views: Move bubble, events, focus and layout to ui/views/.

views/focus/accelerator_handler_touch.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 "views/focus/accelerator_handler.h"
-
-#include <bitset>
-#include <gtk/gtk.h>
-#include <X11/extensions/XInput2.h>
-
-#include "ui/base/touch/touch_factory.h"
-#include "ui/views/ime/input_method.h"
-#include "views/events/event.h"
-#include "views/focus/focus_manager.h"
-#include "views/view.h"
-#include "views/widget/native_widget.h"
-
-namespace views {
-
-namespace {
-
-Widget* FindWidgetForGdkWindow(GdkWindow* gdk_window) {
-  gpointer data = NULL;
-  gdk_window_get_user_data(gdk_window, &data);
-  GtkWidget* gtk_widget = reinterpret_cast<GtkWidget*>(data);
-  if (!gtk_widget || !GTK_IS_WIDGET(gtk_widget)) {
-    DLOG(WARNING) << "no GtkWidget found for that GdkWindow";
-    return NULL;
-  }
-  Widget* widget = Widget::GetWidgetForNativeView(gtk_widget);
-
-  if (!widget) {
-    DLOG(WARNING) << "no NativeWidgetGtk found for that GtkWidget";
-    return NULL;
-  }
-  return widget;
-}
-
-}  // namespace
-
-bool DispatchX2Event(Widget* widget, XEvent* xev) {
-  XGenericEventCookie* cookie = &xev->xcookie;
-  switch (cookie->evtype) {
-    case XI_KeyPress:
-    case XI_KeyRelease: {
-      // TODO(sad): We don't capture XInput2 events from keyboard yet.
-      break;
-    }
-#if defined(USE_XI2_MT)
-    case XI_TouchBegin:
-    case XI_TouchEnd:
-    case XI_TouchUpdate: {
-      // Hide the cursor when a touch event comes in.
-      ui::TouchFactory::GetInstance()->SetCursorVisible(false, false);
-
-      // If the TouchEvent is processed by |widget|, then return.
-      TouchEvent touch(xev);
-      if (widget->OnTouchEvent(touch) != ui::TOUCH_STATUS_UNKNOWN)
-        return true;
-
-      // We do not want to generate a mouse event for an unprocessed touch
-      // event here. That is already done by the gesture manager in
-      // RootView::OnTouchEvent.
-      return false;
-    }
-#endif
-    case XI_ButtonPress:
-    case XI_ButtonRelease:
-    case XI_Motion: {
-      XIDeviceEvent* xievent = static_cast<XIDeviceEvent*>(cookie->data);
-
-      // Scrolling the wheel generates press/release events with button id's 4
-      // and 5. In case of a wheelscroll, we do not want to show the cursor.
-      if (xievent->detail == 4 || xievent->detail == 5) {
-        MouseWheelEvent wheelev(xev);
-        return widget->OnMouseEvent(wheelev);
-      }
-
-      ui::TouchFactory* factory = ui::TouchFactory::GetInstance();
-      // Is the event coming from a touch device?
-      if (factory->IsTouchDevice(xievent->sourceid)) {
-        // Hide the cursor when a touch event comes in.
-        factory->SetCursorVisible(false, false);
-
-        // With XInput 2.0, XI_ButtonPress and XI_ButtonRelease events are
-        // ignored, as XI_Motion events contain enough data to detect finger
-        // press and release. See more notes in TouchFactory::TouchParam.
-        if ((cookie->evtype == XI_ButtonPress ||
-             cookie->evtype == XI_ButtonRelease) &&
-            factory->IsRealTouchDevice(xievent->sourceid))
-          return false;
-
-        // If the TouchEvent is processed by |widget|, then return. Otherwise
-        // let it fall through so it can be used as a MouseEvent, if desired.
-        TouchEvent touch(xev);
-        if (widget->OnTouchEvent(touch) != ui::TOUCH_STATUS_UNKNOWN)
-          return true;
-
-        // We do not want to generate a mouse event for an unprocessed touch
-        // event here. That is already done by the gesture manager in
-        // RootView::OnTouchEvent.
-        return false;
-      } else {
-        MouseEvent mouseev(xev);
-
-        // Show the cursor. Start a timer to hide the cursor after a delay on
-        // move (not drag) events, or if the only button pressed is released.
-        bool start_timer = mouseev.type() == ui::ET_MOUSE_MOVED;
-        start_timer |= mouseev.type() == ui::ET_MOUSE_RELEASED &&
-                       (mouseev.IsOnlyLeftMouseButton() ||
-                        mouseev.IsOnlyMiddleMouseButton() ||
-                        mouseev.IsOnlyRightMouseButton());
-        factory->SetCursorVisible(true, start_timer);
-
-        return widget->OnMouseEvent(mouseev);
-      }
-    }
-  }
-  return false;
-}
-
-bool DispatchXEvent(XEvent* xev) {
-  GdkDisplay* gdisp = gdk_display_get_default();
-  XID xwindow = xev->xany.window;
-
-  if (xev->type == GenericEvent) {
-    if (!ui::TouchFactory::GetInstance()->ShouldProcessXI2Event(xev))
-      return true;  // Consume the event.
-
-    XGenericEventCookie* cookie = &xev->xcookie;
-    if (cookie->evtype == XI_HierarchyChanged) {
-      ui::TouchFactory::GetInstance()->UpdateDeviceList(cookie->display);
-      return true;
-    }
-
-    XIDeviceEvent* xiev = static_cast<XIDeviceEvent*>(cookie->data);
-    xwindow = xiev->event;
-  }
-
-  GdkWindow* gwind = gdk_window_lookup_for_display(gdisp, xwindow);
-  Widget* widget = FindWidgetForGdkWindow(gwind);
-  if (widget) {
-    switch (xev->type) {
-      case KeyPress:
-      case KeyRelease: {
-        KeyEvent keyev(xev);
-        InputMethod* ime = widget->GetInputMethod();
-        // Always dispatch key events to the input method first, to make sure
-        // that the input method's hotkeys work all time.
-        if (ime) {
-          ime->DispatchKeyEvent(keyev);
-          return true;
-        }
-        return widget->OnKeyEvent(keyev);
-      }
-      case ButtonPress:
-      case ButtonRelease:
-        if (xev->xbutton.button == 4 || xev->xbutton.button == 5) {
-          // Scrolling the wheel triggers button press/release events.
-          MouseWheelEvent wheelev(xev);
-          return widget->OnMouseEvent(wheelev);
-        }
-        // fallthrough
-      case MotionNotify: {
-        MouseEvent mouseev(xev);
-        return widget->OnMouseEvent(mouseev);
-      }
-
-      case GenericEvent: {
-        return DispatchX2Event(widget, xev);
-      }
-    }
-  }
-
-  return false;
-}
-
-AcceleratorHandler::AcceleratorHandler() {}
-
-base::MessagePumpDispatcher::DispatchStatus
-    AcceleratorHandler::Dispatch(XEvent* xev) {
-  return DispatchXEvent(xev) ?
-      base::MessagePumpDispatcher::EVENT_PROCESSED :
-      base::MessagePumpDispatcher::EVENT_IGNORED;
-}
-
-}  // namespace views