hit_test_query_unittest.cc | Explore in Territory

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/viz/common/hit_test/hit_test_query.h"

#include <cstdint>

#include "components/viz/common/hit_test/hit_test_region_list.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace viz {
namespace test {

class HitTestQueryTest : public testing::Test { … };

// One surface.
//
//  +e---------+
//  |          |
//  |          |
//  |          |
//  +----------+
//
TEST_F(HitTestQueryTest, OneSurface) { … }

// One embedder with two children.
//
//  +e------------+     Point   maps to
//  | +c1-+ +c2---|     -----   -------
//  |1|   | |     |      1        e
//  | | 2 | | 3   | 4    2        c1
//  | +---+ |     |      3        c2
//  +-------------+      4        none
//
TEST_F(HitTestQueryTest, OneEmbedderTwoChildren) { … }

// One embedder with a rotated child.
TEST_F(HitTestQueryTest, OneEmbedderRotatedChild) { … }

// One embedder with a clipped child with a tab and transparent background.
//
//  +e-------------+
//  |   +c---------|     Point   maps to
//  | 1 |+a--+     |     -----   -------
//  |   || 2 |  3  |       1        e
//  |   |+b--------|       2        a
//  |   ||         |       3        e ( transparent area in c )
//  |   ||   4     |       4        b
//  +--------------+
//
TEST_F(HitTestQueryTest, ClippedChildWithTabAndTransparentBackground) { … }

// One embedder with a clipped child with a tab and transparent background, and
// a child d under that.
//
//  +e-------------+
//  |      +d------|
//  |   +c-|-------|     Point   maps to
//  | 1 |+a|-+     |     -----   -------
//  |   || 2 |  3  |       1        e
//  |   |+b|-------|       2        a
//  |   || |       |       3        d
//  |   || | 4     |       4        b
//  +--------------+
//
TEST_F(HitTestQueryTest, ClippedChildWithChildUnderneath) { … }

// Tests transforming location to be in target's coordinate system given the
// target's ancestor list, in the case of ClippedChildWithChildUnderneath test.
TEST_F(HitTestQueryTest, ClippedChildWithChildUnderneathTransform) { … }

// One embedder with two clipped children with a tab and transparent background.
//
//  +e-------------+
//  |   +c1--------|     Point   maps to
//  | 1 |+a--+     |     -----   -------
//  |   || 2 |  3  |       1        e
//  |   |+b--------|       2        a
//  |   ||         |       3        e ( transparent area in c1 )
//  |   ||   4     |       4        b
//  |   +----------|       5        g
//  |   +c2--------|       6        e ( transparent area in c2 )
//  |   |+g--+     |       7        h
//  |   || 5 |  6  |
//  |   |+h--------|
//  |   ||         |
//  |   ||   7     |
//  +--------------+
//
TEST_F(HitTestQueryTest, ClippedChildrenWithTabAndTransparentBackground) { … }

// Tests transforming location to be in target's coordinate system given the
// target's ancestor list, in the case of
// ClippedChildrenWithTabAndTransparentBackground test.
TEST_F(HitTestQueryTest,
       ClippedChildrenWithTabAndTransparentBackgroundTransform) { … }

// Children that are multiple layers deep.
//
//  +e--------------------+
//  |          +c2--------|     Point   maps to
//  | +c1------|----+     |     -----   -------
//  |1| +a-----|---+|     |       1        e
//  | | |+b----|--+||     |       2        g
//  | | ||+g--+|  |||     |       3        b
//  | | ||| 2 || 3|||  4  |       4        c2
//  | | ||+---+|  |||     |
//  | | |+-----|--+||     |
//  | | +------| --+|     |
//  | +--------|----+     |
//  +---------------------+
//
TEST_F(HitTestQueryTest, MultipleLayerChild) { … }

// Multiple layers deep of transparent children.
//
//  +e--------------------+
//  |          +c2--------|     Point   maps to
//  | +c1------|----+     |     -----   -------
//  |1| +a-----|---+|     |       1        e
//  | | |+b----|--+||     |       2        e
//  | | ||+g--+|  |||     |       3        c2
//  | | ||| 2 || 3|||  4  |       4        c2
//  | | ||+---+|  |||     |
//  | | |+-----|--+||     |
//  | | +------| --+|     |
//  | +--------|----+     |
//  +---------------------+
//
TEST_F(HitTestQueryTest, MultipleLayerTransparentChild) { … }

TEST_F(HitTestQueryTest, InvalidAggregatedHitTestRegionData) { … }

// Tests flags kHitTestMouse and kHitTestTouch.
TEST_F(HitTestQueryTest, MouseTouchFlags) { … }

TEST_F(HitTestQueryTest, RootHitTestAskFlag) { … }

// One embedder with two children.
//
//  +e------------+     Point   maps to
//  | +c1-+ +c2---|     -----   -------
//  |1|   | |     |      1        e
//  | | 2 | | 3   |      2        c1
//  | +---+ |     |      3        c2
//  +-------------+
//
TEST_F(HitTestQueryTest, ChildHitTestAskFlag) { … }

// One embedder with nested OOPIFs. When the mid-level iframe has kHitTestAsk
// flag we should do async hit test and skip checking its descendants.
//
//  +e-------------+
//  |   +c---------|     Point   maps to
//  | 1 |    2     |     -----   -------
//  |   |          |       1        e
//  |   |+b--------|       2        c
//  |   ||         |       3        c
//  |   ||   3     |
//  +--------------+
//
TEST_F(HitTestQueryTest, NestedOOPIFs) { … }

// Tests getting the transform from root to a given target.
TEST_F(HitTestQueryTest, GetTransformToTarget) { … }

// Region c1 is transparent and on top of e, c2 is a child of e, d1 is a
// child of c1. Any events outside of d1 should go to either c2 or e instead
// of being taken by the transparent c1 region.
//
//  +e/c1----------+
//  |              |     Point   maps to
//  |   +c2-+      |     -----   -------
//  |   | 1 |      |       1        c2
//  |   +d1--------|       2        d1
//  |   | 2        |
//  |   |          |
//  +--------------+
//
TEST_F(HitTestQueryTest, TransparentOverlayRegions) { … }

TEST_F(HitTestQueryTest, FindTargetForLocationStartingFrom) { … }

// One embedder with nested OOPIFs. When the root view is overlapped we should
// continue checking its descendants rather than doing async hit test.
//
//  +e-------------+
//  |   +c---------|     Point   maps to
//  | 1 |    2     |     -----   -------
//  |   |          |       1        e
//  |   |          |       2        c
//  |   |          |
//  |   |          |
//  +--------------+
//
TEST_F(HitTestQueryTest, OverlappedRootView) { … }

}  // namespace test
}  // namespace viz
chromium/components/viz/common/hit_test/hit_test_query_unittest.cc
