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// Copyright (c) 2013 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 "ui/wm/core/cursor_manager.h"
#include "ui/aura/client/cursor_client_observer.h"
#include "ui/aura/test/aura_test_base.h"
#include "ui/wm/core/native_cursor_manager.h"
namespace {
class TestingCursorManager : public wm::NativeCursorManager {
public:
// Overridden from wm::NativeCursorManager:
void SetDisplay(const gfx::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 SetCursorSet(ui::CursorSetType cursor_set,
wm::NativeCursorManagerDelegate* delegate) override {
delegate->CommitCursorSet(cursor_set);
}
};
} // namespace
class CursorManagerTest : public aura::test::AuraTestBase {
protected:
CursorManagerTest()
: delegate_(new TestingCursorManager),
cursor_manager_(scoped_ptr<wm::NativeCursorManager>(
delegate_)) {
}
TestingCursorManager* delegate_;
wm::CursorManager cursor_manager_;
};
class TestingCursorClientObserver : public aura::client::CursorClientObserver {
public:
TestingCursorClientObserver()
: cursor_visibility_(false),
did_visibility_change_(false) {}
void reset() { cursor_visibility_ = did_visibility_change_ = false; }
bool is_cursor_visible() const { return cursor_visibility_; }
bool did_visibility_change() const { return did_visibility_change_; }
// Overridden from aura::client::CursorClientObserver:
void OnCursorVisibilityChanged(bool is_visible) override {
cursor_visibility_ = is_visible;
did_visibility_change_ = true;
}
private:
bool cursor_visibility_;
bool did_visibility_change_;
DISALLOW_COPY_AND_ASSIGN(TestingCursorClientObserver);
};
TEST_F(CursorManagerTest, ShowHideCursor) {
cursor_manager_.SetCursor(ui::kCursorCopy);
EXPECT_EQ(ui::kCursorCopy, cursor_manager_.GetCursor().native_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::kCursorCopy, cursor_manager_.GetCursor().native_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::kCursorCopy);
EXPECT_EQ(ui::kCursorCopy, cursor_manager_.GetCursor().native_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::kCursorCopy, cursor_manager_.GetCursor().native_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, SetCursorSet) {
EXPECT_EQ(ui::CURSOR_SET_NORMAL, cursor_manager_.GetCursorSet());
cursor_manager_.SetCursorSet(ui::CURSOR_SET_NORMAL);
EXPECT_EQ(ui::CURSOR_SET_NORMAL, cursor_manager_.GetCursorSet());
cursor_manager_.SetCursorSet(ui::CURSOR_SET_LARGE);
EXPECT_EQ(ui::CURSOR_SET_LARGE, cursor_manager_.GetCursorSet());
cursor_manager_.SetCursorSet(ui::CURSOR_SET_NORMAL);
EXPECT_EQ(ui::CURSOR_SET_NORMAL, cursor_manager_.GetCursorSet());
}
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) {
// Add two observers. Both should have OnCursorVisibilityChanged()
// invoked when the visibility of the cursor changes.
TestingCursorClientObserver observer_a;
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());
// 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());
// 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());
// 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());
}
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