src/ash/touch/touch_transformer_controller_unittest.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ash/touch/touch_transformer_controller.h"
   6
   7 #include "ash/shell.h"
   8 #include "ash/test/ash_test_base.h"
   9 #include "ui/aura/window_tree_host.h"
  10 #include "ui/events/x/device_data_manager.h"
  11 #include "ui/gfx/display.h"
  12
  13 namespace ash {
  14
  15 namespace {
  16 DisplayInfo CreateDisplayInfo(int64 id,
  17                               int touch_device_id,
  18                               const gfx::Rect& bounds) {
  19   DisplayInfo info(id, std::string(), false);
  20   info.SetBounds(bounds);
  21   info.set_touch_device_id(touch_device_id);
  22   return info;
  23 }
  24 }  //  namespace
  25
  26 typedef test::AshTestBase TouchTransformerControllerTest;
  27
  28 TEST_F(TouchTransformerControllerTest, TouchTransformerMirrorModeLetterboxing) {
  29   // The internal display has native resolution of 2560x1700, and in
  30   // mirror mode it is configured as 1920x1200. This is in letterboxing
  31   // mode.
  32   DisplayInfo internal_display_info =
  33       CreateDisplayInfo(1, 10, gfx::Rect(0, 0, 1920, 1200));
  34   std::vector<DisplayMode> internal_modes;
  35   internal_modes.push_back(
  36       DisplayMode(gfx::Size(2560, 1700), 60, false, true));
  37   internal_modes.push_back(
  38       DisplayMode(gfx::Size(1920, 1200), 60, false, false));
  39   internal_display_info.set_display_modes(internal_modes);
  40
  41   DisplayInfo external_display_info =
  42       CreateDisplayInfo(2, 11, gfx::Rect(0, 0, 1920, 1200));
  43
  44   TouchTransformerController* tt_controller =
  45       Shell::GetInstance()->touch_transformer_controller();
  46   ui::DeviceDataManager* device_manager = ui::DeviceDataManager::GetInstance();
  47
  48   tt_controller->force_compute_mirror_mode_touch_transformer_ = true;
  49   device_manager->UpdateTouchInfoForDisplay(
  50       internal_display_info.id(),
  51       internal_display_info.touch_device_id(),
  52       tt_controller->GetMirrorModeTouchTransformer(internal_display_info));
  53
  54   tt_controller->force_compute_mirror_mode_touch_transformer_ = false;
  55   device_manager->UpdateTouchInfoForDisplay(
  56       external_display_info.id(),
  57       external_display_info.touch_device_id(),
  58       tt_controller->GetMirrorModeTouchTransformer(external_display_info));
  59
  60   EXPECT_EQ(1, device_manager->GetDisplayForTouchDevice(10));
  61   EXPECT_EQ(2, device_manager->GetDisplayForTouchDevice(11));
  62
  63   // External touch display has the default TouchTransformer.
  64   float x = 100.0;
  65   float y = 100.0;
  66   device_manager->ApplyTouchTransformer(11, &x, &y);
  67   EXPECT_EQ(100, x);
  68   EXPECT_EQ(100, y);
  69
  70   // In letterboxing, there is (1-2560*(1200/1920)/1700)/2 = 2.95% of the
  71   // height on both the top & bottom region of the screen is blank.
  72   // When touch events coming at Y range [0, 1200), the mapping should be
  73   // [0, ~35] ---> < 0
  74   // [~35, ~1165] ---> [0, 1200)
  75   // [~1165, 1200] ---> >= 1200
  76   x = 100.0;
  77   y = 35.0;
  78   device_manager->ApplyTouchTransformer(10, &x, &y);
  79   EXPECT_EQ(100, static_cast<int>(x));
  80   EXPECT_EQ(0, static_cast<int>(y));
  81
  82   x = 100.0;
  83   y = 1165.0;
  84   device_manager->ApplyTouchTransformer(10, &x, &y);
  85   EXPECT_EQ(100, static_cast<int>(x));
  86   EXPECT_EQ(1200, static_cast<int>(y));
  87 }
  88
  89 TEST_F(TouchTransformerControllerTest, TouchTransformerMirrorModePillarboxing) {
  90   // The internal display has native resolution of 1366x768, and in
  91   // mirror mode it is configured as 1024x768. This is in pillarboxing
  92   // mode.
  93   DisplayInfo internal_display_info =
  94       CreateDisplayInfo(1, 10, gfx::Rect(0, 0, 1024, 768));
  95   std::vector<DisplayMode> internal_modes;
  96   internal_modes.push_back(
  97       DisplayMode(gfx::Size(1366, 768), 60, false, true));
  98   internal_modes.push_back(
  99       DisplayMode(gfx::Size(1024, 768), 60, false, false));
 100   internal_display_info.set_display_modes(internal_modes);
 101
 102   DisplayInfo external_display_info =
 103       CreateDisplayInfo(2, 11, gfx::Rect(0, 0, 1024, 768));
 104
 105   TouchTransformerController* tt_controller =
 106       Shell::GetInstance()->touch_transformer_controller();
 107   ui::DeviceDataManager* device_manager = ui::DeviceDataManager::GetInstance();
 108
 109   tt_controller->force_compute_mirror_mode_touch_transformer_ = true;
 110   device_manager->UpdateTouchInfoForDisplay(
 111       internal_display_info.id(),
 112       internal_display_info.touch_device_id(),
 113       tt_controller->GetMirrorModeTouchTransformer(internal_display_info));
 114
 115   tt_controller->force_compute_mirror_mode_touch_transformer_ = false;
 116   device_manager->UpdateTouchInfoForDisplay(
 117       external_display_info.id(),
 118       external_display_info.touch_device_id(),
 119       tt_controller->GetMirrorModeTouchTransformer(external_display_info));
 120
 121   EXPECT_EQ(1, device_manager->GetDisplayForTouchDevice(10));
 122   EXPECT_EQ(2, device_manager->GetDisplayForTouchDevice(11));
 123
 124   // External touch display has the default TouchTransformer.
 125   float x = 100.0;
 126   float y = 100.0;
 127   device_manager->ApplyTouchTransformer(11, &x, &y);
 128   EXPECT_EQ(100, x);
 129   EXPECT_EQ(100, y);
 130
 131   // In pillarboxing, there is (1-768*(1024/768)/1366)/2 = 12.5% of the
 132   // width on both the left & rigth region of the screen is blank.
 133   // When touch events coming at X range [0, 1024), the mapping should be
 134   // [0, ~128] ---> < 0
 135   // [~128, ~896] ---> [0, 1024)
 136   // [~896, 1024] ---> >= 1024
 137   x = 128.0;
 138   y = 100.0;
 139   device_manager->ApplyTouchTransformer(10, &x, &y);
 140   EXPECT_EQ(0, static_cast<int>(x));
 141   EXPECT_EQ(100, static_cast<int>(y));
 142
 143   x = 896.0;
 144   y = 100.0;
 145   device_manager->ApplyTouchTransformer(10, &x, &y);
 146   EXPECT_EQ(1024, static_cast<int>(x));
 147   EXPECT_EQ(100, static_cast<int>(y));
 148 }
 149
 150 TEST_F(TouchTransformerControllerTest, TouchTransformerExtendedMode) {
 151   // The internal display has size 1366 x 768. The external display has
 152   // size 2560x1600. The total frame buffer is 2560x2428,
 153   // where 2428 = 768 + 60 (hidden gap) + 1600
 154   // and the sceond monitor is translated to Point (0, 828) in the
 155   // framebuffer.
 156   DisplayInfo display1 = CreateDisplayInfo(1, 5, gfx::Rect(0, 0, 1366, 768));
 157   DisplayInfo display2 = CreateDisplayInfo(2, 6, gfx::Rect(0, 828, 2560, 1600));
 158   gfx::Size fb_size(2560, 2428);
 159
 160   TouchTransformerController* tt_controller =
 161       Shell::GetInstance()->touch_transformer_controller();
 162   ui::DeviceDataManager* device_manager = ui::DeviceDataManager::GetInstance();
 163
 164   device_manager->UpdateTouchInfoForDisplay(
 165       display1.id(),
 166       display1.touch_device_id(),
 167       tt_controller->GetExtendedModeTouchTransformer(display1, fb_size));
 168
 169   device_manager->UpdateTouchInfoForDisplay(
 170       display2.id(),
 171       display2.touch_device_id(),
 172       tt_controller->GetExtendedModeTouchTransformer(display2, fb_size));
 173
 174   EXPECT_EQ(1, device_manager->GetDisplayForTouchDevice(5));
 175   EXPECT_EQ(2, device_manager->GetDisplayForTouchDevice(6));
 176
 177   // Mapping for touch events from internal touch display:
 178   // [0, 2560) x [0, 2428) -> [0, 1366) x [0, 768)
 179   float x = 0.0;
 180   float y = 0.0;
 181   device_manager->ApplyTouchTransformer(5, &x, &y);
 182   EXPECT_EQ(0, static_cast<int>(x));
 183   EXPECT_EQ(0, static_cast<int>(y));
 184
 185   x = 2559.0;
 186   y = 2427.0;
 187   device_manager->ApplyTouchTransformer(5, &x, &y);
 188   EXPECT_EQ(1365, static_cast<int>(x));
 189   EXPECT_EQ(767, static_cast<int>(y));
 190
 191   // Mapping for touch events from external touch display:
 192   // [0, 2560) x [0, 2428) -> [0, 2560) x [0, 1600)
 193   x = 0.0;
 194   y = 0.0;
 195   device_manager->ApplyTouchTransformer(6, &x, &y);
 196   EXPECT_EQ(0, static_cast<int>(x));
 197   EXPECT_EQ(0, static_cast<int>(y));
 198
 199   x = 2559.0;
 200   y = 2427.0;
 201   device_manager->ApplyTouchTransformer(6, &x, &y);
 202   EXPECT_EQ(2559, static_cast<int>(x));
 203   EXPECT_EQ(1599, static_cast<int>(y));
 204 }
 205
 206 }  // namespace ash