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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "ash/common/display/display_info.h" | 5 #include "ui/display/manager/display_info.h" |
| 6 | 6 |
| 7 #include <stdio.h> | 7 #include <stdio.h> |
| 8 | 8 |
| 9 #include <algorithm> | 9 #include <algorithm> |
| 10 #include <string> | 10 #include <string> |
| 11 #include <vector> | 11 #include <vector> |
| 12 | 12 |
| 13 #include "base/logging.h" | 13 #include "base/logging.h" |
| 14 #include "base/strings/string_number_conversions.h" | 14 #include "base/strings/string_number_conversions.h" |
| 15 #include "base/strings/string_split.h" | 15 #include "base/strings/string_split.h" |
| 16 #include "base/strings/string_util.h" | 16 #include "base/strings/string_util.h" |
| 17 #include "base/strings/stringprintf.h" | 17 #include "base/strings/stringprintf.h" |
| 18 #include "ui/display/display.h" | 18 #include "ui/display/display.h" |
| 19 #include "ui/gfx/geometry/size_conversions.h" | 19 #include "ui/gfx/geometry/size_conversions.h" |
| 20 #include "ui/gfx/geometry/size_f.h" | 20 #include "ui/gfx/geometry/size_f.h" |
| 21 | 21 |
| 22 #if defined(OS_WIN) | 22 #if defined(OS_WIN) |
| 23 #include <windows.h> | 23 #include <windows.h> |
| 24 #include "ui/display/win/dpi.h" | 24 #include "ui/display/win/dpi.h" |
| 25 #endif | 25 #endif |
| 26 | 26 |
| 27 namespace ash { | 27 namespace ui { |
| 28 namespace { | 28 namespace { |
| 29 | 29 |
| 30 // Use larger than max int to catch overflow early. | 30 // Use larger than max int to catch overflow early. |
| 31 const int64_t kSynthesizedDisplayIdStart = 2200000000LL; | 31 const int64_t kSynthesizedDisplayIdStart = 2200000000LL; |
| 32 | 32 |
| 33 int64_t synthesized_display_id = kSynthesizedDisplayIdStart; | 33 int64_t synthesized_display_id = kSynthesizedDisplayIdStart; |
| 34 | 34 |
| 35 const float kDpi96 = 96.0; | 35 const float kDpi96 = 96.0; |
| 36 bool use_125_dsf_for_ui_scaling = true; | 36 bool use_125_dsf_for_ui_scaling = true; |
| 37 | 37 |
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| 54 return false; | 54 return false; |
| 55 } | 55 } |
| 56 | 56 |
| 57 // Display mode list is sorted by: | 57 // Display mode list is sorted by: |
| 58 // * the area in pixels in ascending order | 58 // * the area in pixels in ascending order |
| 59 // * refresh rate in descending order | 59 // * refresh rate in descending order |
| 60 struct ManagedDisplayModeSorter { | 60 struct ManagedDisplayModeSorter { |
| 61 explicit ManagedDisplayModeSorter(bool is_internal) | 61 explicit ManagedDisplayModeSorter(bool is_internal) |
| 62 : is_internal(is_internal) {} | 62 : is_internal(is_internal) {} |
| 63 | 63 |
| 64 bool operator()(const scoped_refptr<ManagedDisplayMode>& a, | 64 bool operator()(const scoped_refptr<ui::ManagedDisplayMode>& a, |
| 65 const scoped_refptr<ManagedDisplayMode>& b) { | 65 const scoped_refptr<ui::ManagedDisplayMode>& b) { |
| 66 gfx::Size size_a_dip = a->GetSizeInDIP(is_internal); | 66 gfx::Size size_a_dip = a->GetSizeInDIP(is_internal); |
| 67 gfx::Size size_b_dip = b->GetSizeInDIP(is_internal); | 67 gfx::Size size_b_dip = b->GetSizeInDIP(is_internal); |
| 68 if (size_a_dip.GetArea() == size_b_dip.GetArea()) | 68 if (size_a_dip.GetArea() == size_b_dip.GetArea()) |
| 69 return (a->refresh_rate() > b->refresh_rate()); | 69 return (a->refresh_rate() > b->refresh_rate()); |
| 70 return (size_a_dip.GetArea() < size_b_dip.GetArea()); | 70 return (size_a_dip.GetArea() < size_b_dip.GetArea()); |
| 71 } | 71 } |
| 72 | 72 |
| 73 bool is_internal; | 73 bool is_internal; |
| 74 }; | 74 }; |
| 75 | 75 |
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| 122 // DSF=1.25 is special on internal display. The screen is drawn with DSF=1.25 | 122 // DSF=1.25 is special on internal display. The screen is drawn with DSF=1.25 |
| 123 // but it doesn't affect the screen size computation. | 123 // but it doesn't affect the screen size computation. |
| 124 if (use_125_dsf_for_ui_scaling && is_internal && | 124 if (use_125_dsf_for_ui_scaling && is_internal && |
| 125 device_scale_factor_ == 1.25f) | 125 device_scale_factor_ == 1.25f) |
| 126 return gfx::ToFlooredSize(size_dip); | 126 return gfx::ToFlooredSize(size_dip); |
| 127 size_dip.Scale(1.0f / device_scale_factor_); | 127 size_dip.Scale(1.0f / device_scale_factor_); |
| 128 return gfx::ToFlooredSize(size_dip); | 128 return gfx::ToFlooredSize(size_dip); |
| 129 } | 129 } |
| 130 | 130 |
| 131 bool ManagedDisplayMode::IsEquivalent( | 131 bool ManagedDisplayMode::IsEquivalent( |
| 132 const scoped_refptr<ManagedDisplayMode>& other) const { | 132 const scoped_refptr<ui::ManagedDisplayMode>& other) const { |
| 133 const float kEpsilon = 0.0001f; | 133 const float kEpsilon = 0.0001f; |
| 134 return size_ == other->size_ && | 134 return size_ == other->size_ && |
| 135 std::abs(ui_scale_ - other->ui_scale_) < kEpsilon && | 135 std::abs(ui_scale_ - other->ui_scale_) < kEpsilon && |
| 136 std::abs(device_scale_factor_ - other->device_scale_factor_) < | 136 std::abs(device_scale_factor_ - other->device_scale_factor_) < |
| 137 kEpsilon; | 137 kEpsilon; |
| 138 } | 138 } |
| 139 | 139 |
| 140 // static | 140 // static |
| 141 DisplayInfo DisplayInfo::CreateFromSpec(const std::string& spec) { | 141 DisplayInfo DisplayInfo::CreateFromSpec(const std::string& spec) { |
| 142 return CreateFromSpecWithID(spec, display::Display::kInvalidDisplayID); | 142 return CreateFromSpecWithID(spec, display::Display::kInvalidDisplayID); |
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| 232 // Use mode with largest area and highest refresh rate as native. | 232 // Use mode with largest area and highest refresh rate as native. |
| 233 largest_area = size.GetArea(); | 233 largest_area = size.GetArea(); |
| 234 highest_refresh_rate = refresh_rate; | 234 highest_refresh_rate = refresh_rate; |
| 235 native_mode = i; | 235 native_mode = i; |
| 236 } | 236 } |
| 237 display_modes.push_back(make_scoped_refptr( | 237 display_modes.push_back(make_scoped_refptr( |
| 238 new ManagedDisplayMode(size, refresh_rate, is_interlaced, false, | 238 new ManagedDisplayMode(size, refresh_rate, is_interlaced, false, |
| 239 1.0, device_scale_factor))); | 239 1.0, device_scale_factor))); |
| 240 } | 240 } |
| 241 } | 241 } |
| 242 scoped_refptr<ManagedDisplayMode> dm = display_modes[native_mode]; | 242 scoped_refptr<ui::ManagedDisplayMode> dm = display_modes[native_mode]; |
| 243 display_modes[native_mode] = new ManagedDisplayMode( | 243 display_modes[native_mode] = new ManagedDisplayMode( |
| 244 dm->size(), dm->refresh_rate(), dm->is_interlaced(), true, | 244 dm->size(), dm->refresh_rate(), dm->is_interlaced(), true, |
| 245 dm->ui_scale(), dm->device_scale_factor()); | 245 dm->ui_scale(), dm->device_scale_factor()); |
| 246 } | 246 } |
| 247 | 247 |
| 248 if (id == display::Display::kInvalidDisplayID) | 248 if (id == display::Display::kInvalidDisplayID) |
| 249 id = synthesized_display_id++; | 249 id = synthesized_display_id++; |
| 250 DisplayInfo display_info( | 250 ui::DisplayInfo display_info( |
| 251 id, base::StringPrintf("Display-%d", static_cast<int>(id)), has_overscan); | 251 id, base::StringPrintf("Display-%d", static_cast<int>(id)), has_overscan); |
| 252 display_info.set_device_scale_factor(device_scale_factor); | 252 display_info.set_device_scale_factor(device_scale_factor); |
| 253 display_info.SetRotation(rotation, display::Display::ROTATION_SOURCE_ACTIVE); | 253 display_info.SetRotation(rotation, display::Display::ROTATION_SOURCE_ACTIVE); |
| 254 display_info.set_configured_ui_scale(ui_scale); | 254 display_info.set_configured_ui_scale(ui_scale); |
| 255 display_info.SetBounds(bounds_in_native); | 255 display_info.SetBounds(bounds_in_native); |
| 256 display_info.SetManagedDisplayModes(display_modes); | 256 display_info.SetManagedDisplayModes(display_modes); |
| 257 | 257 |
| 258 // To test the overscan, it creates the default 5% overscan. | 258 // To test the overscan, it creates the default 5% overscan. |
| 259 if (has_overscan) { | 259 if (has_overscan) { |
| 260 int width = bounds_in_native.width() / device_scale_factor / 40; | 260 int width = bounds_in_native.width() / device_scale_factor / 40; |
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| 489 } | 489 } |
| 490 | 490 |
| 491 void DisplayInfo::ClearInputDevices() { | 491 void DisplayInfo::ClearInputDevices() { |
| 492 input_devices_.clear(); | 492 input_devices_.clear(); |
| 493 } | 493 } |
| 494 | 494 |
| 495 void ResetDisplayIdForTest() { | 495 void ResetDisplayIdForTest() { |
| 496 synthesized_display_id = kSynthesizedDisplayIdStart; | 496 synthesized_display_id = kSynthesizedDisplayIdStart; |
| 497 } | 497 } |
| 498 | 498 |
| 499 } // namespace ash | 499 } // namespace ui |
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