12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758 |
- // Copyright 2019 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_EXTENSIONS_X11_EXTENSION_DELEGATE_H_
- #define UI_PLATFORM_WINDOW_EXTENSIONS_X11_EXTENSION_DELEGATE_H_
- #include "base/component_export.h"
- #include "ui/base/buildflags.h"
- #include "ui/gfx/geometry/rect.h"
- #if BUILDFLAG(USE_ATK)
- using AtkKeyEventStruct = struct _AtkKeyEventStruct;
- #endif
- namespace ui {
- class COMPONENT_EXPORT(PLATFORM_WINDOW) X11ExtensionDelegate {
- public:
- // Notifies if the PlatformWindow looses a mouse grab. This can be useful
- // for Wayland or X11. Both of them provide pointer enter and leave
- // notifications, which non-ozone X11 (just an example) use to be using to
- // notify about lost pointer grab along with explicit grabs. Wayland also
- // has this technique. However, explicit grab is available only for popup
- // (menu) windows.
- virtual void OnLostMouseGrab() = 0;
- #if BUILDFLAG(USE_ATK)
- // Notifies an ATK key event to be processed. The transient parameter will be
- // true if the event target is a transient window (e.g. a modal dialog)
- // "hanging" from our window. Return true to stop propagation of the original
- // key event.
- virtual bool OnAtkKeyEvent(AtkKeyEventStruct* atk_key_event,
- bool transient) = 0;
- #endif
- // Returns true if this window should be in a forced override-redirect state
- // (not managed by the window manager).
- virtual bool IsOverrideRedirect() const = 0;
- // Returns guessed size we will have after the switch to/from fullscreen:
- // - (may) avoid transient states
- // - works around Flash content which expects to have the size updated
- // synchronously.
- // See https://crbug.com/361408
- // TODO(1096425): remove this and let this managed by X11ScreenOzone that
- // Ozone's X11Window should be able to access instead. This delegate method
- // is required as non-Ozone/X11 is not able to determine matching display
- // as it requires to know bounds in dip.
- virtual gfx::Rect GetGuessedFullScreenSizeInPx() const = 0;
- protected:
- virtual ~X11ExtensionDelegate() = default;
- };
- } // namespace ui
- #endif // UI_PLATFORM_WINDOW_EXTENSIONS_X11_EXTENSION_DELEGATE_H_
|