Introduce 'grab_inputs' property for athena container.

athena/screen/screen_manager_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 "athena/screen/public/screen_manager.h"
 
+#include <algorithm>
 #include <string>
 
+#include "athena/common/container_priorities.h"
 #include "athena/test/athena_test_base.h"
+#include "ui/aura/test/event_generator.h"
+#include "ui/aura/test/test_window_delegate.h"
 #include "ui/aura/window.h"
+#include "ui/wm/core/window_util.h"
 
 typedef athena::test::AthenaTestBase ScreenManagerTest;
 
 namespace athena {
 namespace {
 
+const int kTestZOrderPriority = 10;
+
 aura::Window* Create(const std::string& name, int z_order_priority) {
   ScreenManager::ContainerParams params(name, z_order_priority);
   return ScreenManager::Get()->CreateContainer(params);
 }
 
+aura::Window* CreateTestWindow(aura::Window* container,
+                               aura::WindowDelegate* delegate,
+                               const gfx::Rect& bounds) {
+  aura::Window* window = new aura::Window(delegate);
+  window->SetType(ui::wm::WINDOW_TYPE_NORMAL);
+  window->Init(aura::WINDOW_LAYER_TEXTURED);
+  container->AddChild(window);
+  window->Show();
+  window->SetBounds(bounds);
+  return window;
+}
+
 void CheckZOrder(aura::Window* w1, aura::Window* w2) {
   aura::Window* parent = w1->parent();
   const aura::Window::Windows& children = parent->children();
   aura::Window::Windows::const_iterator begin_iter = children.begin();
   aura::Window::Windows::const_iterator end_iter = children.end();
 
   aura::Window::Windows::const_iterator w1_iter =
       std::find(begin_iter, end_iter, w1);
   aura::Window::Windows::const_iterator w2_iter =
       std::find(begin_iter, end_iter, w2);
   EXPECT_NE(end_iter, w1_iter);
   EXPECT_NE(end_iter, w2_iter);
   EXPECT_TRUE(w1_iter < w2_iter);
 }
 
 }  // namespace
 
+TEST_F(ScreenManagerTest, CreateContainer) {
+  size_t num_containers = root_window()->children().size();
+
+  aura::Window* container = Create("test", kTestZOrderPriority);
+  EXPECT_EQ("test", container->name());
+
+  const aura::Window::Windows& containers = root_window()->children();
+  EXPECT_EQ(num_containers + 1, containers.size());
+  EXPECT_NE(containers.end(),
+            std::find(containers.begin(), containers.end(), container));
+}
+
 TEST_F(ScreenManagerTest, Zorder) {
   aura::Window* window_10 = Create("test10", 10);
   aura::Window* window_11 = Create("test11", 11);
   aura::Window* window_12 = Create("test12", 12);
 
   {
     SCOPED_TRACE("Init");
     CheckZOrder(window_10, window_11);
     CheckZOrder(window_11, window_12);
   }
   {
     SCOPED_TRACE("Delete");
     delete window_11;
     CheckZOrder(window_10, window_12);
   }
   {
     SCOPED_TRACE("Insert");
     window_11 = Create("test11", 11);
     CheckZOrder(window_10, window_11);
     CheckZOrder(window_11, window_12);
   }
 }
 
+TEST_F(ScreenManagerTest, NonActivatableContainer) {
+  ScreenManager::ContainerParams non_activatable(
+      "non_activatable", kTestZOrderPriority);
+  non_activatable.can_activate_children = false;
+  aura::Window* no_activatable_container =
+      ScreenManager::Get()->CreateContainer(non_activatable);
+
+  ScreenManager::ContainerParams activatable(
+      "activatable", kTestZOrderPriority + 1);
+  activatable.can_activate_children = true;
+  aura::Window* activatable_container =
+      ScreenManager::Get()->CreateContainer(activatable);
+
+  scoped_ptr<aura::Window> window(CreateTestWindow(
+      no_activatable_container, NULL, gfx::Rect(0, 0, 100, 100)));
+  EXPECT_FALSE(wm::CanActivateWindow(window.get()));
+
+  activatable_container->AddChild(window.get());
+  EXPECT_TRUE(wm::CanActivateWindow(window.get()));
+}
+
+TEST_F(ScreenManagerTest, GrabInputContainer) {
+  ScreenManager::ContainerParams normal_params(
+      "normal", kTestZOrderPriority);
+  normal_params.can_activate_children = true;
+  aura::Window* normal_container =
+      ScreenManager::Get()->CreateContainer(normal_params);
+
+  aura::test::EventCountDelegate normal_delegate;
+  scoped_ptr<aura::Window> normal_window(CreateTestWindow(
+      normal_container, &normal_delegate, gfx::Rect(0, 0, 100, 100)));
+
+  EXPECT_TRUE(wm::CanActivateWindow(normal_window.get()));
+  wm::ActivateWindow(normal_window.get());
+  aura::test::EventGenerator event_generator(root_window());
+  event_generator.MoveMouseTo(0, 0);
+  event_generator.ClickLeftButton();
+  EXPECT_EQ("1 1", normal_delegate.GetMouseButtonCountsAndReset());
+  event_generator.PressKey(ui::VKEY_A, ui::EF_NONE);
+  event_generator.ReleaseKey(ui::VKEY_A, ui::EF_NONE);
+  EXPECT_EQ("1 1", normal_delegate.GetKeyCountsAndReset());
+
+  ScreenManager::ContainerParams grab_params(
+      "grabbing", kTestZOrderPriority + 1);
+  grab_params.can_activate_children = true;
+  grab_params.grab_inputs = true;
+  aura::Window* grab_container =
+      ScreenManager::Get()->CreateContainer(grab_params);
+
+  EXPECT_FALSE(wm::CanActivateWindow(normal_window.get()));
+
+  aura::test::EventCountDelegate grab_delegate;
+  scoped_ptr<aura::Window> grab_window(CreateTestWindow(
+      grab_container, &grab_delegate, gfx::Rect(10, 10, 100, 100)));
+  EXPECT_TRUE(wm::CanActivateWindow(grab_window.get()));
+
+  wm::ActivateWindow(grab_window.get());
+
+  // (0, 0) is still on normal_window, but the event should not go there
+  // because grabbing_container prevents it.
+  event_generator.MoveMouseTo(0, 0);
+  event_generator.ClickLeftButton();
+  EXPECT_EQ("0 0", normal_delegate.GetMouseButtonCountsAndReset());
+  EXPECT_EQ("0 0", grab_delegate.GetMouseButtonCountsAndReset());
+
+  event_generator.MoveMouseTo(20, 20);
+  event_generator.ClickLeftButton();
+  EXPECT_EQ("1 1", grab_delegate.GetMouseButtonCountsAndReset());
+
+  event_generator.PressKey(ui::VKEY_A, ui::EF_NONE);
+  event_generator.ReleaseKey(ui::VKEY_A, ui::EF_NONE);
+  EXPECT_EQ("0 0", normal_delegate.GetKeyCountsAndReset());
+  EXPECT_EQ("1 1", grab_delegate.GetKeyCountsAndReset());
+}
+
+TEST_F(ScreenManagerTest, GrabShouldNotBlockVirtualKeyboard) {
+  ScreenManager::ContainerParams grab_params("grabbing", kTestZOrderPriority);
+  grab_params.can_activate_children = true;
+  grab_params.grab_inputs = true;
+  aura::Window* grab_container =
+      ScreenManager::Get()->CreateContainer(grab_params);
+
+  aura::test::EventCountDelegate grab_delegate;
+  scoped_ptr<aura::Window> grab_window(CreateTestWindow(
+      grab_container, &grab_delegate, gfx::Rect(0, 0, 100, 100)));
+  EXPECT_TRUE(wm::CanActivateWindow(grab_window.get()));
+
+  // Create a normal container appearing over the |grab_container|. This is
+  // essentially the case of virtual keyboard.
+  ScreenManager::ContainerParams vk_params(
+      "virtual keyboard", kTestZOrderPriority + 1);
+  vk_params.can_activate_children = true;
+  aura::Window* vk_container = ScreenManager::Get()->CreateContainer(vk_params);
+
+  aura::test::EventCountDelegate vk_delegate;
+  scoped_ptr<aura::Window> vk_window(CreateTestWindow(
+      vk_container, &vk_delegate, gfx::Rect(0, 20, 100, 80)));
+  EXPECT_TRUE(wm::CanActivateWindow(vk_window.get()));
+
+  aura::test::EventGenerator event_generator(root_window());
+  event_generator.MoveMouseTo(10, 25);
+  event_generator.ClickLeftButton();
+  EXPECT_EQ("0 0", grab_delegate.GetMouseButtonCountsAndReset());
+  EXPECT_EQ("1 1", vk_delegate.GetMouseButtonCountsAndReset());
+}
+
+TEST_F(ScreenManagerTest, GrabAndMouseCapture) {
+  ScreenManager::ContainerParams normal_params(
+      "normal", kTestZOrderPriority);
+  normal_params.can_activate_children = true;
+  aura::Window* normal_container =
+      ScreenManager::Get()->CreateContainer(normal_params);
+
+  aura::test::EventCountDelegate normal_delegate;
+  scoped_ptr<aura::Window> normal_window(CreateTestWindow(
+      normal_container, &normal_delegate, gfx::Rect(0, 0, 100, 100)));
+
+  aura::test::EventGenerator event_generator(root_window());
+  event_generator.MoveMouseTo(0, 0);
+  event_generator.PressLeftButton();
+
+  // Creating grabbing container while mouse pressing.
+  ScreenManager::ContainerParams grab_params(
+      "grabbing", kTestZOrderPriority + 1);
+  grab_params.can_activate_children = true;
+  grab_params.grab_inputs = true;
+  aura::Window* grab_container =
+      ScreenManager::Get()->CreateContainer(grab_params);
+
+  aura::test::EventCountDelegate grab_delegate;
+  scoped_ptr<aura::Window> grab_window(CreateTestWindow(
+      grab_container, &grab_delegate, gfx::Rect(10, 10, 100, 100)));
+
+  // Release event should be sent to |normal_window| because it captures the
+  // mouse event.
+  event_generator.ReleaseLeftButton();
+  EXPECT_EQ("1 1", normal_delegate.GetMouseButtonCountsAndReset());
+  EXPECT_EQ("0 0", grab_delegate.GetMouseButtonCountsAndReset());
+
+  // After release, further mouse events should not be sent to |normal_window|
+  // because grab_container grabs the input.
+  event_generator.ClickLeftButton();
+  EXPECT_EQ("0 0", normal_delegate.GetMouseButtonCountsAndReset());
+  EXPECT_EQ("0 0", grab_delegate.GetMouseButtonCountsAndReset());
+}
+
 }  // namespace athena