| // 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" |
| |
| #if BUILDFLAG(USE_ATK) |
| using AtkKeyEventStruct = struct _AtkKeyEventStruct; |
| #endif |
| |
| class SkPath; |
| |
| namespace gfx { |
| class Size; |
| } |
| |
| namespace ui { |
| |
| class COMPONENT_EXPORT(EXTENSIONS) 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; |
| |
| // Returns a mask to be used to clip the window for the given |
| // size. This is used to create the non-rectangular window shape. |
| virtual void GetWindowMask(const gfx::Size& size, SkPath* window_mask) = 0; |
| |
| #if BUILDFLAG(USE_ATK) |
| virtual bool OnAtkKeyEvent(AtkKeyEventStruct* atk_key_event) = 0; |
| #endif |
| |
| // Returns true if this window should be in a forced override-redirect state |
| // (not maanged by the window manager). |
| virtual bool IsOverrideRedirect() const = 0; |
| |
| protected: |
| virtual ~X11ExtensionDelegate() = default; |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_PLATFORM_WINDOW_EXTENSIONS_X11_EXTENSION_DELEGATE_H_ |