ash/magnifier/magnification_controller_unittest.cc

   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
   3 // found in the LICENSE file.
   4
   5 #include "ash/magnifier/magnification_controller.h"
   6
   7 #include "ash/magnifier/magnifier_constants.h"
   8 #include "ash/shell.h"
   9 #include "ash/test/ash_test_base.h"
  10 #include "base/strings/stringprintf.h"
  11 #include "ui/aura/client/aura_constants.h"
  12 #include "ui/aura/env.h"
  13 #include "ui/aura/test/event_generator.h"
  14 #include "ui/aura/window_tree_host.h"
  15 #include "ui/gfx/rect_conversions.h"
  16 #include "ui/gfx/screen.h"
  17
  18 namespace ash {
  19 namespace {
  20
  21 const int kRootHeight = 600;
  22 const int kRootWidth = 800;
  23
  24 }  // namespace
  25
  26 class MagnificationControllerTest: public test::AshTestBase {
  27  public:
  28   MagnificationControllerTest() {}
  29   virtual ~MagnificationControllerTest() {}
  30
  31   virtual void SetUp() OVERRIDE {
  32     AshTestBase::SetUp();
  33     UpdateDisplay(base::StringPrintf("%dx%d", kRootWidth, kRootHeight));
  34
  35     aura::Window* root = GetRootWindow();
  36     gfx::Rect root_bounds(root->bounds());
  37
  38 #if defined(OS_WIN)
  39     // RootWindow and Display can't resize on Windows Ash.
  40     // http://crbug.com/165962
  41     EXPECT_EQ(kRootHeight, root_bounds.height());
  42     EXPECT_EQ(kRootWidth, root_bounds.width());
  43 #endif
  44   }
  45
  46   virtual void TearDown() OVERRIDE {
  47     AshTestBase::TearDown();
  48   }
  49
  50  protected:
  51   aura::Window* GetRootWindow() const {
  52     return Shell::GetPrimaryRootWindow();
  53   }
  54
  55   std::string GetHostMouseLocation() {
  56     gfx::Point point;
  57     GetRootWindow()->GetHost()->QueryMouseLocation(&point);
  58     return point.ToString();
  59   }
  60
  61   ash::MagnificationController* GetMagnificationController() const {
  62     return ash::Shell::GetInstance()->magnification_controller();
  63   }
  64
  65   gfx::Rect GetViewport() const {
  66     gfx::RectF bounds(0, 0, kRootWidth, kRootHeight);
  67     GetRootWindow()->layer()->transform().TransformRectReverse(&bounds);
  68     return gfx::ToEnclosingRect(bounds);
  69   }
  70
  71   std::string CurrentPointOfInterest() const {
  72     return GetMagnificationController()->
  73         GetPointOfInterestForTesting().ToString();
  74   }
  75
  76  private:
  77   DISALLOW_COPY_AND_ASSIGN(MagnificationControllerTest);
  78 };
  79
  80 TEST_F(MagnificationControllerTest, EnableAndDisable) {
  81   // Confirms the magnifier is disabled.
  82   EXPECT_TRUE(GetRootWindow()->layer()->transform().IsIdentity());
  83   EXPECT_EQ(1.0f, GetMagnificationController()->GetScale());
  84   EXPECT_EQ("0,0 800x600", GetViewport().ToString());
  85
  86   // Enables magnifier.
  87   GetMagnificationController()->SetEnabled(true);
  88   EXPECT_FALSE(GetRootWindow()->layer()->transform().IsIdentity());
  89   EXPECT_EQ(2.0f, GetMagnificationController()->GetScale());
  90   EXPECT_EQ("200,150 400x300", GetViewport().ToString());
  91
  92   // Disables magnifier.
  93   GetMagnificationController()->SetEnabled(false);
  94   EXPECT_TRUE(GetRootWindow()->layer()->transform().IsIdentity());
  95   EXPECT_EQ(1.0f, GetMagnificationController()->GetScale());
  96   EXPECT_EQ("0,0 800x600", GetViewport().ToString());
  97
  98   // Confirms the the scale can't be changed.
  99   GetMagnificationController()->SetScale(4.0f, false);
 100   EXPECT_TRUE(GetRootWindow()->layer()->transform().IsIdentity());
 101   EXPECT_EQ(1.0f, GetMagnificationController()->GetScale());
 102   EXPECT_EQ("0,0 800x600", GetViewport().ToString());
 103 }
 104
 105 TEST_F(MagnificationControllerTest, MagnifyAndUnmagnify) {
 106   // Enables magnifier and confirms the default scale is 2.0x.
 107   GetMagnificationController()->SetEnabled(true);
 108   EXPECT_FALSE(GetRootWindow()->layer()->transform().IsIdentity());
 109   EXPECT_EQ(2.0f, GetMagnificationController()->GetScale());
 110   EXPECT_EQ("200,150 400x300", GetViewport().ToString());
 111   EXPECT_EQ("400,300", CurrentPointOfInterest());
 112
 113   // Changes the scale.
 114   GetMagnificationController()->SetScale(4.0f, false);
 115   EXPECT_EQ(4.0f, GetMagnificationController()->GetScale());
 116   EXPECT_EQ("300,225 200x150", GetViewport().ToString());
 117   EXPECT_EQ("400,300", CurrentPointOfInterest());
 118
 119   GetMagnificationController()->SetScale(1.0f, false);
 120   EXPECT_EQ(1.0f, GetMagnificationController()->GetScale());
 121   EXPECT_EQ("0,0 800x600", GetViewport().ToString());
 122   EXPECT_EQ("400,300", CurrentPointOfInterest());
 123
 124   GetMagnificationController()->SetScale(3.0f, false);
 125   EXPECT_EQ(3.0f, GetMagnificationController()->GetScale());
 126   EXPECT_EQ("266,200 267x200", GetViewport().ToString());
 127   EXPECT_EQ("400,300", CurrentPointOfInterest());
 128 }
 129
 130 TEST_F(MagnificationControllerTest, MoveWindow) {
 131   // Enables magnifier and confirm the viewport is at center.
 132   GetMagnificationController()->SetEnabled(true);
 133   EXPECT_EQ(2.0f, GetMagnificationController()->GetScale());
 134   EXPECT_EQ("200,150 400x300", GetViewport().ToString());
 135
 136   // Move the viewport.
 137   GetMagnificationController()->MoveWindow(0, 0, false);
 138   EXPECT_EQ("0,0 400x300", GetViewport().ToString());
 139
 140   GetMagnificationController()->MoveWindow(200, 300, false);
 141   EXPECT_EQ("200,300 400x300", GetViewport().ToString());
 142
 143   GetMagnificationController()->MoveWindow(400, 0, false);
 144   EXPECT_EQ("400,0 400x300", GetViewport().ToString());
 145
 146   GetMagnificationController()->MoveWindow(400, 300, false);
 147   EXPECT_EQ("400,300 400x300", GetViewport().ToString());
 148
 149   // Confirms that the viewport can't across the top-left border.
 150   GetMagnificationController()->MoveWindow(-100, 0, false);
 151   EXPECT_EQ("0,0 400x300", GetViewport().ToString());
 152
 153   GetMagnificationController()->MoveWindow(0, -100, false);
 154   EXPECT_EQ("0,0 400x300", GetViewport().ToString());
 155
 156   GetMagnificationController()->MoveWindow(-100, -100, false);
 157   EXPECT_EQ("0,0 400x300", GetViewport().ToString());
 158
 159   // Confirms that the viewport can't across the bittom-right border.
 160   GetMagnificationController()->MoveWindow(800, 0, false);
 161   EXPECT_EQ("400,0 400x300", GetViewport().ToString());
 162
 163   GetMagnificationController()->MoveWindow(0, 400, false);
 164   EXPECT_EQ("0,300 400x300", GetViewport().ToString());
 165
 166   GetMagnificationController()->MoveWindow(200, 400, false);
 167   EXPECT_EQ("200,300 400x300", GetViewport().ToString());
 168
 169   GetMagnificationController()->MoveWindow(1000, 1000, false);
 170   EXPECT_EQ("400,300 400x300", GetViewport().ToString());
 171 }
 172
 173 TEST_F(MagnificationControllerTest, PointOfInterest) {
 174   aura::test::EventGenerator generator(Shell::GetPrimaryRootWindow());
 175
 176   generator.MoveMouseToInHost(gfx::Point(0, 0));
 177   EXPECT_EQ("0,0", CurrentPointOfInterest());
 178
 179   generator.MoveMouseToInHost(gfx::Point(799, 599));
 180   EXPECT_EQ("799,599", CurrentPointOfInterest());
 181
 182   generator.MoveMouseToInHost(gfx::Point(400, 300));
 183   EXPECT_EQ("400,300", CurrentPointOfInterest());
 184
 185   GetMagnificationController()->SetEnabled(true);
 186   EXPECT_EQ("400,300", CurrentPointOfInterest());
 187
 188   generator.MoveMouseToInHost(gfx::Point(500, 400));
 189   EXPECT_EQ("450,350", CurrentPointOfInterest());
 190 }
 191
 192 TEST_F(MagnificationControllerTest, PanWindow2xLeftToRight) {
 193   const aura::Env* env = aura::Env::GetInstance();
 194   aura::test::EventGenerator generator(Shell::GetPrimaryRootWindow());
 195
 196   generator.MoveMouseToInHost(gfx::Point(0, 0));
 197   EXPECT_EQ(1.f, GetMagnificationController()->GetScale());
 198   EXPECT_EQ("0,0 800x600", GetViewport().ToString());
 199   EXPECT_EQ("0,0", env->last_mouse_location().ToString());
 200
 201   // Enables magnifier and confirm the viewport is at center.
 202   GetMagnificationController()->SetEnabled(true);
 203   EXPECT_EQ(2.0f, GetMagnificationController()->GetScale());
 204
 205   GetMagnificationController()->MoveWindow(0, 0, false);
 206   generator.MoveMouseToInHost(gfx::Point(0, 0));
 207   EXPECT_EQ("0,0", env->last_mouse_location().ToString());
 208   EXPECT_EQ("0,0 400x300", GetViewport().ToString());
 209
 210   generator.MoveMouseToInHost(gfx::Point(300, 150));
 211   EXPECT_EQ("150,75", env->last_mouse_location().ToString());
 212   EXPECT_EQ("0,0 400x300", GetViewport().ToString());
 213
 214   generator.MoveMouseToInHost(gfx::Point(700, 150));
 215   EXPECT_EQ("350,75", env->last_mouse_location().ToString());
 216   EXPECT_EQ("0,0 400x300", GetViewport().ToString());
 217
 218   generator.MoveMouseToInHost(gfx::Point(701, 150));
 219   EXPECT_EQ("350,75", env->last_mouse_location().ToString());
 220   EXPECT_EQ("0,0 400x300", GetViewport().ToString());
 221
 222   generator.MoveMouseToInHost(gfx::Point(702, 150));
 223   EXPECT_EQ("351,75", env->last_mouse_location().ToString());
 224   EXPECT_EQ("1,0 400x300", GetViewport().ToString());
 225
 226   generator.MoveMouseToInHost(gfx::Point(703, 150));
 227   EXPECT_EQ("352,75", env->last_mouse_location().ToString());
 228   EXPECT_EQ("2,0 400x300", GetViewport().ToString());
 229
 230   generator.MoveMouseToInHost(gfx::Point(704, 150));
 231   EXPECT_EQ("354,75", env->last_mouse_location().ToString());
 232   EXPECT_EQ("4,0 400x300", GetViewport().ToString());
 233
 234   generator.MoveMouseToInHost(gfx::Point(712, 150));
 235   EXPECT_EQ("360,75", env->last_mouse_location().ToString());
 236   EXPECT_EQ("10,0 400x300", GetViewport().ToString());
 237
 238   generator.MoveMouseToInHost(gfx::Point(600, 150));
 239   EXPECT_EQ("310,75", env->last_mouse_location().ToString());
 240   EXPECT_EQ("10,0 400x300", GetViewport().ToString());
 241
 242   generator.MoveMouseToInHost(gfx::Point(720, 150));
 243   EXPECT_EQ("370,75", env->last_mouse_location().ToString());
 244   EXPECT_EQ("20,0 400x300", GetViewport().ToString());
 245
 246   generator.MoveMouseToInHost(gfx::Point(780, 150));
 247   EXPECT_EQ("410,75", env->last_mouse_location().ToString());
 248   EXPECT_EQ("410,75", CurrentPointOfInterest());
 249   EXPECT_EQ("60,0 400x300", GetViewport().ToString());
 250
 251   generator.MoveMouseToInHost(gfx::Point(799, 150));
 252   EXPECT_EQ("459,75", env->last_mouse_location().ToString());
 253   EXPECT_EQ("109,0 400x300", GetViewport().ToString());
 254
 255   generator.MoveMouseToInHost(gfx::Point(702, 150));
 256   EXPECT_EQ("460,75", env->last_mouse_location().ToString());
 257   EXPECT_EQ("110,0 400x300", GetViewport().ToString());
 258
 259   generator.MoveMouseToInHost(gfx::Point(780, 150));
 260   EXPECT_EQ("500,75", env->last_mouse_location().ToString());
 261   EXPECT_EQ("150,0 400x300", GetViewport().ToString());
 262
 263   generator.MoveMouseToInHost(gfx::Point(780, 150));
 264   EXPECT_EQ("540,75", env->last_mouse_location().ToString());
 265   EXPECT_EQ("190,0 400x300", GetViewport().ToString());
 266
 267   generator.MoveMouseToInHost(gfx::Point(780, 150));
 268   EXPECT_EQ("580,75", env->last_mouse_location().ToString());
 269   EXPECT_EQ("230,0 400x300", GetViewport().ToString());
 270
 271   generator.MoveMouseToInHost(gfx::Point(780, 150));
 272   EXPECT_EQ("620,75", env->last_mouse_location().ToString());
 273   EXPECT_EQ("270,0 400x300", GetViewport().ToString());
 274
 275   generator.MoveMouseToInHost(gfx::Point(780, 150));
 276   EXPECT_EQ("660,75", env->last_mouse_location().ToString());
 277   EXPECT_EQ("310,0 400x300", GetViewport().ToString());
 278
 279   generator.MoveMouseToInHost(gfx::Point(780, 150));
 280   EXPECT_EQ("700,75", env->last_mouse_location().ToString());
 281   EXPECT_EQ("350,0 400x300", GetViewport().ToString());
 282
 283   generator.MoveMouseToInHost(gfx::Point(780, 150));
 284   EXPECT_EQ("740,75", env->last_mouse_location().ToString());
 285   EXPECT_EQ("390,0 400x300", GetViewport().ToString());
 286
 287   generator.MoveMouseToInHost(gfx::Point(780, 150));
 288   EXPECT_EQ("780,75", env->last_mouse_location().ToString());
 289   EXPECT_EQ("400,0 400x300", GetViewport().ToString());
 290
 291   generator.MoveMouseToInHost(gfx::Point(799, 150));
 292   EXPECT_EQ("799,75", env->last_mouse_location().ToString());
 293   EXPECT_EQ("400,0 400x300", GetViewport().ToString());
 294 }
 295
 296 TEST_F(MagnificationControllerTest, PanWindow2xRightToLeft) {
 297   const aura::Env* env = aura::Env::GetInstance();
 298   aura::test::EventGenerator generator(Shell::GetPrimaryRootWindow());
 299
 300   generator.MoveMouseToInHost(gfx::Point(799, 300));
 301   EXPECT_EQ(1.f, GetMagnificationController()->GetScale());
 302   EXPECT_EQ("0,0 800x600", GetViewport().ToString());
 303   EXPECT_EQ("799,300", env->last_mouse_location().ToString());
 304
 305   // Enables magnifier and confirm the viewport is at center.
 306   GetMagnificationController()->SetEnabled(true);
 307
 308   generator.MoveMouseToInHost(gfx::Point(799, 300));
 309   EXPECT_EQ("798,300", env->last_mouse_location().ToString());
 310   EXPECT_EQ("400,150 400x300", GetViewport().ToString());
 311
 312   generator.MoveMouseToInHost(gfx::Point(0, 300));
 313   EXPECT_EQ("400,300", env->last_mouse_location().ToString());
 314   EXPECT_EQ("350,150 400x300", GetViewport().ToString());
 315
 316   generator.MoveMouseToInHost(gfx::Point(0, 300));
 317   EXPECT_EQ("350,300", env->last_mouse_location().ToString());
 318   EXPECT_EQ("300,150 400x300", GetViewport().ToString());
 319
 320   generator.MoveMouseToInHost(gfx::Point(0, 300));
 321   EXPECT_EQ("300,300", env->last_mouse_location().ToString());
 322   EXPECT_EQ("250,150 400x300", GetViewport().ToString());
 323
 324   generator.MoveMouseToInHost(gfx::Point(0, 300));
 325   EXPECT_EQ("250,300", env->last_mouse_location().ToString());
 326   EXPECT_EQ("200,150 400x300", GetViewport().ToString());
 327
 328   generator.MoveMouseToInHost(gfx::Point(0, 300));
 329   EXPECT_EQ("200,300", env->last_mouse_location().ToString());
 330   EXPECT_EQ("150,150 400x300", GetViewport().ToString());
 331
 332   generator.MoveMouseToInHost(gfx::Point(0, 300));
 333   EXPECT_EQ("150,300", env->last_mouse_location().ToString());
 334   EXPECT_EQ("100,150 400x300", GetViewport().ToString());
 335
 336   generator.MoveMouseToInHost(gfx::Point(0, 300));
 337   EXPECT_EQ("100,300", env->last_mouse_location().ToString());
 338   EXPECT_EQ("50,150 400x300", GetViewport().ToString());
 339
 340   generator.MoveMouseToInHost(gfx::Point(0, 300));
 341   EXPECT_EQ("50,300", env->last_mouse_location().ToString());
 342   EXPECT_EQ("0,150 400x300", GetViewport().ToString());
 343
 344   generator.MoveMouseToInHost(gfx::Point(0, 300));
 345   EXPECT_EQ("0,300", env->last_mouse_location().ToString());
 346   EXPECT_EQ("0,150 400x300", GetViewport().ToString());
 347 }
 348
 349 TEST_F(MagnificationControllerTest, PanWindowToRight) {
 350   const aura::Env* env = aura::Env::GetInstance();
 351   aura::test::EventGenerator generator(Shell::GetPrimaryRootWindow());
 352
 353   generator.MoveMouseToInHost(gfx::Point(400, 300));
 354   EXPECT_EQ(1.f, GetMagnificationController()->GetScale());
 355   EXPECT_EQ("0,0 800x600", GetViewport().ToString());
 356   EXPECT_EQ("400,300", env->last_mouse_location().ToString());
 357
 358   float scale = 2.f;
 359
 360   // Enables magnifier and confirm the viewport is at center.
 361   GetMagnificationController()->SetEnabled(true);
 362   EXPECT_FLOAT_EQ(2.f, GetMagnificationController()->GetScale());
 363
 364   scale *= kMagnificationScaleFactor;
 365   GetMagnificationController()->SetScale(scale, false);
 366   EXPECT_FLOAT_EQ(2.3784142, GetMagnificationController()->GetScale());
 367   generator.MoveMouseToInHost(gfx::Point(400, 300));
 368   EXPECT_EQ("400,300", env->last_mouse_location().ToString());
 369   generator.MoveMouseToInHost(gfx::Point(799, 300));
 370   EXPECT_EQ("566,299", env->last_mouse_location().ToString());
 371   EXPECT_EQ("705,300", GetHostMouseLocation());
 372
 373   scale *= kMagnificationScaleFactor;
 374   GetMagnificationController()->SetScale(scale, false);
 375   EXPECT_FLOAT_EQ(2.8284268, GetMagnificationController()->GetScale());
 376   generator.MoveMouseToInHost(gfx::Point(799, 300));
 377   EXPECT_EQ("599,299", env->last_mouse_location().ToString());
 378   EXPECT_EQ("702,300", GetHostMouseLocation());
 379
 380   scale *= kMagnificationScaleFactor;
 381   GetMagnificationController()->SetScale(scale, false);
 382   EXPECT_FLOAT_EQ(3.3635852, GetMagnificationController()->GetScale());
 383   generator.MoveMouseToInHost(gfx::Point(799, 300));
 384   EXPECT_EQ("627,298", env->last_mouse_location().ToString());
 385   EXPECT_EQ("707,300", GetHostMouseLocation());
 386
 387   scale *= kMagnificationScaleFactor;
 388   GetMagnificationController()->SetScale(scale, false);
 389   EXPECT_FLOAT_EQ(4.f, GetMagnificationController()->GetScale());
 390   generator.MoveMouseToInHost(gfx::Point(799, 300));
 391   EXPECT_EQ("649,298", env->last_mouse_location().ToString());
 392   EXPECT_EQ("704,300", GetHostMouseLocation());
 393 }
 394
 395 TEST_F(MagnificationControllerTest, PanWindowToLeft) {
 396   const aura::Env* env = aura::Env::GetInstance();
 397   aura::test::EventGenerator generator(Shell::GetPrimaryRootWindow());
 398
 399   generator.MoveMouseToInHost(gfx::Point(400, 300));
 400   EXPECT_EQ(1.f, GetMagnificationController()->GetScale());
 401   EXPECT_EQ("0,0 800x600", GetViewport().ToString());
 402   EXPECT_EQ("400,300", env->last_mouse_location().ToString());
 403
 404   float scale = 2.f;
 405
 406   // Enables magnifier and confirm the viewport is at center.
 407   GetMagnificationController()->SetEnabled(true);
 408   EXPECT_FLOAT_EQ(2.f, GetMagnificationController()->GetScale());
 409
 410   scale *= kMagnificationScaleFactor;
 411   GetMagnificationController()->SetScale(scale, false);
 412   EXPECT_FLOAT_EQ(2.3784142, GetMagnificationController()->GetScale());
 413   generator.MoveMouseToInHost(gfx::Point(400, 300));
 414   EXPECT_EQ("400,300", env->last_mouse_location().ToString());
 415   generator.MoveMouseToInHost(gfx::Point(0, 300));
 416   EXPECT_EQ("231,299", env->last_mouse_location().ToString());
 417   EXPECT_EQ("100,300", GetHostMouseLocation());
 418
 419   scale *= kMagnificationScaleFactor;
 420   GetMagnificationController()->SetScale(scale, false);
 421   EXPECT_FLOAT_EQ(2.8284268, GetMagnificationController()->GetScale());
 422   generator.MoveMouseToInHost(gfx::Point(0, 300));
 423   EXPECT_EQ("194,299", env->last_mouse_location().ToString());
 424   EXPECT_EQ("99,300", GetHostMouseLocation());
 425
 426   scale *= kMagnificationScaleFactor;
 427   GetMagnificationController()->SetScale(scale, false);
 428   EXPECT_FLOAT_EQ(3.3635852, GetMagnificationController()->GetScale());
 429   generator.MoveMouseToInHost(gfx::Point(0, 300));
 430   EXPECT_EQ("164,298", env->last_mouse_location().ToString());
 431   EXPECT_EQ("98,300", GetHostMouseLocation());
 432
 433   scale *= kMagnificationScaleFactor;
 434   GetMagnificationController()->SetScale(scale, false);
 435   EXPECT_FLOAT_EQ(4.f, GetMagnificationController()->GetScale());
 436   generator.MoveMouseToInHost(gfx::Point(0, 300));
 437   EXPECT_EQ("139,298", env->last_mouse_location().ToString());
 438   EXPECT_EQ("100,300", GetHostMouseLocation());
 439 }
 440
 441 }  // namespace ash