blob: 920733f154f81bf017b8e32335f0c7e72fb1931b [file] [log] [blame]
// Copyright (c) 2012 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/Xlib.h>
#include "base/compiler_specific.h"
#include "base/message_loop/message_loop.h"
#include "ui/events/event_handler.h"
#include "ui/gfx/x/x11_atom_cache.h"
#include "ui/gfx/x/x11_types.h"
#include "ui/views/views_export.h"
namespace aura {
class Window;
namespace gfx {
class Point;
namespace views {
class DesktopWindowTreeHost;
class NativeWidgetAura;
// An EventFilter that sets properties on X11 windows.
class VIEWS_EXPORT X11WindowEventFilter : public ui::EventHandler {
explicit X11WindowEventFilter(DesktopWindowTreeHost* window_tree_host);
virtual ~X11WindowEventFilter();
// Overridden from ui::EventHandler:
virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
// Called when the user clicked the caption area.
void OnClickedCaption(ui::MouseEvent* event,
int previous_click_component);
// Called when the user clicked the maximize button.
void OnClickedMaximizeButton(ui::MouseEvent* event);
void ToggleMaximizedState();
// Dispatches a _NET_WM_MOVERESIZE message to the window manager to tell it
// to act as if a border or titlebar drag occurred.
bool DispatchHostWindowDragMovement(int hittest,
const gfx::Point& screen_location);
// The display and the native X window hosting the root window.
XDisplay* xdisplay_;
::Window xwindow_;
// The native root window.
::Window x_root_window_;
ui::X11AtomCache atom_cache_;
DesktopWindowTreeHost* window_tree_host_;
// True if |xwindow_| is the current _NET_ACTIVE_WINDOW.
bool is_active_;
// The non-client component for the target of a MouseEvent. Mouse events can
// be destructive to the window tree, which can cause the component of a
// ui::EF_IS_DOUBLE_CLICK event to no longer be the same as that of the
// initial click. Acting on a double click should only occur for matching
// components.
int click_component_;
} // namespace views