Associate internal touchscreen to internal display

ui/display/chromeos/touchscreen_delegate_impl_unittest.cc

 // Copyright 2014 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 <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/display/chromeos/display_configurator.h"
@@ skipping 30 matching lines @@
 class TouchscreenDelegateImplTest : public testing::Test {
  public:
   TouchscreenDelegateImplTest() {}
   virtual ~TouchscreenDelegateImplTest() {}
 
   virtual void SetUp() OVERRIDE {
     device_manager_ = new MockTouchscreenDeviceManager();
     delegate_.reset(new TouchscreenDelegateImpl(
         scoped_ptr<TouchscreenDeviceManager>(device_manager_)));
 
-    // Internal display. Must not be matched to a touch screen unless the size
-    // matches.
+    // Internal display will always match to internal touchscreen. If internal
+    // touchscreen can't be detected, it is then associated to a touch screen
+    // with matching size.
     TestDisplaySnapshot* snapshot = new TestDisplaySnapshot();
     DisplayMode* mode = new DisplayMode(gfx::Size(1920, 1080), false, 60.0);
     snapshot->set_type(DISPLAY_CONNECTION_TYPE_INTERNAL);
     snapshot->set_modes(std::vector<const DisplayMode*>(1, mode));
     snapshot->set_native_mode(mode);
     displays_.push_back(snapshot);
 
     snapshot = new TestDisplaySnapshot();
     mode = new DisplayMode(gfx::Size(800, 600), false, 60.0);
     snapshot->set_modes(std::vector<const DisplayMode*>(1, mode));
@@ skipping 40 matching lines @@
 TEST_F(TouchscreenDelegateImplTest, NoTouchscreens) {
   std::vector<DisplayConfigurator::DisplayState> display_states =
       GetDisplayStates();
   delegate_->AssociateTouchscreens(&display_states);
 
   for (size_t i = 0; i < display_states.size(); ++i)
     EXPECT_EQ(TouchscreenDevice::kInvalidId, display_states[i].touch_device_id);
 }
 
 TEST_F(TouchscreenDelegateImplTest, OneToOneMapping) {
-  device_manager_->AddDevice(TouchscreenDevice(1, gfx::Size(800, 600)));
-  device_manager_->AddDevice(TouchscreenDevice(2, gfx::Size(1024, 768)));
+  device_manager_->AddDevice(TouchscreenDevice(1, gfx::Size(800, 600), false));
+  device_manager_->AddDevice(TouchscreenDevice(2, gfx::Size(1024, 768), false));
 
   std::vector<DisplayConfigurator::DisplayState> display_states =
       GetDisplayStates();
   delegate_->AssociateTouchscreens(&display_states);
 
   EXPECT_EQ(TouchscreenDevice::kInvalidId, display_states[0].touch_device_id);
   EXPECT_EQ(1, display_states[1].touch_device_id);
   EXPECT_EQ(TouchscreenDevice::kInvalidId, display_states[2].touch_device_id);
   EXPECT_EQ(2, display_states[3].touch_device_id);
 }
 
 TEST_F(TouchscreenDelegateImplTest, MapToCorrectDisplaySize) {
-  device_manager_->AddDevice(TouchscreenDevice(2, gfx::Size(1024, 768)));
+  device_manager_->AddDevice(TouchscreenDevice(2, gfx::Size(1024, 768), false));
 
   std::vector<DisplayConfigurator::DisplayState> display_states =
       GetDisplayStates();
   delegate_->AssociateTouchscreens(&display_states);
 
   EXPECT_EQ(TouchscreenDevice::kInvalidId, display_states[0].touch_device_id);
   EXPECT_EQ(TouchscreenDevice::kInvalidId, display_states[1].touch_device_id);
   EXPECT_EQ(TouchscreenDevice::kInvalidId, display_states[2].touch_device_id);
   EXPECT_EQ(2, display_states[3].touch_device_id);
 }
 
 TEST_F(TouchscreenDelegateImplTest, MapWhenSizeDiffersByOne) {
-  device_manager_->AddDevice(TouchscreenDevice(1, gfx::Size(801, 600)));
-  device_manager_->AddDevice(TouchscreenDevice(2, gfx::Size(1023, 768)));
+  device_manager_->AddDevice(TouchscreenDevice(1, gfx::Size(801, 600), false));
+  device_manager_->AddDevice(TouchscreenDevice(2, gfx::Size(1023, 768), false));
 
   std::vector<DisplayConfigurator::DisplayState> display_states =
       GetDisplayStates();
   delegate_->AssociateTouchscreens(&display_states);
 
   EXPECT_EQ(TouchscreenDevice::kInvalidId, display_states[0].touch_device_id);
   EXPECT_EQ(1, display_states[1].touch_device_id);
   EXPECT_EQ(TouchscreenDevice::kInvalidId, display_states[2].touch_device_id);
   EXPECT_EQ(2, display_states[3].touch_device_id);
 }
 
 TEST_F(TouchscreenDelegateImplTest, MapWhenSizesDoNotMatch) {
-  device_manager_->AddDevice(TouchscreenDevice(1, gfx::Size(1022, 768)));
-  device_manager_->AddDevice(TouchscreenDevice(2, gfx::Size(802, 600)));
+  device_manager_->AddDevice(TouchscreenDevice(1, gfx::Size(1022, 768), false));
+  device_manager_->AddDevice(TouchscreenDevice(2, gfx::Size(802, 600), false));
 
   std::vector<DisplayConfigurator::DisplayState> display_states =
       GetDisplayStates();
   delegate_->AssociateTouchscreens(&display_states);
 
   EXPECT_EQ(TouchscreenDevice::kInvalidId, display_states[0].touch_device_id);
   EXPECT_EQ(1, display_states[1].touch_device_id);
   EXPECT_EQ(TouchscreenDevice::kInvalidId, display_states[2].touch_device_id);
   EXPECT_EQ(2, display_states[3].touch_device_id);
 }
 
+TEST_F(TouchscreenDelegateImplTest, MapInternalTouchscreen) {
+  device_manager_->AddDevice(
+      TouchscreenDevice(1, gfx::Size(1920, 1080), false));
+  device_manager_->AddDevice(TouchscreenDevice(2, gfx::Size(9999, 888), true));
+
+  std::vector<DisplayConfigurator::DisplayState> display_states =
+      GetDisplayStates();
+  delegate_->AssociateTouchscreens(&display_states);
+
+  // Internal touchscreen is always mapped to internal display.
+  EXPECT_EQ(2, display_states[0].touch_device_id);
+  EXPECT_EQ(1, display_states[1].touch_device_id);
+  EXPECT_EQ(TouchscreenDevice::kInvalidId, display_states[2].touch_device_id);
+  EXPECT_EQ(TouchscreenDevice::kInvalidId, display_states[3].touch_device_id);
+}
+
 }  // namespace ui