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Diffstat (limited to 'chromium/ash/display/display_manager.cc')
| -rw-r--r-- | chromium/ash/display/display_manager.cc | 1048 |
1 files changed, 0 insertions, 1048 deletions
diff --git a/chromium/ash/display/display_manager.cc b/chromium/ash/display/display_manager.cc deleted file mode 100644 index 0377484bede..00000000000 --- a/chromium/ash/display/display_manager.cc +++ /dev/null @@ -1,1048 +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 <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, 2.0f}; -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.configured_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()) { - 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, displays_.size()); - } - 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); - if (virtual_keyboard_root_window_enabled() && - display_id == non_desktop_display_.id()) { - DisplayInfo info = GetDisplayInfo(display_id); - info.set_rotation(rotation); - display_info_list.push_back(info); - } - 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.configured_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_configured_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_configured_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()); - float device_scale_factor = display_info.device_scale_factor(); - if (device_scale_factor == 2.0f && display_info.configured_ui_scale() == 2.0f) - device_scale_factor = 1.0f; - - // 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( - 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 |