skia2/tools/viewer/sk_app/android/surface_glue_android.h

80 lines
1.8 KiB
C++

/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef surface_glue_android_DEFINED
#define surface_glue_android_DEFINED
#include <pthread.h>
#include <android/native_window_jni.h>
#include "SkString.h"
#include "../Application.h"
#include "../Window.h"
namespace sk_app {
enum MessageType {
kUndefined,
kSurfaceCreated,
kSurfaceChanged,
kSurfaceDestroyed,
kDestroyApp,
kContentInvalidated,
kKeyPressed,
kTouched,
kUIStateChanged,
};
struct Message {
MessageType fType = kUndefined;
ANativeWindow* fNativeWindow = nullptr;
int fKeycode = 0;
int fTouchOwner, fTouchState;
float fTouchX, fTouchY;
SkString* stateName;
SkString* stateValue;
Message() {}
Message(MessageType t) : fType(t) {}
};
struct SkiaAndroidApp {
Application* fApp;
Window* fWindow;
jobject fAndroidApp;
SkiaAndroidApp(JNIEnv* env, jobject androidApp);
void postMessage(const Message& message) const;
void readMessage(Message* message) const;
// These must be called in SkiaAndroidApp's own pthread because the JNIEnv is thread sensitive
void setTitle(const char* title) const;
void setUIState(const Json::Value& state) const;
private:
pthread_t fThread;
ANativeWindow* fNativeWindow;
int fPipes[2]; // 0 is the read message pipe, 1 is the write message pipe
JavaVM* fJavaVM;
JNIEnv* fPThreadEnv;
jmethodID fSetTitleMethodID, fSetStateMethodID;
// This must be called in SkiaAndroidApp's own pthread because the JNIEnv is thread sensitive
~SkiaAndroidApp();
static int message_callback(int fd, int events, void* data);
static void* pthread_main(void*);
};
} // namespace sk_app
#endif