Makes ui_controls_aurax11 maintain button state so that it can send

chrome/browser/automation/ui_controls_aurax11.cc

 // Copyright (c) 2011 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 "chrome/browser/automation/ui_controls.h"
 
 #include <X11/keysym.h>
 #include <X11/Xlib.h>
 
 // X macro fail.
 #if defined(RootWindow)
 #undef RootWindow
 #endif
 
 #include "base/callback.h"
 #include "base/logging.h"
 #include "base/message_pump_x.h"
 #include "chrome/browser/automation/ui_controls_internal.h"
 #include "ui/aura/root_window.h"
 #include "ui/base/keycodes/keyboard_code_conversion_x.h"
 #include "ui/views/view.h"
 
 namespace {
 
+// Mask of the buttons currently down.
+unsigned button_down_mask = 0;
+
 // Event waiter executes the specified closure|when a matching event
 // is found.
 // TODO(oshima): Move this to base.
 class EventWaiter : public MessageLoopForUI::Observer {
  public:
   typedef bool (*EventWaiterMatcher)(const base::NativeEvent& event);
 
   EventWaiter(const base::Closure& closure, EventWaiterMatcher matcher)
       : closure_(closure),
         matcher_(matcher) {
@@ skipping 113 matching lines @@
 bool SendMouseMove(long x, long y) {
   return SendMouseMoveNotifyWhenDone(x, y, base::Closure());
 }
 
 bool SendMouseMoveNotifyWhenDone(long x, long y, const base::Closure& closure) {
   XEvent xevent = {0};
   XMotionEvent* xmotion = &xevent.xmotion;
   xmotion->type = MotionNotify;
   g_current_x = xmotion->x = x;
   g_current_y = xmotion->y = y;
+  xmotion->state = button_down_mask;
   xmotion->same_screen = True;
   // RootWindow will take care of other necessary fields.
   aura::RootWindow::GetInstance()->PostNativeEvent(&xevent);
   RunClosureAfterAllPendingUIEvents(closure);
   return true;
 }
 
 bool SendMouseEvents(MouseButton type, int state) {
   return SendMouseEventsNotifyWhenDone(type, state, base::Closure());
 }
@@ skipping 21 matching lines @@
       xbutton->button = Button3;
       xbutton->state = Button3Mask;
       break;
   }
   // RootWindow will take care of other necessary fields.
 
   aura::RootWindow* root_window = aura::RootWindow::GetInstance();
   if (state & DOWN) {
     xevent.xbutton.type = ButtonPress;
     root_window->PostNativeEvent(&xevent);
+    button_down_mask |= xbutton->state;
   }
   if (state & UP) {
     xevent.xbutton.type = ButtonRelease;
     root_window->PostNativeEvent(&xevent);
+    button_down_mask = (button_down_mask | xbutton->state) ^ xbutton->state;
   }
   RunClosureAfterAllPendingUIEvents(closure);
   return true;
 }
 
 bool SendMouseClick(MouseButton type) {
   return SendMouseEvents(type, UP | DOWN);
 }
 
 void MoveMouseToCenterAndPress(views::View* view, MouseButton button,
@@ skipping 16 matching lines @@
     marker_event->xclient.display = NULL;
     marker_event->xclient.window = None;
     marker_event->xclient.format = 8;
   }
   marker_event->xclient.message_type = MarkerEventAtom();
   aura::RootWindow::GetInstance()->PostNativeEvent(marker_event);
   new EventWaiter(closure, &Matcher);
 }
 
 }  // namespace ui_controls