1 files changed, 79 insertions, 0 deletions
diff --git a/tools/sk_app/android/surface_glue_android.h b/tools/sk_app/android/surface_glue_android.h
new file mode 100644
index 0000000000..1dd1f2854a
--- /dev/null
+++ b/tools/sk_app/android/surface_glue_android.h
@@ -0,0 +1,79 @@
+/*
+* 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 char* 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