| // Copyright 2013 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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_WIDGET_INPUT_IME_EVENT_GUARD_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_PLATFORM_WIDGET_INPUT_IME_EVENT_GUARD_H_ |
| |
| #include "base/memory/weak_ptr.h" |
| |
| namespace blink { |
| class WidgetBase; |
| |
| // Simple RAII object for guarding IME updates. Calls OnImeGuardStart on |
| // construction and OnImeGuardFinish on destruction. |
| class ImeEventGuard { |
| public: |
| // The ImeEventGuard is intended to be allocated on the stack. A WeakPtr is |
| // used because the associated RenderWidget may be destroyed while this |
| // variable is on the stack. (i.e. inside a nested event loop). |
| explicit ImeEventGuard(base::WeakPtr<WidgetBase> widget); |
| ~ImeEventGuard(); |
| |
| bool show_virtual_keyboard() const { return show_virtual_keyboard_; } |
| void set_show_virtual_keyboard(bool show) { show_virtual_keyboard_ = show; } |
| |
| private: |
| base::WeakPtr<WidgetBase> widget_; |
| bool show_virtual_keyboard_ = false; |
| }; |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_WIDGET_INPUT_IME_EVENT_GUARD_H_ |