| // Copyright (c) 2013 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 <stdio.h> |
| #include <string> |
| #include <vector> |
| |
| #include "ash/display/display_info.h" |
| #include "base/logging.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/stringprintf.h" |
| #include "ui/gfx/display.h" |
| #include "ui/gfx/size_conversions.h" |
| #include "ui/gfx/size_f.h" |
| |
| #if defined(OS_WIN) |
| #include "ui/aura/window_tree_host.h" |
| #include "ui/gfx/win/dpi.h" |
| #endif |
| |
| namespace ash { |
| namespace { |
| |
| bool allow_upgrade_to_high_dpi = false; |
| |
| } |
| |
| DisplayMode::DisplayMode() |
| : refresh_rate(0.0f), interlaced(false), native(false) {} |
| |
| DisplayMode::DisplayMode(const gfx::Size& size, |
| float refresh_rate, |
| bool interlaced, |
| bool native) |
| : size(size), |
| refresh_rate(refresh_rate), |
| interlaced(interlaced), |
| native(native) {} |
| |
| // satic |
| DisplayInfo DisplayInfo::CreateFromSpec(const std::string& spec) { |
| return CreateFromSpecWithID(spec, gfx::Display::kInvalidDisplayID); |
| } |
| |
| // static |
| void DisplayInfo::SetAllowUpgradeToHighDPI(bool enable) { |
| allow_upgrade_to_high_dpi = enable; |
| } |
| |
| // static |
| DisplayInfo DisplayInfo::CreateFromSpecWithID(const std::string& spec, |
| int64 id) { |
| // Default bounds for a display. |
| const int kDefaultHostWindowX = 200; |
| const int kDefaultHostWindowY = 200; |
| const int kDefaultHostWindowWidth = 1366; |
| const int kDefaultHostWindowHeight = 768; |
| |
| // Use larger than max int to catch overflow early. |
| static int64 synthesized_display_id = 2200000000LL; |
| |
| #if defined(OS_WIN) |
| gfx::Rect bounds_in_native(aura::WindowTreeHost::GetNativeScreenSize()); |
| #else |
| gfx::Rect bounds_in_native(kDefaultHostWindowX, kDefaultHostWindowY, |
| kDefaultHostWindowWidth, kDefaultHostWindowHeight); |
| #endif |
| std::string main_spec = spec; |
| |
| float ui_scale = 1.0f; |
| std::vector<std::string> parts; |
| if (Tokenize(main_spec, "@", &parts) == 2) { |
| double scale_in_double = 0; |
| if (base::StringToDouble(parts[1], &scale_in_double)) |
| ui_scale = scale_in_double; |
| main_spec = parts[0]; |
| } |
| |
| size_t count = Tokenize(main_spec, "/", &parts); |
| gfx::Display::Rotation rotation(gfx::Display::ROTATE_0); |
| bool has_overscan = false; |
| if (count) { |
| main_spec = parts[0]; |
| if (count >= 2) { |
| std::string options = parts[1]; |
| for (size_t i = 0; i < options.size(); ++i) { |
| char c = options[i]; |
| switch (c) { |
| case 'o': |
| has_overscan = true; |
| break; |
| case 'r': // rotate 90 degrees to 'right'. |
| rotation = gfx::Display::ROTATE_90; |
| break; |
| case 'u': // 180 degrees, 'u'pside-down. |
| rotation = gfx::Display::ROTATE_180; |
| break; |
| case 'l': // rotate 90 degrees to 'left'. |
| rotation = gfx::Display::ROTATE_270; |
| break; |
| } |
| } |
| } |
| } |
| |
| int x = 0, y = 0, width, height; |
| float device_scale_factor = 1.0f; |
| if (sscanf(main_spec.c_str(), "%dx%d*%f", |
| &width, &height, &device_scale_factor) >= 2 || |
| sscanf(main_spec.c_str(), "%d+%d-%dx%d*%f", &x, &y, &width, &height, |
| &device_scale_factor) >= 4) { |
| bounds_in_native.SetRect(x, y, width, height); |
| } else { |
| #if defined(OS_WIN) |
| if (gfx::IsHighDPIEnabled()) { |
| device_scale_factor = gfx::GetDPIScale(); |
| } |
| #endif |
| } |
| |
| std::vector<DisplayMode> display_modes; |
| if (Tokenize(main_spec, "#", &parts) == 2) { |
| size_t native_mode = 0; |
| int largest_area = -1; |
| float highest_refresh_rate = -1.0f; |
| main_spec = parts[0]; |
| std::string resolution_list = parts[1]; |
| count = Tokenize(resolution_list, "|", &parts); |
| for (size_t i = 0; i < count; ++i) { |
| std::string resolution = parts[i]; |
| int width, height; |
| float refresh_rate = 0.0f; |
| if (sscanf(resolution.c_str(), |
| "%dx%d%%%f", |
| &width, |
| &height, |
| &refresh_rate) >= 2) { |
| if (width * height >= largest_area && |
| refresh_rate > highest_refresh_rate) { |
| // Use mode with largest area and highest refresh rate as native. |
| largest_area = width * height; |
| highest_refresh_rate = refresh_rate; |
| native_mode = i; |
| } |
| display_modes.push_back( |
| DisplayMode(gfx::Size(width, height), refresh_rate, false, false)); |
| } |
| } |
| display_modes[native_mode].native = true; |
| } |
| |
| if (id == gfx::Display::kInvalidDisplayID) |
| id = synthesized_display_id++; |
| DisplayInfo display_info( |
| id, base::StringPrintf("Display-%d", static_cast<int>(id)), has_overscan); |
| display_info.set_device_scale_factor(device_scale_factor); |
| display_info.set_rotation(rotation); |
| display_info.set_configured_ui_scale(ui_scale); |
| display_info.SetBounds(bounds_in_native); |
| display_info.set_display_modes(display_modes); |
| |
| // To test the overscan, it creates the default 5% overscan. |
| if (has_overscan) { |
| int width = bounds_in_native.width() / device_scale_factor / 40; |
| int height = bounds_in_native.height() / device_scale_factor / 40; |
| display_info.SetOverscanInsets(gfx::Insets(height, width, height, width)); |
| display_info.UpdateDisplaySize(); |
| } |
| |
| DVLOG(1) << "DisplayInfoFromSpec info=" << display_info.ToString() |
| << ", spec=" << spec; |
| return display_info; |
| } |
| |
| DisplayInfo::DisplayInfo() |
| : id_(gfx::Display::kInvalidDisplayID), |
| has_overscan_(false), |
| rotation_(gfx::Display::ROTATE_0), |
| touch_support_(gfx::Display::TOUCH_SUPPORT_UNKNOWN), |
| touch_device_id_(0), |
| device_scale_factor_(1.0f), |
| overscan_insets_in_dip_(0, 0, 0, 0), |
| configured_ui_scale_(1.0f), |
| native_(false), |
| color_profile_(ui::COLOR_PROFILE_STANDARD) { |
| } |
| |
| DisplayInfo::DisplayInfo(int64 id, |
| const std::string& name, |
| bool has_overscan) |
| : id_(id), |
| name_(name), |
| has_overscan_(has_overscan), |
| rotation_(gfx::Display::ROTATE_0), |
| touch_support_(gfx::Display::TOUCH_SUPPORT_UNKNOWN), |
| touch_device_id_(0), |
| device_scale_factor_(1.0f), |
| overscan_insets_in_dip_(0, 0, 0, 0), |
| configured_ui_scale_(1.0f), |
| native_(false), |
| color_profile_(ui::COLOR_PROFILE_STANDARD) { |
| } |
| |
| DisplayInfo::~DisplayInfo() { |
| } |
| |
| void DisplayInfo::Copy(const DisplayInfo& native_info) { |
| DCHECK(id_ == native_info.id_); |
| name_ = native_info.name_; |
| has_overscan_ = native_info.has_overscan_; |
| |
| DCHECK(!native_info.bounds_in_native_.IsEmpty()); |
| bounds_in_native_ = native_info.bounds_in_native_; |
| size_in_pixel_ = native_info.size_in_pixel_; |
| device_scale_factor_ = native_info.device_scale_factor_; |
| display_modes_ = native_info.display_modes_; |
| touch_support_ = native_info.touch_support_; |
| touch_device_id_ = native_info.touch_device_id_; |
| |
| // Copy overscan_insets_in_dip_ if it's not empty. This is for test |
| // cases which use "/o" annotation which sets the overscan inset |
| // to native, and that overscan has to be propagated. This does not |
| // happen on the real environment. |
| if (!native_info.overscan_insets_in_dip_.empty()) |
| overscan_insets_in_dip_ = native_info.overscan_insets_in_dip_; |
| |
| // Rotation_ and ui_scale_ color_profile_ are given by preference, |
| // or unit tests. Don't copy if this native_info came from |
| // DisplayChangeObserver. |
| if (!native_info.native()) { |
| rotation_ = native_info.rotation_; |
| configured_ui_scale_ = native_info.configured_ui_scale_; |
| color_profile_ = native_info.color_profile(); |
| } |
| |
| available_color_profiles_ = native_info.available_color_profiles(); |
| |
| // Don't copy insets as it may be given by preference. |rotation_| |
| // is treated as a native so that it can be specified in |
| // |CreateFromSpec|. |
| } |
| |
| void DisplayInfo::SetBounds(const gfx::Rect& new_bounds_in_native) { |
| bounds_in_native_ = new_bounds_in_native; |
| size_in_pixel_ = new_bounds_in_native.size(); |
| UpdateDisplaySize(); |
| } |
| |
| float DisplayInfo::GetEffectiveDeviceScaleFactor() const { |
| if (allow_upgrade_to_high_dpi && configured_ui_scale_ < 1.0f && |
| device_scale_factor_ == 1.0f) { |
| return 2.0f; |
| } else if (device_scale_factor_ == 2.0f && configured_ui_scale_ == 2.0f) { |
| return 1.0f; |
| } |
| return device_scale_factor_; |
| } |
| |
| float DisplayInfo::GetEffectiveUIScale() const { |
| if (allow_upgrade_to_high_dpi && configured_ui_scale_ < 1.0f && |
| device_scale_factor_ == 1.0f) { |
| return configured_ui_scale_ * 2.0f; |
| } else if (device_scale_factor_ == 2.0f && configured_ui_scale_ == 2.0f) { |
| return 1.0f; |
| } |
| return configured_ui_scale_; |
| } |
| |
| void DisplayInfo::UpdateDisplaySize() { |
| size_in_pixel_ = bounds_in_native_.size(); |
| if (!overscan_insets_in_dip_.empty()) { |
| gfx::Insets insets_in_pixel = |
| overscan_insets_in_dip_.Scale(device_scale_factor_); |
| size_in_pixel_.Enlarge(-insets_in_pixel.width(), -insets_in_pixel.height()); |
| } else { |
| overscan_insets_in_dip_.Set(0, 0, 0, 0); |
| } |
| |
| if (rotation_ == gfx::Display::ROTATE_90 || |
| rotation_ == gfx::Display::ROTATE_270) |
| size_in_pixel_.SetSize(size_in_pixel_.height(), size_in_pixel_.width()); |
| gfx::SizeF size_f(size_in_pixel_); |
| size_f.Scale(GetEffectiveUIScale()); |
| size_in_pixel_ = gfx::ToFlooredSize(size_f); |
| } |
| |
| void DisplayInfo::SetOverscanInsets(const gfx::Insets& insets_in_dip) { |
| overscan_insets_in_dip_ = insets_in_dip; |
| } |
| |
| gfx::Insets DisplayInfo::GetOverscanInsetsInPixel() const { |
| return overscan_insets_in_dip_.Scale(device_scale_factor_); |
| } |
| |
| std::string DisplayInfo::ToString() const { |
| int rotation_degree = static_cast<int>(rotation_) * 90; |
| return base::StringPrintf( |
| "DisplayInfo[%lld] native bounds=%s, size=%s, scale=%f, " |
| "overscan=%s, rotation=%d, ui-scale=%f, touchscreen=%s, " |
| "touch-device-id=%d", |
| static_cast<long long int>(id_), |
| bounds_in_native_.ToString().c_str(), |
| size_in_pixel_.ToString().c_str(), |
| device_scale_factor_, |
| overscan_insets_in_dip_.ToString().c_str(), |
| rotation_degree, |
| configured_ui_scale_, |
| touch_support_ == gfx::Display::TOUCH_SUPPORT_AVAILABLE |
| ? "yes" |
| : touch_support_ == gfx::Display::TOUCH_SUPPORT_UNAVAILABLE |
| ? "no" |
| : "unknown", |
| touch_device_id_); |
| } |
| |
| std::string DisplayInfo::ToFullString() const { |
| std::string display_modes_str; |
| std::vector<DisplayMode>::const_iterator iter = display_modes_.begin(); |
| for (; iter != display_modes_.end(); ++iter) { |
| if (!display_modes_str.empty()) |
| display_modes_str += ","; |
| base::StringAppendF(&display_modes_str, |
| "(%dx%d@%f%c%s)", |
| iter->size.width(), |
| iter->size.height(), |
| iter->refresh_rate, |
| iter->interlaced ? 'I' : 'P', |
| iter->native ? "(N)" : ""); |
| } |
| return ToString() + ", display_modes==" + display_modes_str; |
| } |
| |
| void DisplayInfo::SetColorProfile(ui::ColorCalibrationProfile profile) { |
| if (IsColorProfileAvailable(profile)) |
| color_profile_ = profile; |
| } |
| |
| bool DisplayInfo::IsColorProfileAvailable( |
| ui::ColorCalibrationProfile profile) const { |
| return std::find(available_color_profiles_.begin(), |
| available_color_profiles_.end(), |
| profile) != available_color_profiles_.end(); |
| } |
| |
| } // namespace ash |