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