| // 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 <cmath> |
| #include <set> |
| #include <string> |
| #include <vector> |
| |
| #include "ash/ash_switches.h" |
| #include "ash/display/display_layout_store.h" |
| #include "ash/screen_ash.h" |
| #include "ash/shell.h" |
| #include "base/auto_reset.h" |
| #include "base/command_line.h" |
| #include "base/logging.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 "grit/ash_strings.h" |
| #include "ui/base/l10n/l10n_util.h" |
| #include "ui/gfx/display.h" |
| #include "ui/gfx/rect.h" |
| #include "ui/gfx/screen.h" |
| #include "ui/gfx/size_conversions.h" |
| |
| #if defined(USE_X11) |
| #include "ui/base/x/x11_util.h" |
| #endif |
| |
| #if defined(OS_CHROMEOS) |
| #include "ash/display/output_configurator_animation.h" |
| #include "base/sys_info.h" |
| #include "chromeos/display/output_configurator.h" |
| #endif |
| |
| #if defined(OS_WIN) |
| #include "base/win/windows_version.h" |
| #endif |
| |
| namespace ash { |
| namespace internal { |
| typedef std::vector<gfx::Display> DisplayList; |
| typedef std::vector<DisplayInfo> DisplayInfoList; |
| |
| 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; |
| |
| // List of value UI Scale values. Scales for 2x are equivalent to 640, |
| // 800, 1024, 1280, 1440, 1600 and 1920 pixel width respectively on |
| // 2560 pixel width 2x density display. Please see crbug.com/233375 |
| // for the full list of resolutions. |
| const float kUIScalesFor2x[] = {0.5f, 0.625f, 0.8f, 1.0f, 1.125f, 1.25f, 1.5f}; |
| const float kUIScalesFor1280[] = {0.5f, 0.625f, 0.8f, 1.0f, 1.125f }; |
| const float kUIScalesFor1366[] = {0.5f, 0.6f, 0.75f, 1.0f, 1.125f }; |
| |
| struct DisplaySortFunctor { |
| bool operator()(const gfx::Display& a, const gfx::Display& b) { |
| return a.id() < b.id(); |
| } |
| }; |
| |
| struct DisplayInfoSortFunctor { |
| bool operator()(const DisplayInfo& a, const DisplayInfo& b) { |
| return a.id() < b.id(); |
| } |
| }; |
| |
| struct ResolutionMatcher { |
| ResolutionMatcher(const gfx::Size& size) : size(size) {} |
| bool operator()(const Resolution& resolution) { |
| return resolution.size == size; |
| } |
| gfx::Size size; |
| }; |
| |
| struct ScaleComparator { |
| ScaleComparator(float s) : scale(s) {} |
| |
| bool operator()(float s) const { |
| const float kEpsilon = 0.0001f; |
| return std::abs(scale - s) < kEpsilon; |
| } |
| float scale; |
| }; |
| |
| gfx::Display& GetInvalidDisplay() { |
| static gfx::Display* invalid_display = new gfx::Display(); |
| return *invalid_display; |
| } |
| |
| void MaybeInitInternalDisplay(int64 id) { |
| CommandLine* command_line = CommandLine::ForCurrentProcess(); |
| if (command_line->HasSwitch(switches::kAshUseFirstDisplayAsInternal)) |
| gfx::Display::SetInternalDisplayId(id); |
| } |
| |
| // Scoped objects used to either create or close the non desktop window |
| // at specific timing. |
| class NonDesktopDisplayUpdater { |
| public: |
| NonDesktopDisplayUpdater(DisplayManager* manager, |
| DisplayManager::Delegate* delegate) |
| : manager_(manager), |
| delegate_(delegate), |
| enabled_(manager_->second_display_mode() != DisplayManager::EXTENDED && |
| manager_->non_desktop_display().is_valid()) { |
| } |
| |
| ~NonDesktopDisplayUpdater() { |
| if (!delegate_) |
| return; |
| |
| if (enabled_) { |
| DisplayInfo display_info = manager_->GetDisplayInfo( |
| manager_->non_desktop_display().id()); |
| delegate_->CreateOrUpdateNonDesktopDisplay(display_info); |
| } else { |
| delegate_->CloseNonDesktopDisplay(); |
| } |
| } |
| |
| bool enabled() const { return enabled_; } |
| |
| private: |
| DisplayManager* manager_; |
| DisplayManager::Delegate* delegate_; |
| bool enabled_; |
| DISALLOW_COPY_AND_ASSIGN(NonDesktopDisplayUpdater); |
| }; |
| |
| } // namespace |
| |
| using std::string; |
| using std::vector; |
| |
| DisplayManager::DisplayManager() |
| : delegate_(NULL), |
| layout_store_(new DisplayLayoutStore), |
| first_display_id_(gfx::Display::kInvalidDisplayID), |
| num_connected_displays_(0), |
| force_bounds_changed_(false), |
| change_display_upon_host_resize_(false), |
| second_display_mode_(EXTENDED), |
| mirrored_display_id_(gfx::Display::kInvalidDisplayID) { |
| #if defined(OS_CHROMEOS) |
| change_display_upon_host_resize_ = !base::SysInfo::IsRunningOnChromeOS(); |
| #endif |
| } |
| |
| DisplayManager::~DisplayManager() { |
| } |
| |
| // static |
| std::vector<float> DisplayManager::GetScalesForDisplay( |
| const DisplayInfo& info) { |
| std::vector<float> ret; |
| if (info.device_scale_factor() == 2.0f) { |
| ret.assign(kUIScalesFor2x, kUIScalesFor2x + arraysize(kUIScalesFor2x)); |
| return ret; |
| } |
| switch (info.bounds_in_native().width()) { |
| case 1280: |
| ret.assign(kUIScalesFor1280, |
| kUIScalesFor1280 + arraysize(kUIScalesFor1280)); |
| break; |
| case 1366: |
| ret.assign(kUIScalesFor1366, |
| kUIScalesFor1366 + arraysize(kUIScalesFor1366)); |
| break; |
| default: |
| ret.assign(kUIScalesFor1280, |
| kUIScalesFor1280 + arraysize(kUIScalesFor1280)); |
| #if defined(OS_CHROMEOS) |
| if (base::SysInfo::IsRunningOnChromeOS()) |
| NOTREACHED() << "Unknown resolution:" << info.ToString(); |
| #endif |
| } |
| return ret; |
| } |
| |
| // static |
| float DisplayManager::GetNextUIScale(const DisplayInfo& info, bool up) { |
| float scale = info.ui_scale(); |
| std::vector<float> scales = GetScalesForDisplay(info); |
| for (size_t i = 0; i < scales.size(); ++i) { |
| if (ScaleComparator(scales[i])(scale)) { |
| if (up && i != scales.size() - 1) |
| return scales[i + 1]; |
| if (!up && i != 0) |
| return scales[i - 1]; |
| return scales[i]; |
| } |
| } |
| // Fallback to 1.0f if the |scale| wasn't in the list. |
| return 1.0f; |
| } |
| |
| bool DisplayManager::InitFromCommandLine() { |
| DisplayInfoList info_list; |
| CommandLine* command_line = CommandLine::ForCurrentProcess(); |
| if (!command_line->HasSwitch(switches::kAshHostWindowBounds)) |
| return false; |
| const string size_str = |
| command_line->GetSwitchValueASCII(switches::kAshHostWindowBounds); |
| vector<string> parts; |
| base::SplitString(size_str, ',', &parts); |
| for (vector<string>::const_iterator iter = parts.begin(); |
| iter != parts.end(); ++iter) { |
| info_list.push_back(DisplayInfo::CreateFromSpec(*iter)); |
| } |
| MaybeInitInternalDisplay(info_list[0].id()); |
| if (info_list.size() > 1 && |
| command_line->HasSwitch(switches::kAshEnableSoftwareMirroring)) { |
| SetSecondDisplayMode(MIRRORING); |
| } |
| OnNativeDisplaysChanged(info_list); |
| return true; |
| } |
| |
| void DisplayManager::InitDefaultDisplay() { |
| DisplayInfoList info_list; |
| info_list.push_back(DisplayInfo::CreateFromSpec(std::string())); |
| MaybeInitInternalDisplay(info_list[0].id()); |
| OnNativeDisplaysChanged(info_list); |
| } |
| |
| // static |
| void DisplayManager::UpdateDisplayBoundsForLayoutById( |
| const DisplayLayout& layout, |
| const gfx::Display& primary_display, |
| int64 secondary_display_id) { |
| DCHECK_NE(gfx::Display::kInvalidDisplayID, secondary_display_id); |
| UpdateDisplayBoundsForLayout( |
| layout, primary_display, |
| Shell::GetInstance()->display_manager()-> |
| FindDisplayForId(secondary_display_id)); |
| } |
| |
| bool DisplayManager::IsActiveDisplay(const gfx::Display& display) const { |
| for (DisplayList::const_iterator iter = displays_.begin(); |
| iter != displays_.end(); ++iter) { |
| if ((*iter).id() == display.id()) |
| return true; |
| } |
| return false; |
| } |
| |
| bool DisplayManager::HasInternalDisplay() const { |
| return gfx::Display::InternalDisplayId() != gfx::Display::kInvalidDisplayID; |
| } |
| |
| bool DisplayManager::IsInternalDisplayId(int64 id) const { |
| return gfx::Display::InternalDisplayId() == id; |
| } |
| |
| DisplayLayout DisplayManager::GetCurrentDisplayLayout() { |
| DCHECK_EQ(2U, num_connected_displays()); |
| // Invert if the primary was swapped. |
| if (num_connected_displays() > 1) { |
| DisplayIdPair pair = GetCurrentDisplayIdPair(); |
| return layout_store_->ComputeDisplayLayoutForDisplayIdPair(pair); |
| } |
| NOTREACHED() << "DisplayLayout is requested for single display"; |
| // On release build, just fallback to default instead of blowing up. |
| DisplayLayout layout = |
| layout_store_->default_display_layout(); |
| layout.primary_id = displays_[0].id(); |
| return layout; |
| } |
| |
| DisplayIdPair DisplayManager::GetCurrentDisplayIdPair() const { |
| if (IsMirrored()) { |
| DCHECK_LE(2u, num_connected_displays()); |
| return std::make_pair(displays_[0].id(), mirrored_display_id_); |
| } else { |
| CHECK_GE(2u, displays_.size()); |
| int64 id_at_zero = displays_[0].id(); |
| if (id_at_zero == gfx::Display::InternalDisplayId() || |
| id_at_zero == first_display_id()) { |
| return std::make_pair(id_at_zero, displays_[1].id()); |
| } else { |
| return std::make_pair(displays_[1].id(), id_at_zero); |
| } |
| } |
| } |
| |
| void DisplayManager::SetLayoutForCurrentDisplays( |
| const DisplayLayout& layout_relative_to_primary) { |
| DCHECK_EQ(2U, GetNumDisplays()); |
| if (GetNumDisplays() < 2) |
| return; |
| const gfx::Display& primary = Shell::GetScreen()->GetPrimaryDisplay(); |
| const DisplayIdPair pair = GetCurrentDisplayIdPair(); |
| // Invert if the primary was swapped. |
| DisplayLayout to_set = pair.first == primary.id() ? |
| layout_relative_to_primary : layout_relative_to_primary.Invert(); |
| |
| DisplayLayout current_layout = |
| layout_store_->GetRegisteredDisplayLayout(pair); |
| if (to_set.position != current_layout.position || |
| to_set.offset != current_layout.offset) { |
| to_set.primary_id = primary.id(); |
| layout_store_->RegisterLayoutForDisplayIdPair( |
| pair.first, pair.second, to_set); |
| if (delegate_) |
| delegate_->PreDisplayConfigurationChange(false); |
| // PreDisplayConfigurationChange(false); |
| // TODO(oshima): Call UpdateDisplays instead. |
| const DisplayLayout layout = GetCurrentDisplayLayout(); |
| UpdateDisplayBoundsForLayoutById( |
| layout, primary, |
| ScreenAsh::GetSecondaryDisplay().id()); |
| |
| //UpdateCurrentDisplayBoundsForLayout(); |
| // Primary's bounds stay the same. Just notify bounds change |
| // on the secondary. |
| Shell::GetInstance()->screen()->NotifyBoundsChanged( |
| ScreenAsh::GetSecondaryDisplay()); |
| if (delegate_) |
| delegate_->PostDisplayConfigurationChange(); |
| } |
| } |
| |
| const gfx::Display& DisplayManager::GetDisplayForId(int64 id) const { |
| gfx::Display* display = |
| const_cast<DisplayManager*>(this)->FindDisplayForId(id); |
| return display ? *display : GetInvalidDisplay(); |
| } |
| |
| const gfx::Display& DisplayManager::FindDisplayContainingPoint( |
| const gfx::Point& point_in_screen) const { |
| for (DisplayList::const_iterator iter = displays_.begin(); |
| iter != displays_.end(); ++iter) { |
| const gfx::Display& display = *iter; |
| if (display.bounds().Contains(point_in_screen)) |
| return display; |
| } |
| return GetInvalidDisplay(); |
| } |
| |
| bool DisplayManager::UpdateWorkAreaOfDisplay(int64 display_id, |
| const gfx::Insets& insets) { |
| gfx::Display* display = FindDisplayForId(display_id); |
| DCHECK(display); |
| gfx::Rect old_work_area = display->work_area(); |
| display->UpdateWorkAreaFromInsets(insets); |
| return old_work_area != display->work_area(); |
| } |
| |
| void DisplayManager::SetOverscanInsets(int64 display_id, |
| const gfx::Insets& insets_in_dip) { |
| display_info_[display_id].SetOverscanInsets(insets_in_dip); |
| DisplayInfoList display_info_list; |
| for (DisplayList::const_iterator iter = displays_.begin(); |
| iter != displays_.end(); ++iter) { |
| display_info_list.push_back(GetDisplayInfo(iter->id())); |
| } |
| AddMirrorDisplayInfoIfAny(&display_info_list); |
| UpdateDisplays(display_info_list); |
| } |
| |
| void DisplayManager::SetDisplayRotation(int64 display_id, |
| gfx::Display::Rotation rotation) { |
| DisplayInfoList display_info_list; |
| for (DisplayList::const_iterator iter = displays_.begin(); |
| iter != displays_.end(); ++iter) { |
| DisplayInfo info = GetDisplayInfo(iter->id()); |
| if (info.id() == display_id) { |
| if (info.rotation() == rotation) |
| return; |
| info.set_rotation(rotation); |
| } |
| display_info_list.push_back(info); |
| } |
| AddMirrorDisplayInfoIfAny(&display_info_list); |
| UpdateDisplays(display_info_list); |
| } |
| |
| void DisplayManager::SetDisplayUIScale(int64 display_id, |
| float ui_scale) { |
| if (!IsDisplayUIScalingEnabled() || |
| gfx::Display::InternalDisplayId() != display_id) { |
| return; |
| } |
| |
| DisplayInfoList display_info_list; |
| for (DisplayList::const_iterator iter = displays_.begin(); |
| iter != displays_.end(); ++iter) { |
| DisplayInfo info = GetDisplayInfo(iter->id()); |
| if (info.id() == display_id) { |
| if (info.ui_scale() == ui_scale) |
| return; |
| std::vector<float> scales = GetScalesForDisplay(info); |
| ScaleComparator comparator(ui_scale); |
| if (std::find_if(scales.begin(), scales.end(), comparator) == |
| scales.end()) { |
| return; |
| } |
| info.set_ui_scale(ui_scale); |
| } |
| display_info_list.push_back(info); |
| } |
| AddMirrorDisplayInfoIfAny(&display_info_list); |
| UpdateDisplays(display_info_list); |
| } |
| |
| void DisplayManager::SetDisplayResolution(int64 display_id, |
| const gfx::Size& resolution) { |
| DCHECK_NE(gfx::Display::InternalDisplayId(), display_id); |
| if (gfx::Display::InternalDisplayId() == display_id) |
| return; |
| const DisplayInfo& display_info = GetDisplayInfo(display_id); |
| const std::vector<Resolution>& resolutions = display_info.resolutions(); |
| DCHECK_NE(0u, resolutions.size()); |
| std::vector<Resolution>::const_iterator iter = |
| std::find_if(resolutions.begin(), |
| resolutions.end(), |
| ResolutionMatcher(resolution)); |
| if (iter == resolutions.end()) { |
| LOG(WARNING) << "Unsupported resolution was requested:" |
| << resolution.ToString(); |
| return; |
| } else if (iter == resolutions.begin()) { |
| // The best resolution was set, so forget it. |
| resolutions_.erase(display_id); |
| } else { |
| resolutions_[display_id] = resolution; |
| } |
| #if defined(OS_CHROMEOS) && defined(USE_X11) |
| if (base::SysInfo::IsRunningOnChromeOS()) |
| Shell::GetInstance()->output_configurator()->ScheduleConfigureOutputs(); |
| #endif |
| } |
| |
| void DisplayManager::RegisterDisplayProperty( |
| int64 display_id, |
| gfx::Display::Rotation rotation, |
| float ui_scale, |
| const gfx::Insets* overscan_insets, |
| const gfx::Size& resolution_in_pixels) { |
| if (display_info_.find(display_id) == display_info_.end()) { |
| display_info_[display_id] = |
| DisplayInfo(display_id, std::string(""), false); |
| } |
| |
| display_info_[display_id].set_rotation(rotation); |
| // Just in case the preference file was corrupted. |
| if (0.5f <= ui_scale && ui_scale <= 2.0f) |
| display_info_[display_id].set_ui_scale(ui_scale); |
| if (overscan_insets) |
| display_info_[display_id].SetOverscanInsets(*overscan_insets); |
| if (!resolution_in_pixels.IsEmpty()) |
| resolutions_[display_id] = resolution_in_pixels; |
| } |
| |
| bool DisplayManager::GetSelectedResolutionForDisplayId( |
| int64 id, |
| gfx::Size* resolution_out) const { |
| std::map<int64, gfx::Size>::const_iterator iter = |
| resolutions_.find(id); |
| if (iter == resolutions_.end()) |
| return false; |
| *resolution_out = iter->second; |
| return true; |
| } |
| |
| bool DisplayManager::IsDisplayUIScalingEnabled() const { |
| return GetDisplayIdForUIScaling() != gfx::Display::kInvalidDisplayID; |
| } |
| |
| gfx::Insets DisplayManager::GetOverscanInsets(int64 display_id) const { |
| std::map<int64, DisplayInfo>::const_iterator it = |
| display_info_.find(display_id); |
| return (it != display_info_.end()) ? |
| it->second.overscan_insets_in_dip() : gfx::Insets(); |
| } |
| |
| void DisplayManager::OnNativeDisplaysChanged( |
| const std::vector<DisplayInfo>& updated_displays) { |
| if (updated_displays.empty()) { |
| VLOG(1) << "OnNativeDisplayChanged(0): # of current displays=" |
| << displays_.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 (displays_.empty()) { |
| std::vector<DisplayInfo> init_displays; |
| init_displays.push_back(DisplayInfo::CreateFromSpec(std::string())); |
| MaybeInitInternalDisplay(init_displays[0].id()); |
| 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(); |
| mirrored_display_id_ = gfx::Display::kInvalidDisplayID; |
| non_desktop_display_ = gfx::Display(); |
| 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 = 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); |
| mirrored_display_id_ = iter->id(); |
| } else { |
| origins.insert(origin); |
| new_display_info_list.push_back(*iter); |
| } |
| } |
| if (HasInternalDisplay() && |
| !internal_display_connected && |
| display_info_.find(gfx::Display::InternalDisplayId()) == |
| display_info_.end()) { |
| DisplayInfo internal_display_info( |
| gfx::Display::InternalDisplayId(), |
| l10n_util::GetStringUTF8(IDS_ASH_INTERNAL_DISPLAY_NAME), |
| false /*Internal display must not have overscan */); |
| internal_display_info.SetBounds(gfx::Rect(0, 0, 800, 600)); |
| display_info_[gfx::Display::InternalDisplayId()] = internal_display_info; |
| } |
| UpdateDisplays(new_display_info_list); |
| } |
| |
| void DisplayManager::UpdateDisplays() { |
| DisplayInfoList display_info_list; |
| for (DisplayList::const_iterator iter = displays_.begin(); |
| iter != displays_.end(); ++iter) { |
| display_info_list.push_back(GetDisplayInfo(iter->id())); |
| } |
| AddMirrorDisplayInfoIfAny(&display_info_list); |
| UpdateDisplays(display_info_list); |
| } |
| |
| void DisplayManager::UpdateDisplays( |
| const std::vector<DisplayInfo>& updated_display_info_list) { |
| #if defined(OS_WIN) |
| if (base::win::GetVersion() >= base::win::VERSION_WIN8) { |
| DCHECK_EQ(1u, updated_display_info_list.size()) << |
| "Multiple display test does not work on Win8 bots. Please " |
| "skip (don't disable) the test using SupportsMultipleDisplays()"; |
| } |
| #endif |
| |
| DisplayInfoList new_display_info_list = updated_display_info_list; |
| std::sort(displays_.begin(), displays_.end(), DisplaySortFunctor()); |
| std::sort(new_display_info_list.begin(), |
| new_display_info_list.end(), |
| DisplayInfoSortFunctor()); |
| DisplayList removed_displays; |
| std::vector<size_t> changed_display_indices; |
| std::vector<size_t> added_display_indices; |
| |
| DisplayList::iterator curr_iter = displays_.begin(); |
| DisplayInfoList::const_iterator new_info_iter = new_display_info_list.begin(); |
| |
| DisplayList new_displays; |
| |
| // 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. |
| int64 non_desktop_display_id = gfx::Display::kInvalidDisplayID; |
| |
| if (second_display_mode_ != EXTENDED && new_display_info_list.size() == 2) { |
| bool zero_is_source = |
| first_display_id_ == new_display_info_list[0].id() || |
| gfx::Display::InternalDisplayId() == new_display_info_list[0].id(); |
| if (second_display_mode_ == MIRRORING) { |
| mirrored_display_id_ = new_display_info_list[zero_is_source ? 1 : 0].id(); |
| non_desktop_display_id = mirrored_display_id_; |
| } else { |
| // TODO(oshima|bshe): The virtual keyboard is currently assigned to |
| // the 1st display. |
| non_desktop_display_id = |
| new_display_info_list[zero_is_source ? 0 : 1].id(); |
| } |
| } |
| |
| while (curr_iter != displays_.end() || |
| new_info_iter != new_display_info_list.end()) { |
| if (new_info_iter != new_display_info_list.end() && |
| non_desktop_display_id == new_info_iter->id()) { |
| DisplayInfo info = *new_info_iter; |
| info.SetOverscanInsets(gfx::Insets()); |
| InsertAndUpdateDisplayInfo(info); |
| non_desktop_display_ = |
| CreateDisplayFromDisplayInfoById(non_desktop_display_id); |
| ++new_info_iter; |
| // Remove existing external dispaly if it is going to be used as |
| // non desktop. |
| if (curr_iter != displays_.end() && |
| curr_iter->id() == non_desktop_display_id) { |
| removed_displays.push_back(*curr_iter); |
| ++curr_iter; |
| } |
| continue; |
| } |
| |
| if (curr_iter == displays_.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 gfx::Display& current_display = *curr_iter; |
| // Copy the info because |CreateDisplayFromInfo| updates the instance. |
| const DisplayInfo current_display_info = |
| GetDisplayInfo(current_display.id()); |
| InsertAndUpdateDisplayInfo(*new_info_iter); |
| gfx::Display new_display = |
| CreateDisplayFromDisplayInfoById(new_info_iter->id()); |
| const DisplayInfo& new_display_info = GetDisplayInfo(new_display.id()); |
| |
| bool host_window_bounds_changed = |
| current_display_info.bounds_in_native() != |
| new_display_info.bounds_in_native(); |
| |
| if (force_bounds_changed_ || |
| host_window_bounds_changed || |
| (current_display.device_scale_factor() != |
| new_display.device_scale_factor()) || |
| (current_display_info.size_in_pixel() != |
| new_display.GetSizeInPixel()) || |
| (current_display.rotation() != new_display.rotation())) { |
| |
| changed_display_indices.push_back(new_displays.size()); |
| } |
| |
| 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; |
| } |
| } |
| |
| scoped_ptr<NonDesktopDisplayUpdater> non_desktop_display_updater( |
| new NonDesktopDisplayUpdater(this, delegate_)); |
| |
| // Do not update |displays_| if there's nothing to be updated. Without this, |
| // it will not update the display layout, which causes the bug |
| // http://crbug.com/155948. |
| if (changed_display_indices.empty() && added_display_indices.empty() && |
| removed_displays.empty()) { |
| return; |
| } |
| // 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); |
| |
| size_t updated_index; |
| if (UpdateSecondaryDisplayBoundsForLayout(&new_displays, &updated_index) && |
| std::find(added_display_indices.begin(), |
| added_display_indices.end(), |
| updated_index) == added_display_indices.end() && |
| std::find(changed_display_indices.begin(), |
| changed_display_indices.end(), |
| updated_index) == changed_display_indices.end()) { |
| changed_display_indices.push_back(updated_index); |
| } |
| |
| displays_ = new_displays; |
| |
| base::AutoReset<bool> resetter(&change_display_upon_host_resize_, false); |
| |
| // Temporarily add displays to be removed because display object |
| // being removed are accessed during shutting down the root. |
| displays_.insert(displays_.end(), removed_displays.begin(), |
| removed_displays.end()); |
| |
| for (DisplayList::const_reverse_iterator iter = removed_displays.rbegin(); |
| iter != removed_displays.rend(); ++iter) { |
| Shell::GetInstance()->screen()->NotifyDisplayRemoved(displays_.back()); |
| displays_.pop_back(); |
| } |
| // Close the non desktop window here to avoid creating two compositor on |
| // one display. |
| if (!non_desktop_display_updater->enabled()) |
| non_desktop_display_updater.reset(); |
| for (std::vector<size_t>::iterator iter = added_display_indices.begin(); |
| iter != added_display_indices.end(); ++iter) { |
| Shell::GetInstance()->screen()->NotifyDisplayAdded(displays_[*iter]); |
| } |
| // Create the non destkop window 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. |
| non_desktop_display_updater.reset(); |
| for (std::vector<size_t>::iterator iter = changed_display_indices.begin(); |
| iter != changed_display_indices.end(); ++iter) { |
| Shell::GetInstance()->screen()->NotifyBoundsChanged(displays_[*iter]); |
| } |
| if (delegate_) |
| delegate_->PostDisplayConfigurationChange(); |
| |
| #if defined(USE_X11) && defined(OS_CHROMEOS) |
| if (!changed_display_indices.empty() && base::SysInfo::IsRunningOnChromeOS()) |
| ui::ClearX11DefaultRootWindow(); |
| #endif |
| } |
| |
| const gfx::Display& DisplayManager::GetDisplayAt(size_t index) const { |
| DCHECK_LT(index, displays_.size()); |
| return displays_[index]; |
| } |
| |
| const gfx::Display& DisplayManager::GetPrimaryDisplayCandidate() const { |
| if (GetNumDisplays() == 1) |
| return displays_[0]; |
| DisplayLayout layout = layout_store_->GetRegisteredDisplayLayout( |
| GetCurrentDisplayIdPair()); |
| return GetDisplayForId(layout.primary_id); |
| } |
| |
| size_t DisplayManager::GetNumDisplays() const { |
| return displays_.size(); |
| } |
| |
| bool DisplayManager::IsMirrored() const { |
| return mirrored_display_id_ != gfx::Display::kInvalidDisplayID; |
| } |
| |
| const DisplayInfo& DisplayManager::GetDisplayInfo(int64 display_id) const { |
| std::map<int64, DisplayInfo>::const_iterator iter = |
| display_info_.find(display_id); |
| CHECK(iter != display_info_.end()) << display_id; |
| return iter->second; |
| } |
| |
| std::string DisplayManager::GetDisplayNameForId(int64 id) { |
| if (id == gfx::Display::kInvalidDisplayID) |
| return l10n_util::GetStringUTF8(IDS_ASH_STATUS_TRAY_UNKNOWN_DISPLAY_NAME); |
| |
| std::map<int64, DisplayInfo>::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 DisplayManager::GetDisplayIdForUIScaling() const { |
| // UI Scaling is effective only on internal display. |
| int64 display_id = gfx::Display::InternalDisplayId(); |
| #if defined(OS_WIN) |
| display_id = first_display_id(); |
| #endif |
| return display_id; |
| } |
| |
| void DisplayManager::SetMirrorMode(bool mirrored) { |
| if (num_connected_displays() <= 1) |
| return; |
| |
| #if defined(OS_CHROMEOS) |
| if (base::SysInfo::IsRunningOnChromeOS()) { |
| chromeos::OutputState new_state = mirrored ? |
| chromeos::STATE_DUAL_MIRROR : chromeos::STATE_DUAL_EXTENDED; |
| Shell::GetInstance()->output_configurator()->SetDisplayMode(new_state); |
| return; |
| } |
| #endif |
| // This is fallback path to emulate mirroroing on desktop. |
| SetSecondDisplayMode(mirrored ? MIRRORING : EXTENDED); |
| DisplayInfoList display_info_list; |
| int count = 0; |
| for (std::map<int64, DisplayInfo>::const_iterator iter = |
| display_info_.begin(); |
| count < 2; ++iter, ++count) { |
| display_info_list.push_back(GetDisplayInfo(iter->second.id())); |
| } |
| UpdateDisplays(display_info_list); |
| #if defined(OS_CHROMEOS) |
| if (Shell::GetInstance()->output_configurator_animation()) { |
| Shell::GetInstance()->output_configurator_animation()-> |
| StartFadeInAnimation(); |
| } |
| #endif |
| } |
| |
| void DisplayManager::AddRemoveDisplay() { |
| DCHECK(!displays_.empty()); |
| std::vector<DisplayInfo> new_display_info_list; |
| const DisplayInfo& first_display = GetDisplayInfo(displays_[0].id()); |
| new_display_info_list.push_back(first_display); |
| // Add if there is only one display connected. |
| if (num_connected_displays() == 1) { |
| // 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(DisplayInfo::CreateFromSpec( |
| base::StringPrintf( |
| "%d+%d-500x400", host_bounds.x(), host_bounds.bottom()))); |
| } |
| num_connected_displays_ = new_display_info_list.size(); |
| mirrored_display_id_ = gfx::Display::kInvalidDisplayID; |
| non_desktop_display_ = gfx::Display(); |
| UpdateDisplays(new_display_info_list); |
| } |
| |
| void DisplayManager::ToggleDisplayScaleFactor() { |
| DCHECK(!displays_.empty()); |
| std::vector<DisplayInfo> new_display_info_list; |
| for (DisplayList::const_iterator iter = displays_.begin(); |
| iter != displays_.end(); ++iter) { |
| DisplayInfo 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); |
| UpdateDisplays(new_display_info_list); |
| } |
| |
| #if defined(OS_CHROMEOS) |
| void DisplayManager::SetSoftwareMirroring(bool enabled) { |
| // TODO(oshima|bshe): Support external display on the system |
| // that has virtual keyboard display. |
| if (second_display_mode_ == VIRTUAL_KEYBOARD) |
| return; |
| SetSecondDisplayMode(enabled ? MIRRORING : EXTENDED); |
| } |
| #endif |
| |
| void DisplayManager::SetSecondDisplayMode(SecondDisplayMode mode) { |
| second_display_mode_ = mode; |
| mirrored_display_id_ = gfx::Display::kInvalidDisplayID; |
| non_desktop_display_ = gfx::Display(); |
| } |
| |
| bool DisplayManager::UpdateDisplayBounds(int64 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() && mirrored_display_id_ == display_id) |
| return false; |
| gfx::Display* display = FindDisplayForId(display_id); |
| display->SetSize(display_info_[display_id].size_in_pixel()); |
| Shell::GetInstance()->screen()->NotifyBoundsChanged(*display); |
| return true; |
| } |
| return false; |
| } |
| |
| void DisplayManager::CreateMirrorWindowIfAny() { |
| NonDesktopDisplayUpdater updater(this, delegate_); |
| } |
| |
| gfx::Display* DisplayManager::FindDisplayForId(int64 id) { |
| for (DisplayList::iterator iter = displays_.begin(); |
| iter != displays_.end(); ++iter) { |
| if ((*iter).id() == id) |
| return &(*iter); |
| } |
| DLOG(WARNING) << "Could not find display:" << id; |
| return NULL; |
| } |
| |
| void DisplayManager::AddMirrorDisplayInfoIfAny( |
| std::vector<DisplayInfo>* display_info_list) { |
| if (software_mirroring_enabled() && IsMirrored()) |
| display_info_list->push_back(GetDisplayInfo(mirrored_display_id_)); |
| } |
| |
| void DisplayManager::InsertAndUpdateDisplayInfo(const DisplayInfo& new_info) { |
| std::map<int64, DisplayInfo>::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); |
| } |
| display_info_[new_info.id()].UpdateDisplaySize(); |
| } |
| |
| gfx::Display DisplayManager::CreateDisplayFromDisplayInfoById(int64 id) { |
| DCHECK(display_info_.find(id) != display_info_.end()); |
| const DisplayInfo& display_info = display_info_[id]; |
| |
| gfx::Display new_display(display_info.id()); |
| gfx::Rect bounds_in_native(display_info.size_in_pixel()); |
| |
| // Simply set the origin to (0,0). The primary display's origin is |
| // always (0,0) and the secondary display's bounds will be updated |
| // in |UpdateSecondaryDisplayBoundsForLayout| called in |UpdateDisplay|. |
| new_display.SetScaleAndBounds( |
| display_info.device_scale_factor(), gfx::Rect(bounds_in_native.size())); |
| new_display.set_rotation(display_info.rotation()); |
| new_display.set_touch_support(display_info.touch_support()); |
| return new_display; |
| } |
| |
| bool DisplayManager::UpdateSecondaryDisplayBoundsForLayout( |
| DisplayList* displays, |
| size_t* updated_index) const { |
| if (displays->size() != 2U) |
| return false; |
| |
| int64 id_at_zero = displays->at(0).id(); |
| DisplayIdPair pair = |
| (id_at_zero == first_display_id_ || |
| id_at_zero == gfx::Display::InternalDisplayId()) ? |
| std::make_pair(id_at_zero, displays->at(1).id()) : |
| std::make_pair(displays->at(1).id(), id_at_zero) ; |
| DisplayLayout layout = |
| layout_store_->ComputeDisplayLayoutForDisplayIdPair(pair); |
| |
| // Ignore if a user has a old format (should be extremely rare) |
| // and this will be replaced with DCHECK. |
| if (layout.primary_id != gfx::Display::kInvalidDisplayID) { |
| size_t primary_index, secondary_index; |
| if (displays->at(0).id() == layout.primary_id) { |
| primary_index = 0; |
| secondary_index = 1; |
| } else { |
| primary_index = 1; |
| secondary_index = 0; |
| } |
| // This function may be called before the secondary display is |
| // registered. The bounds is empty in that case and will |
| // return true. |
| gfx::Rect bounds = |
| GetDisplayForId(displays->at(secondary_index).id()).bounds(); |
| UpdateDisplayBoundsForLayout( |
| layout, displays->at(primary_index), &displays->at(secondary_index)); |
| *updated_index = secondary_index; |
| return bounds != displays->at(secondary_index).bounds(); |
| } |
| return false; |
| } |
| |
| // static |
| void DisplayManager::UpdateDisplayBoundsForLayout( |
| const DisplayLayout& layout, |
| const gfx::Display& primary_display, |
| gfx::Display* secondary_display) { |
| DCHECK_EQ("0,0", primary_display.bounds().origin().ToString()); |
| |
| const gfx::Rect& primary_bounds = primary_display.bounds(); |
| const gfx::Rect& secondary_bounds = secondary_display->bounds(); |
| gfx::Point new_secondary_origin = primary_bounds.origin(); |
| |
| DisplayLayout::Position position = layout.position; |
| |
| // Ignore the offset in case the secondary display doesn't share edges with |
| // the primary display. |
| int offset = layout.offset; |
| if (position == DisplayLayout::TOP || position == DisplayLayout::BOTTOM) { |
| offset = std::min( |
| offset, primary_bounds.width() - kMinimumOverlapForInvalidOffset); |
| offset = std::max( |
| offset, -secondary_bounds.width() + kMinimumOverlapForInvalidOffset); |
| } else { |
| offset = std::min( |
| offset, primary_bounds.height() - kMinimumOverlapForInvalidOffset); |
| offset = std::max( |
| offset, -secondary_bounds.height() + kMinimumOverlapForInvalidOffset); |
| } |
| switch (position) { |
| case DisplayLayout::TOP: |
| new_secondary_origin.Offset(offset, -secondary_bounds.height()); |
| break; |
| case DisplayLayout::RIGHT: |
| new_secondary_origin.Offset(primary_bounds.width(), offset); |
| break; |
| case DisplayLayout::BOTTOM: |
| new_secondary_origin.Offset(offset, primary_bounds.height()); |
| break; |
| case DisplayLayout::LEFT: |
| new_secondary_origin.Offset(-secondary_bounds.width(), offset); |
| break; |
| } |
| gfx::Insets insets = secondary_display->GetWorkAreaInsets(); |
| secondary_display->set_bounds( |
| gfx::Rect(new_secondary_origin, secondary_bounds.size())); |
| secondary_display->UpdateWorkAreaFromInsets(insets); |
| } |
| |
| } // namespace internal |
| } // namespace ash |