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-rw-r--r--widget/windows/OSKInputPaneManager.cpp101
1 files changed, 101 insertions, 0 deletions
diff --git a/widget/windows/OSKInputPaneManager.cpp b/widget/windows/OSKInputPaneManager.cpp
new file mode 100644
index 0000000000..293a84cd28
--- /dev/null
+++ b/widget/windows/OSKInputPaneManager.cpp
@@ -0,0 +1,101 @@
+/* -*- 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