bring over phonelibs minus frida-gum and qsml

phonelibs/android_frameworks_native/include/input/Keyboard.h

@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _LIBINPUT_KEYBOARD_H
+#define _LIBINPUT_KEYBOARD_H
+
+#include <input/Input.h>
+#include <input/InputDevice.h>
+#include <input/InputEventLabels.h>
+#include <utils/Errors.h>
+#include <utils/String8.h>
+#include <utils/PropertyMap.h>
+
+namespace android {
+
+enum {
+    /* Device id of the built in keyboard. */
+    DEVICE_ID_BUILT_IN_KEYBOARD = 0,
+
+    /* Device id of a generic virtual keyboard with a full layout that can be used
+     * to synthesize key events. */
+    DEVICE_ID_VIRTUAL_KEYBOARD = -1,
+};
+
+class KeyLayoutMap;
+class KeyCharacterMap;
+
+/**
+ * Loads the key layout map and key character map for a keyboard device.
+ */
+class KeyMap {
+public:
+    String8 keyLayoutFile;
+    sp<KeyLayoutMap> keyLayoutMap;
+
+    String8 keyCharacterMapFile;
+    sp<KeyCharacterMap> keyCharacterMap;
+
+    KeyMap();
+    ~KeyMap();
+
+    status_t load(const InputDeviceIdentifier& deviceIdenfier,
+            const PropertyMap* deviceConfiguration);
+
+    inline bool haveKeyLayout() const {
+        return !keyLayoutFile.isEmpty();
+    }
+
+    inline bool haveKeyCharacterMap() const {
+        return !keyCharacterMapFile.isEmpty();
+    }
+
+    inline bool isComplete() const {
+        return haveKeyLayout() && haveKeyCharacterMap();
+    }
+
+private:
+    bool probeKeyMap(const InputDeviceIdentifier& deviceIdentifier, const String8& name);
+    status_t loadKeyLayout(const InputDeviceIdentifier& deviceIdentifier, const String8& name);
+    status_t loadKeyCharacterMap(const InputDeviceIdentifier& deviceIdentifier,
+            const String8& name);
+    String8 getPath(const InputDeviceIdentifier& deviceIdentifier,
+            const String8& name, InputDeviceConfigurationFileType type);
+};
+
+/**
+ * Returns true if the keyboard is eligible for use as a built-in keyboard.
+ */
+extern bool isEligibleBuiltInKeyboard(const InputDeviceIdentifier& deviceIdentifier,
+        const PropertyMap* deviceConfiguration, const KeyMap* keyMap);
+
+/**
+ * Updates a meta state field when a key is pressed or released.
+ */
+extern int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState);
+
+/**
+ * Normalizes the meta state such that if either the left or right modifier
+ * meta state bits are set then the result will also include the universal
+ * bit for that modifier.
+ */
+extern int32_t normalizeMetaState(int32_t oldMetaState);
+
+/**
+ * Returns true if a key is a meta key like ALT or CAPS_LOCK.
+ */
+extern bool isMetaKey(int32_t keyCode);
+
+} // namespace android
+
+#endif // _LIBINPUT_KEYBOARD_H