ozone/platform/wayland: Implement pointer handling

ui/ozone/platform/wayland/wayland_window.cc

Index: ui/ozone/platform/wayland/wayland_window.cc
diff --git a/ui/ozone/platform/wayland/wayland_window.cc b/ui/ozone/platform/wayland/wayland_window.cc
index b64f0bc732e32b595db2c82301f51734e7d4094a..46c639adc04d2de01395039909dd1bc055532a82 100644
--- a/ui/ozone/platform/wayland/wayland_window.cc
+++ b/ui/ozone/platform/wayland/wayland_window.cc
@@ -7,6 +7,8 @@
 #include <xdg-shell-unstable-v5-client-protocol.h>
 
 #include "base/strings/utf_string_conversions.h"
+#include "ui/events/event.h"
+#include "ui/events/ozone/events_ozone.h"
 #include "ui/ozone/platform/wayland/wayland_display.h"
 #include "ui/platform_window/platform_window_delegate.h"
 
@@ -19,10 +21,17 @@ WaylandWindow::WaylandWindow(PlatformWindowDelegate* delegate,
 
 WaylandWindow::~WaylandWindow() {
   if (xdg_surface_) {
+    PlatformEventSource::GetInstance()->RemovePlatformEventDispatcher(this);
     display_->RemoveWindow(surface_.id());
   }
 }
 
+// static
+WaylandWindow* WaylandWindow::FromSurface(wl_surface* surface) {
+  return static_cast<WaylandWindow*>(
+      wl_proxy_get_user_data(reinterpret_cast<wl_proxy*>(surface)));
+}
+
 bool WaylandWindow::Initialize() {
   static const xdg_surface_listener xdg_surface_listener = {
       &WaylandWindow::Configure, &WaylandWindow::Close,
@@ -44,6 +53,7 @@ bool WaylandWindow::Initialize() {
   display_->ScheduleFlush();
 
   display_->AddWindow(surface_.id(), this);
+  PlatformEventSource::GetInstance()->AddPlatformEventDispatcher(this);
   delegate_->OnAcceleratedWidgetAvailable(surface_.id(), 1.f);
 
   return true;
@@ -134,6 +144,21 @@ PlatformImeController* WaylandWindow::GetPlatformImeController() {
   return nullptr;
 }
 
+bool WaylandWindow::CanDispatchEvent(const PlatformEvent& native_event) {
+  Event* event = static_cast<Event*>(native_event);
+  if (event->IsMouseEvent())
+    return has_pointer_focus_;
+  return false;
+}
+
+uint32_t WaylandWindow::DispatchEvent(const PlatformEvent& native_event) {
+  DispatchEventFromNativeUiEvent(
+      native_event, base::Bind(&PlatformWindowDelegate::DispatchEvent,
+                               base::Unretained(delegate_)));
+  return POST_DISPATCH_STOP_PROPAGATION;
+}
+
+// static
 void WaylandWindow::Configure(void* data,
                               xdg_surface* obj,
                               int32_t width,
@@ -150,6 +175,7 @@ void WaylandWindow::Configure(void* data,
   window->pending_configure_serial_ = serial;
 }
 
+// static
 void WaylandWindow::Close(void* data, xdg_surface* obj) {
   NOTIMPLEMENTED();
 }