mus: Add watcher for all touch events.

services/ui/public/cpp/tests/window_tree_client_unittest.cc

 // Copyright 2015 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 "services/ui/public/cpp/window_tree_client.h"
 
 #include <stdint.h>
 
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 432 matching lines @@
   WindowTreeSetup setup;
   Window* root = setup.GetFirstRoot();
   ASSERT_TRUE(root);
 
   TestInputEventHandler event_handler;
   root->set_input_event_handler(&event_handler);
 
   std::unique_ptr<ui::Event> ui_event(
       new ui::MouseEvent(ui::ET_MOUSE_MOVED, gfx::Point(), gfx::Point(),
                          ui::EventTimeForNow(), ui::EF_NONE, 0));
+  mojo::Array<uint32_t> event_observer_ids;
+  event_observer_ids.push_back(0);
   setup.window_tree_client()->OnWindowInputEvent(
-      1, server_id(root), ui::Event::Clone(*ui_event.get()), 0);
+      1, server_id(root), ui::Event::Clone(*ui_event.get()),
+      std::move(event_observer_ids));
   EXPECT_TRUE(event_handler.received_event());
   EXPECT_TRUE(setup.window_tree()->WasEventAcked(1));
   event_handler.Reset();
 
   event_handler.set_should_manually_ack();
   setup.window_tree_client()->OnWindowInputEvent(
-      33, server_id(root), ui::Event::Clone(*ui_event.get()), 0);
+      33, server_id(root), ui::Event::Clone(*ui_event.get()),
+      std::move(event_observer_ids));
   EXPECT_TRUE(event_handler.received_event());
   EXPECT_FALSE(setup.window_tree()->WasEventAcked(33));
 
   event_handler.AckEvent();
   EXPECT_TRUE(setup.window_tree()->WasEventAcked(33));
 }
 
 // Tests event observers triggered by events that did not hit a target in this
 // window tree.
 TEST_F(WindowTreeClientTest, OnEventObserved) {
   WindowTreeSetup setup;
   Window* root = setup.GetFirstRoot();
   ASSERT_TRUE(root);
 
   // Set up an event observer.
   mojom::EventMatcherPtr matcher = mojom::EventMatcher::New();
   matcher->type_matcher = mojom::EventTypeMatcher::New();
   matcher->type_matcher->type = ui::mojom::EventType::POINTER_DOWN;
-  setup.client()->SetEventObserver(std::move(matcher));
+  uint32_t observer_id = setup.client()->AddEventObserver(std::move(matcher));
 
   // Simulate the server sending an observed event.
   uint32_t event_observer_id = setup.GetEventObserverId();
+  mojo::Array<uint32_t> event_observer_ids;
+  event_observer_ids.push_back(event_observer_id);
   std::unique_ptr<ui::Event> ui_event(
       new ui::MouseEvent(ui::ET_MOUSE_PRESSED, gfx::Point(), gfx::Point(),
                          ui::EventTimeForNow(), ui::EF_CONTROL_DOWN, 0));
   setup.window_tree_client()->OnEventObserved(ui::Event::Clone(*ui_event.get()),
-                                              event_observer_id);
+                                              std::move(event_observer_ids));
 
   // Delegate sensed the event.
   ui::Event* last_event = setup.window_tree_delegate()->last_event_observed();
   EXPECT_EQ(ui::ET_MOUSE_PRESSED, last_event->type());
   EXPECT_EQ(ui::EF_CONTROL_DOWN, last_event->flags());
   setup.window_tree_delegate()->Reset();
 
   // Clear the event observer.
-  setup.client()->SetEventObserver(nullptr);
+  setup.client()->RemoveEventObserver(observer_id);
 
   // Simulate another event from the server.
   setup.window_tree_client()->OnEventObserved(ui::Event::Clone(*ui_event.get()),
-                                              event_observer_id);
+                                              std::move(event_observer_ids));
 
   // No event was sensed.
   EXPECT_FALSE(setup.window_tree_delegate()->last_event_observed());
 }
 
 // Tests event observers triggered by events that hit this window tree.
 TEST_F(WindowTreeClientTest, OnWindowInputEventWithEventObserver) {
   WindowTreeSetup setup;
   Window* root = setup.GetFirstRoot();
   ASSERT_TRUE(root);
 
   // Set up an event observer.
   mojom::EventMatcherPtr matcher = mojom::EventMatcher::New();
   matcher->type_matcher = mojom::EventTypeMatcher::New();
   matcher->type_matcher->type = ui::mojom::EventType::POINTER_DOWN;
-  setup.client()->SetEventObserver(std::move(matcher));
+  setup.client()->AddEventObserver(std::move(matcher));
 
   // Simulate the server dispatching an event that also matched the observer.
   uint32_t event_observer_id = setup.GetEventObserverId();
+  mojo::Array<uint32_t> event_observer_ids;
+  event_observer_ids.push_back(event_observer_id);
   std::unique_ptr<ui::Event> ui_event(
       new ui::MouseEvent(ui::ET_MOUSE_PRESSED, gfx::Point(), gfx::Point(),
                          ui::EventTimeForNow(), ui::EF_CONTROL_DOWN, 0));
   setup.window_tree_client()->OnWindowInputEvent(
-      1, server_id(root), std::move(ui_event), event_observer_id);
+      1, server_id(root), std::move(ui_event), std::move(event_observer_ids));
 
   // Delegate sensed the event.
   ui::Event* last_event = setup.window_tree_delegate()->last_event_observed();
   EXPECT_EQ(ui::ET_MOUSE_PRESSED, last_event->type());
   EXPECT_EQ(ui::EF_CONTROL_DOWN, last_event->flags());
 }
 
-// Tests that replacing an event observer with a new one results in only new
-// events being observed.
-TEST_F(WindowTreeClientTest, EventObserverReplaced) {
+// Tests that adding another event observer should observe both events.
+TEST_F(WindowTreeClientTest, EventObserverMult) {
   WindowTreeSetup setup;
   Window* root = setup.GetFirstRoot();
   ASSERT_TRUE(root);
 
   // Set up an event observer.
   mojom::EventMatcherPtr matcher1 = mojom::EventMatcher::New();
   matcher1->type_matcher = mojom::EventTypeMatcher::New();
   matcher1->type_matcher->type = ui::mojom::EventType::POINTER_DOWN;
-  setup.client()->SetEventObserver(std::move(matcher1));
+  setup.client()->AddEventObserver(std::move(matcher1));
   uint32_t event_observer_id1 = setup.GetEventObserverId();
+  mojo::Array<uint32_t> event_observer_ids1;
+  event_observer_ids1.push_back(event_observer_id1);
 
-  // Replace it with a second observer.
+  // Add a second observer.
   mojom::EventMatcherPtr matcher2 = mojom::EventMatcher::New();
   matcher2->type_matcher = mojom::EventTypeMatcher::New();
   matcher2->type_matcher->type = ui::mojom::EventType::POINTER_UP;
-  setup.client()->SetEventObserver(std::move(matcher2));
+  setup.client()->AddEventObserver(std::move(matcher2));
   uint32_t event_observer_id2 = setup.GetEventObserverId();
+  mojo::Array<uint32_t> event_observer_ids2;
+  event_observer_ids2.push_back(event_observer_id2);
 
   // Simulate the server sending an observed event that matched the old observer
   // (e.g. that was in-flight when the observer was replaced).
   std::unique_ptr<ui::Event> pressed_event(
       new ui::MouseEvent(ui::ET_MOUSE_PRESSED, gfx::Point(), gfx::Point(),
                          ui::EventTimeForNow(), ui::EF_NONE, 0));
   setup.window_tree_client()->OnEventObserved(std::move(pressed_event),
-                                              event_observer_id1);
+                                              std::move(event_observer_ids1));
 
-  // The event was not sensed, because it does not match the current observer.
-  EXPECT_FALSE(setup.window_tree_delegate()->last_event_observed());
+  // The event should be sensed, because it matches the first observer.
+  EXPECT_TRUE(setup.window_tree_delegate()->last_event_observed());
+  // The delegate sensed the event.
+  ui::Event* last_event = setup.window_tree_delegate()->last_event_observed();
+  EXPECT_EQ(ui::ET_MOUSE_PRESSED, last_event->type());
+  EXPECT_EQ(ui::EF_NONE, last_event->flags());
 
-  // Simulate another event that matches the new observer.
+  // Simulate another event that matches the second observer.
   std::unique_ptr<ui::Event> released_event(
       new ui::MouseEvent(ui::ET_MOUSE_RELEASED, gfx::Point(), gfx::Point(),
                          ui::EventTimeForNow(), ui::EF_CONTROL_DOWN, 0));
   setup.window_tree_client()->OnEventObserved(std::move(released_event),
-                                              event_observer_id2);
+                                              std::move(event_observer_ids2));
 
+  EXPECT_TRUE(setup.window_tree_delegate()->last_event_observed());
   // The delegate sensed the event.
-  ui::Event* last_event = setup.window_tree_delegate()->last_event_observed();
+  last_event = setup.window_tree_delegate()->last_event_observed();
   EXPECT_EQ(ui::ET_MOUSE_RELEASED, last_event->type());
   EXPECT_EQ(ui::EF_CONTROL_DOWN, last_event->flags());
 }
 
 // Verifies focus is reverted if the server replied that the change failed.
 TEST_F(WindowTreeClientTest, SetFocusFailed) {
   WindowTreeSetup setup;
   Window* root = setup.GetFirstRoot();
   ASSERT_TRUE(root);
   root->SetVisible(true);
@@ skipping 458 matching lines @@
 
   // Create a new Window, and attempt to place capture on that.
   Window* child = setup.client()->NewWindow();
   child->SetVisible(true);
   root->AddChild(child);
   child->SetCapture();
   EXPECT_TRUE(child->HasCapture());
 }
 
 }  // namespace ui