src/ui/aura/test/ui_controls_factory_aurax11.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <X11/keysym.h>
   6 #include <X11/Xlib.h>
   7
   8 #include "base/bind.h"
   9 #include "base/logging.h"
  10 #include "ui/aura/client/screen_position_client.h"
  11 #include "ui/aura/env.h"
  12 #include "ui/aura/test/aura_test_utils.h"
  13 #include "ui/aura/test/ui_controls_factory_aura.h"
  14 #include "ui/aura/window.h"
  15 #include "ui/aura/window_tree_host.h"
  16 #include "ui/base/test/ui_controls_aura.h"
  17 #include "ui/base/x/x11_util.h"
  18 #include "ui/compositor/dip_util.h"
  19 #include "ui/events/keycodes/keyboard_code_conversion_x.h"
  20 #include "ui/events/test/platform_event_waiter.h"
  21
  22 namespace aura {
  23 namespace test {
  24 namespace {
  25
  26 using ui_controls::DOWN;
  27 using ui_controls::LEFT;
  28 using ui_controls::MIDDLE;
  29 using ui_controls::MouseButton;
  30 using ui_controls::RIGHT;
  31 using ui_controls::UIControlsAura;
  32 using ui_controls::UP;
  33
  34 // Mask of the buttons currently down.
  35 unsigned button_down_mask = 0;
  36
  37 // Returns atom that indidates that the XEvent is marker event.
  38 Atom MarkerEventAtom() {
  39   return XInternAtom(gfx::GetXDisplay(), "marker_event", False);
  40 }
  41
  42 // Returns true when the event is a marker event.
  43 bool Matcher(const base::NativeEvent& event) {
  44   return event->xany.type == ClientMessage &&
  45       event->xclient.message_type == MarkerEventAtom();
  46 }
  47
  48 class UIControlsX11 : public UIControlsAura {
  49  public:
  50   UIControlsX11(WindowTreeHost* host) : host_(host) {
  51   }
  52
  53   virtual bool SendKeyPress(gfx::NativeWindow window,
  54                             ui::KeyboardCode key,
  55                             bool control,
  56                             bool shift,
  57                             bool alt,
  58                             bool command) OVERRIDE {
  59     return SendKeyPressNotifyWhenDone(
  60         window, key, control, shift, alt, command, base::Closure());
  61   }
  62   virtual bool SendKeyPressNotifyWhenDone(
  63       gfx::NativeWindow window,
  64       ui::KeyboardCode key,
  65       bool control,
  66       bool shift,
  67       bool alt,
  68       bool command,
  69       const base::Closure& closure) OVERRIDE {
  70     XEvent xevent = {0};
  71     xevent.xkey.type = KeyPress;
  72     if (control)
  73       SetKeycodeAndSendThenMask(&xevent, XK_Control_L, ControlMask);
  74     if (shift)
  75       SetKeycodeAndSendThenMask(&xevent, XK_Shift_L, ShiftMask);
  76     if (alt)
  77       SetKeycodeAndSendThenMask(&xevent, XK_Alt_L, Mod1Mask);
  78     if (command)
  79       SetKeycodeAndSendThenMask(&xevent, XK_Meta_L, Mod4Mask);
  80     xevent.xkey.keycode =
  81         XKeysymToKeycode(gfx::GetXDisplay(),
  82                          ui::XKeysymForWindowsKeyCode(key, shift));
  83     host_->PostNativeEvent(&xevent);
  84
  85     // Send key release events.
  86     xevent.xkey.type = KeyRelease;
  87     host_->PostNativeEvent(&xevent);
  88     if (alt)
  89       UnmaskAndSetKeycodeThenSend(&xevent, Mod1Mask, XK_Alt_L);
  90     if (shift)
  91       UnmaskAndSetKeycodeThenSend(&xevent, ShiftMask, XK_Shift_L);
  92     if (control)
  93       UnmaskAndSetKeycodeThenSend(&xevent, ControlMask, XK_Control_L);
  94     if (command)
  95       UnmaskAndSetKeycodeThenSend(&xevent, Mod4Mask, XK_Meta_L);
  96     DCHECK(!xevent.xkey.state);
  97     RunClosureAfterAllPendingUIEvents(closure);
  98     return true;
  99   }
 100
 101   virtual bool SendMouseMove(long screen_x, long screen_y) OVERRIDE {
 102     return SendMouseMoveNotifyWhenDone(screen_x, screen_y, base::Closure());
 103   }
 104   virtual bool SendMouseMoveNotifyWhenDone(
 105       long screen_x,
 106       long screen_y,
 107       const base::Closure& closure) OVERRIDE {
 108     gfx::Point root_location(screen_x, screen_y);
 109     aura::client::ScreenPositionClient* screen_position_client =
 110         aura::client::GetScreenPositionClient(host_->window());
 111     if (screen_position_client) {
 112       screen_position_client->ConvertPointFromScreen(host_->window(),
 113                                                      &root_location);
 114     }
 115     gfx::Point root_current_location =
 116         QueryLatestMousePositionRequestInHost(host_);
 117     host_->ConvertPointFromHost(&root_current_location);
 118
 119     if (root_location != root_current_location && button_down_mask == 0) {
 120       // Move the cursor because EnterNotify/LeaveNotify are generated with the
 121       // current mouse position as a result of XGrabPointer()
 122       host_->window()->MoveCursorTo(root_location);
 123     } else {
 124       XEvent xevent = {0};
 125       XMotionEvent* xmotion = &xevent.xmotion;
 126       xmotion->type = MotionNotify;
 127       xmotion->x = root_location.x();
 128       xmotion->y = root_location.y();
 129       xmotion->state = button_down_mask;
 130       xmotion->same_screen = True;
 131       // WindowTreeHost will take care of other necessary fields.
 132       host_->PostNativeEvent(&xevent);
 133     }
 134     RunClosureAfterAllPendingUIEvents(closure);
 135     return true;
 136   }
 137   virtual bool SendMouseEvents(MouseButton type, int state) OVERRIDE {
 138     return SendMouseEventsNotifyWhenDone(type, state, base::Closure());
 139   }
 140   virtual bool SendMouseEventsNotifyWhenDone(
 141       MouseButton type,
 142       int state,
 143       const base::Closure& closure) OVERRIDE {
 144     XEvent xevent = {0};
 145     XButtonEvent* xbutton = &xevent.xbutton;
 146     gfx::Point mouse_loc = aura::Env::GetInstance()->last_mouse_location();
 147     aura::client::ScreenPositionClient* screen_position_client =
 148           aura::client::GetScreenPositionClient(host_->window());
 149     if (screen_position_client) {
 150       screen_position_client->ConvertPointFromScreen(host_->window(),
 151                                                      &mouse_loc);
 152     }
 153     xbutton->x = mouse_loc.x();
 154     xbutton->y = mouse_loc.y();
 155     xbutton->same_screen = True;
 156     switch (type) {
 157       case LEFT:
 158         xbutton->button = Button1;
 159         xbutton->state = Button1Mask;
 160         break;
 161       case MIDDLE:
 162         xbutton->button = Button2;
 163         xbutton->state = Button2Mask;
 164         break;
 165       case RIGHT:
 166         xbutton->button = Button3;
 167         xbutton->state = Button3Mask;
 168         break;
 169     }
 170     // WindowEventDispatcher will take care of other necessary fields.
 171     if (state & DOWN) {
 172       xevent.xbutton.type = ButtonPress;
 173       host_->PostNativeEvent(&xevent);
 174       button_down_mask |= xbutton->state;
 175     }
 176     if (state & UP) {
 177       xevent.xbutton.type = ButtonRelease;
 178       host_->PostNativeEvent(&xevent);
 179       button_down_mask = (button_down_mask | xbutton->state) ^ xbutton->state;
 180     }
 181     RunClosureAfterAllPendingUIEvents(closure);
 182     return true;
 183   }
 184   virtual bool SendMouseClick(MouseButton type) OVERRIDE {
 185     return SendMouseEvents(type, UP | DOWN);
 186   }
 187   virtual void RunClosureAfterAllPendingUIEvents(
 188       const base::Closure& closure) OVERRIDE {
 189     if (closure.is_null())
 190       return;
 191     static XEvent* marker_event = NULL;
 192     if (!marker_event) {
 193       marker_event = new XEvent();
 194       marker_event->xclient.type = ClientMessage;
 195       marker_event->xclient.display = NULL;
 196       marker_event->xclient.window = None;
 197       marker_event->xclient.format = 8;
 198     }
 199     marker_event->xclient.message_type = MarkerEventAtom();
 200     host_->PostNativeEvent(marker_event);
 201     ui::PlatformEventWaiter::Create(closure, base::Bind(&Matcher));
 202   }
 203  private:
 204   void SetKeycodeAndSendThenMask(XEvent* xevent,
 205                                  KeySym keysym,
 206                                  unsigned int mask) {
 207     xevent->xkey.keycode =
 208         XKeysymToKeycode(gfx::GetXDisplay(), keysym);
 209     host_->PostNativeEvent(xevent);
 210     xevent->xkey.state |= mask;
 211   }
 212
 213   void UnmaskAndSetKeycodeThenSend(XEvent* xevent,
 214                                    unsigned int mask,
 215                                    KeySym keysym) {
 216     xevent->xkey.state ^= mask;
 217     xevent->xkey.keycode =
 218         XKeysymToKeycode(gfx::GetXDisplay(), keysym);
 219     host_->PostNativeEvent(xevent);
 220   }
 221
 222   WindowTreeHost* host_;
 223
 224   DISALLOW_COPY_AND_ASSIGN(UIControlsX11);
 225 };
 226
 227 }  // namespace
 228
 229 UIControlsAura* CreateUIControlsAura(WindowTreeHost* host) {
 230   return new UIControlsX11(host);
 231 }
 232
 233 }  // namespace test
 234 }  // namespace aura