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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_RENDERER_HOST_VIRTUAL_KEYBOARD_CONTROLLER_WIN_H_
#define CONTENT_BROWSER_RENDERER_HOST_VIRTUAL_KEYBOARD_CONTROLLER_WIN_H_
#include "base/memory/raw_ptr.h"
#include "ui/base/ime/virtual_keyboard_controller_observer.h"
namespace gfx {
class Rect;
}
namespace ui {
namespace mojom {
class TextInputState;
}
class InputMethod;
}
namespace content {
class RenderWidgetHostViewAura;
// This class implements the ui::VirtualKeyboardControllerObserver interface
// which provides notifications about the on-screen keyboard on Windows getting
// displayed or hidden in response to taps on editable fields.
// It provides functionality to request blink to scroll the input field if it
// is obscured by the on screen keyboard.
// TryShow/TryHide APIs are Windows system APIs that are used to show/hide VK
// respectively.
// https://docs.microsoft.com/en-us/uwp/api/windows.ui.viewmanagement.inputpane?view=winrt-18362
class VirtualKeyboardControllerWin
: public ui::VirtualKeyboardControllerObserver {
public:
VirtualKeyboardControllerWin(RenderWidgetHostViewAura* host_view,
ui::InputMethod* input_method);
VirtualKeyboardControllerWin(const VirtualKeyboardControllerWin&) = delete;
~VirtualKeyboardControllerWin() override;
VirtualKeyboardControllerWin& operator=(const VirtualKeyboardControllerWin&) =
delete;
void UpdateTextInputState(const ui::mojom::TextInputState* state);
void FocusedNodeChanged(bool is_editable);
void HideAndNotifyKeyboardInset();
// VirtualKeyboardControllerObserver overrides.
void OnKeyboardVisible(const gfx::Rect& keyboard_rect) override;
void OnKeyboardHidden() override;
private:
void ShowVirtualKeyboard();
void HideVirtualKeyboard();
bool IsPointerTypeValidForVirtualKeyboard() const;
raw_ptr<RenderWidgetHostViewAura> host_view_;
raw_ptr<ui::InputMethod> input_method_;
bool observers_registered_ = false;
bool virtual_keyboard_shown_ = false;
bool is_manual_policy_ = false;
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_VIRTUAL_KEYBOARD_CONTROLLER_WIN_H_
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