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// Copyright 2013 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 <X11/keysym.h>
#include <X11/Xlib.h>
#include "base/bind.h"
#include "base/logging.h"
#include "ui/aura/client/screen_position_client.h"
#include "ui/aura/env.h"
#include "ui/aura/test/aura_test_utils.h"
#include "ui/aura/test/ui_controls_factory_aura.h"
#include "ui/aura/test/x11_event_sender.h"
#include "ui/aura/window.h"
#include "ui/aura/window_tree_host.h"
#include "ui/base/test/ui_controls_aura.h"
#include "ui/base/x/x11_util.h"
#include "ui/compositor/dip_util.h"
#include "ui/events/keycodes/keyboard_code_conversion_x.h"
#include "ui/events/test/platform_event_waiter.h"
namespace aura {
namespace test {
namespace {
using ui_controls::DOWN;
using ui_controls::LEFT;
using ui_controls::MIDDLE;
using ui_controls::MouseButton;
using ui_controls::RIGHT;
using ui_controls::UIControlsAura;
using ui_controls::UP;
// Mask of the buttons currently down.
unsigned button_down_mask = 0;
// Returns atom that indidates that the XEvent is marker event.
Atom MarkerEventAtom() {
return XInternAtom(gfx::GetXDisplay(), "marker_event", False);
}
// Returns true when the event is a marker event.
bool Matcher(const base::NativeEvent& event) {
return event->xany.type == ClientMessage &&
event->xclient.message_type == MarkerEventAtom();
}
class UIControlsX11 : public UIControlsAura {
public:
UIControlsX11(WindowTreeHost* host) : host_(host) {
}
bool SendKeyPress(gfx::NativeWindow window,
ui::KeyboardCode key,
bool control,
bool shift,
bool alt,
bool command) override {
return SendKeyPressNotifyWhenDone(
window, key, control, shift, alt, command, base::Closure());
}
bool SendKeyPressNotifyWhenDone(gfx::NativeWindow window,
ui::KeyboardCode key,
bool control,
bool shift,
bool alt,
bool command,
const base::Closure& closure) override {
XEvent xevent = {0};
xevent.xkey.type = KeyPress;
if (control)
SetKeycodeAndSendThenMask(&xevent, XK_Control_L, ControlMask);
if (shift)
SetKeycodeAndSendThenMask(&xevent, XK_Shift_L, ShiftMask);
if (alt)
SetKeycodeAndSendThenMask(&xevent, XK_Alt_L, Mod1Mask);
if (command)
SetKeycodeAndSendThenMask(&xevent, XK_Meta_L, Mod4Mask);
xevent.xkey.keycode =
XKeysymToKeycode(gfx::GetXDisplay(),
ui::XKeysymForWindowsKeyCode(key, shift));
PostEventToWindowTreeHost(xevent, host_);
// Send key release events.
xevent.xkey.type = KeyRelease;
PostEventToWindowTreeHost(xevent, host_);
if (alt)
UnmaskAndSetKeycodeThenSend(&xevent, Mod1Mask, XK_Alt_L);
if (shift)
UnmaskAndSetKeycodeThenSend(&xevent, ShiftMask, XK_Shift_L);
if (control)
UnmaskAndSetKeycodeThenSend(&xevent, ControlMask, XK_Control_L);
if (command)
UnmaskAndSetKeycodeThenSend(&xevent, Mod4Mask, XK_Meta_L);
DCHECK(!xevent.xkey.state);
RunClosureAfterAllPendingUIEvents(closure);
return true;
}
bool SendMouseMove(long screen_x, long screen_y) override {
return SendMouseMoveNotifyWhenDone(screen_x, screen_y, base::Closure());
}
bool SendMouseMoveNotifyWhenDone(long screen_x,
long screen_y,
const base::Closure& closure) override {
gfx::Point root_location(screen_x, screen_y);
aura::client::ScreenPositionClient* screen_position_client =
aura::client::GetScreenPositionClient(host_->window());
if (screen_position_client) {
screen_position_client->ConvertPointFromScreen(host_->window(),
&root_location);
}
gfx::Point root_current_location =
QueryLatestMousePositionRequestInHost(host_);
host_->ConvertPointFromHost(&root_current_location);
if (root_location != root_current_location && button_down_mask == 0) {
// Move the cursor because EnterNotify/LeaveNotify are generated with the
// current mouse position as a result of XGrabPointer()
host_->window()->MoveCursorTo(root_location);
} else {
XEvent xevent = {0};
XMotionEvent* xmotion = &xevent.xmotion;
xmotion->type = MotionNotify;
xmotion->x = root_location.x();
xmotion->y = root_location.y();
xmotion->state = button_down_mask;
xmotion->same_screen = True;
// WindowTreeHost will take care of other necessary fields.
PostEventToWindowTreeHost(xevent, host_);
}
RunClosureAfterAllPendingUIEvents(closure);
return true;
}
bool SendMouseEvents(MouseButton type, int state) override {
return SendMouseEventsNotifyWhenDone(type, state, base::Closure());
}
bool SendMouseEventsNotifyWhenDone(MouseButton type,
int state,
const base::Closure& closure) override {
XEvent xevent = {0};
XButtonEvent* xbutton = &xevent.xbutton;
gfx::Point mouse_loc = aura::Env::GetInstance()->last_mouse_location();
aura::client::ScreenPositionClient* screen_position_client =
aura::client::GetScreenPositionClient(host_->window());
if (screen_position_client) {
screen_position_client->ConvertPointFromScreen(host_->window(),
&mouse_loc);
}
xbutton->x = mouse_loc.x();
xbutton->y = mouse_loc.y();
xbutton->same_screen = True;
switch (type) {
case LEFT:
xbutton->button = Button1;
xbutton->state = Button1Mask;
break;
case MIDDLE:
xbutton->button = Button2;
xbutton->state = Button2Mask;
break;
case RIGHT:
xbutton->button = Button3;
xbutton->state = Button3Mask;
break;
}
// WindowEventDispatcher will take care of other necessary fields.
if (state & DOWN) {
xevent.xbutton.type = ButtonPress;
PostEventToWindowTreeHost(xevent, host_);
button_down_mask |= xbutton->state;
}
if (state & UP) {
xevent.xbutton.type = ButtonRelease;
PostEventToWindowTreeHost(xevent, host_);
button_down_mask = (button_down_mask | xbutton->state) ^ xbutton->state;
}
RunClosureAfterAllPendingUIEvents(closure);
return true;
}
bool SendMouseClick(MouseButton type) override {
return SendMouseEvents(type, UP | DOWN);
}
void RunClosureAfterAllPendingUIEvents(
const base::Closure& closure) override {
if (closure.is_null())
return;
static XEvent* marker_event = NULL;
if (!marker_event) {
marker_event = new XEvent();
marker_event->xclient.type = ClientMessage;
marker_event->xclient.display = NULL;
marker_event->xclient.window = None;
marker_event->xclient.format = 8;
}
marker_event->xclient.message_type = MarkerEventAtom();
PostEventToWindowTreeHost(*marker_event, host_);
ui::PlatformEventWaiter::Create(closure, base::Bind(&Matcher));
}
private:
void SetKeycodeAndSendThenMask(XEvent* xevent,
KeySym keysym,
unsigned int mask) {
xevent->xkey.keycode =
XKeysymToKeycode(gfx::GetXDisplay(), keysym);
PostEventToWindowTreeHost(*xevent, host_);
xevent->xkey.state |= mask;
}
void UnmaskAndSetKeycodeThenSend(XEvent* xevent,
unsigned int mask,
KeySym keysym) {
xevent->xkey.state ^= mask;
xevent->xkey.keycode =
XKeysymToKeycode(gfx::GetXDisplay(), keysym);
PostEventToWindowTreeHost(*xevent, host_);
}
WindowTreeHost* host_;
DISALLOW_COPY_AND_ASSIGN(UIControlsX11);
};
} // namespace
UIControlsAura* CreateUIControlsAura(WindowTreeHost* host) {
return new UIControlsX11(host);
}
} // namespace test
} // namespace aura
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