Index: components/viz/hit_test/query/hit_test_query.cc |
diff --git a/components/viz/hit_test/query/hit_test_query.cc b/components/viz/hit_test/query/hit_test_query.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..6f8e7a73ed952cb83cc9aaabfb10ff60bcf328ea |
--- /dev/null |
+++ b/components/viz/hit_test/query/hit_test_query.cc |
@@ -0,0 +1,43 @@ |
+// Copyright 2017 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 "components/viz/hit_test/query/hit_test_query.h" |
+ |
+namespace viz { |
+namespace hit_test { |
+ |
+HitTestQuery::HitTestQuery() {} |
+ |
+HitTestQuery::~HitTestQuery() {} |
+ |
+Target HitTestQuery::FindTargetForLocation(const gfx::Point& location_in_root) { |
+ DCHECK(!display_hit_test_data_list_.empty()); |
+ Target confirmed_target_so_far; |
+ Target tentative_target_so_far; |
+ tentative_target_so_far.location_in_target = location_in_root; |
+ for (uint32_t i = 0; i < display_hit_test_data_list_.size(); ++i) { |
rjkroege
2017/06/12 17:17:24
there's a way to make a vector using a pre-defined
|
+ DisplayHitTestData data = display_hit_test_data_list_[i]; |
+ if (data.bounds.Contains(tentative_target_so_far.location_in_target)) { |
+ if (!data.transform.IsIdentity()) { |
+ DCHECK(data.transform.TransformPointReverse( |
rjkroege
2017/06/12 17:17:24
the statement inside the DCHECK is going to not ex
riajiang
2017/06/13 18:42:29
Ah I see! I'll move the transform out of DCHECK an
|
+ &tentative_target_so_far.location_in_target)); |
+ } |
+ tentative_target_so_far.id = data.id; |
+ tentative_target_so_far.flags = data.flags; |
+ // TODO(riajiang): Check properly once HitTestRegionFlags is well defined |
+ // after https://codereview.chromium.org/2908783002/. |
+ // HIT_TEST_MINE is set to be true, which means it can receive events. |
+ if (data.flags) |
+ confirmed_target_so_far = tentative_target_so_far; |
+ if (!data.child_count) |
+ break; |
+ } else { |
+ i += data.child_count; |
+ } |
+ } |
+ return confirmed_target_so_far; |
+} |
+ |
+} // namespace hit_test |
+} // namespace viz |