diff options
Diffstat (limited to 'cc/trees/layer_tree_host.cc')
-rw-r--r-- | cc/trees/layer_tree_host.cc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/cc/trees/layer_tree_host.cc b/cc/trees/layer_tree_host.cc index 881cff8..529beae 100644 --- a/cc/trees/layer_tree_host.cc +++ b/cc/trees/layer_tree_host.cc @@ -183,6 +183,7 @@ LayerTreeHost::LayerTreeHost(InitParams* params, CompositorMode mode) gpu_rasterization_histogram_recorded_(false), background_color_(SK_ColorWHITE), has_transparent_background_(false), + have_wheel_event_handlers_(false), did_complete_scale_animation_(false), in_paint_layer_contents_(false), id_(s_layer_tree_host_sequence_number.GetNext() + 1), @@ -391,6 +392,7 @@ void LayerTreeHost::FinishCommitOnImplThread(LayerTreeHostImpl* host_impl) { sync_tree->set_background_color(background_color_); sync_tree->set_has_transparent_background(has_transparent_background_); + sync_tree->set_have_wheel_event_handlers(have_wheel_event_handlers_); if (page_scale_layer_.get() && inner_viewport_scroll_layer_.get()) { sync_tree->SetViewportLayersFromIds( @@ -1105,6 +1107,14 @@ void LayerTreeHost::RegisterSelection(const LayerSelection& selection) { SetNeedsCommit(); } +void LayerTreeHost::SetHaveWheelEventHandlers(bool have_event_handlers) { + if (have_wheel_event_handlers_ == have_event_handlers) + return; + + have_wheel_event_handlers_ = have_event_handlers; + SetNeedsCommit(); +} + int LayerTreeHost::ScheduleMicroBenchmark( const std::string& benchmark_name, scoped_ptr<base::Value> value, @@ -1430,6 +1440,7 @@ void LayerTreeHost::ToProtobufForCommit(proto::LayerTreeHost* proto) const { content_is_suitable_for_gpu_rasterization_); proto->set_background_color(background_color_); proto->set_has_transparent_background(has_transparent_background_); + proto->set_have_wheel_event_handlers(have_wheel_event_handlers_); proto->set_in_paint_layer_contents(in_paint_layer_contents_); proto->set_id(id_); proto->set_next_commit_forces_redraw(next_commit_forces_redraw_); @@ -1494,6 +1505,7 @@ void LayerTreeHost::FromProtobufForCommit(const proto::LayerTreeHost& proto) { proto.content_is_suitable_for_gpu_rasterization(); background_color_ = proto.background_color(); has_transparent_background_ = proto.has_transparent_background(); + have_wheel_event_handlers_ = proto.have_wheel_event_handlers(); in_paint_layer_contents_ = proto.in_paint_layer_contents(); id_ = proto.id(); next_commit_forces_redraw_ = proto.next_commit_forces_redraw(); |