Basic streaming and mouse input works

Makefile

@@ -22,6 +22,7 @@ SOURCES = \
     main.cpp                 \
     input.cpp                \
     gamepad.cpp              \
+    connectionlistener.cpp   \
 
 # Build rules generated by macros from common.mk:
 

connectionlistener.cpp

@@ -0,0 +1,49 @@
+#include "moonlight.hpp"
+
+#include "ppapi/c/ppb_input_event.h"
+
+#include "ppapi/cpp/input_event.h"
+#include "ppapi/cpp/mouse_lock.h"
+
+void MoonlightInstance::ClStageStarting(int stage) {
+    pp::Var response(std::string("Starting ") + std::string(LiGetStageName(stage)) + std::string("..."));
+    g_Instance->PostMessage(response);
+}
+
+void MoonlightInstance::ClStageFailed(int stage, long errorCode) {
+    pp::Var response(std::string("Starting ") + std::string(LiGetStageName(stage)) + std::string("failed"));
+    g_Instance->PostMessage(response);
+}
+
+void MoonlightInstance::ClConnectionStarted(void) {
+    pp::Module::Get()->core()->CallOnMainThread(0,
+        g_Instance->m_CallbackFactory.NewCallback(&MoonlightInstance::OnConnectionStarted));
+}
+
+void MoonlightInstance::ClConnectionTerminated(long errorCode) {
+    pp::Module::Get()->core()->CallOnMainThread(0,
+        g_Instance->m_CallbackFactory.NewCallback(&MoonlightInstance::OnConnectionStopped), (uint32_t)errorCode);
+    
+    pp::Var response("Connection terminated");
+    g_Instance->PostMessage(response);
+}
+
+void MoonlightInstance::ClDisplayMessage(char* message) {
+    pp::Var response(message);
+    g_Instance->PostMessage(response);
+}
+
+void MoonlightInstance::ClDisplayTransientMessage(char* message) {
+    pp::Var response(message);
+    g_Instance->PostMessage(response);
+}
+
+CONNECTION_LISTENER_CALLBACKS MoonlightInstance::s_ClCallbacks = {
+    MoonlightInstance::ClStageStarting,
+    NULL,
+    MoonlightInstance::ClStageFailed,
+    MoonlightInstance::ClConnectionStarted,
+    MoonlightInstance::ClConnectionTerminated,
+    MoonlightInstance::ClDisplayMessage,
+    MoonlightInstance::ClDisplayTransientMessage
+};

input.cpp

@@ -19,12 +19,28 @@ static int ConvertPPButtonToLiButton(PP_InputEvent_MouseButton ppButton) {
     }
 }
 
+void MoonlightInstance::DidLockMouse(int32_t result) {
+    m_MouseLocked = (result == PP_OK);
+}
+
+void MoonlightInstance::MouseLockLost() {
+    m_MouseLocked = false;
+}
+
 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) {
+                g_Instance->LockMouse(g_Instance->m_CallbackFactory.NewCallback(&MoonlightInstance::DidLockMouse));
+                
+                // Assume it worked until we get a callback telling us otherwise
+                m_MouseLocked = true;
+            }
+            
             pp::MouseInputEvent mouseEvent(event);
             
-            LiSendMouseButtonEvent(ConvertPPButtonToLiButton(mouseEvent.GetButton()), BUTTON_ACTION_PRESS);
+            LiSendMouseButtonEvent(BUTTON_ACTION_PRESS, ConvertPPButtonToLiButton(mouseEvent.GetButton()));
             return true;
         }
         
@@ -39,7 +55,7 @@ bool MoonlightInstance::HandleInputEvent(const pp::InputEvent& event) {
         case PP_INPUTEVENT_TYPE_MOUSEUP: {
             pp::MouseInputEvent mouseEvent(event);
             
-            LiSendMouseButtonEvent(ConvertPPButtonToLiButton(mouseEvent.GetButton()), BUTTON_ACTION_RELEASE);
+            LiSendMouseButtonEvent(BUTTON_ACTION_RELEASE, ConvertPPButtonToLiButton(mouseEvent.GetButton()));
             return true;
         }
         

main.cpp

@@ -1,5 +1,15 @@
 #include "moonlight.hpp"
 
+#include <pthread.h>
+#include <stdio.h>
+
+#include "ppapi/cpp/input_event.h"
+
+static char s_Host[256];
+static STREAM_CONFIGURATION s_StreamConfig;
+
+MoonlightInstance* g_Instance;
+
 MoonlightInstance::~MoonlightInstance() {}
 
 class MoonlightModule : public pp::Module {
@@ -12,6 +22,81 @@ class MoonlightModule : public pp::Module {
         }
 };
 
+void MoonlightInstance::OnConnectionStarted(uint32_t unused) {
+    printf("Connection started\n");
+    
+    // Start receiving input events
+    g_Instance->RequestInputEvents(PP_INPUTEVENT_CLASS_MOUSE);
+    g_Instance->RequestFilteringInputEvents(PP_INPUTEVENT_CLASS_WHEEL | PP_INPUTEVENT_CLASS_KEYBOARD);
+}
+
+void MoonlightInstance::OnConnectionStopped(uint32_t error) {
+    // Stop receiving input events
+    g_Instance->ClearInputEventRequest(PP_INPUTEVENT_CLASS_MOUSE | PP_INPUTEVENT_CLASS_WHEEL | PP_INPUTEVENT_CLASS_KEYBOARD);
+    
+    // Unlock the mouse
+    g_Instance->UnlockMouse();
+}
+
+void* MoonlightInstance::ConnectionThreadFunc(void* context) {
+    MoonlightInstance* me = (MoonlightInstance*)context;
+    int err;
+    
+    err = LiStartConnection(s_Host,
+                            &s_StreamConfig,
+                            &MoonlightInstance::s_ClCallbacks,
+                            NULL, NULL,
+                            NULL, 0, 4);
+    if (err != 0) {
+        pp::Var response("Starting connection failed");
+        g_Instance->PostMessage(response);
+        return NULL;
+    }
+    
+    for (;;) {
+        me->PollGamepads();
+    }
+    
+    return NULL;
+}
+
+void MoonlightInstance::HandleMessage(const pp::Var& var_message) {
+    // Ignore the message if it is not a string.
+    if (!var_message.is_string())
+        return;
+ 
+    std::string host = var_message.AsString();
+
+    // Populate the stream configuration
+    LiInitializeStreamConfiguration(&s_StreamConfig);
+    s_StreamConfig.width = 1280;
+    s_StreamConfig.height = 720;
+    s_StreamConfig.fps = 30;
+    s_StreamConfig.bitrate = 10; // megabits per second
+    s_StreamConfig.packetSize = 1024;
+    s_StreamConfig.streamingRemotely = 0;
+    s_StreamConfig.audioConfiguration = AUDIO_CONFIGURATION_STEREO;
+
+    // Store the host
+    host = host.substr(host.find(":") + 1);
+    strcpy(s_Host, host.c_str());
+    
+    // Post a status update before we begin
+    pp::Var response("Starting connection...");
+    PostMessage(response);
+    
+    // Start the worker thread to establish the connection
+    pthread_t t;
+    pthread_create(&t, NULL, MoonlightInstance::ConnectionThreadFunc, this);
+}
+
+bool MoonlightInstance::Init(uint32_t argc,
+                             const char* argn[],
+                             const char* argv[]) {
+    g_Instance = this;
+    return true;
+}
+
 namespace pp {
 Module* CreateModule() {
     return new MoonlightModule();

moonlight.hpp

@@ -1,14 +1,23 @@
 #include "ppapi/cpp/instance.h"
 #include "ppapi/cpp/module.h"
 #include "ppapi/cpp/var.h"
+#include "ppapi/cpp/mouse_lock.h"
 
 #include "ppapi/c/ppb_gamepad.h"
 
+#include "ppapi/utility/completion_callback_factory.h"
+
 #include "nacl_io/nacl_io.h"
 
-class MoonlightInstance : public pp::Instance {
+#include <Limelight.h>
+
+class MoonlightInstance : public pp::Instance, public pp::MouseLock {
     public:
-        explicit MoonlightInstance(PP_Instance instance) : pp::Instance(instance) {            
+        explicit MoonlightInstance(PP_Instance instance) :
+            pp::Instance(instance),
+            pp::MouseLock(this),
+            m_CallbackFactory(this),
+            m_MouseLocked(false) {            
             // This function MUST be used otherwise sockets don't work (nacl_io_init() doesn't work!)            
             nacl_io_init_ppapi(pp_instance(), pp::Module::Get()->get_browser_interface());
             
@@ -17,11 +26,42 @@ class MoonlightInstance : public pp::Instance {
         
         virtual ~MoonlightInstance();
         
+        bool Init(uint32_t argc, const char* argn[], const char* argv[]);
+        
+        void HandleMessage(const pp::Var& var_message);
+        
         bool HandleInputEvent(const pp::InputEvent& event);
         
         void PollGamepads();
         
+        void DidLockMouse(int32_t result);
+        
+        void MouseLockLost();
+        
+        void OnConnectionStopped(uint32_t unused);
+        
+        void OnConnectionStarted(uint32_t error);
+        
+        static void* ConnectionThreadFunc(void* context);
+        
+        static void ClStageStarting(int stage);
+
+        static void ClStageFailed(int stage, long errorCode);
+
+        static void ClConnectionStarted(void);
+
+        static void ClConnectionTerminated(long errorCode);
+
+        static void ClDisplayMessage(char* message);
+
+        static void ClDisplayTransientMessage(char* message);
+
     private:
         double m_LastPadTimestamps[4];
         const PPB_Gamepad* m_GamepadApi;
-};
+        static CONNECTION_LISTENER_CALLBACKS s_ClCallbacks;
+        pp::CompletionCallbackFactory<MoonlightInstance> m_CallbackFactory;
+        bool m_MouseLocked;
+};
+
+extern MoonlightInstance* g_Instance;