Adding four bezel gestures

ash/wm/system_gesture_event_filter_unittest.cc

Index: ash/wm/system_gesture_event_filter_unittest.cc
diff --git a/ash/wm/system_gesture_event_filter_unittest.cc b/ash/wm/system_gesture_event_filter_unittest.cc
index 8e26aec587700321ff735bb796e6d531f5cbd629..6ef332df5859e6875275fe01d7bbb92e1389b7f9 100644
--- a/ash/wm/system_gesture_event_filter_unittest.cc
+++ b/ash/wm/system_gesture_event_filter_unittest.cc
@@ -4,13 +4,96 @@
 
 #include "ash/wm/system_gesture_event_filter.h"
 
+#include "ash/accelerators/accelerator_controller.h"
+#include "ash/launcher/launcher.h"
+#include "ash/launcher/launcher_model.h"
 #include "ash/shell.h"
+#include "ash/system/brightness/brightness_control_delegate.h"
 #include "ash/test/ash_test_base.h"
+#include "ash/test/test_launcher_delegate.h"
+#include "ash/volume_control_delegate.h"
+#include "ash/wm/window_util.h"
 #include "base/time.h"
+#include "ui/gfx/screen.h"
 #include "ui/aura/event.h"
 #include "ui/aura/root_window.h"
+#include "ui/aura/test/test_windows.h"
 
 namespace ash {
+namespace test {
+
+namespace {
+
+class DelegatePercentTracker {
+ public:
+  explicit DelegatePercentTracker()
+      : handle_percent_count_(0),
+        handle_percent_(0){
+  }
+  int handle_percent_count() const {
+    return handle_percent_count_;
+  }
+  double handle_percent() const {
+    return handle_percent_;
+  }
+  void SetPercent(double percent) {
+    handle_percent_ = percent;
+    handle_percent_count_++;
+  }
+
+ private:
+  int handle_percent_count_;
+  int handle_percent_;
+
+  DISALLOW_COPY_AND_ASSIGN(DelegatePercentTracker);
+};
+
+class DummyVolumeControlDelegate : public VolumeControlDelegate,
+                                   public DelegatePercentTracker {
+ public:
+  explicit DummyVolumeControlDelegate() {}
+  virtual ~DummyVolumeControlDelegate() {}
+
+  virtual bool HandleVolumeMute(const ui::Accelerator& accelerator) OVERRIDE {
+    return true;
+  }
+  virtual bool HandleVolumeDown(const ui::Accelerator& accelerator) OVERRIDE {
+    return true;
+  }
+  virtual bool HandleVolumeUp(const ui::Accelerator& accelerator) OVERRIDE {
+    return true;
+  }
+  virtual void SetVolumePercent(double percent) OVERRIDE {
+    SetPercent(percent);
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DummyVolumeControlDelegate);
+};
+
+class DummyBrightnessControlDelegate : public BrightnessControlDelegate,
+                                       public DelegatePercentTracker {
+ public:
+  explicit DummyBrightnessControlDelegate() {}
+  virtual ~DummyBrightnessControlDelegate() {}
+
+  virtual bool HandleBrightnessDown(
+      const ui::Accelerator& accelerator) OVERRIDE { return true; }
+  virtual bool HandleBrightnessUp(
+      const ui::Accelerator& accelerator) OVERRIDE { return true; }
+  virtual void SetBrightnessPercent(double percent, bool gradual) OVERRIDE {
+    SetPercent(percent);
+  }
+  virtual void GetBrightnessPercent(
+      const base::Callback<void(double)>& callback) OVERRIDE {
+    callback.Run(100.0);
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DummyBrightnessControlDelegate);
+};
+
+} // namespace
 
 typedef test::AshTestBase SystemGestureEventFilterTest;
 
@@ -74,4 +157,216 @@ TEST_F(SystemGestureEventFilterTest, ThreeFingerSwipe) {
   EXPECT_FALSE(consumed);
 }
 
+// Ensure that the device control operation gets properly handled.
+TEST_F(SystemGestureEventFilterTest, DeviceControl) {
+  aura::RootWindow* root_window = Shell::GetRootWindow();
+
+  gfx::Rect screen = gfx::Screen::GetPrimaryMonitor().bounds();
+  int ypos_half = screen.height() / 2;
+
+  ash::AcceleratorController* accelerator =
+       ash::Shell::GetInstance()->accelerator_controller();
+
+  DummyBrightnessControlDelegate* delegateBrightness =
+      new DummyBrightnessControlDelegate();
+  accelerator->SetBrightnessControlDelegate(
+      scoped_ptr<BrightnessControlDelegate>(delegateBrightness).Pass());
+
+  DummyVolumeControlDelegate* delegateVolume =
+      new DummyVolumeControlDelegate();
+  accelerator->SetVolumeControlDelegate(
+      scoped_ptr<VolumeControlDelegate>(delegateVolume).Pass());
+
+  const int kTouchId = 5;
+
+  for (int pass = 0; pass < 2; pass++) {
+    DelegatePercentTracker* delegate =
+        static_cast<DelegatePercentTracker*>(delegateBrightness);
+    int xpos = screen.x() - 10;
+    int ypos = screen.y();
+    if (pass) {
+      // On the second pass the volume will be tested.
+      delegate = static_cast<DelegatePercentTracker*>(delegateVolume);
+      xpos = screen.right() + 40;  // Make sure it is out of the screen.
+    }
+    // Get a target for kTouchId
+    aura::TouchEvent press1(ui::ET_TOUCH_PRESSED,
+                            gfx::Point(-10, ypos + ypos_half),
+                            kTouchId,
+                            base::Time::NowFromSystemTime() - base::Time());
+    root_window->DispatchTouchEvent(&press1);
+
+    aura::GestureEvent* event1 = new aura::GestureEvent(
+        ui::ET_GESTURE_SCROLL_BEGIN, xpos, ypos, 0,
+        base::Time::Now(), 0, 0, 1 << kTouchId);
+    bool consumed = root_window->DispatchGestureEvent(event1);
+
+    EXPECT_TRUE(consumed);
+    EXPECT_EQ(0, delegate->handle_percent_count());
+
+    // No move at the beginning will produce no events.
+    aura::GestureEvent* event2 = new aura::GestureEvent(
+        ui::ET_GESTURE_SCROLL_UPDATE,
+        xpos, ypos, 0, base::Time::Now(), 0, 0, 1 << kTouchId);
+    consumed = root_window->DispatchGestureEvent(event2);
+
+    EXPECT_TRUE(consumed);
+    EXPECT_EQ(0, delegate->handle_percent_count());
+
+    // A move to a new Y location will produce an event.
+    aura::GestureEvent* event3 = new aura::GestureEvent(
+        ui::ET_GESTURE_SCROLL_UPDATE, xpos, ypos + ypos_half, 0,
+        base::Time::Now(), 0, ypos_half, 1 << kTouchId);
+    consumed = root_window->DispatchGestureEvent(event3);
+
+    EXPECT_TRUE(consumed);
+    EXPECT_EQ(1, delegate->handle_percent_count());
+    EXPECT_EQ(50.0, delegate->handle_percent());
+
+    // A move to an illegal Y location will produce legal results.
+    aura::GestureEvent* event4 = new aura::GestureEvent(
+        ui::ET_GESTURE_SCROLL_UPDATE, xpos, ypos - 100, 0,
+        base::Time::Now(), 0, -ypos_half - 100, 1 << kTouchId);
+    consumed = root_window->DispatchGestureEvent(event4);
+
+    EXPECT_TRUE(consumed);
+    EXPECT_EQ(2, delegate->handle_percent_count());
+    EXPECT_EQ(100.0, delegate->handle_percent());
+
+    aura::GestureEvent* event5 = new aura::GestureEvent(
+        ui::ET_GESTURE_SCROLL_UPDATE, xpos, ypos + 2 * screen.height(), 0,
+        base::Time::Now(), 0, 2 * screen.height() + 100, 1 << kTouchId);
+    consumed = root_window->DispatchGestureEvent(event5);
+
+    EXPECT_TRUE(consumed);
+    EXPECT_EQ(3, delegate->handle_percent_count());
+    EXPECT_EQ(0.0, delegate->handle_percent());
+
+    // Finishing the gesture should not change anything.
+    aura::GestureEvent* event7 = new aura::GestureEvent(
+        ui::ET_GESTURE_SCROLL_END, xpos, ypos + ypos_half, 0,
+        base::Time::Now(), 0, 0, 1 << kTouchId);
+    consumed = root_window->DispatchGestureEvent(event7);
+
+    EXPECT_TRUE(consumed);
+    EXPECT_EQ(3, delegate->handle_percent_count());
+
+    // Another event after this one should get ignored.
+    aura::GestureEvent* event8 = new aura::GestureEvent(
+        ui::ET_GESTURE_SCROLL_UPDATE, xpos, ypos_half, 0,
+        base::Time::Now(), 0, 0, 1 << kTouchId);
+    consumed = root_window->DispatchGestureEvent(event8);
+
+    EXPECT_TRUE(consumed);
+    EXPECT_EQ(3, delegate->handle_percent_count());
+
+    aura::TouchEvent release1(ui::ET_TOUCH_RELEASED,
+                              gfx::Point(2 * xpos, ypos + ypos_half), kTouchId,
+                              base::Time::NowFromSystemTime() - base::Time());
+    root_window->DispatchTouchEvent(&release1);
+  }
+}
+
+// Ensure that the application control operations gets properly handled.
+TEST_F(SystemGestureEventFilterTest, ApplicationControl) {
+  aura::RootWindow* root_window = Shell::GetRootWindow();
+
+  gfx::Rect screen = gfx::Screen::GetPrimaryMonitor().bounds();
+  int ypos_half = screen.height() / 2;
+
+  aura::test::TestWindowDelegate delegate;
+  scoped_ptr<aura::Window> window0(
+      aura::test::CreateTestWindowWithDelegate(
+          &delegate, 9, gfx::Rect(0, 0, 100, 100), root_window));
+  scoped_ptr<aura::Window> window1(
+      aura::test::CreateTestWindowWithDelegate(
+          &delegate, 10, gfx::Rect(0, 0, 100, 100), window0.get()));
+  scoped_ptr<aura::Window> window2(
+      aura::test::CreateTestWindowWithDelegate(
+          &delegate, 11, gfx::Rect(0, 0, 100, 100), window0.get()));
+
+  const int kTouchId = 5;
+
+  for (int pass = 0; pass < 2; pass++) {
+    // Add the launcher items and make sure the first item is the active one.
+    TestLauncherDelegate::instance()->AddLauncherItem(window1.get(),
+                                                      ash::STATUS_ACTIVE);
+    TestLauncherDelegate::instance()->AddLauncherItem(window2.get(),
+                                                      ash::STATUS_RUNNING);
+    ash::wm::ActivateWindow(window1.get());
+
+    int xpos = screen.x() - 10;
+    int delta_x = 100;
+    int ypos = screen.y();
+    if (pass) {
+      xpos = screen.right() + 40;  // Make sure the touch is out of the screen.
+      delta_x = -100;
+    }
+
+    aura::Window* active_window = ash::wm::GetActiveWindow();
+
+    // Get a target for kTouchId
+    aura::TouchEvent press(ui::ET_TOUCH_PRESSED,
+                           gfx::Point(-10, ypos + ypos_half),
+                           kTouchId,
+                           base::Time::NowFromSystemTime() - base::Time());
+    root_window->DispatchTouchEvent(&press);
+
+    aura::GestureEvent* event1 = new aura::GestureEvent(
+        ui::ET_GESTURE_SCROLL_BEGIN, xpos, ypos, 0,
+        base::Time::Now(), 0, 0, 1 << kTouchId);
+    bool consumed = root_window->DispatchGestureEvent(event1);
+
+    EXPECT_TRUE(consumed);
+    EXPECT_EQ(ash::wm::GetActiveWindow(), active_window);
+
+    // No move at the beginning will produce no events.
+    aura::GestureEvent* event2 = new aura::GestureEvent(
+        ui::ET_GESTURE_SCROLL_UPDATE,
+        xpos, ypos, 0, base::Time::Now(), 0, 0, 1 << kTouchId);
+    consumed = root_window->DispatchGestureEvent(event2);
+
+    EXPECT_TRUE(consumed);
+    EXPECT_EQ(ash::wm::GetActiveWindow(), active_window);
+
+    // A move further to the outside will not trigger an action.
+    aura::GestureEvent* event3 = new aura::GestureEvent(
+        ui::ET_GESTURE_SCROLL_UPDATE, xpos - delta_x, ypos, 0,
+        base::Time::Now(), -delta_x, 0, 1 << kTouchId);
+    consumed = root_window->DispatchGestureEvent(event3);
+
+    EXPECT_TRUE(consumed);
+    EXPECT_EQ(ash::wm::GetActiveWindow(), active_window);
+
+    // A move to the proper side will trigger an action.
+    aura::GestureEvent* event4 = new aura::GestureEvent(
+        ui::ET_GESTURE_SCROLL_UPDATE, xpos + delta_x, ypos, 0,
+        base::Time::Now(), 2 * delta_x, 0, 1 << kTouchId);
+    consumed = root_window->DispatchGestureEvent(event4);
+
+    EXPECT_TRUE(consumed);
+    EXPECT_NE(ash::wm::GetActiveWindow(), active_window);
+    active_window = ash::wm::GetActiveWindow();
+
+    // A second move to the proper side will not trigger an action.
+    aura::GestureEvent* event5 = new aura::GestureEvent(
+        ui::ET_GESTURE_SCROLL_UPDATE, xpos + 2 * delta_x, ypos, 0,
+        base::Time::Now(), delta_x, 0, 1 << kTouchId);
+    consumed = root_window->DispatchGestureEvent(event5);
+
+    EXPECT_TRUE(consumed);
+    EXPECT_EQ(ash::wm::GetActiveWindow(), active_window);
+
+    aura::TouchEvent release(ui::ET_TOUCH_RELEASED,
+                             gfx::Point(2 * xpos, ypos + ypos_half), kTouchId,
+                             base::Time::NowFromSystemTime() - base::Time());
+    root_window->DispatchTouchEvent(&release);
+
+    // Remove the launcher items again.
+    TestLauncherDelegate::instance()->OnWillRemoveWindow(window1.get());
+    TestLauncherDelegate::instance()->OnWillRemoveWindow(window2.get());
+  }
+}
+
+}  // namespace test
 }  // namespace ash