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#include "moonlight.hpp"
#include "ppapi/c/ppb_input_event.h"
#include "ppapi/cpp/input_event.h"
#include <Limelight.h>
#define KEY_PREFIX 0x80
static int ConvertPPButtonToLiButton(PP_InputEvent_MouseButton ppButton) {
switch (ppButton) {
case PP_INPUTEVENT_MOUSEBUTTON_LEFT:
return BUTTON_LEFT;
case PP_INPUTEVENT_MOUSEBUTTON_MIDDLE:
return BUTTON_MIDDLE;
case PP_INPUTEVENT_MOUSEBUTTON_RIGHT:
return BUTTON_RIGHT;
default:
return 0;
}
}
void MoonlightInstance::DidLockMouse(int32_t result) {
m_MouseLocked = (result == PP_OK);
if (m_MouseLocked) {
// Request an IDR frame to dump the frame queue that may have
// built up from the GL pipeline being stalled.
g_Instance->m_RequestIdrFrame = true;
}
}
void MoonlightInstance::MouseLockLost() {
m_MouseLocked = false;
}
static char GetModifierFlags(const pp::InputEvent& event) {
uint32_t modifiers = event.GetModifiers();
char flags = 0;
if (modifiers & PP_INPUTEVENT_MODIFIER_SHIFTKEY) {
flags |= MODIFIER_SHIFT;
}
if (modifiers & PP_INPUTEVENT_MODIFIER_CONTROLKEY) {
flags |= MODIFIER_CTRL;
}
if (modifiers & PP_INPUTEVENT_MODIFIER_ALTKEY) {
flags |= MODIFIER_ALT;
}
return flags;
}
bool MoonlightInstance::HandleInputEvent(const pp::InputEvent& event) {
switch (event.GetType()) {
case PP_INPUTEVENT_TYPE_MOUSEDOWN: {
// Lock the mouse cursor when the user clicks on the stream
if (!m_MouseLocked) {
LockMouse(m_CallbackFactory.NewCallback(&MoonlightInstance::DidLockMouse));
// Assume it worked until we get a callback telling us otherwise
m_MouseLocked = true;
return true;
}
pp::MouseInputEvent mouseEvent(event);
LiSendMouseButtonEvent(BUTTON_ACTION_PRESS, ConvertPPButtonToLiButton(mouseEvent.GetButton()));
return true;
}
case PP_INPUTEVENT_TYPE_MOUSEMOVE: {
if (!m_MouseLocked) {
return false;
}
pp::MouseInputEvent mouseEvent(event);
pp::Point posDelta = mouseEvent.GetMovement();
LiSendMouseMoveEvent(posDelta.x(), posDelta.y());
return true;
}
case PP_INPUTEVENT_TYPE_MOUSEUP: {
if (!m_MouseLocked) {
return false;
}
pp::MouseInputEvent mouseEvent(event);
LiSendMouseButtonEvent(BUTTON_ACTION_RELEASE, ConvertPPButtonToLiButton(mouseEvent.GetButton()));
return true;
}
case PP_INPUTEVENT_TYPE_WHEEL: {
signed char fullTicks;
if (!m_MouseLocked) {
return false;
}
pp::WheelInputEvent wheelEvent(event);
// Accumulate the current tick value
m_AccumulatedTicks += wheelEvent.GetTicks().y();
// Compute the number of full ticks
fullTicks = (signed char) m_AccumulatedTicks;
// Send a scroll event if we've completed a full tick
if (fullTicks != 0) {
LiSendScrollEvent(fullTicks);
m_AccumulatedTicks -= fullTicks;
}
return true;
}
case PP_INPUTEVENT_TYPE_KEYDOWN: {
if (!m_MouseLocked) {
return false;
}
pp::KeyboardInputEvent keyboardEvent(event);
char modifiers = GetModifierFlags(event);
if (modifiers == (MODIFIER_ALT | MODIFIER_CTRL | MODIFIER_SHIFT)) {
if (keyboardEvent.GetKeyCode() == 0x51) { // Q key
// Terminate the connection
StopConnection();
return true;
}
else {
// Wait until these keys come up to unlock the mouse
m_WaitingForAllModifiersUp = true;
}
}
LiSendKeyboardEvent(KEY_PREFIX << 8 | keyboardEvent.GetKeyCode(),
KEY_ACTION_DOWN, modifiers);
return true;
}
case PP_INPUTEVENT_TYPE_KEYUP: {
if (!m_MouseLocked) {
return false;
}
pp::KeyboardInputEvent keyboardEvent(event);
char modifiers = GetModifierFlags(event);
// Check if all modifiers are up now
if (m_WaitingForAllModifiersUp && modifiers == 0) {
UnlockMouse();
m_MouseLocked = false;
m_WaitingForAllModifiersUp = false;
}
LiSendKeyboardEvent(KEY_PREFIX << 8 | keyboardEvent.GetKeyCode(),
KEY_ACTION_UP, modifiers);
return true;
}
default: {
return false;
}
}
}