[mus+ash] Implements hit-test client in Aura

components/viz/client/client_layer_tree_frame_sink.cc

Index: components/viz/client/client_layer_tree_frame_sink.cc
diff --git a/components/viz/client/client_layer_tree_frame_sink.cc b/components/viz/client/client_layer_tree_frame_sink.cc
index 795f7d2581b48eeb69c138a73b68b80a06154b39..3c5cd39ed6e995da585b31ce32913b969102cbcb 100644
--- a/components/viz/client/client_layer_tree_frame_sink.cc
+++ b/components/viz/client/client_layer_tree_frame_sink.cc
@@ -9,6 +9,7 @@
 #include "cc/output/begin_frame_args.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/layer_tree_frame_sink_client.h"
+#include "components/viz/client/hit_test_data_provider.h"
 #include "components/viz/client/local_surface_id_provider.h"
 
 namespace viz {
@@ -21,12 +22,14 @@ ClientLayerTreeFrameSink::ClientLayerTreeFrameSink(
     std::unique_ptr<cc::SyntheticBeginFrameSource> synthetic_begin_frame_source,
     cc::mojom::CompositorFrameSinkPtrInfo compositor_frame_sink_info,
     cc::mojom::CompositorFrameSinkClientRequest client_request,
+    std::unique_ptr<HitTestDataProvider> hit_test_data_provider,
     std::unique_ptr<LocalSurfaceIdProvider> local_surface_id_provider,
     bool enable_surface_synchronization)
     : cc::LayerTreeFrameSink(std::move(context_provider),
                              std::move(worker_context_provider),
                              gpu_memory_buffer_manager,
                              shared_bitmap_manager),
+      hit_test_data_provider_(std::move(hit_test_data_provider)),
       local_surface_id_provider_(std::move(local_surface_id_provider)),
       synthetic_begin_frame_source_(std::move(synthetic_begin_frame_source)),
       compositor_frame_sink_info_(std::move(compositor_frame_sink_info)),
@@ -42,9 +45,11 @@ ClientLayerTreeFrameSink::ClientLayerTreeFrameSink(
     std::unique_ptr<cc::SyntheticBeginFrameSource> synthetic_begin_frame_source,
     cc::mojom::CompositorFrameSinkPtrInfo compositor_frame_sink_info,
     cc::mojom::CompositorFrameSinkClientRequest client_request,
+    std::unique_ptr<HitTestDataProvider> hit_test_data_provider,
     std::unique_ptr<LocalSurfaceIdProvider> local_surface_id_provider,
     bool enable_surface_synchronization)
     : cc::LayerTreeFrameSink(std::move(vulkan_context_provider)),
+      hit_test_data_provider_(std::move(hit_test_data_provider)),
       local_surface_id_provider_(std::move(local_surface_id_provider)),
       synthetic_begin_frame_source_(std::move(synthetic_begin_frame_source)),
       compositor_frame_sink_info_(std::move(compositor_frame_sink_info)),
@@ -114,6 +119,21 @@ void ClientLayerTreeFrameSink::SubmitCompositorFrame(
         local_surface_id_provider_->GetLocalSurfaceIdForFrame(frame);
   }
 
+  if (hit_test_data_provider_) {
+    std::unique_ptr<HitTestDataProvider::HitTestRegionList> hit_test_data =
+        hit_test_data_provider_->GetHitTestData();
+    if (!hit_test_data->empty()) {
+      LOG(ERROR) << __FUNCTION__ << "--- " << hit_test_data->size() << " ---";
+      int i = 0;
+      for (const auto& region : *hit_test_data) {
+        LOG(ERROR) << __FUNCTION__ << "[" << i++ << "] flags=" << region.flags
+                   << " cid=" << region.frame_sink_id.client_id()
+                   << " sid=" << region.frame_sink_id.sink_id()
+                   << " wid=" << (region.window_id & 0xFFFF)
+                   << " rect=" << region.rect.ToString();
+      }
+    }
+  }
   compositor_frame_sink_->SubmitCompositorFrame(local_surface_id_,
                                                 std::move(frame));
 }