Move mus to //services/ui

components/mus/ws/user_display_manager_unittest.cc

-// Copyright 2016 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 <stdint.h>
-
-#include <string>
-
-#include "base/atomicops.h"
-#include "base/macros.h"
-#include "base/message_loop/message_loop.h"
-#include "base/strings/string_number_conversions.h"
-#include "components/mus/common/types.h"
-#include "components/mus/common/util.h"
-#include "components/mus/public/interfaces/window_tree.mojom.h"
-#include "components/mus/surfaces/surfaces_state.h"
-#include "components/mus/ws/display_binding.h"
-#include "components/mus/ws/display_manager.h"
-#include "components/mus/ws/ids.h"
-#include "components/mus/ws/platform_display.h"
-#include "components/mus/ws/platform_display_factory.h"
-#include "components/mus/ws/platform_display_init_params.h"
-#include "components/mus/ws/server_window.h"
-#include "components/mus/ws/test_utils.h"
-#include "components/mus/ws/window_manager_state.h"
-#include "components/mus/ws/window_manager_window_tree_factory_set.h"
-#include "components/mus/ws/window_server.h"
-#include "components/mus/ws/window_server_delegate.h"
-#include "components/mus/ws/window_tree.h"
-#include "components/mus/ws/window_tree_binding.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "ui/gfx/geometry/rect.h"
-
-namespace mus {
-namespace ws {
-namespace test {
-namespace {
-
-class TestDisplayManagerObserver : public mojom::DisplayManagerObserver {
- public:
-  TestDisplayManagerObserver() {}
-  ~TestDisplayManagerObserver() override {}
-
-  std::string GetAndClearObserverCalls() {
-    std::string result;
-    std::swap(observer_calls_, result);
-    return result;
-  }
-
- private:
-  void AddCall(const std::string& call) {
-    if (!observer_calls_.empty())
-      observer_calls_ += "\n";
-    observer_calls_ += call;
-  }
-
-  std::string DisplayIdsToString(
-      const mojo::Array<mojom::DisplayPtr>& displays) {
-    std::string display_ids;
-    for (const auto& display : displays) {
-      if (!display_ids.empty())
-        display_ids += " ";
-      display_ids += base::Int64ToString(display->id);
-    }
-    return display_ids;
-  }
-
-  // mojom::DisplayManagerObserver:
-  void OnDisplays(mojo::Array<mojom::DisplayPtr> displays) override {
-    AddCall("OnDisplays " + DisplayIdsToString(displays));
-  }
-  void OnDisplaysChanged(mojo::Array<mojom::DisplayPtr> displays) override {
-    AddCall("OnDisplaysChanged " + DisplayIdsToString(displays));
-  }
-  void OnDisplayRemoved(int64_t id) override {
-    AddCall("OnDisplayRemoved " + base::Int64ToString(id));
-  }
-
-  std::string observer_calls_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestDisplayManagerObserver);
-};
-
-mojom::FrameDecorationValuesPtr CreateDefaultFrameDecorationValues() {
-  return mojom::FrameDecorationValues::New();
-}
-
-}  // namespace
-
-// -----------------------------------------------------------------------------
-
-class UserDisplayManagerTest : public testing::Test {
- public:
-  UserDisplayManagerTest()
-      : cursor_id_(0), platform_display_factory_(&cursor_id_) {}
-  ~UserDisplayManagerTest() override {}
-
- protected:
-  // testing::Test:
-  void SetUp() override {
-    PlatformDisplay::set_factory_for_testing(&platform_display_factory_);
-    window_server_.reset(new WindowServer(&window_server_delegate_,
-                                          scoped_refptr<SurfacesState>()));
-    window_server_delegate_.set_window_server(window_server_.get());
-  }
-
- protected:
-  int32_t cursor_id_;
-  TestPlatformDisplayFactory platform_display_factory_;
-  TestWindowServerDelegate window_server_delegate_;
-  std::unique_ptr<WindowServer> window_server_;
-  base::MessageLoop message_loop_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(UserDisplayManagerTest);
-};
-
-TEST_F(UserDisplayManagerTest, OnlyNotifyWhenFrameDecorationsSet) {
-  window_server_delegate_.set_num_displays_to_create(1);
-
-  const UserId kUserId1 = "2";
-  TestDisplayManagerObserver display_manager_observer1;
-  DisplayManager* display_manager = window_server_->display_manager();
-  WindowManagerWindowTreeFactorySetTestApi(
-      window_server_->window_manager_window_tree_factory_set())
-      .Add(kUserId1);
-  UserDisplayManager* user_display_manager1 =
-      display_manager->GetUserDisplayManager(kUserId1);
-  ASSERT_TRUE(user_display_manager1);
-  UserDisplayManagerTestApi(user_display_manager1)
-      .SetTestObserver(&display_manager_observer1);
-  // Observer should not have been notified yet.
-  EXPECT_EQ(std::string(),
-            display_manager_observer1.GetAndClearObserverCalls());
-
-  // Set the frame decoration values, which should trigger sending immediately.
-  ASSERT_EQ(1u, display_manager->displays().size());
-  window_server_->window_manager_window_tree_factory_set()
-      ->GetWindowManagerStateForUser(kUserId1)
-      ->SetFrameDecorationValues(CreateDefaultFrameDecorationValues());
-  EXPECT_EQ("OnDisplays 1",
-            display_manager_observer1.GetAndClearObserverCalls());
-
-  UserDisplayManagerTestApi(user_display_manager1).SetTestObserver(nullptr);
-}
-
-TEST_F(UserDisplayManagerTest, AddObserverAfterFrameDecorationsSet) {
-  window_server_delegate_.set_num_displays_to_create(1);
-
-  const UserId kUserId1 = "2";
-  TestDisplayManagerObserver display_manager_observer1;
-  DisplayManager* display_manager = window_server_->display_manager();
-  WindowManagerWindowTreeFactorySetTestApi(
-      window_server_->window_manager_window_tree_factory_set())
-      .Add(kUserId1);
-  UserDisplayManager* user_display_manager1 =
-      display_manager->GetUserDisplayManager(kUserId1);
-  ASSERT_TRUE(user_display_manager1);
-  ASSERT_EQ(1u, display_manager->displays().size());
-  window_server_->window_manager_window_tree_factory_set()
-      ->GetWindowManagerStateForUser(kUserId1)
-      ->SetFrameDecorationValues(CreateDefaultFrameDecorationValues());
-
-  UserDisplayManagerTestApi(user_display_manager1)
-      .SetTestObserver(&display_manager_observer1);
-  EXPECT_EQ("OnDisplays 1",
-            display_manager_observer1.GetAndClearObserverCalls());
-
-  UserDisplayManagerTestApi(user_display_manager1).SetTestObserver(nullptr);
-}
-
-TEST_F(UserDisplayManagerTest, AddRemoveDisplay) {
-  window_server_delegate_.set_num_displays_to_create(1);
-
-  const UserId kUserId1 = "2";
-  TestDisplayManagerObserver display_manager_observer1;
-  DisplayManager* display_manager = window_server_->display_manager();
-  WindowManagerWindowTreeFactorySetTestApi(
-      window_server_->window_manager_window_tree_factory_set())
-      .Add(kUserId1);
-  UserDisplayManager* user_display_manager1 =
-      display_manager->GetUserDisplayManager(kUserId1);
-  ASSERT_TRUE(user_display_manager1);
-  ASSERT_EQ(1u, display_manager->displays().size());
-  window_server_->window_manager_window_tree_factory_set()
-      ->GetWindowManagerStateForUser(kUserId1)
-      ->SetFrameDecorationValues(CreateDefaultFrameDecorationValues());
-  UserDisplayManagerTestApi(user_display_manager1)
-      .SetTestObserver(&display_manager_observer1);
-  EXPECT_EQ("OnDisplays 1",
-            display_manager_observer1.GetAndClearObserverCalls());
-
-  // Add another display.
-  Display* display2 =
-      new Display(window_server_.get(), PlatformDisplayInitParams());
-  display2->Init(nullptr);
-
-  // Observer should be notified immediately as frame decorations were set.
-  EXPECT_EQ("OnDisplaysChanged 2",
-            display_manager_observer1.GetAndClearObserverCalls());
-
-  // Remove the display and verify observer is notified.
-  display_manager->DestroyDisplay(display2);
-  display2 = nullptr;
-  EXPECT_EQ("OnDisplayRemoved 2",
-            display_manager_observer1.GetAndClearObserverCalls());
-
-  UserDisplayManagerTestApi(user_display_manager1).SetTestObserver(nullptr);
-}
-
-TEST_F(UserDisplayManagerTest, NegativeCoordinates) {
-  window_server_delegate_.set_num_displays_to_create(1);
-
-  const UserId kUserId1 = "2";
-  TestDisplayManagerObserver display_manager_observer1;
-  DisplayManager* display_manager = window_server_->display_manager();
-  WindowManagerWindowTreeFactorySetTestApi(
-      window_server_->window_manager_window_tree_factory_set())
-      .Add(kUserId1);
-  UserDisplayManager* user_display_manager1 =
-      display_manager->GetUserDisplayManager(kUserId1);
-  ASSERT_TRUE(user_display_manager1);
-
-  user_display_manager1->OnMouseCursorLocationChanged(gfx::Point(-10, -11));
-
-  base::subtle::Atomic32* cursor_location_memory = nullptr;
-  mojo::ScopedSharedBufferHandle handle =
-      user_display_manager1->GetCursorLocationMemory();
-  mojo::ScopedSharedBufferMapping cursor_location_mapping =
-      handle->Map(sizeof(base::subtle::Atomic32));
-  ASSERT_TRUE(cursor_location_mapping);
-  cursor_location_memory =
-      reinterpret_cast<base::subtle::Atomic32*>(cursor_location_mapping.get());
-
-  base::subtle::Atomic32 location =
-      base::subtle::NoBarrier_Load(cursor_location_memory);
-  EXPECT_EQ(gfx::Point(static_cast<int16_t>(location >> 16),
-                       static_cast<int16_t>(location & 0xFFFF)),
-            gfx::Point(-10, -11));
-}
-
-}  // namespace test
-}  // namespace ws
-}  // namespace mus