1 /* 2 * Copyright 2016 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef surface_glue_android_DEFINED 9 #define surface_glue_android_DEFINED 10 11 #include <pthread.h> 12 13 #include <android/native_window_jni.h> 14 15 #include "SkString.h" 16 17 #include "../Application.h" 18 #include "../Window.h" 19 20 namespace sk_app { 21 22 enum MessageType { 23 kUndefined, 24 kSurfaceCreated, 25 kSurfaceChanged, 26 kSurfaceDestroyed, 27 kDestroyApp, 28 kContentInvalidated, 29 kKeyPressed, 30 kTouched, 31 kUIStateChanged, 32 }; 33 34 struct Message { 35 MessageType fType = kUndefined; 36 ANativeWindow* fNativeWindow = nullptr; 37 int fKeycode = 0; 38 int fTouchOwner, fTouchState; 39 float fTouchX, fTouchY; 40 41 SkString* stateName; 42 SkString* stateValue; 43 44 Message() {} 45 Message(MessageType t) : fType(t) {} 46 }; 47 48 struct SkiaAndroidApp { 49 Application* fApp; 50 Window* fWindow; 51 jobject fAndroidApp; 52 53 SkiaAndroidApp(JNIEnv* env, jobject androidApp); 54 55 void postMessage(const Message& message) const; 56 void readMessage(Message* message) const; 57 58 // These must be called in SkiaAndroidApp's own pthread because the JNIEnv is thread sensitive 59 void setTitle(const char* title) const; 60 void setUIState(const char* state) const; 61 62 private: 63 pthread_t fThread; 64 ANativeWindow* fNativeWindow; 65 int fPipes[2]; // 0 is the read message pipe, 1 is the write message pipe 66 JavaVM* fJavaVM; 67 JNIEnv* fPThreadEnv; 68 jmethodID fSetTitleMethodID, fSetStateMethodID; 69 70 // This must be called in SkiaAndroidApp's own pthread because the JNIEnv is thread sensitive 71 ~SkiaAndroidApp(); 72 73 static int message_callback(int fd, int events, void* data); 74 static void* pthread_main(void*); 75 }; 76 77 } // namespace sk_app 78 79 #endif 80
