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     DCHECK(!command);  // No command key on Aura
  60     return SendKeyPressNotifyWhenDone(
  61         window, key, control, shift, alt, command, base::Closure());
  62   }
  63   virtual bool SendKeyPressNotifyWhenDone(
  64       gfx::NativeWindow window,
  65       ui::KeyboardCode key,
  66       bool control,
  67       bool shift,
  68       bool alt,
  69       bool command,
  70       const base::Closure& closure) OVERRIDE {
  71     DCHECK(!command);  // No command key on Aura
  72     XEvent xevent = {0};
  73     xevent.xkey.type = KeyPress;
  74     if (control)
  75       SetKeycodeAndSendThenMask(&xevent, XK_Control_L, ControlMask);
  76     if (shift)
  77       SetKeycodeAndSendThenMask(&xevent, XK_Shift_L, ShiftMask);
  78     if (alt)
  79       SetKeycodeAndSendThenMask(&xevent, XK_Alt_L, Mod1Mask);
  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     DCHECK(!xevent.xkey.state);
  95     RunClosureAfterAllPendingUIEvents(closure);
  96     return true;
  97   }
  98
  99   virtual bool SendMouseMove(long screen_x, long screen_y) OVERRIDE {
 100     return SendMouseMoveNotifyWhenDone(screen_x, screen_y, base::Closure());
 101   }
 102   virtual bool SendMouseMoveNotifyWhenDone(
 103       long screen_x,
 104       long screen_y,
 105       const base::Closure& closure) OVERRIDE {
 106     gfx::Point root_location(screen_x, screen_y);
 107     aura::client::ScreenPositionClient* screen_position_client =
 108         aura::client::GetScreenPositionClient(host_->window());
 109     if (screen_position_client) {
 110       screen_position_client->ConvertPointFromScreen(host_->window(),
 111                                                      &root_location);
 112     }
 113     gfx::Point root_current_location =
 114         QueryLatestMousePositionRequestInHost(host_);
 115     host_->ConvertPointFromHost(&root_current_location);
 116
 117     if (root_location != root_current_location && button_down_mask == 0) {
 118       // Move the cursor because EnterNotify/LeaveNotify are generated with the
 119       // current mouse position as a result of XGrabPointer()
 120       host_->window()->MoveCursorTo(root_location);
 121     } else {
 122       XEvent xevent = {0};
 123       XMotionEvent* xmotion = &xevent.xmotion;
 124       xmotion->type = MotionNotify;
 125       xmotion->x = root_location.x();
 126       xmotion->y = root_location.y();
 127       xmotion->state = button_down_mask;
 128       xmotion->same_screen = True;
 129       // WindowTreeHost will take care of other necessary fields.
 130       host_->PostNativeEvent(&xevent);
 131     }
 132     RunClosureAfterAllPendingUIEvents(closure);
 133     return true;
 134   }
 135   virtual bool SendMouseEvents(MouseButton type, int state) OVERRIDE {
 136     return SendMouseEventsNotifyWhenDone(type, state, base::Closure());
 137   }
 138   virtual bool SendMouseEventsNotifyWhenDone(
 139       MouseButton type,
 140       int state,
 141       const base::Closure& closure) OVERRIDE {
 142     XEvent xevent = {0};
 143     XButtonEvent* xbutton = &xevent.xbutton;
 144     gfx::Point mouse_loc = aura::Env::GetInstance()->last_mouse_location();
 145     aura::client::ScreenPositionClient* screen_position_client =
 146           aura::client::GetScreenPositionClient(host_->window());
 147     if (screen_position_client) {
 148       screen_position_client->ConvertPointFromScreen(host_->window(),
 149                                                      &mouse_loc);
 150     }
 151     xbutton->x = mouse_loc.x();
 152     xbutton->y = mouse_loc.y();
 153     xbutton->same_screen = True;
 154     switch (type) {
 155       case LEFT:
 156         xbutton->button = Button1;
 157         xbutton->state = Button1Mask;
 158         break;
 159       case MIDDLE:
 160         xbutton->button = Button2;
 161         xbutton->state = Button2Mask;
 162         break;
 163       case RIGHT:
 164         xbutton->button = Button3;
 165         xbutton->state = Button3Mask;
 166         break;
 167     }
 168     // WindowEventDispatcher will take care of other necessary fields.
 169     if (state & DOWN) {
 170       xevent.xbutton.type = ButtonPress;
 171       host_->PostNativeEvent(&xevent);
 172       button_down_mask |= xbutton->state;
 173     }
 174     if (state & UP) {
 175       xevent.xbutton.type = ButtonRelease;
 176       host_->PostNativeEvent(&xevent);
 177       button_down_mask = (button_down_mask | xbutton->state) ^ xbutton->state;
 178     }
 179     RunClosureAfterAllPendingUIEvents(closure);
 180     return true;
 181   }
 182   virtual bool SendMouseClick(MouseButton type) OVERRIDE {
 183     return SendMouseEvents(type, UP | DOWN);
 184   }
 185   virtual void RunClosureAfterAllPendingUIEvents(
 186       const base::Closure& closure) OVERRIDE {
 187     if (closure.is_null())
 188       return;
 189     static XEvent* marker_event = NULL;
 190     if (!marker_event) {
 191       marker_event = new XEvent();
 192       marker_event->xclient.type = ClientMessage;
 193       marker_event->xclient.display = NULL;
 194       marker_event->xclient.window = None;
 195       marker_event->xclient.format = 8;
 196     }
 197     marker_event->xclient.message_type = MarkerEventAtom();
 198     host_->PostNativeEvent(marker_event);
 199     ui::PlatformEventWaiter::Create(closure, base::Bind(&Matcher));
 200   }
 201  private:
 202   void SetKeycodeAndSendThenMask(XEvent* xevent,
 203                                  KeySym keysym,
 204                                  unsigned int mask) {
 205     xevent->xkey.keycode =
 206         XKeysymToKeycode(gfx::GetXDisplay(), keysym);
 207     host_->PostNativeEvent(xevent);
 208     xevent->xkey.state |= mask;
 209   }
 210
 211   void UnmaskAndSetKeycodeThenSend(XEvent* xevent,
 212                                    unsigned int mask,
 213                                    KeySym keysym) {
 214     xevent->xkey.state ^= mask;
 215     xevent->xkey.keycode =
 216         XKeysymToKeycode(gfx::GetXDisplay(), keysym);
 217     host_->PostNativeEvent(xevent);
 218   }
 219
 220   WindowTreeHost* host_;
 221
 222   DISALLOW_COPY_AND_ASSIGN(UIControlsX11);
 223 };
 224
 225 }  // namespace
 226
 227 UIControlsAura* CreateUIControlsAura(WindowTreeHost* host) {
 228   return new UIControlsX11(host);
 229 }
 230
 231 }  // namespace test
 232 }  // namespace aura