Implement chrome.brailleDisplayPrivate API

ui/aura/root_window_host_x11.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/aura/root_window_host_x11.h"
 
 #include <strings.h>
 #include <X11/cursorfont.h>
 #include <X11/extensions/Xfixes.h>
 #include <X11/extensions/XInput2.h>
 #include <X11/extensions/Xrandr.h>
 #include <X11/Xatom.h>
 #include <X11/Xcursor/Xcursor.h>
 #include <X11/Xlib.h>
 
 #include <algorithm>
 #include <limits>
 #include <string>
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/message_loop/message_loop.h"
 #include "base/message_loop/message_pump_aurax11.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
+// TODO(plundblad): Need something better than this dependency.
+#include "chrome/browser/extensions/api/braille_private/braille_controller.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkPostConfig.h"
 #include "ui/aura/client/capture_client.h"
 #include "ui/aura/client/cursor_client.h"
 #include "ui/aura/client/screen_position_client.h"
 #include "ui/aura/client/user_action_client.h"
 #include "ui/aura/env.h"
 #include "ui/aura/root_window.h"
 #include "ui/base/cursor/cursor.h"
 #include "ui/base/events/event.h"
 #include "ui/base/events/event_utils.h"
 #include "ui/base/keycodes/keyboard_codes.h"
 #include "ui/base/touch/touch_factory_x11.h"
 #include "ui/base/ui_base_switches.h"
 #include "ui/base/view_prop.h"
 #include "ui/base/x/device_list_cache_x.h"
 #include "ui/base/x/x11_util.h"
 #include "ui/compositor/dip_util.h"
 #include "ui/compositor/layer.h"
 #include "ui/gfx/codec/png_codec.h"
 #include "ui/gfx/screen.h"
 
+
 #if defined(OS_CHROMEOS)
 #include "base/chromeos/chromeos_version.h"
 #endif
 
 using std::max;
 using std::min;
 
 namespace aura {
 
 namespace {
@@ skipping 371 matching lines @@
                   xwindow_,
                   atom_cache_.GetAtom("_NET_WM_PID"),
                   XA_CARDINAL,
                   32,
                   PropModeReplace,
                   reinterpret_cast<unsigned char*>(&pid), 1);
 
   XRRSelectInput(xdisplay_, x_root_window_,
                  RRScreenChangeNotifyMask | RROutputChangeNotifyMask);
   Env::GetInstance()->AddObserver(this);
+  // TODO: This is not needed on chromeos, but it is currently on
+  // Linux.  Need a better way to handle this.
+  extensions::api::braille_private::BrailleController::AddWindow(xwindow_);
 }
 
 RootWindowHostX11::~RootWindowHostX11() {
   Env::GetInstance()->RemoveObserver(this);
   base::MessagePumpAuraX11::Current()->RemoveDispatcherForRootWindow(this);
   base::MessagePumpAuraX11::Current()->RemoveDispatcherForWindow(xwindow_);
 
   UnConfineCursor();
 
   XDestroyWindow(xdisplay_, xwindow_);
+  extensions::api::braille_private::BrailleController::RemoveWindow(xwindow_);
 }
 
 bool RootWindowHostX11::Dispatch(const base::NativeEvent& event) {
   XEvent* xev = event;
 
   if (FindEventTarget(event) == x_root_window_)
     return DispatchEventForRootWindow(event);
 
   switch (xev->type) {
     case EnterNotify: {
@@ skipping 674 matching lines @@
 }
 
 namespace test {
 
 void SetUseOverrideRedirectWindowByDefault(bool override_redirect) {
   default_override_redirect = override_redirect;
 }
 
 }  // namespace test
 }  // namespace aura