wayland patch for inspection

ui/views/widget/desktop_aura/desktop_screen_wayland.cc

 // Copyright (c) 2012 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/views/widget/desktop_aura/desktop_screen.h"
 
-#include <X11/Xlib.h>
-
-// It clashes with out RootWindow.
-#undef RootWindow
-
 #include "base/logging.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/root_window_host.h"
-#include "ui/base/x/x11_util.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/screen.h"
+#include "ui/wayland/wayland_display.h"
+#include "ui/wayland/wayland_screen.h"
 
 namespace {
 
-// TODO(erg): This method is a temporary hack, until we can reliably extract
-// location data out of XRandR.
 gfx::Size GetPrimaryDisplaySize() {
-  ::Display* display = ui::GetXDisplay();
-  ::Screen* screen = DefaultScreenOfDisplay(display);
-  int width = WidthOfScreen(screen);
-  int height = HeightOfScreen(screen);
-
-  return gfx::Size(width, height);
+  ui::WaylandDisplay* display = ui::WaylandDisplay::GetDisplay();
+  std::list<ui::WaylandScreen*> screens = display->GetScreenList();
+  return screens.empty() ? gfx::Size() : screens.front()->GetAllocation().size();
 }
 
-class DesktopScreenX11 : public gfx::Screen {
+class DesktopScreenWayland : public gfx::Screen {
  public:
-  DesktopScreenX11();
-  virtual ~DesktopScreenX11();
+  DesktopScreenWayland();
+  virtual ~DesktopScreenWayland();
 
   // Overridden from gfx::Screen:
   virtual bool IsDIPEnabled() OVERRIDE;
   virtual gfx::Point GetCursorScreenPoint() OVERRIDE;
   virtual gfx::NativeWindow GetWindowAtCursorScreenPoint() OVERRIDE;
   virtual int GetNumDisplays() OVERRIDE;
   virtual gfx::Display GetDisplayNearestWindow(
       gfx::NativeView window) const OVERRIDE;
   virtual gfx::Display GetDisplayNearestPoint(
       const gfx::Point& point) const OVERRIDE;
   virtual gfx::Display GetDisplayMatching(
       const gfx::Rect& match_rect) const OVERRIDE;
   virtual gfx::Display GetPrimaryDisplay() const OVERRIDE;
   virtual void AddObserver(gfx::DisplayObserver* observer) OVERRIDE;
   virtual void RemoveObserver(gfx::DisplayObserver* observer) OVERRIDE;
 
  private:
-  DISALLOW_COPY_AND_ASSIGN(DesktopScreenX11);
+  DISALLOW_COPY_AND_ASSIGN(DesktopScreenWayland);
 };
 
 ////////////////////////////////////////////////////////////////////////////////
-// DesktopScreenX11, public:
+// DesktopScreenWayland, public:
 
-DesktopScreenX11::DesktopScreenX11() {
+DesktopScreenWayland::DesktopScreenWayland() {
 }
 
-DesktopScreenX11::~DesktopScreenX11() {
+DesktopScreenWayland::~DesktopScreenWayland() {
 }
 
 ////////////////////////////////////////////////////////////////////////////////
-// DesktopScreenX11, gfx::Screen implementation:
+// DesktopScreenWayland, gfx::Screen implementation:
 
-bool DesktopScreenX11::IsDIPEnabled() {
+bool DesktopScreenWayland::IsDIPEnabled() {
   return false;
 }
 
-gfx::Point DesktopScreenX11::GetCursorScreenPoint() {
-  Display* display = ui::GetXDisplay();
-
-  ::Window root, child;
-  int root_x, root_y, win_x, win_y;
-  unsigned int mask;
-  XQueryPointer(display,
-                DefaultRootWindow(display),
-                &root,
-                &child,
-                &root_x,
-                &root_y,
-                &win_x,
-                &win_y,
-                &mask);
-
-  return gfx::Point(root_x, root_y);
+gfx::Point DesktopScreenWayland::GetCursorScreenPoint() {
+  return gfx::Point();
 }
 
-gfx::NativeWindow DesktopScreenX11::GetWindowAtCursorScreenPoint() {
+gfx::NativeWindow DesktopScreenWayland::GetWindowAtCursorScreenPoint() {
   // TODO(erg): Implement using the discussion at
   // http://codereview.chromium.org/10279005/
   return NULL;
 }
 
-int DesktopScreenX11::GetNumDisplays() {
+int DesktopScreenWayland::GetNumDisplays() {
   // TODO(erg): Figure this out with oshima or piman because I have no clue
   // about the XRandR implications here.
   return 1;
 }
 
-gfx::Display DesktopScreenX11::GetDisplayNearestWindow(
+gfx::Display DesktopScreenWayland::GetDisplayNearestWindow(
     gfx::NativeView window) const {
   // TODO(erg): Do the right thing once we know what that is.
   return gfx::Display(0, gfx::Rect(GetPrimaryDisplaySize()));
 }
 
-gfx::Display DesktopScreenX11::GetDisplayNearestPoint(
+gfx::Display DesktopScreenWayland::GetDisplayNearestPoint(
     const gfx::Point& point) const {
   // TODO(erg): Do the right thing once we know what that is.
   return gfx::Display(0, gfx::Rect(GetPrimaryDisplaySize()));
 }
 
-gfx::Display DesktopScreenX11::GetDisplayMatching(
+gfx::Display DesktopScreenWayland::GetDisplayMatching(
     const gfx::Rect& match_rect) const {
   // TODO(erg): Do the right thing once we know what that is.
   return gfx::Display(0, gfx::Rect(GetPrimaryDisplaySize()));
 }
 
-gfx::Display DesktopScreenX11::GetPrimaryDisplay() const {
+gfx::Display DesktopScreenWayland::GetPrimaryDisplay() const {
   // TODO(erg): Do the right thing once we know what that is.
   return gfx::Display(0, gfx::Rect(GetPrimaryDisplaySize()));
 }
 
-void DesktopScreenX11::AddObserver(gfx::DisplayObserver* observer) {
+void DesktopScreenWayland::AddObserver(gfx::DisplayObserver* observer) {
   // TODO(erg|oshima): Do the right thing once we know what that is.
   // crbug.com/122863
 }
-void DesktopScreenX11::RemoveObserver(gfx::DisplayObserver* observer) {
+void DesktopScreenWayland::RemoveObserver(gfx::DisplayObserver* observer) {
   // TODO(erg|oshima): Do the right thing once we know what that is.
   // crbug.com/122863
 }
 
 }  // namespace
 
 ////////////////////////////////////////////////////////////////////////////////
 
 namespace views {
 
 gfx::Screen* CreateDesktopScreen() {
-  return new DesktopScreenX11;
+  return new DesktopScreenWayland;
 }
 
 }  // namespace views