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// Copyright 2016 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.
#ifndef UI_PLATFORM_WINDOW_X11_X11_WINDOW_BASE_H_
#define UI_PLATFORM_WINDOW_X11_X11_WINDOW_BASE_H_
#include <stdint.h>
#include "base/callback.h"
#include "base/macros.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/x/x11_atom_cache.h"
#include "ui/platform_window/platform_window.h"
#include "ui/platform_window/platform_window_delegate.h"
#include "ui/platform_window/x11/x11_window_export.h"
typedef struct _XDisplay XDisplay;
typedef unsigned long XID;
typedef union _XEvent XEvent;
namespace ui {
// Abstract base implementation for a X11 based PlatformWindow. Methods that
// are platform specific are left unimplemented.
class X11_WINDOW_EXPORT X11WindowBase : public PlatformWindow {
public:
explicit X11WindowBase(PlatformWindowDelegate* delegate);
~X11WindowBase() override;
// Creates new underlying XWindow. Does not map XWindow.
void Create();
// PlatformWindow:
void Show() override;
void Hide() override;
void Close() override;
void SetBounds(const gfx::Rect& bounds) override;
gfx::Rect GetBounds() override;
void SetTitle(const base::string16& title) override;
void SetCapture() override;
void ReleaseCapture() override;
void ToggleFullscreen() override;
void Maximize() override;
void Minimize() override;
void Restore() override;
void MoveCursorTo(const gfx::Point& location) override;
void ConfineCursorToBounds(const gfx::Rect& bounds) override;
PlatformImeController* GetPlatformImeController() override;
protected:
void Destroy();
PlatformWindowDelegate* delegate() { return delegate_; }
XDisplay* xdisplay() { return xdisplay_; }
XID xwindow() const { return xwindow_; }
// Checks if XEvent is for this XWindow.
bool IsEventForXWindow(const XEvent& xev) const;
// Processes events for this XWindow.
void ProcessXWindowEvent(XEvent* xev);
private:
PlatformWindowDelegate* delegate_;
XDisplay* xdisplay_;
XID xwindow_;
XID xroot_window_;
X11AtomCache atom_cache_;
base::string16 window_title_;
// Setting the bounds is an asynchronous operation in X11. |requested_bounds_|
// is the bounds requested using XConfigureWindow, and |confirmed_bounds_| is
// the bounds the X11 server has set on the window.
gfx::Rect requested_bounds_;
gfx::Rect confirmed_bounds_;
bool window_mapped_ = false;
DISALLOW_COPY_AND_ASSIGN(X11WindowBase);
};
namespace test {
// Sets the value of the |override_redirect| flag when creating an X11 window.
// It is necessary to set this flag on for various tests, otherwise the call to
// X11WindowBase::Show() blocks because it never receives the MapNotify event.
// It is
// unclear why this is necessary, but might be related to calls to
// XInitThreads().
X11_WINDOW_EXPORT void SetUseOverrideRedirectWindowByDefault(
bool override_redirect);
} // namespace test
} // namespace ui
#endif // UI_PLATFORM_WINDOW_X11_X11_WINDOW_BASE_H_