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// Copyright 2023 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/gfx/x/geometry_cache.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/x/connection.h"
#include "ui/gfx/x/xproto.h"
namespace x11 {
namespace {
class ScopedWindow {
public:
ScopedWindow(Connection* connection, Window parent, const gfx::Rect& bounds)
: connection_(connection) {
id_ = connection_->GenerateId<Window>();
connection_->CreateWindow({
.wid = id_,
.parent = parent,
.x = static_cast<int16_t>(bounds.x()),
.y = static_cast<int16_t>(bounds.y()),
.width = static_cast<uint16_t>(bounds.width()),
.height = static_cast<uint16_t>(bounds.height()),
.c_class = WindowClass::InputOnly,
.override_redirect = Bool32(true),
});
}
ScopedWindow(ScopedWindow&&) = delete;
ScopedWindow& operator=(ScopedWindow&&) = delete;
~ScopedWindow() { connection_->DestroyWindow(id_); }
Window id() const { return id_; }
private:
const raw_ptr<Connection> connection_;
Window id_;
};
} // namespace
TEST(GeometryCacheTest, ConstructAndDestruct) {
Connection* connection = Connection::Get();
ScopedWindow window(connection, connection->default_root(),
gfx::Rect(12, 34, 56, 78));
GeometryCache geometry_cache(
connection, window.id(),
base::BindRepeating([](const std::optional<gfx::Rect>& old_bounds,
const gfx::Rect& new_bounds) {}));
}
TEST(GeometryCacheTest, GetBounds) {
Connection* connection = Connection::Get();
gfx::Rect bounds(12, 34, 56, 78);
ScopedWindow window(connection, connection->default_root(), bounds);
GeometryCache geometry_cache(
connection, window.id(),
base::BindRepeating([](const std::optional<gfx::Rect>& old_bounds,
const gfx::Rect& new_bounds) {}));
// Calling GetBoundsPx() should return the initial bounds of the window.
EXPECT_EQ(geometry_cache.GetBoundsPx(), bounds);
// Simulate setting window geometry.
gfx::Rect new_geometry(10, 10, 100, 100);
connection->ConfigureWindow({
.window = window.id(),
.x = new_geometry.x(),
.y = new_geometry.y(),
.width = new_geometry.width(),
.height = new_geometry.height(),
});
connection->Sync();
connection->DispatchAll();
// The geometry cache should now reflect the new geometry.
EXPECT_EQ(geometry_cache.GetBoundsPx(), new_geometry);
}
TEST(GeometryCacheTest, BoundsChangedCallback) {
Connection* connection = Connection::Get();
gfx::Rect bounds(12, 34, 56, 78);
ScopedWindow window(connection, connection->default_root(), bounds);
std::optional<gfx::Rect> last_bounds;
auto bounds_changed_callback = [](std::optional<gfx::Rect>* last_bounds,
const std::optional<gfx::Rect>& old_bounds,
const gfx::Rect& new_bounds) {
*last_bounds = new_bounds;
};
GeometryCache geometry_cache(
connection, window.id(),
base::BindRepeating(bounds_changed_callback, &last_bounds));
// Initially, no bounds change should have been recorded.
EXPECT_FALSE(last_bounds.has_value());
EXPECT_EQ(geometry_cache.GetBoundsPx(), bounds);
// `last_bounds` should have gotten set after the call to GetBoundsPx().
// Reset it for the next part of the test.
EXPECT_TRUE(last_bounds.has_value());
last_bounds = std::nullopt;
// Simulate setting window geometry.
gfx::Rect new_geometry(10, 10, 100, 100);
connection->ConfigureWindow({
.window = window.id(),
.x = new_geometry.x(),
.y = new_geometry.y(),
.width = new_geometry.width(),
.height = new_geometry.height(),
});
connection->Sync();
connection->DispatchAll();
// The callback should have been invoked with the new geometry.
ASSERT_TRUE(last_bounds.has_value());
EXPECT_EQ(last_bounds.value(), new_geometry);
}
TEST(GeometryCacheTest, NestedWindows) {
Connection* connection = Connection::Get();
gfx::Rect parent_bounds(12, 34, 56, 78);
ScopedWindow parent_window(connection, connection->default_root(),
parent_bounds);
gfx::Rect child_bounds(5, 5, 30, 30);
ScopedWindow child_window(connection, parent_window.id(), child_bounds);
// Set up the GeometryCache for the child window.
GeometryCache child_geometry_cache(
connection, child_window.id(),
base::BindRepeating([](const std::optional<gfx::Rect>& old_bounds,
const gfx::Rect& new_bounds) {}));
// Initial bounds should be the sum of child window position and parent window
// position.
EXPECT_EQ(child_geometry_cache.GetBoundsPx(),
child_bounds + gfx::Vector2d(parent_bounds.x(), parent_bounds.y()));
// Simulate moving the child window within the parent window.
gfx::Rect new_child_bounds(10, 10, 40, 40);
connection->ConfigureWindow({
.window = child_window.id(),
.x = new_child_bounds.x(),
.y = new_child_bounds.y(),
.width = new_child_bounds.width(),
.height = new_child_bounds.height(),
});
connection->Sync();
connection->DispatchAll();
// Verify the child window's new bounds are updated correctly.
EXPECT_EQ(
child_geometry_cache.GetBoundsPx(),
new_child_bounds + gfx::Vector2d(parent_bounds.x(), parent_bounds.y()));
}
} // namespace x11
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