ozone/platform/wayland: Implement pointer handling

ui/ozone/platform/wayland/wayland_window.cc

 // Copyright 2016 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 "ui/ozone/platform/wayland/wayland_window.h"
 
 #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"
 
 namespace ui {
 
 WaylandWindow::WaylandWindow(PlatformWindowDelegate* delegate,
                              WaylandDisplay* display,
                              const gfx::Rect& bounds)
     : delegate_(delegate), display_(display), bounds_(bounds) {}
 
 WaylandWindow::~WaylandWindow() {
   if (xdg_surface_) {
+    PlatformEventSource::GetInstance()->RemovePlatformEventDispatcher(this);
     display_->RemoveWindow(this);
   }
 }
 
+// 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,
   };
 
   surface_.reset(wl_compositor_create_surface(display_->compositor()));
   if (!surface_) {
     LOG(ERROR) << "Failed to create wl_surface";
     return false;
   }
   wl_surface_set_user_data(surface_.get(), this);
   xdg_surface_.reset(
       xdg_shell_get_xdg_surface(display_->shell(), surface_.get()));
   if (!xdg_surface_) {
     LOG(ERROR) << "Failed to create xdg_surface";
     return false;
   }
   xdg_surface_add_listener(xdg_surface_.get(), &xdg_surface_listener, this);
 
   display_->AddWindow(this);
+  PlatformEventSource::GetInstance()->AddPlatformEventDispatcher(this);
   delegate_->OnAcceleratedWidgetAvailable(surface_.id(), 1.f);
 
   return true;
 }
 
 wl_surface* WaylandWindow::GetSurface() {
   DCHECK(surface_);
   return surface_.get();
 }
 
@@ skipping 75 matching lines @@
 
 void WaylandWindow::ConfineCursorToBounds(const gfx::Rect& bounds) {
   NOTIMPLEMENTED();
 }
 
 PlatformImeController* WaylandWindow::GetPlatformImeController() {
   NOTIMPLEMENTED();
   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,
                               int32_t height,
                               wl_array* states,
                               uint32_t serial) {
   WaylandWindow* window = static_cast<WaylandWindow*>(data);
 
   // Rather than call SetBounds here for every configure event, just save the
   // most recent bounds, and have WaylandDisplay call ApplyPendingBounds when it
   // has finished processing events. We may get many configure events in a row
   // during an interactive resize, and only the last one matters.
   window->pending_bounds_ = gfx::Rect(0, 0, width, height);
   window->pending_configure_serial_ = serial;
 }
 
+// static
 void WaylandWindow::Close(void* data, xdg_surface* obj) {
   NOTIMPLEMENTED();
 }
 
 }  // namespace ui