Only block internal touchpad and allow external mice to continue working in maximize mode.

ash/wm/maximize_mode/maximize_mode_controller_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 "ash/wm/maximize_mode/maximize_mode_controller.h"
 
 #include "ash/accelerometer/accelerometer_controller.h"
 #include "ash/display/display_manager.h"
 #include "ash/shell.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/display_manager_test_api.h"
 #include "ash/test/test_lock_state_controller_delegate.h"
 #include "ash/test/test_screenshot_delegate.h"
 #include "ash/test/test_system_tray_delegate.h"
 #include "ash/test/test_volume_control_delegate.h"
+#include "ash/wm/maximize_mode/internal_input_device_list.h"
+#include "ash/wm/maximize_mode/maximize_mode_event_blocker.h"
 #include "ui/aura/test/event_generator.h"
 #include "ui/events/event_handler.h"
 #include "ui/gfx/vector3d_f.h"
 #include "ui/message_center/message_center.h"
 
 namespace ash {
 
 namespace {
 
 const float kDegreesToRadians = 3.14159265f / 180.0f;
@@ skipping 24 matching lines @@
 }
 
 EventCounter::~EventCounter() {
   Shell::GetInstance()->RemovePreTargetHandler(this);
 }
 
 void EventCounter::OnEvent(ui::Event* event) {
   event_count_++;
 }
 
+// A test internal input device list which pretends that all events are from
+// internal devices to allow verifying that the event blocking works.
+class TestInternalInputDeviceList : public InternalInputDeviceList {
+ public:
+  TestInternalInputDeviceList() {}
+  virtual ~TestInternalInputDeviceList() {}
+
+  virtual bool IsEventFromInternalDevice(const ui::Event* event) OVERRIDE {
+    return true;
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(TestInternalInputDeviceList);
+};
+
 }  // namespace
 
 // Test accelerometer data taken with the lid at less than 180 degrees while
 // shaking the device around. The data is to be interpreted in groups of 6 where
 // each 6 values corresponds to the X, Y, and Z readings from the base and lid
 // accelerometers in this order.
 extern const float kAccelerometerLaptopModeTestData[];
 extern const size_t kAccelerometerLaptopModeTestDataLength;
 
 // Test accelerometer data taken with the lid open 360 degrees while
@@ skipping 31 matching lines @@
 
   void TriggerAccelerometerUpdate(const gfx::Vector3dF& base,
                                   const gfx::Vector3dF& lid) {
     maximize_mode_controller()->OnAccelerometerUpdated(base, lid);
   }
 
   bool IsMaximizeModeStarted() const {
     return Shell::GetInstance()->IsMaximizeModeWindowManagerEnabled();
   }
 
+  // Overrides the internal input device list for the current event targeters
+  // with one which always returns true.
+  void InstallTestInternalDeviceList() {
+    maximize_mode_controller()->event_blocker_->internal_devices_.reset(
+        new TestInternalInputDeviceList);
+  }
+
   gfx::Display::Rotation GetInternalDisplayRotation() const {
     return Shell::GetInstance()->display_manager()->GetDisplayInfo(
         gfx::Display::InternalDisplayId()).rotation();
   }
 
   void SetInternalDisplayRotation(gfx::Display::Rotation rotation) const {
     Shell::GetInstance()->display_manager()->
         SetDisplayRotation(gfx::Display::InternalDisplayId(), rotation);
   }
 
@@ skipping 197 matching lines @@
 
   event_generator.PressTouch();
   event_generator.ReleaseTouch();
   EXPECT_GT(counter.event_count(), 0u);
   counter.reset();
 
   // Open up 270 degrees.
   TriggerAccelerometerUpdate(gfx::Vector3dF(0.0f, 0.0f, 1.0f),
                              gfx::Vector3dF(1.0f, 0.0f, 0.0f));
   ASSERT_TRUE(IsMaximizeModeStarted());
+  InstallTestInternalDeviceList();
 
   event_generator.PressKey(ui::VKEY_ESCAPE, 0);
   event_generator.ReleaseKey(ui::VKEY_ESCAPE, 0);
   EXPECT_EQ(0u, counter.event_count());
   counter.reset();
 
   event_generator.ClickLeftButton();
   EXPECT_EQ(0u, counter.event_count());
   counter.reset();
 
@@ skipping 226 matching lines @@
   ASSERT_NE(gfx::Display::ROTATE_90, GetInternalDisplayRotation());
   TriggerAccelerometerUpdate(gfx::Vector3dF(0.0f, 1.0f, 0.0f),
                              gfx::Vector3dF(0.0f, 1.0f, 0.0f));
   ASSERT_EQ(gfx::Display::ROTATE_90, GetInternalDisplayRotation());
   EXPECT_EQ(0u, message_center->NotificationCount());
   EXPECT_FALSE(message_center->HasPopupNotifications());
 }
 #endif
 
 }  // namespace ash