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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/wm/core/cursor_manager.h"
#include "base/memory/ptr_util.h"
#include "base/memory/raw_ptr.h"
#include "ui/aura/client/cursor_client_observer.h"
#include "ui/aura/test/aura_test_base.h"
#include "ui/base/cursor/cursor_size.h"
#include "ui/base/cursor/mojom/cursor_type.mojom-shared.h"
#include "ui/wm/core/native_cursor_manager.h"
#include "ui/wm/test/testing_cursor_client_observer.h"
namespace {
class TestingCursorManager : public wm::NativeCursorManager {
public:
// Overridden from wm::NativeCursorManager:
void SetDisplay(const display::Display& display,
wm::NativeCursorManagerDelegate* delegate) override {}
void SetCursor(gfx::NativeCursor cursor,
wm::NativeCursorManagerDelegate* delegate) override {
delegate->CommitCursor(cursor);
}
void SetVisibility(bool visible,
wm::NativeCursorManagerDelegate* delegate) override {
delegate->CommitVisibility(visible);
}
void SetMouseEventsEnabled(
bool enabled,
wm::NativeCursorManagerDelegate* delegate) override {
delegate->CommitMouseEventsEnabled(enabled);
}
void SetCursorSize(ui::CursorSize cursor_size,
wm::NativeCursorManagerDelegate* delegate) override {
delegate->CommitCursorSize(cursor_size);
}
void SetLargeCursorSizeInDip(
int large_cursor_size_in_dip,
wm::NativeCursorManagerDelegate* delegate) override {
delegate->CommitLargeCursorSizeInDip(large_cursor_size_in_dip);
}
void SetCursorColor(SkColor color,
wm::NativeCursorManagerDelegate* delegate) override {
NOTIMPLEMENTED();
}
};
} // namespace
class CursorManagerTest : public aura::test::AuraTestBase {
protected:
CursorManagerTest()
: cursor_manager_(std::make_unique<TestingCursorManager>()) {}
wm::CursorManager cursor_manager_;
};
TEST_F(CursorManagerTest, ShowHideCursor) {
cursor_manager_.SetCursor(ui::mojom::CursorType::kCopy);
EXPECT_EQ(ui::mojom::CursorType::kCopy, cursor_manager_.GetCursor().type());
cursor_manager_.ShowCursor();
EXPECT_TRUE(cursor_manager_.IsCursorVisible());
cursor_manager_.HideCursor();
EXPECT_FALSE(cursor_manager_.IsCursorVisible());
// The current cursor does not change even when the cursor is not shown.
EXPECT_EQ(ui::mojom::CursorType::kCopy, cursor_manager_.GetCursor().type());
// Check if cursor visibility is locked.
cursor_manager_.LockCursor();
EXPECT_FALSE(cursor_manager_.IsCursorVisible());
cursor_manager_.ShowCursor();
EXPECT_FALSE(cursor_manager_.IsCursorVisible());
cursor_manager_.UnlockCursor();
EXPECT_TRUE(cursor_manager_.IsCursorVisible());
cursor_manager_.LockCursor();
EXPECT_TRUE(cursor_manager_.IsCursorVisible());
cursor_manager_.HideCursor();
EXPECT_TRUE(cursor_manager_.IsCursorVisible());
cursor_manager_.UnlockCursor();
EXPECT_FALSE(cursor_manager_.IsCursorVisible());
// Checks setting visiblity while cursor is locked does not affect the
// subsequent uses of UnlockCursor.
cursor_manager_.LockCursor();
cursor_manager_.HideCursor();
cursor_manager_.UnlockCursor();
EXPECT_FALSE(cursor_manager_.IsCursorVisible());
cursor_manager_.ShowCursor();
cursor_manager_.LockCursor();
cursor_manager_.UnlockCursor();
EXPECT_TRUE(cursor_manager_.IsCursorVisible());
cursor_manager_.LockCursor();
cursor_manager_.ShowCursor();
cursor_manager_.UnlockCursor();
EXPECT_TRUE(cursor_manager_.IsCursorVisible());
cursor_manager_.HideCursor();
cursor_manager_.LockCursor();
cursor_manager_.UnlockCursor();
EXPECT_FALSE(cursor_manager_.IsCursorVisible());
}
// Verifies that LockCursor/UnlockCursor work correctly with
// EnableMouseEvents and DisableMouseEvents
TEST_F(CursorManagerTest, EnableDisableMouseEvents) {
cursor_manager_.SetCursor(ui::mojom::CursorType::kCopy);
EXPECT_EQ(ui::mojom::CursorType::kCopy, cursor_manager_.GetCursor().type());
cursor_manager_.EnableMouseEvents();
EXPECT_TRUE(cursor_manager_.IsMouseEventsEnabled());
cursor_manager_.DisableMouseEvents();
EXPECT_FALSE(cursor_manager_.IsMouseEventsEnabled());
// The current cursor does not change even when the cursor is not shown.
EXPECT_EQ(ui::mojom::CursorType::kCopy, cursor_manager_.GetCursor().type());
// Check if cursor enable state is locked.
cursor_manager_.LockCursor();
EXPECT_FALSE(cursor_manager_.IsMouseEventsEnabled());
cursor_manager_.EnableMouseEvents();
EXPECT_FALSE(cursor_manager_.IsMouseEventsEnabled());
cursor_manager_.UnlockCursor();
EXPECT_TRUE(cursor_manager_.IsMouseEventsEnabled());
cursor_manager_.LockCursor();
EXPECT_TRUE(cursor_manager_.IsMouseEventsEnabled());
cursor_manager_.DisableMouseEvents();
EXPECT_TRUE(cursor_manager_.IsMouseEventsEnabled());
cursor_manager_.UnlockCursor();
EXPECT_FALSE(cursor_manager_.IsMouseEventsEnabled());
// Checks enabling cursor while cursor is locked does not affect the
// subsequent uses of UnlockCursor.
cursor_manager_.LockCursor();
cursor_manager_.DisableMouseEvents();
cursor_manager_.UnlockCursor();
EXPECT_FALSE(cursor_manager_.IsMouseEventsEnabled());
cursor_manager_.EnableMouseEvents();
cursor_manager_.LockCursor();
cursor_manager_.UnlockCursor();
EXPECT_TRUE(cursor_manager_.IsMouseEventsEnabled());
cursor_manager_.LockCursor();
cursor_manager_.EnableMouseEvents();
cursor_manager_.UnlockCursor();
EXPECT_TRUE(cursor_manager_.IsMouseEventsEnabled());
cursor_manager_.DisableMouseEvents();
cursor_manager_.LockCursor();
cursor_manager_.UnlockCursor();
EXPECT_FALSE(cursor_manager_.IsMouseEventsEnabled());
}
TEST_F(CursorManagerTest, SetCursorSize) {
wm::TestingCursorClientObserver observer;
cursor_manager_.AddObserver(&observer);
EXPECT_EQ(ui::CursorSize::kNormal, cursor_manager_.GetCursorSize());
EXPECT_EQ(ui::CursorSize::kNormal, observer.cursor_size());
cursor_manager_.SetCursorSize(ui::CursorSize::kNormal);
EXPECT_EQ(ui::CursorSize::kNormal, cursor_manager_.GetCursorSize());
EXPECT_EQ(ui::CursorSize::kNormal, observer.cursor_size());
cursor_manager_.SetCursorSize(ui::CursorSize::kLarge);
EXPECT_EQ(ui::CursorSize::kLarge, cursor_manager_.GetCursorSize());
EXPECT_EQ(ui::CursorSize::kLarge, observer.cursor_size());
cursor_manager_.SetCursorSize(ui::CursorSize::kNormal);
EXPECT_EQ(ui::CursorSize::kNormal, cursor_manager_.GetCursorSize());
EXPECT_EQ(ui::CursorSize::kNormal, observer.cursor_size());
}
TEST_F(CursorManagerTest, IsMouseEventsEnabled) {
cursor_manager_.EnableMouseEvents();
EXPECT_TRUE(cursor_manager_.IsMouseEventsEnabled());
cursor_manager_.DisableMouseEvents();
EXPECT_FALSE(cursor_manager_.IsMouseEventsEnabled());
}
// Verifies that the mouse events enable state changes correctly when
// ShowCursor/HideCursor and EnableMouseEvents/DisableMouseEvents are used
// together.
TEST_F(CursorManagerTest, ShowAndEnable) {
// Changing the visibility of the cursor does not affect the enable state.
cursor_manager_.EnableMouseEvents();
cursor_manager_.ShowCursor();
EXPECT_TRUE(cursor_manager_.IsCursorVisible());
EXPECT_TRUE(cursor_manager_.IsMouseEventsEnabled());
cursor_manager_.HideCursor();
EXPECT_FALSE(cursor_manager_.IsCursorVisible());
EXPECT_TRUE(cursor_manager_.IsMouseEventsEnabled());
cursor_manager_.ShowCursor();
EXPECT_TRUE(cursor_manager_.IsCursorVisible());
EXPECT_TRUE(cursor_manager_.IsMouseEventsEnabled());
// When mouse events are disabled, it also gets invisible.
EXPECT_TRUE(cursor_manager_.IsCursorVisible());
cursor_manager_.DisableMouseEvents();
EXPECT_FALSE(cursor_manager_.IsCursorVisible());
EXPECT_FALSE(cursor_manager_.IsMouseEventsEnabled());
// When mouse events are enabled, it restores the visibility state.
cursor_manager_.EnableMouseEvents();
EXPECT_TRUE(cursor_manager_.IsCursorVisible());
EXPECT_TRUE(cursor_manager_.IsMouseEventsEnabled());
cursor_manager_.ShowCursor();
cursor_manager_.DisableMouseEvents();
EXPECT_FALSE(cursor_manager_.IsCursorVisible());
EXPECT_FALSE(cursor_manager_.IsMouseEventsEnabled());
cursor_manager_.EnableMouseEvents();
EXPECT_TRUE(cursor_manager_.IsCursorVisible());
EXPECT_TRUE(cursor_manager_.IsMouseEventsEnabled());
cursor_manager_.HideCursor();
cursor_manager_.DisableMouseEvents();
EXPECT_FALSE(cursor_manager_.IsCursorVisible());
EXPECT_FALSE(cursor_manager_.IsMouseEventsEnabled());
cursor_manager_.EnableMouseEvents();
EXPECT_FALSE(cursor_manager_.IsCursorVisible());
EXPECT_TRUE(cursor_manager_.IsMouseEventsEnabled());
// When mouse events are disabled, ShowCursor is ignored.
cursor_manager_.DisableMouseEvents();
EXPECT_FALSE(cursor_manager_.IsCursorVisible());
EXPECT_FALSE(cursor_manager_.IsMouseEventsEnabled());
cursor_manager_.ShowCursor();
EXPECT_FALSE(cursor_manager_.IsCursorVisible());
EXPECT_FALSE(cursor_manager_.IsMouseEventsEnabled());
cursor_manager_.DisableMouseEvents();
EXPECT_FALSE(cursor_manager_.IsCursorVisible());
EXPECT_FALSE(cursor_manager_.IsMouseEventsEnabled());
}
// Verifies that calling DisableMouseEvents multiple times in a row makes no
// difference compared with calling it once.
// This is a regression test for http://crbug.com/169404.
TEST_F(CursorManagerTest, MultipleDisableMouseEvents) {
cursor_manager_.DisableMouseEvents();
cursor_manager_.DisableMouseEvents();
cursor_manager_.EnableMouseEvents();
cursor_manager_.LockCursor();
cursor_manager_.UnlockCursor();
EXPECT_TRUE(cursor_manager_.IsCursorVisible());
}
// Verifies that calling EnableMouseEvents multiple times in a row makes no
// difference compared with calling it once.
TEST_F(CursorManagerTest, MultipleEnableMouseEvents) {
cursor_manager_.DisableMouseEvents();
cursor_manager_.EnableMouseEvents();
cursor_manager_.EnableMouseEvents();
cursor_manager_.LockCursor();
cursor_manager_.UnlockCursor();
EXPECT_TRUE(cursor_manager_.IsCursorVisible());
}
TEST_F(CursorManagerTest, TestCursorClientObserver) {
cursor_manager_.SetCursor(ui::mojom::CursorType::kPointer);
// Add two observers. Both should have OnCursorVisibilityChanged()
// invoked when the visibility of the cursor changes.
wm::TestingCursorClientObserver observer_a;
wm::TestingCursorClientObserver observer_b;
cursor_manager_.AddObserver(&observer_a);
cursor_manager_.AddObserver(&observer_b);
// Initial state before any events have been sent.
observer_a.reset();
observer_b.reset();
EXPECT_FALSE(observer_a.did_visibility_change());
EXPECT_FALSE(observer_b.did_visibility_change());
EXPECT_FALSE(observer_a.is_cursor_visible());
EXPECT_FALSE(observer_b.is_cursor_visible());
EXPECT_FALSE(observer_a.did_cursor_size_change());
EXPECT_FALSE(observer_b.did_cursor_size_change());
// Hide the cursor using HideCursor().
cursor_manager_.HideCursor();
EXPECT_TRUE(observer_a.did_visibility_change());
EXPECT_TRUE(observer_b.did_visibility_change());
EXPECT_FALSE(observer_a.is_cursor_visible());
EXPECT_FALSE(observer_b.is_cursor_visible());
// Set the cursor size.
cursor_manager_.SetCursorSize(ui::CursorSize::kLarge);
EXPECT_TRUE(observer_a.did_cursor_size_change());
EXPECT_EQ(ui::CursorSize::kLarge, observer_a.cursor_size());
EXPECT_TRUE(observer_b.did_cursor_size_change());
EXPECT_EQ(ui::CursorSize::kLarge, observer_b.cursor_size());
// Show the cursor using ShowCursor().
observer_a.reset();
observer_b.reset();
cursor_manager_.ShowCursor();
EXPECT_TRUE(observer_a.did_visibility_change());
EXPECT_TRUE(observer_b.did_visibility_change());
EXPECT_TRUE(observer_a.is_cursor_visible());
EXPECT_TRUE(observer_b.is_cursor_visible());
// Remove observer_b. Its OnCursorVisibilityChanged() should
// not be invoked past this point.
cursor_manager_.RemoveObserver(&observer_b);
// Hide the cursor using HideCursor().
observer_a.reset();
observer_b.reset();
cursor_manager_.HideCursor();
EXPECT_TRUE(observer_a.did_visibility_change());
EXPECT_FALSE(observer_b.did_visibility_change());
EXPECT_FALSE(observer_a.is_cursor_visible());
// Set back the cursor set to normal.
cursor_manager_.SetCursorSize(ui::CursorSize::kNormal);
EXPECT_TRUE(observer_a.did_cursor_size_change());
EXPECT_EQ(ui::CursorSize::kNormal, observer_a.cursor_size());
EXPECT_FALSE(observer_b.did_cursor_size_change());
// Show the cursor using ShowCursor().
observer_a.reset();
observer_b.reset();
cursor_manager_.ShowCursor();
EXPECT_TRUE(observer_a.did_visibility_change());
EXPECT_FALSE(observer_b.did_visibility_change());
EXPECT_TRUE(observer_a.is_cursor_visible());
// Hide the cursor by changing the cursor type.
cursor_manager_.SetCursor(ui::mojom::CursorType::kPointer);
observer_a.reset();
cursor_manager_.SetCursor(ui::mojom::CursorType::kNone);
EXPECT_TRUE(observer_a.did_visibility_change());
EXPECT_FALSE(observer_a.is_cursor_visible());
// Show the cursor by changing the cursor type.
observer_a.reset();
cursor_manager_.SetCursor(ui::mojom::CursorType::kPointer);
EXPECT_TRUE(observer_a.did_visibility_change());
EXPECT_TRUE(observer_a.is_cursor_visible());
// Changing the type to another visible type doesn't cause unnecessary
// callbacks.
observer_a.reset();
cursor_manager_.SetCursor(ui::mojom::CursorType::kHand);
EXPECT_FALSE(observer_a.did_visibility_change());
EXPECT_FALSE(observer_a.is_cursor_visible());
// If the type is kNone, showing the cursor shouldn't cause observers to
// think that the cursor is now visible.
cursor_manager_.HideCursor();
cursor_manager_.SetCursor(ui::mojom::CursorType::kNone);
observer_a.reset();
cursor_manager_.ShowCursor();
EXPECT_TRUE(observer_a.did_visibility_change());
EXPECT_FALSE(observer_a.is_cursor_visible());
}
// This test validates that the cursor visiblity state is restored when a
// CursorManager instance is destroyed and recreated.
TEST(CursorManagerCreateDestroyTest, VisibilityTest) {
// This block ensures that the cursor is hidden when the CursorManager
// instance is destroyed.
{
wm::CursorManager cursor_manager1(
base::WrapUnique(new TestingCursorManager));
cursor_manager1.ShowCursor();
EXPECT_TRUE(cursor_manager1.IsCursorVisible());
cursor_manager1.HideCursor();
EXPECT_FALSE(cursor_manager1.IsCursorVisible());
}
// This block validates that the cursor is hidden initially. It ensures that
// the cursor is visible when the CursorManager instance is destroyed.
{
wm::CursorManager cursor_manager2(
base::WrapUnique(new TestingCursorManager));
EXPECT_FALSE(cursor_manager2.IsCursorVisible());
cursor_manager2.ShowCursor();
EXPECT_TRUE(cursor_manager2.IsCursorVisible());
}
// This block validates that the cursor is visible initially. It then
// performs normal cursor visibility operations.
{
wm::CursorManager cursor_manager3(
base::WrapUnique(new TestingCursorManager));
EXPECT_TRUE(cursor_manager3.IsCursorVisible());
cursor_manager3.HideCursor();
EXPECT_FALSE(cursor_manager3.IsCursorVisible());
}
}
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