfo
> DisplayInfoList
;
56 // We need to keep this in order for unittests to tell if
57 // the object in gfx::Screen::GetScreenByType is for shutdown.
58 gfx::Screen
* screen_for_shutdown
= NULL
;
60 // The number of pixels to overlap between the primary and secondary displays,
61 // in case that the offset value is too large.
62 const int kMinimumOverlapForInvalidOffset
= 100;
64 // List of value UI Scale values. Scales for 2x are equivalent to 640,
65 // 800, 1024, 1280, 1440, 1600 and 1920 pixel width respectively on
66 // 2560 pixel width 2x density display. Please see crbug.com/233375
67 // for the full list of resolutions.
68 const float kUIScalesFor2x
[] =
69 {0.5f
, 0.625f
, 0.8f
, 1.0f
, 1.125f
, 1.25f
, 1.5f
, 2.0f
};
70 const float kUIScalesFor1_25x
[] = {0.5f
, 0.625f
, 0.8f
, 1.0f
, 1.25f
};
71 const float kUIScalesFor1280
[] = {0.5f
, 0.625f
, 0.8f
, 1.0f
, 1.125f
};
72 const float kUIScalesFor1366
[] = {0.5f
, 0.6f
, 0.75f
, 1.0f
, 1.125f
};
74 struct DisplaySortFunctor
{
75 bool operator()(const gfx::Display
& a
, const gfx::Display
& b
) {
76 return a
.id() < b
.id();
80 struct DisplayInfoSortFunctor
{
81 bool operator()(const DisplayInfo
& a
, const DisplayInfo
& b
) {
82 return a
.id() < b
.id();
86 struct DisplayModeMatcher
{
87 DisplayModeMatcher(const DisplayMode
& target_mode
)
88 : target_mode(target_mode
) {}
89 bool operator()(const DisplayMode
& mode
) {
90 return target_mode
.IsEquivalent(mode
);
92 DisplayMode target_mode
;
95 struct ScaleComparator
{
96 explicit ScaleComparator(float s
) : scale(s
) {}
98 bool operator()(float s
) const {
99 const float kEpsilon
= 0.0001f
;
100 return std::abs(scale
- s
) < kEpsilon
;
105 gfx::Display
& GetInvalidDisplay() {
106 static gfx::Display
* invalid_display
= new gfx::Display();
107 return *invalid_display
;
110 void MaybeInitInternalDisplay(int64 id
) {
111 CommandLine
* command_line
= CommandLine::ForCurrentProcess();
112 if (command_line
->HasSwitch(switches::kAshUseFirstDisplayAsInternal
))
113 gfx::Display::SetInternalDisplayId(id
);
116 // Scoped objects used to either create or close the non desktop window
117 // at specific timing.
118 class NonDesktopDisplayUpdater
{
120 NonDesktopDisplayUpdater(DisplayManager
* manager
,
121 DisplayManager::Delegate
* delegate
)
124 enabled_(manager_
->second_display_mode() != DisplayManager::EXTENDED
&&
125 manager_
->non_desktop_display().is_valid()) {
128 ~NonDesktopDisplayUpdater() {
133 DisplayInfo display_info
= manager_
->GetDisplayInfo(
134 manager_
->non_desktop_display().id());
135 delegate_
->CreateOrUpdateNonDesktopDisplay(display_info
);
137 delegate_
->CloseNonDesktopDisplay();
141 bool enabled() const { return enabled_
; }
144 DisplayManager
* manager_
;
145 DisplayManager::Delegate
* delegate_
;
147 DISALLOW_COPY_AND_ASSIGN(NonDesktopDisplayUpdater
);
155 DisplayManager::DisplayManager()
157 screen_ash_(new ScreenAsh
),
158 screen_(screen_ash_
.get()),
159 layout_store_(new DisplayLayoutStore
),
160 first_display_id_(gfx::Display::kInvalidDisplayID
),
161 num_connected_displays_(0),
162 force_bounds_changed_(false),
163 change_display_upon_host_resize_(false),
164 second_display_mode_(EXTENDED
),
165 mirrored_display_id_(gfx::Display::kInvalidDisplayID
),
166 registered_internal_display_rotation_lock_(false),
167 registered_internal_display_rotation_(gfx::Display::ROTATE_0
) {
168 #if defined(OS_CHROMEOS)
169 change_display_upon_host_resize_
= !base::SysInfo::IsRunningOnChromeOS();
171 DisplayInfo::SetAllowUpgradeToHighDPI(
172 ui::ResourceBundle::GetSharedInstance().GetMaxScaleFactor() ==
173 ui::SCALE_FACTOR_200P
);
175 gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_ALTERNATE
,
177 gfx::Screen
* current_native
=
178 gfx::Screen::GetScreenByType(gfx::SCREEN_TYPE_NATIVE
);
179 // If there is no native, or the native was for shutdown,
181 if (!current_native
||
182 current_native
== screen_for_shutdown
) {
183 gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE
,
188 DisplayManager::~DisplayManager() {
189 #if defined(OS_CHROMEOS)
190 // Reset the font params.
191 gfx::SetFontRenderParamsDeviceScaleFactor(1.0f
);
196 std::vector
<float> DisplayManager::GetScalesForDisplay(
197 const DisplayInfo
& info
) {
199 #define ASSIGN_ARRAY(v, a) v.assign(a, a + arraysize(a))
201 std::vector
<float> ret
;
202 if (info
.device_scale_factor() == 2.0f
) {
203 ASSIGN_ARRAY(ret
, kUIScalesFor2x
);
205 } else if (info
.device_scale_factor() == 1.25f
) {
206 ASSIGN_ARRAY(ret
, kUIScalesFor1_25x
);
209 switch (info
.bounds_in_native().width()) {
211 ASSIGN_ARRAY(ret
, kUIScalesFor1280
);
214 ASSIGN_ARRAY(ret
, kUIScalesFor1366
);
217 ASSIGN_ARRAY(ret
, kUIScalesFor1280
);
218 #if defined(OS_CHROMEOS)
219 if (base::SysInfo::IsRunningOnChromeOS())
220 NOTREACHED() << "Unknown resolution:" << info
.ToString();
227 float DisplayManager::GetNextUIScale(const DisplayInfo
& info
, bool up
) {
228 float scale
= info
.configured_ui_scale();
229 std::vector
<float> scales
= GetScalesForDisplay(info
);
230 for (size_t i
= 0; i
< scales
.size(); ++i
) {
231 if (ScaleComparator(scales
[i
])(scale
)) {
232 if (up
&& i
!= scales
.size() - 1)
233 return scales
[i
+ 1];
235 return scales
[i
- 1];
239 // Fallback to 1.0f if the |scale| wasn't in the list.
243 bool DisplayManager::InitFromCommandLine() {
244 DisplayInfoList info_list
;
245 CommandLine
* command_line
= CommandLine::ForCurrentProcess();
246 if (!command_line
->HasSwitch(switches::kAshHostWindowBounds
))
248 const string size_str
=
249 command_line
->GetSwitchValueASCII(switches::kAshHostWindowBounds
);
250 vector
<string
> parts
;
251 base::SplitString(size_str
, ',', &parts
);
252 for (vector
<string
>::const_iterator iter
= parts
.begin();
253 iter
!= parts
.end(); ++iter
) {
254 info_list
.push_back(DisplayInfo::CreateFromSpec(*iter
));
256 MaybeInitInternalDisplay(info_list
[0].id());
257 if (info_list
.size() > 1 &&
258 command_line
->HasSwitch(switches::kAshEnableSoftwareMirroring
)) {
259 SetSecondDisplayMode(MIRRORING
);
261 OnNativeDisplaysChanged(info_list
);
265 void DisplayManager::InitDefaultDisplay() {
266 DisplayInfoList info_list
;
267 info_list
.push_back(DisplayInfo::CreateFromSpec(std::string()));
268 MaybeInitInternalDisplay(info_list
[0].id());
269 OnNativeDisplaysChanged(info_list
);
272 void DisplayManager::InitFontParams() {
273 #if defined(OS_CHROMEOS)
274 if (!HasInternalDisplay())
276 const DisplayInfo
& display_info
=
277 GetDisplayInfo(gfx::Display::InternalDisplayId());
278 gfx::SetFontRenderParamsDeviceScaleFactor(
279 display_info
.device_scale_factor());
280 #endif // OS_CHROMEOS
284 void DisplayManager::UpdateDisplayBoundsForLayoutById(
285 const DisplayLayout
& layout
,
286 const gfx::Display
& primary_display
,
287 int64 secondary_display_id
) {
288 DCHECK_NE(gfx::Display::kInvalidDisplayID
, secondary_display_id
);
289 UpdateDisplayBoundsForLayout(
290 layout
, primary_display
,
291 Shell::GetInstance()->display_manager()->
292 FindDisplayForId(secondary_display_id
));
295 bool DisplayManager::IsActiveDisplay(const gfx::Display
& display
) const {
296 for (DisplayList::const_iterator iter
= displays_
.begin();
297 iter
!= displays_
.end(); ++iter
) {
298 if ((*iter
).id() == display
.id())
304 bool DisplayManager::HasInternalDisplay() const {
305 return gfx::Display::InternalDisplayId() != gfx::Display::kInvalidDisplayID
;
308 bool DisplayManager::IsInternalDisplayId(int64 id
) const {
309 return gfx::Display::InternalDisplayId() == id
;
312 DisplayLayout
DisplayManager::GetCurrentDisplayLayout() {
313 DCHECK_EQ(2U, num_connected_displays());
314 // Invert if the primary was swapped.
315 if (num_connected_displays() > 1) {
316 DisplayIdPair pair
= GetCurrentDisplayIdPair();
317 return layout_store_
->ComputeDisplayLayoutForDisplayIdPair(pair
);
319 NOTREACHED() << "DisplayLayout is requested for single display";
320 // On release build, just fallback to default instead of blowing up.
321 DisplayLayout layout
=
322 layout_store_
->default_display_layout();
323 layout
.primary_id
= displays_
[0].id();
327 DisplayIdPair
DisplayManager::GetCurrentDisplayIdPair() const {
329 if (software_mirroring_enabled()) {
330 CHECK_EQ(2u, num_connected_displays());
331 // This comment is to make it easy to distinguish the crash
332 // between two checks.
333 CHECK_EQ(1u, displays_
.size());
335 return std::make_pair(displays_
[0].id(), mirrored_display_id_
);
337 CHECK_GE(2u, displays_
.size());
338 int64 id_at_zero
= displays_
[0].id();
339 if (id_at_zero
== gfx::Display::InternalDisplayId() ||
340 id_at_zero
== first_display_id()) {
341 return std::make_pair(id_at_zero
, displays_
[1].id());
343 return std::make_pair(displays_
[1].id(), id_at_zero
);
348 void DisplayManager::SetLayoutForCurrentDisplays(
349 const DisplayLayout
& layout_relative_to_primary
) {
350 DCHECK_EQ(2U, GetNumDisplays());
351 if (GetNumDisplays() < 2)
353 const gfx::Display
& primary
= screen_
->GetPrimaryDisplay();
354 const DisplayIdPair pair
= GetCurrentDisplayIdPair();
355 // Invert if the primary was swapped.
356 DisplayLayout to_set
= pair
.first
== primary
.id() ?
357 layout_relative_to_primary
: layout_relative_to_primary
.Invert();
359 DisplayLayout current_layout
=
360 layout_store_
->GetRegisteredDisplayLayout(pair
);
361 if (to_set
.position
!= current_layout
.position
||
362 to_set
.offset
!= current_layout
.offset
) {
363 to_set
.primary_id
= primary
.id();
364 layout_store_
->RegisterLayoutForDisplayIdPair(
365 pair
.first
, pair
.second
, to_set
);
367 delegate_
->PreDisplayConfigurationChange(false);
368 // PreDisplayConfigurationChange(false);
369 // TODO(oshima): Call UpdateDisplays instead.
370 const DisplayLayout layout
= GetCurrentDisplayLayout();
371 UpdateDisplayBoundsForLayoutById(
373 ScreenUtil::GetSecondaryDisplay().id());
375 // Primary's bounds stay the same. Just notify bounds change
377 screen_ash_
->NotifyMetricsChanged(
378 ScreenUtil::GetSecondaryDisplay(),
379 gfx::DisplayObserver::DISPLAY_METRIC_BOUNDS
|
380 gfx::DisplayObserver::DISPLAY_METRIC_WORK_AREA
);
382 delegate_
->PostDisplayConfigurationChange();
386 const gfx::Display
& DisplayManager::GetDisplayForId(int64 id
) const {
387 gfx::Display
* display
=
388 const_cast<DisplayManager
*>(this)->FindDisplayForId(id
);
389 return display
? *display
: GetInvalidDisplay();
392 const gfx::Display
& DisplayManager::FindDisplayContainingPoint(
393 const gfx::Point
& point_in_screen
) const {
394 for (DisplayList::const_iterator iter
= displays_
.begin();
395 iter
!= displays_
.end(); ++iter
) {
396 const gfx::Display
& display
= *iter
;
397 if (display
.bounds().Contains(point_in_screen
))
400 return GetInvalidDisplay();
403 bool DisplayManager::UpdateWorkAreaOfDisplay(int64 display_id
,
404 const gfx::Insets
& insets
) {
405 gfx::Display
* display
= FindDisplayForId(display_id
);
407 gfx::Rect old_work_area
= display
->work_area();
408 display
->UpdateWorkAreaFromInsets(insets
);
409 return old_work_area
!= display
->work_area();
412 void DisplayManager::SetOverscanInsets(int64 display_id
,
413 const gfx::Insets
& insets_in_dip
) {
414 display_info_
[display_id
].SetOverscanInsets(insets_in_dip
);
415 DisplayInfoList display_info_list
;
416 for (DisplayList::const_iterator iter
= displays_
.begin();
417 iter
!= displays_
.end(); ++iter
) {
418 display_info_list
.push_back(GetDisplayInfo(iter
->id()));
420 AddMirrorDisplayInfoIfAny(&display_info_list
);
421 UpdateDisplays(display_info_list
);
424 void DisplayManager::SetDisplayRotation(int64 display_id
,
425 gfx::Display::Rotation rotation
) {
426 DisplayInfoList display_info_list
;
427 for (DisplayList::const_iterator iter
= displays_
.begin();
428 iter
!= displays_
.end(); ++iter
) {
429 DisplayInfo info
= GetDisplayInfo(iter
->id());
430 if (info
.id() == display_id
) {
431 if (info
.rotation() == rotation
)
433 info
.set_rotation(rotation
);
435 display_info_list
.push_back(info
);
437 AddMirrorDisplayInfoIfAny(&display_info_list
);
438 if (virtual_keyboard_root_window_enabled() &&
439 display_id
== non_desktop_display_
.id()) {
440 DisplayInfo info
= GetDisplayInfo(display_id
);
441 info
.set_rotation(rotation
);
442 display_info_list
.push_back(info
);
444 UpdateDisplays(display_info_list
);
447 void DisplayManager::SetDisplayUIScale(int64 display_id
,
449 if (!IsDisplayUIScalingEnabled() ||
450 gfx::Display::InternalDisplayId() != display_id
) {
454 // TODO(mukai): merge this implementation into SetDisplayMode().
455 DisplayInfoList display_info_list
;
456 for (DisplayList::const_iterator iter
= displays_
.begin();
457 iter
!= displays_
.end(); ++iter
) {
458 DisplayInfo info
= GetDisplayInfo(iter
->id());
459 if (info
.id() == display_id
) {
460 if (info
.configured_ui_scale() == ui_scale
)
462 std::vector
<float> scales
= GetScalesForDisplay(info
);
463 ScaleComparator
comparator(ui_scale
);
464 if (std::find_if(scales
.begin(), scales
.end(), comparator
) ==
468 info
.set_configured_ui_scale(ui_scale
);
470 display_info_list
.push_back(info
);
472 AddMirrorDisplayInfoIfAny(&display_info_list
);
473 UpdateDisplays(display_info_list
);
476 void DisplayManager::SetDisplayResolution(int64 display_id
,
477 const gfx::Size
& resolution
) {
478 DCHECK_NE(gfx::Display::InternalDisplayId(), display_id
);
479 if (gfx::Display::InternalDisplayId() == display_id
)
481 const DisplayInfo
& display_info
= GetDisplayInfo(display_id
);
482 const std::vector
<DisplayMode
>& modes
= display_info
.display_modes();
483 DCHECK_NE(0u, modes
.size());
484 DisplayMode target_mode
;
485 target_mode
.size
= resolution
;
486 std::vector
<DisplayMode
>::const_iterator iter
=
487 std::find_if(modes
.begin(), modes
.end(), DisplayModeMatcher(target_mode
));
488 if (iter
== modes
.end()) {
489 LOG(WARNING
) << "Unsupported resolution was requested:"
490 << resolution
.ToString();
493 display_modes_
[display_id
] = *iter
;
494 #if defined(OS_CHROMEOS)
495 if (base::SysInfo::IsRunningOnChromeOS())
496 Shell::GetInstance()->display_configurator()->OnConfigurationChanged();
500 bool DisplayManager::SetDisplayMode(int64 display_id
,
501 const DisplayMode
& display_mode
) {
502 if (IsInternalDisplayId(display_id
)) {
503 SetDisplayUIScale(display_id
, display_mode
.ui_scale
);
507 DisplayInfoList display_info_list
;
508 bool display_property_changed
= false;
509 bool resolution_changed
= false;
510 for (DisplayList::const_iterator iter
= displays_
.begin();
511 iter
!= displays_
.end(); ++iter
) {
512 DisplayInfo info
= GetDisplayInfo(iter
->id());
513 if (info
.id() == display_id
) {
514 const std::vector
<DisplayMode
>& modes
= info
.display_modes();
515 std::vector
<DisplayMode
>::const_iterator iter
=
516 std::find_if(modes
.begin(),
518 DisplayModeMatcher(display_mode
));
519 if (iter
== modes
.end()) {
520 LOG(WARNING
) << "Unsupported resolution was requested:"
521 << display_mode
.size
.ToString();
524 display_modes_
[display_id
] = *iter
;
525 if (info
.bounds_in_native().size() != display_mode
.size
)
526 resolution_changed
= true;
527 if (info
.device_scale_factor() != display_mode
.device_scale_factor
) {
528 info
.set_device_scale_factor(display_mode
.device_scale_factor
);
529 display_property_changed
= true;
532 display_info_list
.push_back(info
);
534 if (display_property_changed
) {
535 AddMirrorDisplayInfoIfAny(&display_info_list
);
536 UpdateDisplays(display_info_list
);
538 #if defined(OS_CHROMEOS)
539 if (resolution_changed
&& base::SysInfo::IsRunningOnChromeOS())
540 Shell::GetInstance()->display_configurator()->OnConfigurationChanged();
542 return resolution_changed
;
545 void DisplayManager::RegisterDisplayProperty(
547 gfx::Display::Rotation rotation
,
549 const gfx::Insets
* overscan_insets
,
550 const gfx::Size
& resolution_in_pixels
,
551 float device_scale_factor
,
552 ui::ColorCalibrationProfile color_profile
) {
553 if (display_info_
.find(display_id
) == display_info_
.end())
554 display_info_
[display_id
] = DisplayInfo(display_id
, std::string(), false);
556 display_info_
[display_id
].set_rotation(rotation
);
557 display_info_
[display_id
].SetColorProfile(color_profile
);
558 // Just in case the preference file was corrupted.
559 // TODO(mukai): register |display_modes_| here as well, so the lookup for the
560 // default mode in GetActiveModeForDisplayId() gets much simpler.
561 if (0.5f
<= ui_scale
&& ui_scale
<= 2.0f
)
562 display_info_
[display_id
].set_configured_ui_scale(ui_scale
);
564 display_info_
[display_id
].SetOverscanInsets(*overscan_insets
);
565 if (!resolution_in_pixels
.IsEmpty()) {
566 DCHECK(!IsInternalDisplayId(display_id
));
567 // Default refresh rate, until OnNativeDisplaysChanged() updates us with the
568 // actual display info, is 60 Hz.
569 DisplayMode
mode(resolution_in_pixels
, 60.0f
, false, false);
570 mode
.device_scale_factor
= device_scale_factor
;
571 display_modes_
[display_id
] = mode
;
575 DisplayMode
DisplayManager::GetActiveModeForDisplayId(int64 display_id
) const {
576 DisplayMode selected_mode
;
577 if (GetSelectedModeForDisplayId(display_id
, &selected_mode
))
578 return selected_mode
;
580 // If 'selected' mode is empty, it should return the default mode. This means
581 // the native mode for the external display. Unfortunately this is not true
582 // for the internal display because restoring UI-scale doesn't register the
583 // restored mode to |display_mode_|, so it needs to look up the mode whose
584 // UI-scale value matches. See the TODO in RegisterDisplayProperty().
585 const DisplayInfo
& info
= GetDisplayInfo(display_id
);
586 const std::vector
<DisplayMode
>& display_modes
= info
.display_modes();
588 if (IsInternalDisplayId(display_id
)) {
589 for (size_t i
= 0; i
< display_modes
.size(); ++i
) {
590 if (info
.configured_ui_scale() == display_modes
[i
].ui_scale
)
591 return display_modes
[i
];
594 for (size_t i
= 0; i
< display_modes
.size(); ++i
) {
595 if (display_modes
[i
].native
)
596 return display_modes
[i
];
599 return selected_mode
;
602 void DisplayManager::RegisterDisplayRotationProperties(bool rotation_lock
,
603 gfx::Display::Rotation rotation
) {
605 delegate_
->PreDisplayConfigurationChange(false);
606 registered_internal_display_rotation_lock_
= rotation_lock
;
607 registered_internal_display_rotation_
= rotation
;
609 delegate_
->PostDisplayConfigurationChange();
612 bool DisplayManager::GetSelectedModeForDisplayId(int64 id
,
613 DisplayMode
* mode_out
) const {
614 std::map
<int64
, DisplayMode
>::const_iterator iter
= display_modes_
.find(id
);
615 if (iter
== display_modes_
.end())
617 *mode_out
= iter
->second
;
621 bool DisplayManager::IsDisplayUIScalingEnabled() const {
622 return GetDisplayIdForUIScaling() != gfx::Display::kInvalidDisplayID
;
625 gfx::Insets
DisplayManager::GetOverscanInsets(int64 display_id
) const {
626 std::map
<int64
, DisplayInfo
>::const_iterator it
=
627 display_info_
.find(display_id
);
628 return (it
!= display_info_
.end()) ?
629 it
->second
.overscan_insets_in_dip() : gfx::Insets();
632 void DisplayManager::SetColorCalibrationProfile(
634 ui::ColorCalibrationProfile profile
) {
635 #if defined(OS_CHROMEOS)
636 if (!display_info_
[display_id
].IsColorProfileAvailable(profile
))
640 delegate_
->PreDisplayConfigurationChange(false);
641 // Just sets color profile if it's not running on ChromeOS (like tests).
642 if (!base::SysInfo::IsRunningOnChromeOS() ||
643 Shell::GetInstance()->display_configurator()->SetColorCalibrationProfile(
644 display_id
, profile
)) {
645 display_info_
[display_id
].SetColorProfile(profile
);
646 UMA_HISTOGRAM_ENUMERATION(
647 "ChromeOS.Display.ColorProfile", profile
, ui::NUM_COLOR_PROFILES
);
650 delegate_
->PostDisplayConfigurationChange();
654 void DisplayManager::OnNativeDisplaysChanged(
655 const std::vector
<DisplayInfo
>& updated_displays
) {
656 if (updated_displays
.empty()) {
657 VLOG(1) << "OnNativeDisplayChanged(0): # of current displays="
659 // If the device is booted without display, or chrome is started
660 // without --ash-host-window-bounds on linux desktop, use the
662 if (displays_
.empty()) {
663 std::vector
<DisplayInfo
> init_displays
;
664 init_displays
.push_back(DisplayInfo::CreateFromSpec(std::string()));
665 MaybeInitInternalDisplay(init_displays
[0].id());
666 OnNativeDisplaysChanged(init_displays
);
668 // Otherwise don't update the displays when all displays are disconnected.
669 // This happens when:
670 // - the device is idle and powerd requested to turn off all displays.
671 // - the device is suspended. (kernel turns off all displays)
672 // - the internal display's brightness is set to 0 and no external
673 // display is connected.
674 // - the internal display's brightness is 0 and external display is
676 // The display will be updated when one of displays is turned on, and the
677 // display list will be updated correctly.
681 first_display_id_
= updated_displays
[0].id();
682 std::set
<gfx::Point
> origins
;
684 if (updated_displays
.size() == 1) {
685 VLOG(1) << "OnNativeDisplaysChanged(1):" << updated_displays
[0].ToString();
687 VLOG(1) << "OnNativeDisplaysChanged(" << updated_displays
.size()
688 << ") [0]=" << updated_displays
[0].ToString()
689 << ", [1]=" << updated_displays
[1].ToString();
692 bool internal_display_connected
= false;
693 num_connected_displays_
= updated_displays
.size();
694 mirrored_display_id_
= gfx::Display::kInvalidDisplayID
;
695 non_desktop_display_
= gfx::Display();
696 DisplayInfoList new_display_info_list
;
697 for (DisplayInfoList::const_iterator iter
= updated_displays
.begin();
698 iter
!= updated_displays
.end();
700 if (!internal_display_connected
)
701 internal_display_connected
= IsInternalDisplayId(iter
->id());
702 // Mirrored monitors have the same origins.
703 gfx::Point origin
= iter
->bounds_in_native().origin();
704 if (origins
.find(origin
) != origins
.end()) {
705 InsertAndUpdateDisplayInfo(*iter
);
706 mirrored_display_id_
= iter
->id();
708 origins
.insert(origin
);
709 new_display_info_list
.push_back(*iter
);
712 DisplayMode new_mode
;
713 new_mode
.size
= iter
->bounds_in_native().size();
714 new_mode
.device_scale_factor
= iter
->device_scale_factor();
715 new_mode
.ui_scale
= iter
->configured_ui_scale();
716 const std::vector
<DisplayMode
>& display_modes
= iter
->display_modes();
717 // This is empty the displays are initialized from InitFromCommandLine.
718 if (!display_modes
.size())
720 std::vector
<DisplayMode
>::const_iterator display_modes_iter
=
721 std::find_if(display_modes
.begin(),
723 DisplayModeMatcher(new_mode
));
724 // Update the actual resolution selected as the resolution request may fail.
725 if (display_modes_iter
== display_modes
.end())
726 display_modes_
.erase(iter
->id());
727 else if (display_modes_
.find(iter
->id()) != display_modes_
.end())
728 display_modes_
[iter
->id()] = *display_modes_iter
;
730 if (HasInternalDisplay() &&
731 !internal_display_connected
&&
732 display_info_
.find(gfx::Display::InternalDisplayId()) ==
733 display_info_
.end()) {
734 DisplayInfo
internal_display_info(
735 gfx::Display::InternalDisplayId(),
736 l10n_util::GetStringUTF8(IDS_ASH_INTERNAL_DISPLAY_NAME
),
737 false /*Internal display must not have overscan */);
738 internal_display_info
.SetBounds(gfx::Rect(0, 0, 800, 600));
739 display_info_
[gfx::Display::InternalDisplayId()] = internal_display_info
;
741 UpdateDisplays(new_display_info_list
);
744 void DisplayManager::UpdateDisplays() {
745 DisplayInfoList display_info_list
;
746 for (DisplayList::const_iterator iter
= displays_
.begin();
747 iter
!= displays_
.end(); ++iter
) {
748 display_info_list
.push_back(GetDisplayInfo(iter
->id()));
750 AddMirrorDisplayInfoIfAny(&display_info_list
);
751 UpdateDisplays(display_info_list
);
754 void DisplayManager::UpdateDisplays(
755 const std::vector
<DisplayInfo
>& updated_display_info_list
) {
757 DCHECK_EQ(1u, updated_display_info_list
.size()) <<
758 ": Multiple display test does not work on Windows bots. Please "
759 "skip (don't disable) the test using SupportsMultipleDisplays()";
762 DisplayInfoList new_display_info_list
= updated_display_info_list
;
763 std::sort(displays_
.begin(), displays_
.end(), DisplaySortFunctor());
764 std::sort(new_display_info_list
.begin(),
765 new_display_info_list
.end(),
766 DisplayInfoSortFunctor());
767 DisplayList removed_displays
;
768 std::map
<size_t, uint32_t> display_changes
;
769 std::vector
<size_t> added_display_indices
;
771 DisplayList::iterator curr_iter
= displays_
.begin();
772 DisplayInfoList::const_iterator new_info_iter
= new_display_info_list
.begin();
774 DisplayList new_displays
;
776 // Use the internal display or 1st as the mirror source, then scale
777 // the root window so that it matches the external display's
778 // resolution. This is necessary in order for scaling to work while
780 int64 non_desktop_display_id
= gfx::Display::kInvalidDisplayID
;
782 if (second_display_mode_
!= EXTENDED
&& new_display_info_list
.size() == 2) {
783 bool zero_is_source
=
784 first_display_id_
== new_display_info_list
[0].id() ||
785 gfx::Display::InternalDisplayId() == new_display_info_list
[0].id();
786 if (second_display_mode_
== MIRRORING
) {
787 mirrored_display_id_
= new_display_info_list
[zero_is_source
? 1 : 0].id();
788 non_desktop_display_id
= mirrored_display_id_
;
790 // TODO(oshima|bshe): The virtual keyboard is currently assigned to
792 non_desktop_display_id
=
793 new_display_info_list
[zero_is_source
? 0 : 1].id();
797 while (curr_iter
!= displays_
.end() ||
798 new_info_iter
!= new_display_info_list
.end()) {
799 if (new_info_iter
!= new_display_info_list
.end() &&
800 non_desktop_display_id
== new_info_iter
->id()) {
801 DisplayInfo info
= *new_info_iter
;
802 info
.SetOverscanInsets(gfx::Insets());
803 InsertAndUpdateDisplayInfo(info
);
804 non_desktop_display_
=
805 CreateDisplayFromDisplayInfoById(non_desktop_display_id
);
807 // Remove existing external display if it is going to be used as
809 if (curr_iter
!= displays_
.end() &&
810 curr_iter
->id() == non_desktop_display_id
) {
811 removed_displays
.push_back(*curr_iter
);
817 if (curr_iter
== displays_
.end()) {
818 // more displays in new list.
819 added_display_indices
.push_back(new_displays
.size());
820 InsertAndUpdateDisplayInfo(*new_info_iter
);
821 new_displays
.push_back(
822 CreateDisplayFromDisplayInfoById(new_info_iter
->id()));
824 } else if (new_info_iter
== new_display_info_list
.end()) {
825 // more displays in current list.
826 removed_displays
.push_back(*curr_iter
);
828 } else if (curr_iter
->id() == new_info_iter
->id()) {
829 const gfx::Display
& current_display
= *curr_iter
;
830 // Copy the info because |CreateDisplayFromInfo| updates the instance.
831 const DisplayInfo current_display_info
=
832 GetDisplayInfo(current_display
.id());
833 InsertAndUpdateDisplayInfo(*new_info_iter
);
834 gfx::Display new_display
=
835 CreateDisplayFromDisplayInfoById(new_info_iter
->id());
836 const DisplayInfo
& new_display_info
= GetDisplayInfo(new_display
.id());
838 uint32_t metrics
= gfx::DisplayObserver::DISPLAY_METRIC_NONE
;
840 // At that point the new Display objects we have are not entirely updated,
841 // they are missing the translation related to the Display disposition in
843 // Using display.bounds() and display.work_area() would fail most of the
845 if (force_bounds_changed_
|| (current_display_info
.bounds_in_native() !=
846 new_display_info
.bounds_in_native()) ||
847 (current_display_info
.size_in_pixel() !=
848 new_display
.GetSizeInPixel())) {
849 metrics
|= gfx::DisplayObserver::DISPLAY_METRIC_BOUNDS
|
850 gfx::DisplayObserver::DISPLAY_METRIC_WORK_AREA
;
853 if (current_display
.device_scale_factor() !=
854 new_display
.device_scale_factor()) {
855 metrics
|= gfx::DisplayObserver::DISPLAY_METRIC_DEVICE_SCALE_FACTOR
;
858 if (current_display
.rotation() != new_display
.rotation())
859 metrics
|= gfx::DisplayObserver::DISPLAY_METRIC_ROTATION
;
861 if (metrics
!= gfx::DisplayObserver::DISPLAY_METRIC_NONE
) {
862 display_changes
.insert(
863 std::pair
<size_t, uint32_t>(new_displays
.size(), metrics
));
866 new_display
.UpdateWorkAreaFromInsets(current_display
.GetWorkAreaInsets());
867 new_displays
.push_back(new_display
);
870 } else if (curr_iter
->id() < new_info_iter
->id()) {
871 // more displays in current list between ids, which means it is deleted.
872 removed_displays
.push_back(*curr_iter
);
875 // more displays in new list between ids, which means it is added.
876 added_display_indices
.push_back(new_displays
.size());
877 InsertAndUpdateDisplayInfo(*new_info_iter
);
878 new_displays
.push_back(
879 CreateDisplayFromDisplayInfoById(new_info_iter
->id()));
884 scoped_ptr
<NonDesktopDisplayUpdater
> non_desktop_display_updater(
885 new NonDesktopDisplayUpdater(this, delegate_
));
887 // Do not update |displays_| if there's nothing to be updated. Without this,
888 // it will not update the display layout, which causes the bug
889 // http://crbug.com/155948.
890 if (display_changes
.empty() && added_display_indices
.empty() &&
891 removed_displays
.empty()) {
894 // Clear focus if the display has been removed, but don't clear focus if
895 // the destkop has been moved from one display to another
896 // (mirror -> docked, docked -> single internal).
898 !removed_displays
.empty() &&
899 !(removed_displays
.size() == 1 && added_display_indices
.size() == 1);
901 delegate_
->PreDisplayConfigurationChange(clear_focus
);
903 size_t updated_index
;
904 if (UpdateSecondaryDisplayBoundsForLayout(&new_displays
, &updated_index
) &&
905 std::find(added_display_indices
.begin(),
906 added_display_indices
.end(),
907 updated_index
) == added_display_indices
.end()) {
908 uint32_t metrics
= gfx::DisplayObserver::DISPLAY_METRIC_BOUNDS
|
909 gfx::DisplayObserver::DISPLAY_METRIC_WORK_AREA
;
910 if (display_changes
.find(updated_index
) != display_changes
.end())
911 metrics
|= display_changes
[updated_index
];
913 display_changes
[updated_index
] = metrics
;
916 displays_
= new_displays
;
918 base::AutoReset
<bool> resetter(&change_display_upon_host_resize_
, false);
920 // Temporarily add displays to be removed because display object
921 // being removed are accessed during shutting down the root.
922 displays_
.insert(displays_
.end(), removed_displays
.begin(),
923 removed_displays
.end());
925 for (DisplayList::const_reverse_iterator iter
= removed_displays
.rbegin();
926 iter
!= removed_displays
.rend(); ++iter
) {
927 screen_ash_
->NotifyDisplayRemoved(displays_
.back());
928 displays_
.pop_back();
930 // Close the non desktop window here to avoid creating two compositor on
932 if (!non_desktop_display_updater
->enabled())
933 non_desktop_display_updater
.reset();
934 for (std::vector
<size_t>::iterator iter
= added_display_indices
.begin();
935 iter
!= added_display_indices
.end(); ++iter
) {
936 screen_ash_
->NotifyDisplayAdded(displays_
[*iter
]);
938 // Create the non destkop window after all displays are added so that
939 // it can mirror the display newly added. This can happen when switching
940 // from dock mode to software mirror mode.
941 non_desktop_display_updater
.reset();
942 for (std::map
<size_t, uint32_t>::iterator iter
= display_changes
.begin();
943 iter
!= display_changes
.end();
945 screen_ash_
->NotifyMetricsChanged(displays_
[iter
->first
], iter
->second
);
948 delegate_
->PostDisplayConfigurationChange();
950 #if defined(USE_X11) && defined(OS_CHROMEOS)
951 if (!display_changes
.empty() && base::SysInfo::IsRunningOnChromeOS())
952 ui::ClearX11DefaultRootWindow();
956 const gfx::Display
& DisplayManager::GetDisplayAt(size_t index
) const {
957 DCHECK_LT(index
, displays_
.size());
958 return displays_
[index
];
961 const gfx::Display
& DisplayManager::GetPrimaryDisplayCandidate() const {
962 if (GetNumDisplays() == 1)
964 DisplayLayout layout
= layout_store_
->GetRegisteredDisplayLayout(
965 GetCurrentDisplayIdPair());
966 return GetDisplayForId(layout
.primary_id
);
969 size_t DisplayManager::GetNumDisplays() const {
970 return displays_
.size();
973 bool DisplayManager::IsMirrored() const {
974 return mirrored_display_id_
!= gfx::Display::kInvalidDisplayID
;
977 const DisplayInfo
& DisplayManager::GetDisplayInfo(int64 display_id
) const {
978 DCHECK_NE(gfx::Display::kInvalidDisplayID
, display_id
);
980 std::map
<int64
, DisplayInfo
>::const_iterator iter
=
981 display_info_
.find(display_id
);
982 CHECK(iter
!= display_info_
.end()) << display_id
;
986 std::string
DisplayManager::GetDisplayNameForId(int64 id
) {
987 if (id
== gfx::Display::kInvalidDisplayID
)
988 return l10n_util::GetStringUTF8(IDS_ASH_STATUS_TRAY_UNKNOWN_DISPLAY_NAME
);
990 std::map
<int64
, DisplayInfo
>::const_iterator iter
= display_info_
.find(id
);
991 if (iter
!= display_info_
.end() && !iter
->second
.name().empty())
992 return iter
->second
.name();
994 return base::StringPrintf("Display %d", static_cast<int>(id
));
997 int64
DisplayManager::GetDisplayIdForUIScaling() const {
998 // UI Scaling is effective only on internal display.
999 int64 display_id
= gfx::Display::InternalDisplayId();
1001 display_id
= first_display_id();
1006 void DisplayManager::SetMirrorMode(bool mirrored
) {
1007 if (num_connected_displays() <= 1)
1010 #if defined(OS_CHROMEOS)
1011 if (base::SysInfo::IsRunningOnChromeOS()) {
1012 ui::MultipleDisplayState new_state
=
1013 mirrored
? ui::MULTIPLE_DISPLAY_STATE_DUAL_MIRROR
:
1014 ui::MULTIPLE_DISPLAY_STATE_DUAL_EXTENDED
;
1015 Shell::GetInstance()->display_configurator()->SetDisplayMode(new_state
);
1019 // This is fallback path to emulate mirroroing on desktop.
1020 SetSecondDisplayMode(mirrored
? MIRRORING
: EXTENDED
);
1021 DisplayInfoList display_info_list
;
1023 for (std::map
<int64
, DisplayInfo
>::const_iterator iter
=
1024 display_info_
.begin();
1025 count
< 2; ++iter
, ++count
) {
1026 display_info_list
.push_back(GetDisplayInfo(iter
->second
.id()));
1028 UpdateDisplays(display_info_list
);
1029 #if defined(OS_CHROMEOS)
1030 if (Shell::GetInstance()->display_configurator_animation()) {
1031 Shell::GetInstance()->display_configurator_animation()->
1032 StartFadeInAnimation();
1037 void DisplayManager::AddRemoveDisplay() {
1038 DCHECK(!displays_
.empty());
1039 std::vector
<DisplayInfo
> new_display_info_list
;
1040 const DisplayInfo
& first_display
= GetDisplayInfo(displays_
[0].id());
1041 new_display_info_list
.push_back(first_display
);
1042 // Add if there is only one display connected.
1043 if (num_connected_displays() == 1) {
1044 // Layout the 2nd display below the primary as with the real device.
1045 gfx::Rect host_bounds
= first_display
.bounds_in_native();
1046 new_display_info_list
.push_back(DisplayInfo::CreateFromSpec(
1048 "%d+%d-500x400", host_bounds
.x(), host_bounds
.bottom())));
1050 num_connected_displays_
= new_display_info_list
.size();
1051 mirrored_display_id_
= gfx::Display::kInvalidDisplayID
;
1052 non_desktop_display_
= gfx::Display();
1053 UpdateDisplays(new_display_info_list
);
1056 void DisplayManager::ToggleDisplayScaleFactor() {
1057 DCHECK(!displays_
.empty());
1058 std::vector
<DisplayInfo
> new_display_info_list
;
1059 for (DisplayList::const_iterator iter
= displays_
.begin();
1060 iter
!= displays_
.end(); ++iter
) {
1061 DisplayInfo display_info
= GetDisplayInfo(iter
->id());
1062 display_info
.set_device_scale_factor(
1063 display_info
.device_scale_factor() == 1.0f
? 2.0f
: 1.0f
);
1064 new_display_info_list
.push_back(display_info
);
1066 AddMirrorDisplayInfoIfAny(&new_display_info_list
);
1067 UpdateDisplays(new_display_info_list
);
1070 #if defined(OS_CHROMEOS)
1071 void DisplayManager::SetSoftwareMirroring(bool enabled
) {
1072 // TODO(oshima|bshe): Support external display on the system
1073 // that has virtual keyboard display.
1074 if (second_display_mode_
== VIRTUAL_KEYBOARD
)
1076 SetSecondDisplayMode(enabled
? MIRRORING
: EXTENDED
);
1079 bool DisplayManager::SoftwareMirroringEnabled() const {
1080 return software_mirroring_enabled();
1084 void DisplayManager::SetSecondDisplayMode(SecondDisplayMode mode
) {
1085 second_display_mode_
= mode
;
1086 mirrored_display_id_
= gfx::Display::kInvalidDisplayID
;
1087 non_desktop_display_
= gfx::Display();
1090 bool DisplayManager::UpdateDisplayBounds(int64 display_id
,
1091 const gfx::Rect
& new_bounds
) {
1092 if (change_display_upon_host_resize_
) {
1093 display_info_
[display_id
].SetBounds(new_bounds
);
1094 // Don't notify observers if the mirrored window has changed.
1095 if (software_mirroring_enabled() && mirrored_display_id_
== display_id
)
1097 gfx::Display
* display
= FindDisplayForId(display_id
);
1098 display
->SetSize(display_info_
[display_id
].size_in_pixel());
1099 screen_ash_
->NotifyMetricsChanged(
1100 *display
, gfx::DisplayObserver::DISPLAY_METRIC_BOUNDS
);
1106 void DisplayManager::CreateMirrorWindowIfAny() {
1107 NonDesktopDisplayUpdater
updater(this, delegate_
);
1110 void DisplayManager::CreateScreenForShutdown() const {
1111 bool native_is_ash
=
1112 gfx::Screen::GetScreenByType(gfx::SCREEN_TYPE_NATIVE
) ==
1114 delete screen_for_shutdown
;
1115 screen_for_shutdown
= screen_ash_
->CloneForShutdown();
1116 gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_ALTERNATE
,
1117 screen_for_shutdown
);
1118 if (native_is_ash
) {
1119 gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE
,
1120 screen_for_shutdown
);
1124 gfx::Display
* DisplayManager::FindDisplayForId(int64 id
) {
1125 for (DisplayList::iterator iter
= displays_
.begin();
1126 iter
!= displays_
.end(); ++iter
) {
1127 if ((*iter
).id() == id
)
1130 DLOG(WARNING
) << "Could not find display:" << id
;
1134 void DisplayManager::AddMirrorDisplayInfoIfAny(
1135 std::vector
<DisplayInfo
>* display_info_list
) {
1136 if (software_mirroring_enabled() && IsMirrored())
1137 display_info_list
->push_back(GetDisplayInfo(mirrored_display_id_
));
1140 void DisplayManager::InsertAndUpdateDisplayInfo(const DisplayInfo
& new_info
) {
1141 std::map
<int64
, DisplayInfo
>::iterator info
=
1142 display_info_
.find(new_info
.id());
1143 if (info
!= display_info_
.end()) {
1144 info
->second
.Copy(new_info
);
1146 display_info_
[new_info
.id()] = new_info
;
1147 display_info_
[new_info
.id()].set_native(false);
1149 display_info_
[new_info
.id()].UpdateDisplaySize();
1151 OnDisplayInfoUpdated(display_info_
[new_info
.id()]);
1154 void DisplayManager::OnDisplayInfoUpdated(const DisplayInfo
& display_info
) {
1155 #if defined(OS_CHROMEOS)
1156 ui::ColorCalibrationProfile color_profile
= display_info
.color_profile();
1157 if (color_profile
!= ui::COLOR_PROFILE_STANDARD
) {
1158 Shell::GetInstance()->display_configurator()->SetColorCalibrationProfile(
1159 display_info
.id(), color_profile
);
1164 gfx::Display
DisplayManager::CreateDisplayFromDisplayInfoById(int64 id
) {
1165 DCHECK(display_info_
.find(id
) != display_info_
.end());
1166 const DisplayInfo
& display_info
= display_info_
[id
];
1168 gfx::Display
new_display(display_info
.id());
1169 gfx::Rect
bounds_in_native(display_info
.size_in_pixel());
1170 float device_scale_factor
= display_info
.GetEffectiveDeviceScaleFactor();
1172 // Simply set the origin to (0,0). The primary display's origin is
1173 // always (0,0) and the secondary display's bounds will be updated
1174 // in |UpdateSecondaryDisplayBoundsForLayout| called in |UpdateDisplay|.
1175 new_display
.SetScaleAndBounds(
1176 device_scale_factor
, gfx::Rect(bounds_in_native
.size()));
1177 new_display
.set_rotation(display_info
.rotation());
1178 new_display
.set_touch_support(display_info
.touch_support());
1182 bool DisplayManager::UpdateSecondaryDisplayBoundsForLayout(
1183 DisplayList
* displays
,
1184 size_t* updated_index
) const {
1185 if (displays
->size() != 2U)
1188 int64 id_at_zero
= displays
->at(0).id();
1189 DisplayIdPair pair
=
1190 (id_at_zero
== first_display_id_
||
1191 id_at_zero
== gfx::Display::InternalDisplayId()) ?
1192 std::make_pair(id_at_zero
, displays
->at(1).id()) :
1193 std::make_pair(displays
->at(1).id(), id_at_zero
);
1194 DisplayLayout layout
=
1195 layout_store_
->ComputeDisplayLayoutForDisplayIdPair(pair
);
1197 // Ignore if a user has a old format (should be extremely rare)
1198 // and this will be replaced with DCHECK.
1199 if (layout
.primary_id
!= gfx::Display::kInvalidDisplayID
) {
1200 size_t primary_index
, secondary_index
;
1201 if (displays
->at(0).id() == layout
.primary_id
) {
1203 secondary_index
= 1;
1206 secondary_index
= 0;
1208 // This function may be called before the secondary display is
1209 // registered. The bounds is empty in that case and will
1212 GetDisplayForId(displays
->at(secondary_index
).id()).bounds();
1213 UpdateDisplayBoundsForLayout(
1214 layout
, displays
->at(primary_index
), &displays
->at(secondary_index
));
1215 *updated_index
= secondary_index
;
1216 return bounds
!= displays
->at(secondary_index
).bounds();
1222 void DisplayManager::UpdateDisplayBoundsForLayout(
1223 const DisplayLayout
& layout
,
1224 const gfx::Display
& primary_display
,
1225 gfx::Display
* secondary_display
) {
1226 DCHECK_EQ("0,0", primary_display
.bounds().origin().ToString());
1228 const gfx::Rect
& primary_bounds
= primary_display
.bounds();
1229 const gfx::Rect
& secondary_bounds
= secondary_display
->bounds();
1230 gfx::Point new_secondary_origin
= primary_bounds
.origin();
1232 DisplayLayout::Position position
= layout
.position
;
1234 // Ignore the offset in case the secondary display doesn't share edges with
1235 // the primary display.
1236 int offset
= layout
.offset
;
1237 if (position
== DisplayLayout::TOP
|| position
== DisplayLayout::BOTTOM
) {
1239 offset
, primary_bounds
.width() - kMinimumOverlapForInvalidOffset
);
1241 offset
, -secondary_bounds
.width() + kMinimumOverlapForInvalidOffset
);
1244 offset
, primary_bounds
.height() - kMinimumOverlapForInvalidOffset
);
1246 offset
, -secondary_bounds
.height() + kMinimumOverlapForInvalidOffset
);
1249 case DisplayLayout::TOP
:
1250 new_secondary_origin
.Offset(offset
, -secondary_bounds
.height());
1252 case DisplayLayout::RIGHT
:
1253 new_secondary_origin
.Offset(primary_bounds
.width(), offset
);
1255 case DisplayLayout::BOTTOM
:
1256 new_secondary_origin
.Offset(offset
, primary_bounds
.height());
1258 case DisplayLayout::LEFT
:
1259 new_secondary_origin
.Offset(-secondary_bounds
.width(), offset
);
1262 gfx::Insets insets
= secondary_display
->GetWorkAreaInsets();
1263 secondary_display
->set_bounds(
1264 gfx::Rect(new_secondary_origin
, secondary_bounds
.size()));
1265 secondary_display
->UpdateWorkAreaFromInsets(insets
);