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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sts=2 sw=2 et cin: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#define NTDDI_VERSION NTDDI_WIN10_RS1
#include "OSKInputPaneManager.h"
#include "nsDebug.h"
#ifndef __MINGW32__
# include <inputpaneinterop.h>
# include <windows.ui.viewmanagement.h>
# include <wrl.h>
using namespace ABI::Windows::UI::ViewManagement;
using namespace Microsoft::WRL;
using namespace Microsoft::WRL::Wrappers;
#endif
namespace mozilla {
namespace widget {
#ifndef __MINGW32__
static ComPtr<IInputPane2> GetInputPane(HWND aHwnd) {
ComPtr<IInputPaneInterop> inputPaneInterop;
HRESULT hr = RoGetActivationFactory(
HStringReference(RuntimeClass_Windows_UI_ViewManagement_InputPane).Get(),
IID_PPV_ARGS(&inputPaneInterop));
if (NS_WARN_IF(FAILED(hr))) {
return nullptr;
}
ComPtr<IInputPane> inputPane;
hr = inputPaneInterop->GetForWindow(aHwnd, IID_PPV_ARGS(&inputPane));
if (NS_WARN_IF(FAILED(hr))) {
return nullptr;
}
ComPtr<IInputPane2> inputPane2;
inputPane.As(&inputPane2);
return inputPane2;
}
# ifdef DEBUG
static bool IsInputPaneVisible(ComPtr<IInputPane2>& aInputPane2) {
ComPtr<IInputPaneControl> inputPaneControl;
aInputPane2.As(&inputPaneControl);
if (NS_WARN_IF(!inputPaneControl)) {
return false;
}
boolean visible = false;
inputPaneControl->get_Visible(&visible);
return visible;
}
static bool IsForegroundApp() {
HWND foregroundWnd = ::GetForegroundWindow();
if (!foregroundWnd) {
return false;
}
DWORD pid;
::GetWindowThreadProcessId(foregroundWnd, &pid);
return pid == ::GetCurrentProcessId();
}
# endif
#endif
// static
void OSKInputPaneManager::ShowOnScreenKeyboard(HWND aWnd) {
#ifndef __MINGW32__
ComPtr<IInputPane2> inputPane2 = GetInputPane(aWnd);
if (!inputPane2) {
return;
}
boolean result;
inputPane2->TryShow(&result);
NS_WARNING_ASSERTION(
result || !IsForegroundApp() || IsInputPaneVisible(inputPane2),
"IInputPane2::TryShow is failure");
#endif
}
// static
void OSKInputPaneManager::DismissOnScreenKeyboard(HWND aWnd) {
#ifndef __MINGW32__
ComPtr<IInputPane2> inputPane2 = GetInputPane(aWnd);
if (!inputPane2) {
return;
}
boolean result;
inputPane2->TryHide(&result);
NS_WARNING_ASSERTION(
result || !IsForegroundApp() || !IsInputPaneVisible(inputPane2),
"IInputPane2::TryHide is failure");
#endif
}
} // namespace widget
} // namespace mozilla