src/ui/views/test/ui_controls_factory_desktop_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 // X macro fail.
   9 #if defined(RootWindow)
  10 #undef RootWindow
  11 #endif
  12
  13 #include "base/bind.h"
  14 #include "base/logging.h"
  15 #include "ui/aura/client/screen_position_client.h"
  16 #include "ui/aura/env.h"
  17 #include "ui/aura/test/aura_test_utils.h"
  18 #include "ui/aura/test/ui_controls_factory_aura.h"
  19 #include "ui/aura/test/x11_event_sender.h"
  20 #include "ui/aura/window_event_dispatcher.h"
  21 #include "ui/base/test/ui_controls_aura.h"
  22 #include "ui/base/x/x11_util.h"
  23 #include "ui/compositor/dip_util.h"
  24 #include "ui/events/keycodes/keyboard_code_conversion_x.h"
  25 #include "ui/events/test/platform_event_waiter.h"
  26 #include "ui/gfx/x/x11_connection.h"
  27 #include "ui/views/widget/desktop_aura/desktop_window_tree_host_x11.h"
  28
  29 namespace views {
  30 namespace test {
  31 namespace {
  32
  33 using ui_controls::DOWN;
  34 using ui_controls::LEFT;
  35 using ui_controls::MIDDLE;
  36 using ui_controls::MouseButton;
  37 using ui_controls::RIGHT;
  38 using ui_controls::UIControlsAura;
  39 using ui_controls::UP;
  40
  41 // Mask of the buttons currently down.
  42 unsigned button_down_mask = 0;
  43
  44 // Returns atom that indidates that the XEvent is marker event.
  45 Atom MarkerEventAtom() {
  46   return XInternAtom(gfx::GetXDisplay(), "marker_event", False);
  47 }
  48
  49 // Returns true when the event is a marker event.
  50 bool Matcher(const base::NativeEvent& event) {
  51   return event->xany.type == ClientMessage &&
  52       event->xclient.message_type == MarkerEventAtom();
  53 }
  54
  55 class UIControlsDesktopX11 : public UIControlsAura {
  56  public:
  57   UIControlsDesktopX11()
  58       : x_display_(gfx::GetXDisplay()),
  59         x_root_window_(DefaultRootWindow(x_display_)),
  60         x_window_(XCreateWindow(
  61             x_display_, x_root_window_,
  62             -100, -100, 10, 10,  // x, y, width, height
  63             0,                   // border width
  64             CopyFromParent,      // depth
  65             InputOnly,
  66             CopyFromParent,      // visual
  67             0,
  68             NULL)) {
  69     XStoreName(x_display_, x_window_, "Chromium UIControlsDesktopX11 Window");
  70   }
  71
  72   ~UIControlsDesktopX11() override { XDestroyWindow(x_display_, x_window_); }
  73
  74   bool SendKeyPress(gfx::NativeWindow window,
  75                     ui::KeyboardCode key,
  76                     bool control,
  77                     bool shift,
  78                     bool alt,
  79                     bool command) override {
  80     DCHECK(!command);  // No command key on Aura
  81     return SendKeyPressNotifyWhenDone(
  82         window, key, control, shift, alt, command, base::Closure());
  83   }
  84
  85   bool SendKeyPressNotifyWhenDone(gfx::NativeWindow window,
  86                                   ui::KeyboardCode key,
  87                                   bool control,
  88                                   bool shift,
  89                                   bool alt,
  90                                   bool command,
  91                                   const base::Closure& closure) override {
  92     DCHECK(!command);  // No command key on Aura
  93
  94     aura::WindowTreeHost* host = window->GetHost();
  95
  96     XEvent xevent = {0};
  97     xevent.xkey.type = KeyPress;
  98     if (control) {
  99       SetKeycodeAndSendThenMask(host, &xevent, XK_Control_L, ControlMask);
 100     }
 101     if (shift)
 102       SetKeycodeAndSendThenMask(host, &xevent, XK_Shift_L, ShiftMask);
 103     if (alt)
 104       SetKeycodeAndSendThenMask(host, &xevent, XK_Alt_L, Mod1Mask);
 105     xevent.xkey.keycode =
 106         XKeysymToKeycode(x_display_,
 107                          ui::XKeysymForWindowsKeyCode(key, shift));
 108     aura::test::PostEventToWindowTreeHost(xevent, host);
 109
 110     // Send key release events.
 111     xevent.xkey.type = KeyRelease;
 112     aura::test::PostEventToWindowTreeHost(xevent, host);
 113     if (alt)
 114       UnmaskAndSetKeycodeThenSend(host, &xevent, Mod1Mask, XK_Alt_L);
 115     if (shift)
 116       UnmaskAndSetKeycodeThenSend(host, &xevent, ShiftMask, XK_Shift_L);
 117     if (control) {
 118       UnmaskAndSetKeycodeThenSend(host, &xevent, ControlMask, XK_Control_L);
 119     }
 120     DCHECK(!xevent.xkey.state);
 121     RunClosureAfterAllPendingUIEvents(closure);
 122     return true;
 123   }
 124
 125   bool SendMouseMove(long screen_x, long screen_y) override {
 126     return SendMouseMoveNotifyWhenDone(screen_x, screen_y, base::Closure());
 127   }
 128   bool SendMouseMoveNotifyWhenDone(long screen_x,
 129                                    long screen_y,
 130                                    const base::Closure& closure) override {
 131     gfx::Point screen_location(screen_x, screen_y);
 132     gfx::Point root_location = screen_location;
 133     aura::Window* root_window = RootWindowForPoint(screen_location);
 134
 135     aura::client::ScreenPositionClient* screen_position_client =
 136           aura::client::GetScreenPositionClient(root_window);
 137     if (screen_position_client) {
 138       screen_position_client->ConvertPointFromScreen(root_window,
 139                                                      &root_location);
 140     }
 141
 142     aura::WindowTreeHost* host = root_window->GetHost();
 143     gfx::Point root_current_location =
 144         aura::test::QueryLatestMousePositionRequestInHost(host);
 145     host->ConvertPointFromHost(&root_current_location);
 146
 147     if (root_location != root_current_location && button_down_mask == 0) {
 148       // Move the cursor because EnterNotify/LeaveNotify are generated with the
 149       // current mouse position as a result of XGrabPointer()
 150       root_window->MoveCursorTo(root_location);
 151     } else {
 152       XEvent xevent = {0};
 153       XMotionEvent* xmotion = &xevent.xmotion;
 154       xmotion->type = MotionNotify;
 155       xmotion->x = root_location.x();
 156       xmotion->y = root_location.y();
 157       xmotion->state = button_down_mask;
 158       xmotion->same_screen = True;
 159       // RootWindow will take care of other necessary fields.
 160       aura::test::PostEventToWindowTreeHost(xevent, host);
 161     }
 162     RunClosureAfterAllPendingUIEvents(closure);
 163     return true;
 164   }
 165   bool SendMouseEvents(MouseButton type, int state) override {
 166     return SendMouseEventsNotifyWhenDone(type, state, base::Closure());
 167   }
 168   bool SendMouseEventsNotifyWhenDone(MouseButton type,
 169                                      int state,
 170                                      const base::Closure& closure) override {
 171     XEvent xevent = {0};
 172     XButtonEvent* xbutton = &xevent.xbutton;
 173     gfx::Point mouse_loc = aura::Env::GetInstance()->last_mouse_location();
 174     aura::Window* root_window = RootWindowForPoint(mouse_loc);
 175     aura::client::ScreenPositionClient* screen_position_client =
 176           aura::client::GetScreenPositionClient(root_window);
 177     if (screen_position_client)
 178       screen_position_client->ConvertPointFromScreen(root_window, &mouse_loc);
 179     xbutton->x = mouse_loc.x();
 180     xbutton->y = mouse_loc.y();
 181     xbutton->same_screen = True;
 182     switch (type) {
 183       case LEFT:
 184         xbutton->button = Button1;
 185         xbutton->state = Button1Mask;
 186         break;
 187       case MIDDLE:
 188         xbutton->button = Button2;
 189         xbutton->state = Button2Mask;
 190         break;
 191       case RIGHT:
 192         xbutton->button = Button3;
 193         xbutton->state = Button3Mask;
 194         break;
 195     }
 196     // RootWindow will take care of other necessary fields.
 197     if (state & DOWN) {
 198       xevent.xbutton.type = ButtonPress;
 199       aura::test::PostEventToWindowTreeHost(xevent, root_window->GetHost());
 200       button_down_mask |= xbutton->state;
 201     }
 202     if (state & UP) {
 203       xevent.xbutton.type = ButtonRelease;
 204       aura::test::PostEventToWindowTreeHost(xevent, root_window->GetHost());
 205       button_down_mask = (button_down_mask | xbutton->state) ^ xbutton->state;
 206     }
 207     RunClosureAfterAllPendingUIEvents(closure);
 208     return true;
 209   }
 210   bool SendMouseClick(MouseButton type) override {
 211     return SendMouseEvents(type, UP | DOWN);
 212   }
 213   void RunClosureAfterAllPendingUIEvents(
 214       const base::Closure& closure) override {
 215     if (closure.is_null())
 216       return;
 217     static XEvent* marker_event = NULL;
 218     if (!marker_event) {
 219       marker_event = new XEvent();
 220       marker_event->xclient.type = ClientMessage;
 221       marker_event->xclient.display = x_display_;
 222       marker_event->xclient.window = x_window_;
 223       marker_event->xclient.format = 8;
 224     }
 225     marker_event->xclient.message_type = MarkerEventAtom();
 226     XSendEvent(x_display_, x_window_, False, 0, marker_event);
 227     ui::PlatformEventWaiter::Create(closure, base::Bind(&Matcher));
 228   }
 229  private:
 230   aura::Window* RootWindowForPoint(const gfx::Point& point) {
 231     // Most interactive_ui_tests run inside of the aura_test_helper
 232     // environment. This means that we can't rely on gfx::Screen and several
 233     // other things to work properly. Therefore we hack around this by
 234     // iterating across the windows owned DesktopWindowTreeHostX11 since this
 235     // doesn't rely on having a DesktopScreenX11.
 236     std::vector<aura::Window*> windows =
 237         DesktopWindowTreeHostX11::GetAllOpenWindows();
 238     for (std::vector<aura::Window*>::const_iterator it = windows.begin();
 239          it != windows.end(); ++it) {
 240       if ((*it)->GetBoundsInScreen().Contains(point)) {
 241         return (*it)->GetRootWindow();
 242       }
 243     }
 244
 245     NOTREACHED() << "Coulding find RW for " << point.ToString() << " among "
 246                  << windows.size() << " RWs.";
 247     return NULL;
 248   }
 249
 250   void SetKeycodeAndSendThenMask(aura::WindowTreeHost* host,
 251                                  XEvent* xevent,
 252                                  KeySym keysym,
 253                                  unsigned int mask) {
 254     xevent->xkey.keycode = XKeysymToKeycode(x_display_, keysym);
 255     aura::test::PostEventToWindowTreeHost(*xevent, host);
 256     xevent->xkey.state |= mask;
 257   }
 258
 259   void UnmaskAndSetKeycodeThenSend(aura::WindowTreeHost* host,
 260                                    XEvent* xevent,
 261                                    unsigned int mask,
 262                                    KeySym keysym) {
 263     xevent->xkey.state ^= mask;
 264     xevent->xkey.keycode = XKeysymToKeycode(x_display_, keysym);
 265     aura::test::PostEventToWindowTreeHost(*xevent, host);
 266   }
 267
 268   // Our X11 state.
 269   Display* x_display_;
 270   ::Window x_root_window_;
 271
 272   // Input-only window used for events.
 273   ::Window x_window_;
 274
 275   DISALLOW_COPY_AND_ASSIGN(UIControlsDesktopX11);
 276 };
 277
 278 }  // namespace
 279
 280 UIControlsAura* CreateUIControlsDesktopAura() {
 281   // The constructor of UIControlsDesktopX11 needs X11 connection to be
 282   // initialized.
 283   gfx::InitializeThreadedX11();
 284   return new UIControlsDesktopX11();
 285 }
 286
 287 }  // namespace test
 288 }  // namespace views