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Unified Diff: ash/display/display_manager.cc

Issue 2445583002: Relocate display_manager from ash to ui (Closed)
Patch Set: fix windows build Created 4 years, 2 months ago
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Index: ash/display/display_manager.cc
diff --git a/ash/display/display_manager.cc b/ash/display/display_manager.cc
deleted file mode 100644
index b117acb0e6fab55b0baabe34a08710366fe4771b..0000000000000000000000000000000000000000
--- a/ash/display/display_manager.cc
+++ /dev/null
@@ -1,1438 +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 "ash/display/display_manager.h"
-
-#include <algorithm>
-#include <cmath>
-#include <limits>
-#include <map>
-#include <set>
-#include <string>
-#include <utility>
-#include <vector>
-
-#include "base/auto_reset.h"
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/logging.h"
-#include "base/memory/ptr_util.h"
-#include "base/metrics/histogram.h"
-#include "base/run_loop.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/string_split.h"
-#include "base/strings/stringprintf.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "ui/display/display.h"
-#include "ui/display/display_observer.h"
-#include "ui/display/display_switches.h"
-#include "ui/display/manager/display_layout_store.h"
-#include "ui/display/manager/display_manager_utilities.h"
-#include "ui/display/manager/managed_display_info.h"
-#include "ui/display/screen.h"
-#include "ui/gfx/font_render_params.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/gfx/geometry/size_conversions.h"
-
-#if defined(USE_X11)
-#include "ui/base/x/x11_util.h" // nogncheck
-#endif
-
-#if defined(OS_CHROMEOS)
-#include "base/sys_info.h"
-#endif
-
-#if defined(OS_WIN)
-#include "base/win/windows_version.h"
-#endif
-
-namespace ash {
-
-namespace {
-
-// The number of pixels to overlap between the primary and secondary displays,
-// in case that the offset value is too large.
-const int kMinimumOverlapForInvalidOffset = 100;
-
-struct DisplaySortFunctor {
- bool operator()(const display::Display& a, const display::Display& b) {
- return display::CompareDisplayIds(a.id(), b.id());
- }
-};
-
-struct DisplayInfoSortFunctor {
- bool operator()(const display::ManagedDisplayInfo& a,
- const display::ManagedDisplayInfo& b) {
- return display::CompareDisplayIds(a.id(), b.id());
- }
-};
-
-display::Display& GetInvalidDisplay() {
- static display::Display* invalid_display = new display::Display();
- return *invalid_display;
-}
-
-display::ManagedDisplayInfo::ManagedDisplayModeList::const_iterator
-FindDisplayMode(const display::ManagedDisplayInfo& info,
- const scoped_refptr<display::ManagedDisplayMode>& target_mode) {
- const display::ManagedDisplayInfo::ManagedDisplayModeList& modes =
- info.display_modes();
- return std::find_if(
- modes.begin(), modes.end(),
- [target_mode](const scoped_refptr<display::ManagedDisplayMode>& mode) {
- return target_mode->IsEquivalent(mode);
- });
-}
-
-void SetInternalManagedDisplayModeList(display::ManagedDisplayInfo* info) {
- scoped_refptr<display::ManagedDisplayMode> native_mode =
- new display::ManagedDisplayMode(
- info->bounds_in_native().size(), 0.0 /* refresh_rate */,
- false /* interlaced */, false /* native_mode */, 1.0 /* ui_scale */,
- info->device_scale_factor());
- info->SetManagedDisplayModes(
- display::CreateInternalManagedDisplayModeList(native_mode));
-}
-
-void MaybeInitInternalDisplay(display::ManagedDisplayInfo* info) {
- int64_t id = info->id();
- base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
- if (command_line->HasSwitch(::switches::kUseFirstDisplayAsInternal)) {
- display::Display::SetInternalDisplayId(id);
- SetInternalManagedDisplayModeList(info);
- }
-}
-
-gfx::Size GetMaxNativeSize(const display::ManagedDisplayInfo& info) {
- gfx::Size size;
- for (auto& mode : info.display_modes()) {
- if (mode->size().GetArea() > size.GetArea())
- size = mode->size();
- }
- return size;
-}
-
-scoped_refptr<display::ManagedDisplayMode> GetDefaultDisplayMode(
- const display::ManagedDisplayInfo& info) {
- const auto& modes = info.display_modes();
- auto iter =
- std::find_if(modes.begin(), modes.end(),
- [](const scoped_refptr<display::ManagedDisplayMode>& mode) {
- return mode->is_default();
- });
-
- if (iter == modes.end())
- return scoped_refptr<display::ManagedDisplayMode>();
- return *iter;
-}
-
-} // namespace
-
-using std::string;
-using std::vector;
-
-// static
-int64_t DisplayManager::kUnifiedDisplayId = -10;
-
-DisplayManager::DisplayManager(std::unique_ptr<display::Screen> screen)
- : delegate_(nullptr),
- screen_(std::move(screen)),
- layout_store_(new display::DisplayLayoutStore),
- first_display_id_(display::Display::kInvalidDisplayID),
- num_connected_displays_(0),
- force_bounds_changed_(false),
- change_display_upon_host_resize_(false),
- multi_display_mode_(EXTENDED),
- current_default_multi_display_mode_(EXTENDED),
- mirroring_display_id_(display::Display::kInvalidDisplayID),
- registered_internal_display_rotation_lock_(false),
- registered_internal_display_rotation_(display::Display::ROTATE_0),
- unified_desktop_enabled_(false),
- weak_ptr_factory_(this) {
-#if defined(OS_CHROMEOS)
- change_display_upon_host_resize_ = !base::SysInfo::IsRunningOnChromeOS();
- unified_desktop_enabled_ = base::CommandLine::ForCurrentProcess()->HasSwitch(
- ::switches::kEnableUnifiedDesktop);
-#endif
-}
-
-DisplayManager::~DisplayManager() {
-#if defined(OS_CHROMEOS)
- // Reset the font params.
- gfx::SetFontRenderParamsDeviceScaleFactor(1.0f);
-#endif
-}
-
-bool DisplayManager::InitFromCommandLine() {
- DisplayInfoList info_list;
- base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
- if (!command_line->HasSwitch(::switches::kHostWindowBounds))
- return false;
- const string size_str =
- command_line->GetSwitchValueASCII(::switches::kHostWindowBounds);
- for (const std::string& part : base::SplitString(
- size_str, ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL)) {
- info_list.push_back(display::ManagedDisplayInfo::CreateFromSpec(part));
- info_list.back().set_native(true);
- }
- MaybeInitInternalDisplay(&info_list[0]);
- if (info_list.size() > 1 &&
- command_line->HasSwitch(::switches::kEnableSoftwareMirroring)) {
- SetMultiDisplayMode(MIRRORING);
- }
- OnNativeDisplaysChanged(info_list);
- return true;
-}
-
-void DisplayManager::InitDefaultDisplay() {
- DisplayInfoList info_list;
- info_list.push_back(
- display::ManagedDisplayInfo::CreateFromSpec(std::string()));
- info_list.back().set_native(true);
- MaybeInitInternalDisplay(&info_list[0]);
- OnNativeDisplaysChanged(info_list);
-}
-
-void DisplayManager::RefreshFontParams() {
-#if defined(OS_CHROMEOS)
- // Use the largest device scale factor among currently active displays. Non
- // internal display may have bigger scale factor in case the external display
- // is an 4K display.
- float largest_device_scale_factor = 1.0f;
- for (const display::Display& display : active_display_list_) {
- const display::ManagedDisplayInfo& info = display_info_[display.id()];
- largest_device_scale_factor = std::max(
- largest_device_scale_factor, info.GetEffectiveDeviceScaleFactor());
- }
- gfx::SetFontRenderParamsDeviceScaleFactor(largest_device_scale_factor);
-#endif // OS_CHROMEOS
-}
-
-const display::DisplayLayout& DisplayManager::GetCurrentDisplayLayout() const {
- DCHECK_LE(2U, num_connected_displays());
- if (num_connected_displays() > 1) {
- display::DisplayIdList list = GetCurrentDisplayIdList();
- return layout_store_->GetRegisteredDisplayLayout(list);
- }
- LOG(ERROR) << "DisplayLayout is requested for single display";
- // On release build, just fallback to default instead of blowing up.
- static display::DisplayLayout layout;
- layout.primary_id = active_display_list_[0].id();
- return layout;
-}
-
-display::DisplayIdList DisplayManager::GetCurrentDisplayIdList() const {
- if (IsInUnifiedMode()) {
- return display::CreateDisplayIdList(software_mirroring_display_list_);
- } else if (IsInMirrorMode()) {
- if (software_mirroring_enabled()) {
- CHECK_EQ(2u, num_connected_displays());
- // This comment is to make it easy to distinguish the crash
- // between two checks.
- CHECK_EQ(1u, active_display_list_.size());
- }
- int64_t ids[] = {active_display_list_[0].id(), mirroring_display_id_};
- return display::GenerateDisplayIdList(std::begin(ids), std::end(ids));
- } else {
- CHECK_LE(2u, active_display_list_.size());
- return display::CreateDisplayIdList(active_display_list_);
- }
-}
-
-void DisplayManager::SetLayoutForCurrentDisplays(
- std::unique_ptr<display::DisplayLayout> layout) {
- if (GetNumDisplays() == 1)
- return;
- const display::DisplayIdList list = GetCurrentDisplayIdList();
-
- DCHECK(display::DisplayLayout::Validate(list, *layout));
-
- const display::DisplayLayout& current_layout =
- layout_store_->GetRegisteredDisplayLayout(list);
-
- if (layout->HasSamePlacementList(current_layout))
- return;
-
- layout_store_->RegisterLayoutForDisplayIdList(list, std::move(layout));
- if (delegate_)
- delegate_->PreDisplayConfigurationChange(false);
-
- // TODO(oshima): Call UpdateDisplays instead.
- std::vector<int64_t> updated_ids;
- ApplyDisplayLayout(GetCurrentDisplayLayout(), &active_display_list_,
- &updated_ids);
- for (int64_t id : updated_ids) {
- NotifyMetricsChanged(
- GetDisplayForId(id),
- display::DisplayObserver::DISPLAY_METRIC_BOUNDS |
- display::DisplayObserver::DISPLAY_METRIC_WORK_AREA);
- }
-
- if (delegate_)
- delegate_->PostDisplayConfigurationChange();
-}
-
-const display::Display& DisplayManager::GetDisplayForId(int64_t id) const {
- display::Display* display =
- const_cast<DisplayManager*>(this)->FindDisplayForId(id);
- return display ? *display : GetInvalidDisplay();
-}
-
-const display::Display& DisplayManager::FindDisplayContainingPoint(
- const gfx::Point& point_in_screen) const {
- int index = display::FindDisplayIndexContainingPoint(active_display_list_,
- point_in_screen);
- return index < 0 ? GetInvalidDisplay() : active_display_list_[index];
-}
-
-bool DisplayManager::UpdateWorkAreaOfDisplay(int64_t display_id,
- const gfx::Insets& insets) {
- display::Display* display = FindDisplayForId(display_id);
- DCHECK(display);
- gfx::Rect old_work_area = display->work_area();
- display->UpdateWorkAreaFromInsets(insets);
- bool workarea_changed = old_work_area != display->work_area();
- if (workarea_changed) {
- NotifyMetricsChanged(*display,
- display::DisplayObserver::DISPLAY_METRIC_WORK_AREA);
- }
- return workarea_changed;
-}
-
-void DisplayManager::SetOverscanInsets(int64_t display_id,
- const gfx::Insets& insets_in_dip) {
- bool update = false;
- DisplayInfoList display_info_list;
- for (const auto& display : active_display_list_) {
- display::ManagedDisplayInfo info = GetDisplayInfo(display.id());
- if (info.id() == display_id) {
- if (insets_in_dip.IsEmpty()) {
- info.set_clear_overscan_insets(true);
- } else {
- info.set_clear_overscan_insets(false);
- info.SetOverscanInsets(insets_in_dip);
- }
- update = true;
- }
- display_info_list.push_back(info);
- }
- if (update) {
- AddMirrorDisplayInfoIfAny(&display_info_list);
- UpdateDisplaysWith(display_info_list);
- } else {
- display_info_[display_id].SetOverscanInsets(insets_in_dip);
- }
-}
-
-void DisplayManager::SetDisplayRotation(
- int64_t display_id,
- display::Display::Rotation rotation,
- display::Display::RotationSource source) {
- if (IsInUnifiedMode())
- return;
-
- DisplayInfoList display_info_list;
- bool is_active = false;
- for (const auto& display : active_display_list_) {
- display::ManagedDisplayInfo info = GetDisplayInfo(display.id());
- if (info.id() == display_id) {
- if (info.GetRotation(source) == rotation &&
- info.GetActiveRotation() == rotation) {
- return;
- }
- info.SetRotation(rotation, source);
- is_active = true;
- }
- display_info_list.push_back(info);
- }
- if (is_active) {
- AddMirrorDisplayInfoIfAny(&display_info_list);
- UpdateDisplaysWith(display_info_list);
- } else if (display_info_.find(display_id) != display_info_.end()) {
- // Inactive displays can reactivate, ensure they have been updated.
- display_info_[display_id].SetRotation(rotation, source);
- }
-}
-
-bool DisplayManager::SetDisplayMode(
- int64_t display_id,
- const scoped_refptr<display::ManagedDisplayMode>& display_mode) {
- bool change_ui_scale = GetDisplayIdForUIScaling() == display_id;
-
- DisplayInfoList display_info_list;
- bool display_property_changed = false;
- bool resolution_changed = false;
- for (const auto& display : active_display_list_) {
- display::ManagedDisplayInfo info = GetDisplayInfo(display.id());
- if (info.id() == display_id) {
- auto iter = FindDisplayMode(info, display_mode);
- if (iter == info.display_modes().end()) {
- LOG(WARNING) << "Unsupported display mode was requested:"
- << "size=" << display_mode->size().ToString()
- << ", ui scale=" << display_mode->ui_scale()
- << ", scale factor="
- << display_mode->device_scale_factor();
- return false;
- }
-
- if (change_ui_scale) {
- if (info.configured_ui_scale() == display_mode->ui_scale())
- return true;
- info.set_configured_ui_scale(display_mode->ui_scale());
- display_property_changed = true;
- } else {
- display_modes_[display_id] = *iter;
- if (info.bounds_in_native().size() != display_mode->size())
- resolution_changed = true;
- if (info.device_scale_factor() != display_mode->device_scale_factor()) {
- info.set_device_scale_factor(display_mode->device_scale_factor());
- display_property_changed = true;
- }
- }
- }
- display_info_list.push_back(info);
- }
- if (display_property_changed) {
- AddMirrorDisplayInfoIfAny(&display_info_list);
- UpdateDisplaysWith(display_info_list);
- }
- if (resolution_changed && IsInUnifiedMode()) {
- ReconfigureDisplays();
-#if defined(OS_CHROMEOS)
- } else if (resolution_changed && base::SysInfo::IsRunningOnChromeOS()) {
- delegate_->display_configurator()->OnConfigurationChanged();
-#endif
- }
- return resolution_changed || display_property_changed;
-}
-
-void DisplayManager::RegisterDisplayProperty(
- int64_t display_id,
- display::Display::Rotation rotation,
- float ui_scale,
- const gfx::Insets* overscan_insets,
- const gfx::Size& resolution_in_pixels,
- float device_scale_factor,
- ui::ColorCalibrationProfile color_profile) {
- if (display_info_.find(display_id) == display_info_.end())
- display_info_[display_id] =
- display::ManagedDisplayInfo(display_id, std::string(), false);
-
- // Do not allow rotation in unified desktop mode.
- if (display_id == kUnifiedDisplayId)
- rotation = display::Display::ROTATE_0;
-
- display_info_[display_id].SetRotation(rotation,
- display::Display::ROTATION_SOURCE_USER);
- display_info_[display_id].SetRotation(
- rotation, display::Display::ROTATION_SOURCE_ACTIVE);
- display_info_[display_id].SetColorProfile(color_profile);
- // Just in case the preference file was corrupted.
- // TODO(mukai): register |display_modes_| here as well, so the lookup for the
- // default mode in GetActiveModeForDisplayId() gets much simpler.
- if (0.5f <= ui_scale && ui_scale <= 2.0f)
- display_info_[display_id].set_configured_ui_scale(ui_scale);
- if (overscan_insets)
- display_info_[display_id].SetOverscanInsets(*overscan_insets);
- if (!resolution_in_pixels.IsEmpty()) {
- DCHECK(!display::Display::IsInternalDisplayId(display_id));
- // Default refresh rate, until OnNativeDisplaysChanged() updates us with the
- // actual display info, is 60 Hz.
- scoped_refptr<display::ManagedDisplayMode> mode =
- new display::ManagedDisplayMode(resolution_in_pixels, 60.0f, false,
- false, 1.0, device_scale_factor);
- display_modes_[display_id] = mode;
- }
-}
-
-scoped_refptr<display::ManagedDisplayMode>
-DisplayManager::GetActiveModeForDisplayId(int64_t display_id) const {
- scoped_refptr<display::ManagedDisplayMode> selected_mode(
- GetSelectedModeForDisplayId(display_id));
- if (selected_mode)
- return selected_mode;
-
- // If 'selected' mode is empty, it should return the default mode. This means
- // the native mode for the external display. Unfortunately this is not true
- // for the internal display because restoring UI-scale doesn't register the
- // restored mode to |display_mode_|, so it needs to look up the mode whose
- // UI-scale value matches. See the TODO in RegisterDisplayProperty().
- const display::ManagedDisplayInfo& info = GetDisplayInfo(display_id);
-
- for (auto& mode : info.display_modes()) {
- if (GetDisplayIdForUIScaling() == display_id) {
- if (info.configured_ui_scale() == mode->ui_scale())
- return mode.get();
- } else if (mode->native()) {
- return mode.get();
- }
- }
- return selected_mode;
-}
-
-void DisplayManager::RegisterDisplayRotationProperties(
- bool rotation_lock,
- display::Display::Rotation rotation) {
- if (delegate_)
- delegate_->PreDisplayConfigurationChange(false);
- registered_internal_display_rotation_lock_ = rotation_lock;
- registered_internal_display_rotation_ = rotation;
- if (delegate_)
- delegate_->PostDisplayConfigurationChange();
-}
-
-scoped_refptr<display::ManagedDisplayMode>
-DisplayManager::GetSelectedModeForDisplayId(int64_t id) const {
- std::map<int64_t, scoped_refptr<display::ManagedDisplayMode>>::const_iterator
- iter = display_modes_.find(id);
- if (iter == display_modes_.end())
- return scoped_refptr<display::ManagedDisplayMode>();
- return iter->second;
-}
-
-bool DisplayManager::IsDisplayUIScalingEnabled() const {
- return GetDisplayIdForUIScaling() != display::Display::kInvalidDisplayID;
-}
-
-gfx::Insets DisplayManager::GetOverscanInsets(int64_t display_id) const {
- std::map<int64_t, display::ManagedDisplayInfo>::const_iterator it =
- display_info_.find(display_id);
- return (it != display_info_.end()) ? it->second.overscan_insets_in_dip()
- : gfx::Insets();
-}
-
-void DisplayManager::SetColorCalibrationProfile(
- int64_t display_id,
- ui::ColorCalibrationProfile profile) {
-#if defined(OS_CHROMEOS)
- if (!display_info_[display_id].IsColorProfileAvailable(profile))
- return;
-
- if (delegate_)
- delegate_->PreDisplayConfigurationChange(false);
- // Just sets color profile if it's not running on ChromeOS (like tests).
- if (!base::SysInfo::IsRunningOnChromeOS() ||
- delegate_->display_configurator()->SetColorCalibrationProfile(display_id,
- profile)) {
- display_info_[display_id].SetColorProfile(profile);
- UMA_HISTOGRAM_ENUMERATION("ChromeOS.Display.ColorProfile", profile,
- ui::NUM_COLOR_PROFILES);
- }
- if (delegate_)
- delegate_->PostDisplayConfigurationChange();
-#endif
-}
-
-void DisplayManager::OnNativeDisplaysChanged(
- const DisplayInfoList& updated_displays) {
- if (updated_displays.empty()) {
- VLOG(1) << "OnNativeDisplaysChanged(0): # of current displays="
- << active_display_list_.size();
- // If the device is booted without display, or chrome is started
- // without --ash-host-window-bounds on linux desktop, use the
- // default display.
- if (active_display_list_.empty()) {
- DisplayInfoList init_displays;
- init_displays.push_back(
- display::ManagedDisplayInfo::CreateFromSpec(std::string()));
- MaybeInitInternalDisplay(&init_displays[0]);
- OnNativeDisplaysChanged(init_displays);
- } else {
- // Otherwise don't update the displays when all displays are disconnected.
- // This happens when:
- // - the device is idle and powerd requested to turn off all displays.
- // - the device is suspended. (kernel turns off all displays)
- // - the internal display's brightness is set to 0 and no external
- // display is connected.
- // - the internal display's brightness is 0 and external display is
- // disconnected.
- // The display will be updated when one of displays is turned on, and the
- // display list will be updated correctly.
- }
- return;
- }
- first_display_id_ = updated_displays[0].id();
- std::set<gfx::Point> origins;
-
- if (updated_displays.size() == 1) {
- VLOG(1) << "OnNativeDisplaysChanged(1):" << updated_displays[0].ToString();
- } else {
- VLOG(1) << "OnNativeDisplaysChanged(" << updated_displays.size()
- << ") [0]=" << updated_displays[0].ToString()
- << ", [1]=" << updated_displays[1].ToString();
- }
-
- bool internal_display_connected = false;
- num_connected_displays_ = updated_displays.size();
- mirroring_display_id_ = display::Display::kInvalidDisplayID;
- software_mirroring_display_list_.clear();
- DisplayInfoList new_display_info_list;
- for (DisplayInfoList::const_iterator iter = updated_displays.begin();
- iter != updated_displays.end(); ++iter) {
- if (!internal_display_connected)
- internal_display_connected =
- display::Display::IsInternalDisplayId(iter->id());
- // Mirrored monitors have the same origins.
- gfx::Point origin = iter->bounds_in_native().origin();
- if (origins.find(origin) != origins.end()) {
- InsertAndUpdateDisplayInfo(*iter);
- mirroring_display_id_ = iter->id();
- } else {
- origins.insert(origin);
- new_display_info_list.push_back(*iter);
- }
-
- scoped_refptr<display::ManagedDisplayMode> new_mode(
- new display::ManagedDisplayMode(
- iter->bounds_in_native().size(), 0.0 /* refresh rate */,
- false /* interlaced */, false /* native */,
- iter->configured_ui_scale(), iter->device_scale_factor()));
- const display::ManagedDisplayInfo::ManagedDisplayModeList& display_modes =
- iter->display_modes();
- // This is empty the displays are initialized from InitFromCommandLine.
- if (display_modes.empty())
- continue;
- auto display_modes_iter = FindDisplayMode(*iter, new_mode);
- // Update the actual resolution selected as the resolution request may fail.
- if (display_modes_iter == display_modes.end())
- display_modes_.erase(iter->id());
- else if (display_modes_.find(iter->id()) != display_modes_.end())
- display_modes_[iter->id()] = *display_modes_iter;
- }
- if (display::Display::HasInternalDisplay() && !internal_display_connected) {
- if (display_info_.find(display::Display::InternalDisplayId()) ==
- display_info_.end()) {
- // Create a dummy internal display if the chrome restarted
- // in docked mode.
- display::ManagedDisplayInfo internal_display_info(
- display::Display::InternalDisplayId(),
- delegate_->GetInternalDisplayNameString(),
- false /*Internal display must not have overscan */);
- internal_display_info.SetBounds(gfx::Rect(0, 0, 800, 600));
- display_info_[display::Display::InternalDisplayId()] =
- internal_display_info;
- } else {
- // Internal display is no longer active. Reset its rotation to user
- // preference, so that it is restored when the internal display becomes
- // active again.
- display::Display::Rotation user_rotation =
- display_info_[display::Display::InternalDisplayId()].GetRotation(
- display::Display::ROTATION_SOURCE_USER);
- display_info_[display::Display::InternalDisplayId()].SetRotation(
- user_rotation, display::Display::ROTATION_SOURCE_USER);
- }
- }
-
-#if defined(OS_CHROMEOS)
- if (!base::SysInfo::IsRunningOnChromeOS() &&
- new_display_info_list.size() > 1) {
- display::DisplayIdList list = GenerateDisplayIdList(
- new_display_info_list.begin(), new_display_info_list.end(),
- [](const display::ManagedDisplayInfo& info) { return info.id(); });
-
- const display::DisplayLayout& layout =
- layout_store_->GetRegisteredDisplayLayout(list);
- // Mirror mode is set by DisplayConfigurator on the device.
- // Emulate it when running on linux desktop.
- if (layout.mirrored)
- SetMultiDisplayMode(MIRRORING);
- }
-#endif
-
- UpdateDisplaysWith(new_display_info_list);
-}
-
-void DisplayManager::UpdateDisplays() {
- DisplayInfoList display_info_list;
- for (const auto& display : active_display_list_)
- display_info_list.push_back(GetDisplayInfo(display.id()));
- AddMirrorDisplayInfoIfAny(&display_info_list);
- UpdateDisplaysWith(display_info_list);
-}
-
-void DisplayManager::UpdateDisplaysWith(
- const DisplayInfoList& updated_display_info_list) {
-#if defined(OS_WIN)
- DCHECK_EQ(1u, updated_display_info_list.size())
- << ": Multiple display test does not work on Windows bots. Please "
- "skip (don't disable) the test using SupportsMultipleDisplays()";
-#endif
-
- DisplayInfoList new_display_info_list = updated_display_info_list;
- std::sort(active_display_list_.begin(), active_display_list_.end(),
- DisplaySortFunctor());
- std::sort(new_display_info_list.begin(), new_display_info_list.end(),
- DisplayInfoSortFunctor());
-
- if (new_display_info_list.size() > 1) {
- display::DisplayIdList list = GenerateDisplayIdList(
- new_display_info_list.begin(), new_display_info_list.end(),
- [](const display::ManagedDisplayInfo& info) { return info.id(); });
- const display::DisplayLayout& layout =
- layout_store_->GetRegisteredDisplayLayout(list);
- current_default_multi_display_mode_ =
- (layout.default_unified && unified_desktop_enabled_) ? UNIFIED
- : EXTENDED;
- }
-
- if (multi_display_mode_ != MIRRORING)
- multi_display_mode_ = current_default_multi_display_mode_;
-
- CreateSoftwareMirroringDisplayInfo(&new_display_info_list);
-
- // Close the mirroring window if any here to avoid creating two compositor on
- // one display.
- if (delegate_)
- delegate_->CloseMirroringDisplayIfNotNecessary();
-
- display::Displays new_displays;
- display::Displays removed_displays;
- std::map<size_t, uint32_t> display_changes;
- std::vector<size_t> added_display_indices;
-
- display::Displays::iterator curr_iter = active_display_list_.begin();
- DisplayInfoList::const_iterator new_info_iter = new_display_info_list.begin();
-
- while (curr_iter != active_display_list_.end() ||
- new_info_iter != new_display_info_list.end()) {
- if (curr_iter == active_display_list_.end()) {
- // more displays in new list.
- added_display_indices.push_back(new_displays.size());
- InsertAndUpdateDisplayInfo(*new_info_iter);
- new_displays.push_back(
- CreateDisplayFromDisplayInfoById(new_info_iter->id()));
- ++new_info_iter;
- } else if (new_info_iter == new_display_info_list.end()) {
- // more displays in current list.
- removed_displays.push_back(*curr_iter);
- ++curr_iter;
- } else if (curr_iter->id() == new_info_iter->id()) {
- const display::Display& current_display = *curr_iter;
- // Copy the info because |InsertAndUpdateDisplayInfo| updates the
- // instance.
- const display::ManagedDisplayInfo current_display_info =
- GetDisplayInfo(current_display.id());
- InsertAndUpdateDisplayInfo(*new_info_iter);
- display::Display new_display =
- CreateDisplayFromDisplayInfoById(new_info_iter->id());
- const display::ManagedDisplayInfo& new_display_info =
- GetDisplayInfo(new_display.id());
-
- uint32_t metrics = display::DisplayObserver::DISPLAY_METRIC_NONE;
-
- // At that point the new Display objects we have are not entirely updated,
- // they are missing the translation related to the Display disposition in
- // the layout.
- // Using display.bounds() and display.work_area() would fail most of the
- // time.
- if (force_bounds_changed_ || (current_display_info.bounds_in_native() !=
- new_display_info.bounds_in_native()) ||
- (current_display_info.GetOverscanInsetsInPixel() !=
- new_display_info.GetOverscanInsetsInPixel()) ||
- current_display.size() != new_display.size()) {
- metrics |= display::DisplayObserver::DISPLAY_METRIC_BOUNDS |
- display::DisplayObserver::DISPLAY_METRIC_WORK_AREA;
- }
-
- if (current_display.device_scale_factor() !=
- new_display.device_scale_factor()) {
- metrics |= display::DisplayObserver::DISPLAY_METRIC_DEVICE_SCALE_FACTOR;
- }
-
- if (current_display.rotation() != new_display.rotation())
- metrics |= display::DisplayObserver::DISPLAY_METRIC_ROTATION;
-
- if (metrics != display::DisplayObserver::DISPLAY_METRIC_NONE) {
- display_changes.insert(
- std::pair<size_t, uint32_t>(new_displays.size(), metrics));
- }
-
- new_display.UpdateWorkAreaFromInsets(current_display.GetWorkAreaInsets());
- new_displays.push_back(new_display);
- ++curr_iter;
- ++new_info_iter;
- } else if (curr_iter->id() < new_info_iter->id()) {
- // more displays in current list between ids, which means it is deleted.
- removed_displays.push_back(*curr_iter);
- ++curr_iter;
- } else {
- // more displays in new list between ids, which means it is added.
- added_display_indices.push_back(new_displays.size());
- InsertAndUpdateDisplayInfo(*new_info_iter);
- new_displays.push_back(
- CreateDisplayFromDisplayInfoById(new_info_iter->id()));
- ++new_info_iter;
- }
- }
- display::Display old_primary;
- if (delegate_)
- old_primary = screen_->GetPrimaryDisplay();
-
- // Clear focus if the display has been removed, but don't clear focus if
- // the destkop has been moved from one display to another
- // (mirror -> docked, docked -> single internal).
- bool clear_focus =
- !removed_displays.empty() &&
- !(removed_displays.size() == 1 && added_display_indices.size() == 1);
- if (delegate_)
- delegate_->PreDisplayConfigurationChange(clear_focus);
-
- std::vector<size_t> updated_indices;
- UpdateNonPrimaryDisplayBoundsForLayout(&new_displays, &updated_indices);
- for (size_t updated_index : updated_indices) {
- if (std::find(added_display_indices.begin(), added_display_indices.end(),
- updated_index) == added_display_indices.end()) {
- uint32_t metrics = display::DisplayObserver::DISPLAY_METRIC_BOUNDS |
- display::DisplayObserver::DISPLAY_METRIC_WORK_AREA;
- if (display_changes.find(updated_index) != display_changes.end())
- metrics |= display_changes[updated_index];
-
- display_changes[updated_index] = metrics;
- }
- }
-
- active_display_list_ = new_displays;
- active_only_display_list_ = active_display_list_;
-
- RefreshFontParams();
- base::AutoReset<bool> resetter(&change_display_upon_host_resize_, false);
-
- int active_display_list_size = active_display_list_.size();
- is_updating_display_list_ = true;
- // Temporarily add displays to be removed because display object
- // being removed are accessed during shutting down the root.
- active_display_list_.insert(active_display_list_.end(),
- removed_displays.begin(), removed_displays.end());
-
- for (const auto& display : removed_displays)
- NotifyDisplayRemoved(display);
-
- for (size_t index : added_display_indices)
- NotifyDisplayAdded(active_display_list_[index]);
-
- active_display_list_.resize(active_display_list_size);
- is_updating_display_list_ = false;
-
- bool notify_primary_change =
- delegate_ ? old_primary.id() != screen_->GetPrimaryDisplay().id() : false;
-
- for (std::map<size_t, uint32_t>::iterator iter = display_changes.begin();
- iter != display_changes.end(); ++iter) {
- uint32_t metrics = iter->second;
- const display::Display& updated_display = active_display_list_[iter->first];
-
- if (notify_primary_change &&
- updated_display.id() == screen_->GetPrimaryDisplay().id()) {
- metrics |= display::DisplayObserver::DISPLAY_METRIC_PRIMARY;
- notify_primary_change = false;
- }
- NotifyMetricsChanged(updated_display, metrics);
- }
-
- if (notify_primary_change) {
- // This happens when a primary display has moved to anther display without
- // bounds change.
- const display::Display& primary = screen_->GetPrimaryDisplay();
- if (primary.id() != old_primary.id()) {
- uint32_t metrics = display::DisplayObserver::DISPLAY_METRIC_PRIMARY;
- if (primary.size() != old_primary.size()) {
- metrics |= (display::DisplayObserver::DISPLAY_METRIC_BOUNDS |
- display::DisplayObserver::DISPLAY_METRIC_WORK_AREA);
- }
- if (primary.device_scale_factor() != old_primary.device_scale_factor())
- metrics |= display::DisplayObserver::DISPLAY_METRIC_DEVICE_SCALE_FACTOR;
-
- NotifyMetricsChanged(primary, metrics);
- }
- }
-
- if (delegate_)
- delegate_->PostDisplayConfigurationChange();
-
-#if defined(USE_X11) && defined(OS_CHROMEOS)
- if (!display_changes.empty() && base::SysInfo::IsRunningOnChromeOS())
- ui::ClearX11DefaultRootWindow();
-#endif
-
- // Create the mirroring window asynchronously after all displays
- // are added so that it can mirror the display newly added. This can
- // happen when switching from dock mode to software mirror mode.
- CreateMirrorWindowAsyncIfAny();
-}
-
-const display::Display& DisplayManager::GetDisplayAt(size_t index) const {
- DCHECK_LT(index, active_display_list_.size());
- return active_display_list_[index];
-}
-
-const display::Display& DisplayManager::GetPrimaryDisplayCandidate() const {
- if (GetNumDisplays() != 2)
- return active_display_list_[0];
- const display::DisplayLayout& layout =
- layout_store_->GetRegisteredDisplayLayout(GetCurrentDisplayIdList());
- return GetDisplayForId(layout.primary_id);
-}
-
-size_t DisplayManager::GetNumDisplays() const {
- return active_display_list_.size();
-}
-
-bool DisplayManager::IsActiveDisplayId(int64_t display_id) const {
- return std::find_if(active_display_list_.begin(), active_display_list_.end(),
- [display_id](const display::Display& display) {
- return display.id() == display_id;
- }) != active_display_list_.end();
-}
-
-bool DisplayManager::IsInMirrorMode() const {
- return mirroring_display_id_ != display::Display::kInvalidDisplayID;
-}
-
-void DisplayManager::SetUnifiedDesktopEnabled(bool enable) {
- unified_desktop_enabled_ = enable;
- // There is no need to update the displays in mirror mode. Doing
- // this in hardware mirroring mode can cause crash because display
- // info in hardware mirroring comes from DisplayConfigurator.
- if (!IsInMirrorMode())
- ReconfigureDisplays();
-}
-
-bool DisplayManager::IsInUnifiedMode() const {
- return multi_display_mode_ == UNIFIED &&
- !software_mirroring_display_list_.empty();
-}
-
-const display::ManagedDisplayInfo& DisplayManager::GetDisplayInfo(
- int64_t display_id) const {
- DCHECK_NE(display::Display::kInvalidDisplayID, display_id);
-
- std::map<int64_t, display::ManagedDisplayInfo>::const_iterator iter =
- display_info_.find(display_id);
- CHECK(iter != display_info_.end()) << display_id;
- return iter->second;
-}
-
-const display::Display DisplayManager::GetMirroringDisplayById(
- int64_t display_id) const {
- auto iter = std::find_if(software_mirroring_display_list_.begin(),
- software_mirroring_display_list_.end(),
- [display_id](const display::Display& display) {
- return display.id() == display_id;
- });
- return iter == software_mirroring_display_list_.end() ? display::Display()
- : *iter;
-}
-
-std::string DisplayManager::GetDisplayNameForId(int64_t id) {
- if (id == display::Display::kInvalidDisplayID)
- return delegate_->GetInternalDisplayNameString();
-
- std::map<int64_t, display::ManagedDisplayInfo>::const_iterator iter =
- display_info_.find(id);
- if (iter != display_info_.end() && !iter->second.name().empty())
- return iter->second.name();
-
- return base::StringPrintf("Display %d", static_cast<int>(id));
-}
-
-int64_t DisplayManager::GetDisplayIdForUIScaling() const {
- // UI Scaling is effective on internal display.
- return display::Display::HasInternalDisplay()
- ? display::Display::InternalDisplayId()
- : display::Display::kInvalidDisplayID;
-}
-
-void DisplayManager::SetMirrorMode(bool mirror) {
- // TODO(oshima): Enable mirror mode for 2> displays. crbug.com/589319.
- if (num_connected_displays() != 2)
- return;
-
-#if defined(OS_CHROMEOS)
- if (base::SysInfo::IsRunningOnChromeOS()) {
- ui::MultipleDisplayState new_state =
- mirror ? ui::MULTIPLE_DISPLAY_STATE_DUAL_MIRROR
- : ui::MULTIPLE_DISPLAY_STATE_DUAL_EXTENDED;
- delegate_->display_configurator()->SetDisplayMode(new_state);
- return;
- }
-#endif
- multi_display_mode_ =
- mirror ? MIRRORING : current_default_multi_display_mode_;
- ReconfigureDisplays();
-}
-
-void DisplayManager::AddRemoveDisplay() {
- DCHECK(!active_display_list_.empty());
- DisplayInfoList new_display_info_list;
- const display::ManagedDisplayInfo& first_display =
- IsInUnifiedMode()
- ? GetDisplayInfo(software_mirroring_display_list_[0].id())
- : GetDisplayInfo(active_display_list_[0].id());
- new_display_info_list.push_back(first_display);
- // Add if there is only one display connected.
- if (num_connected_displays() == 1) {
- const int kVerticalOffsetPx = 100;
- // Layout the 2nd display below the primary as with the real device.
- gfx::Rect host_bounds = first_display.bounds_in_native();
- new_display_info_list.push_back(
- display::ManagedDisplayInfo::CreateFromSpec(base::StringPrintf(
- "%d+%d-600x%d", host_bounds.x(),
- host_bounds.bottom() + kVerticalOffsetPx, host_bounds.height())));
- }
- num_connected_displays_ = new_display_info_list.size();
- mirroring_display_id_ = display::Display::kInvalidDisplayID;
- software_mirroring_display_list_.clear();
- UpdateDisplaysWith(new_display_info_list);
-}
-
-void DisplayManager::ToggleDisplayScaleFactor() {
- DCHECK(!active_display_list_.empty());
- DisplayInfoList new_display_info_list;
- for (display::Displays::const_iterator iter = active_display_list_.begin();
- iter != active_display_list_.end(); ++iter) {
- display::ManagedDisplayInfo display_info = GetDisplayInfo(iter->id());
- display_info.set_device_scale_factor(
- display_info.device_scale_factor() == 1.0f ? 2.0f : 1.0f);
- new_display_info_list.push_back(display_info);
- }
- AddMirrorDisplayInfoIfAny(&new_display_info_list);
- UpdateDisplaysWith(new_display_info_list);
-}
-
-#if defined(OS_CHROMEOS)
-void DisplayManager::SetSoftwareMirroring(bool enabled) {
- SetMultiDisplayMode(enabled ? MIRRORING
- : current_default_multi_display_mode_);
-}
-
-bool DisplayManager::SoftwareMirroringEnabled() const {
- return software_mirroring_enabled();
-}
-#endif
-
-void DisplayManager::SetDefaultMultiDisplayModeForCurrentDisplays(
- MultiDisplayMode mode) {
- DCHECK_NE(MIRRORING, mode);
- display::DisplayIdList list = GetCurrentDisplayIdList();
- layout_store_->UpdateMultiDisplayState(list, IsInMirrorMode(),
- mode == UNIFIED);
- ReconfigureDisplays();
-}
-
-void DisplayManager::SetMultiDisplayMode(MultiDisplayMode mode) {
- multi_display_mode_ = mode;
- mirroring_display_id_ = display::Display::kInvalidDisplayID;
- software_mirroring_display_list_.clear();
-}
-
-void DisplayManager::ReconfigureDisplays() {
- DisplayInfoList display_info_list;
- for (const display::Display& display : active_display_list_) {
- if (display.id() == kUnifiedDisplayId)
- continue;
- display_info_list.push_back(GetDisplayInfo(display.id()));
- }
- for (const display::Display& display : software_mirroring_display_list_)
- display_info_list.push_back(GetDisplayInfo(display.id()));
- mirroring_display_id_ = display::Display::kInvalidDisplayID;
- software_mirroring_display_list_.clear();
- UpdateDisplaysWith(display_info_list);
-}
-
-bool DisplayManager::UpdateDisplayBounds(int64_t display_id,
- const gfx::Rect& new_bounds) {
- if (change_display_upon_host_resize_) {
- display_info_[display_id].SetBounds(new_bounds);
- // Don't notify observers if the mirrored window has changed.
- if (software_mirroring_enabled() && mirroring_display_id_ == display_id)
- return false;
- display::Display* display = FindDisplayForId(display_id);
- display->SetSize(display_info_[display_id].size_in_pixel());
- NotifyMetricsChanged(*display,
- display::DisplayObserver::DISPLAY_METRIC_BOUNDS);
- return true;
- }
- return false;
-}
-
-void DisplayManager::CreateMirrorWindowAsyncIfAny() {
- // Do not post a task if the software mirroring doesn't exist, or
- // during initialization when compositor's init task isn't posted yet.
- // ash::Shell::Init() will call this after the compositor is initialized.
- if (software_mirroring_display_list_.empty() || !delegate_)
- return;
- base::ThreadTaskRunnerHandle::Get()->PostTask(
- FROM_HERE, base::Bind(&DisplayManager::CreateMirrorWindowIfAny,
- weak_ptr_factory_.GetWeakPtr()));
-}
-
-void DisplayManager::UpdateInternalManagedDisplayModeListForTest() {
- if (!display::Display::HasInternalDisplay() ||
- display_info_.count(display::Display::InternalDisplayId()) == 0)
- return;
- display::ManagedDisplayInfo* info =
- &display_info_[display::Display::InternalDisplayId()];
- SetInternalManagedDisplayModeList(info);
-}
-
-bool DisplayManager::ZoomInternalDisplay(bool up) {
- int64_t display_id =
- IsInUnifiedMode() ? kUnifiedDisplayId : GetDisplayIdForUIScaling();
- const display::ManagedDisplayInfo& display_info = GetDisplayInfo(display_id);
-
- scoped_refptr<display::ManagedDisplayMode> mode;
- if (IsInUnifiedMode()) {
- mode = GetDisplayModeForNextResolution(display_info, up);
- } else {
- if (!IsActiveDisplayId(display_info.id()) ||
- !display::Display::IsInternalDisplayId(display_info.id())) {
- return false;
- }
- mode = GetDisplayModeForNextUIScale(display_info, up);
- }
-
- return mode ? SetDisplayMode(display_id, mode) : false;
-}
-
-bool DisplayManager::ResetDisplayToDefaultMode(int64_t id) {
- if (!IsActiveDisplayId(id) || !display::Display::IsInternalDisplayId(id))
- return false;
-
- const display::ManagedDisplayInfo& info = GetDisplayInfo(id);
- scoped_refptr<display::ManagedDisplayMode> mode = GetDefaultDisplayMode(info);
-
- return mode ? SetDisplayMode(id, mode) : false;
-}
-
-void DisplayManager::ResetInternalDisplayZoom() {
- if (IsInUnifiedMode()) {
- const display::ManagedDisplayInfo& display_info =
- GetDisplayInfo(DisplayManager::kUnifiedDisplayId);
- const display::ManagedDisplayInfo::ManagedDisplayModeList& modes =
- display_info.display_modes();
- auto iter = std::find_if(
- modes.begin(), modes.end(),
- [](const scoped_refptr<display::ManagedDisplayMode>& mode) {
- return mode->native();
- });
- SetDisplayMode(kUnifiedDisplayId, *iter);
- } else {
- ResetDisplayToDefaultMode(GetDisplayIdForUIScaling());
- }
-}
-
-void DisplayManager::CreateSoftwareMirroringDisplayInfo(
- DisplayInfoList* display_info_list) {
- // Use the internal display or 1st as the mirror source, then scale
- // the root window so that it matches the external display's
- // resolution. This is necessary in order for scaling to work while
- // mirrored.
- switch (multi_display_mode_) {
- case MIRRORING: {
- if (display_info_list->size() != 2)
- return;
- bool zero_is_source =
- first_display_id_ == (*display_info_list)[0].id() ||
- display::Display::IsInternalDisplayId((*display_info_list)[0].id());
- DCHECK_EQ(MIRRORING, multi_display_mode_);
- mirroring_display_id_ = (*display_info_list)[zero_is_source ? 1 : 0].id();
-
- int64_t display_id = mirroring_display_id_;
- auto iter =
- std::find_if(display_info_list->begin(), display_info_list->end(),
- [display_id](const display::ManagedDisplayInfo& info) {
- return info.id() == display_id;
- });
- DCHECK(iter != display_info_list->end());
-
- display::ManagedDisplayInfo info = *iter;
- info.SetOverscanInsets(gfx::Insets());
- InsertAndUpdateDisplayInfo(info);
- software_mirroring_display_list_.push_back(
- CreateMirroringDisplayFromDisplayInfoById(mirroring_display_id_,
- gfx::Point(), 1.0f));
- display_info_list->erase(iter);
- break;
- }
- case UNIFIED: {
- if (display_info_list->size() == 1)
- return;
- // TODO(oshima): Currently, all displays are laid out horizontally,
- // from left to right. Allow more flexible layouts, such as
- // right to left, or vertical layouts.
- gfx::Rect unified_bounds;
- software_mirroring_display_list_.clear();
- // 1st Pass. Find the max size.
- int max_height = std::numeric_limits<int>::min();
-
- int default_height = 0;
- float default_device_scale_factor = 1.0f;
- for (auto& info : *display_info_list) {
- max_height = std::max(max_height, info.size_in_pixel().height());
- if (!default_height ||
- display::Display::IsInternalDisplayId(info.id())) {
- default_height = info.size_in_pixel().height();
- default_device_scale_factor = info.device_scale_factor();
- }
- }
-
- display::ManagedDisplayInfo::ManagedDisplayModeList display_mode_list;
- std::set<std::pair<float, float>> dsf_scale_list;
-
- // 2nd Pass. Compute the unified display size.
- for (auto& info : *display_info_list) {
- InsertAndUpdateDisplayInfo(info);
- gfx::Point origin(unified_bounds.right(), 0);
- float scale =
- info.size_in_pixel().height() / static_cast<float>(max_height);
- // The display is scaled to fit the unified desktop size.
- display::Display display = CreateMirroringDisplayFromDisplayInfoById(
- info.id(), origin, 1.0f / scale);
- unified_bounds.Union(display.bounds());
-
- dsf_scale_list.insert(
- std::make_pair(info.device_scale_factor(), scale));
- }
-
- display::ManagedDisplayInfo info(kUnifiedDisplayId, "Unified Desktop",
- false);
-
- scoped_refptr<display::ManagedDisplayMode> native_mode(
- new display::ManagedDisplayMode(unified_bounds.size(), 60.0f, false,
- true, 1.0, 1.0));
- display::ManagedDisplayInfo::ManagedDisplayModeList modes =
- CreateUnifiedManagedDisplayModeList(native_mode, dsf_scale_list);
-
- // Find the default mode.
- auto iter = std::find_if(
- modes.begin(), modes.end(),
- [default_height, default_device_scale_factor](
- const scoped_refptr<display::ManagedDisplayMode>& mode) {
- return mode->size().height() == default_height &&
- mode->device_scale_factor() == default_device_scale_factor;
- });
-
- scoped_refptr<display::ManagedDisplayMode> dm(*iter);
- *iter = make_scoped_refptr(new display::ManagedDisplayMode(
- dm->size(), dm->refresh_rate(), dm->is_interlaced(),
- true /* native */, dm->ui_scale(), dm->device_scale_factor()));
-
- info.SetManagedDisplayModes(modes);
- info.set_device_scale_factor(dm->device_scale_factor());
- info.SetBounds(gfx::Rect(dm->size()));
-
- // Forget the configured resolution if the original unified
- // desktop resolution has changed.
- if (display_info_.count(kUnifiedDisplayId) != 0 &&
- GetMaxNativeSize(display_info_[kUnifiedDisplayId]) !=
- unified_bounds.size()) {
- display_modes_.erase(kUnifiedDisplayId);
- }
-
- // 3rd Pass. Set the selected mode, then recompute the mirroring
- // display size.
- scoped_refptr<display::ManagedDisplayMode> mode =
- GetSelectedModeForDisplayId(kUnifiedDisplayId);
- if (mode && FindDisplayMode(info, mode) != info.display_modes().end()) {
- info.set_device_scale_factor(mode->device_scale_factor());
- info.SetBounds(gfx::Rect(mode->size()));
- } else {
- display_modes_.erase(kUnifiedDisplayId);
- }
-
- int unified_display_height = info.size_in_pixel().height();
- gfx::Point origin;
- for (auto& info : *display_info_list) {
- float display_scale = info.size_in_pixel().height() /
- static_cast<float>(unified_display_height);
- display::Display display = CreateMirroringDisplayFromDisplayInfoById(
- info.id(), origin, 1.0f / display_scale);
- origin.Offset(display.size().width(), 0);
- display.UpdateWorkAreaFromInsets(gfx::Insets());
- software_mirroring_display_list_.push_back(display);
- }
-
- display_info_list->clear();
- display_info_list->push_back(info);
- InsertAndUpdateDisplayInfo(info);
- break;
- }
- case EXTENDED:
- break;
- }
-}
-
-display::Display* DisplayManager::FindDisplayForId(int64_t id) {
- auto iter = std::find_if(
- active_display_list_.begin(), active_display_list_.end(),
- [id](const display::Display& display) { return display.id() == id; });
- if (iter != active_display_list_.end())
- return &(*iter);
- // TODO(oshima): This happens when windows in unified desktop have
- // been moved to a normal window. Fix this.
- if (id != kUnifiedDisplayId)
- DLOG(WARNING) << "Could not find display:" << id;
- return nullptr;
-}
-
-void DisplayManager::AddMirrorDisplayInfoIfAny(
- DisplayInfoList* display_info_list) {
- if (software_mirroring_enabled() && IsInMirrorMode()) {
- display_info_list->push_back(GetDisplayInfo(mirroring_display_id_));
- software_mirroring_display_list_.clear();
- }
-}
-
-void DisplayManager::InsertAndUpdateDisplayInfo(
- const display::ManagedDisplayInfo& new_info) {
- std::map<int64_t, display::ManagedDisplayInfo>::iterator info =
- display_info_.find(new_info.id());
- if (info != display_info_.end()) {
- info->second.Copy(new_info);
- } else {
- display_info_[new_info.id()] = new_info;
- display_info_[new_info.id()].set_native(false);
- // FHD with 1.25 DSF behaves differently from other configuration.
- // It uses 1.25 DSF only when UI-Scale is set to 0.8.
- // For new users, use the UI-scale to 0.8 so that it will use DSF=1.25
- // internally.
- if (display::Display::IsInternalDisplayId(new_info.id()) &&
- new_info.bounds_in_native().height() == 1080 &&
- new_info.device_scale_factor() == 1.25f) {
- display_info_[new_info.id()].set_configured_ui_scale(0.8f);
- }
- }
- display_info_[new_info.id()].UpdateDisplaySize();
- OnDisplayInfoUpdated(display_info_[new_info.id()]);
-}
-
-void DisplayManager::OnDisplayInfoUpdated(
- const display::ManagedDisplayInfo& display_info) {
-#if defined(OS_CHROMEOS)
- ui::ColorCalibrationProfile color_profile = display_info.color_profile();
- if (color_profile != ui::COLOR_PROFILE_STANDARD) {
- delegate_->display_configurator()->SetColorCalibrationProfile(
- display_info.id(), color_profile);
- }
-#endif
-}
-
-display::Display DisplayManager::CreateDisplayFromDisplayInfoById(int64_t id) {
- DCHECK(display_info_.find(id) != display_info_.end()) << "id=" << id;
- const display::ManagedDisplayInfo& display_info = display_info_[id];
-
- display::Display new_display(display_info.id());
- gfx::Rect bounds_in_native(display_info.size_in_pixel());
- float device_scale_factor = display_info.GetEffectiveDeviceScaleFactor();
-
- // Simply set the origin to (0,0). The primary display's origin is
- // always (0,0) and the bounds of non-primary display(s) will be updated
- // in |UpdateNonPrimaryDisplayBoundsForLayout| called in |UpdateDisplay|.
- new_display.SetScaleAndBounds(device_scale_factor,
- gfx::Rect(bounds_in_native.size()));
- new_display.set_rotation(display_info.GetActiveRotation());
- new_display.set_touch_support(display_info.touch_support());
- new_display.set_maximum_cursor_size(display_info.maximum_cursor_size());
- return new_display;
-}
-
-display::Display DisplayManager::CreateMirroringDisplayFromDisplayInfoById(
- int64_t id,
- const gfx::Point& origin,
- float scale) {
- DCHECK(display_info_.find(id) != display_info_.end()) << "id=" << id;
- const display::ManagedDisplayInfo& display_info = display_info_[id];
-
- display::Display new_display(display_info.id());
- new_display.SetScaleAndBounds(
- 1.0f, gfx::Rect(origin, gfx::ScaleToFlooredSize(
- display_info.size_in_pixel(), scale)));
- new_display.set_touch_support(display_info.touch_support());
- new_display.set_maximum_cursor_size(display_info.maximum_cursor_size());
- return new_display;
-}
-
-void DisplayManager::UpdateNonPrimaryDisplayBoundsForLayout(
- display::Displays* display_list,
- std::vector<size_t>* updated_indices) {
- if (display_list->size() == 1u)
- return;
-
- const display::DisplayLayout& layout =
- layout_store_->GetRegisteredDisplayLayout(
- display::CreateDisplayIdList(*display_list));
-
- // Ignore if a user has a old format (should be extremely rare)
- // and this will be replaced with DCHECK.
- if (layout.primary_id == display::Display::kInvalidDisplayID)
- return;
-
- // display_list does not have translation set, so ApplyDisplayLayout cannot
- // provide accurate change information. We'll find the changes after the call.
- ApplyDisplayLayout(layout, display_list, nullptr);
- size_t num_displays = display_list->size();
- for (size_t index = 0; index < num_displays; ++index) {
- const display::Display& display = (*display_list)[index];
- int64_t id = display.id();
- const display::Display* active_display = FindDisplayForId(id);
- if (!active_display || (active_display->bounds() != display.bounds()))
- updated_indices->push_back(index);
- }
-}
-
-void DisplayManager::CreateMirrorWindowIfAny() {
- if (software_mirroring_display_list_.empty() || !delegate_)
- return;
- DisplayInfoList list;
- for (auto& display : software_mirroring_display_list_)
- list.push_back(GetDisplayInfo(display.id()));
- delegate_->CreateOrUpdateMirroringDisplay(list);
-}
-
-void DisplayManager::ApplyDisplayLayout(const display::DisplayLayout& layout,
- display::Displays* display_list,
- std::vector<int64_t>* updated_ids) {
- layout.ApplyToDisplayList(display_list, updated_ids,
- kMinimumOverlapForInvalidOffset);
-}
-
-void DisplayManager::RunPendingTasksForTest() {
- if (!software_mirroring_display_list_.empty())
- base::RunLoop().RunUntilIdle();
-}
-
-void DisplayManager::NotifyMetricsChanged(const display::Display& display,
- uint32_t metrics) {
- for (auto& observer : observers_)
- observer.OnDisplayMetricsChanged(display, metrics);
-}
-
-void DisplayManager::NotifyDisplayAdded(const display::Display& display) {
- for (auto& observer : observers_)
- observer.OnDisplayAdded(display);
-}
-
-void DisplayManager::NotifyDisplayRemoved(const display::Display& display) {
- for (auto& observer : observers_)
- observer.OnDisplayRemoved(display);
-}
-
-void DisplayManager::AddObserver(display::DisplayObserver* observer) {
- observers_.AddObserver(observer);
-}
-
-void DisplayManager::RemoveObserver(display::DisplayObserver* observer) {
- observers_.RemoveObserver(observer);
-}
-
-const display::Display& DisplayManager::GetSecondaryDisplay() const {
- CHECK_LE(2U, GetNumDisplays());
- return GetDisplayAt(0).id() ==
- display::Screen::GetScreen()->GetPrimaryDisplay().id()
- ? GetDisplayAt(1)
- : GetDisplayAt(0);
-}
-
-} // namespace ash
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