Visual bench on native android

platform_tools/android/visualbench/jni/main.cpp

+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ */
+
+#include <android_native_app_glue.h>
+
+#include "SkApplication.h"
+#include "VisualBench.h"
+
+/**
+ * Shared state for our app.
+ */
+struct VisualBenchState {
+    VisualBenchState() : fApp(NULL), fWindow(NULL) {}
+    struct android_app* fApp;
+    SkOSWindow* fWindow;
+    SkTArray<SkString> fFlags;
+};
+
+static void handle_cmd(struct android_app* app, int32_t cmd) {
+    struct VisualBenchState* state = (struct VisualBenchState*)app->userData;
+    switch (cmd) {
+        case APP_CMD_INIT_WINDOW:
+            // The window is being shown, get it ready.
+            if (state->fApp->window != NULL) {
+                if (state->fWindow) {
+                    SkDELETE(state->fWindow);
+                    application_term();
+                }
+
+                // drain any events that occurred before |window| was assigned.
+                while (SkEvent::ProcessEvent());
+
+                // Start normal Skia sequence
+                application_init();
+
+                SkTArray<const char*> args;
+                args.push_back("VisualBench");
+                for (int i = 0; i < state->fFlags.count(); i++) {
+                    SkDebugf(state->fFlags[i].c_str());
+                    args.push_back(state->fFlags[i].c_str());
+                }
+
+                state->fWindow = create_sk_window((void*)state->fApp->window,
+                                                  args.count(),
+                                                  const_cast<char**>(args.begin()));
+            }
+            break;
+        case APP_CMD_TERM_WINDOW:
+            SkDELETE(state->fWindow);
+            state->fWindow = NULL;
+            application_term();
+            break;
+    }
+}
+
+void android_main(struct android_app* state) {
+    struct VisualBenchState visualBenchState;
+
+    // Make sure glue isn't stripped.
+    app_dummy();
+
+    state->userData = &visualBenchState;
+    state->onAppCmd = handle_cmd;
+    visualBenchState.fApp = state;
+
+    // Get command line arguments
+    JavaVM* jvm = state->activity->vm;
+    JNIEnv *env;
+    jvm->AttachCurrentThread(&env, 0);
+
+    jobject me = state->activity->clazz;
+
+    jclass acl = env->GetObjectClass(me); //class pointer of NativeActivity
+    jmethodID giid = env->GetMethodID(acl, "getIntent", "()Landroid/content/Intent;");
+    jobject intent = env->CallObjectMethod(me, giid); //Got our intent
+
+    jclass icl = env->GetObjectClass(intent); //class pointer of Intent
+    jmethodID gseid = env->GetMethodID(icl, "getStringExtra",
+                                       "(Ljava/lang/String;)Ljava/lang/String;");
+
+    jstring jsParam1 = (jstring)env->CallObjectMethod(intent, gseid,
+                                                      env->NewStringUTF("cmdLineArguments"));
+    if (jsParam1) {
+        const char* flags = env->GetStringUTFChars(jsParam1, 0);
+        SkTArray<SkString> flagEntries;
+        SkStrSplit(flags, " ", &visualBenchState.fFlags);
+        env->ReleaseStringUTFChars(jsParam1, flags);
+    }
+    jvm->DetachCurrentThread();
+
+    while (1) {
+        // Read all pending events.
+        int ident;
+        int events;
+        struct android_poll_source* source;
+
+        // We loop until all events are read, then continue to draw the next frame of animation.
+        while ((ident=ALooper_pollAll(0, NULL, &events, (void**)&source)) >= 0) {
+            // Process this event.
+            if (source != NULL) {
+                source->process(state, source);
+            }
+
+            // Check if we are exiting.
+            if (state->destroyRequested != 0) {
+                SkDELETE(visualBenchState.fWindow);
+                application_term();
+                return;
+            }
+        }
+
+        if (visualBenchState.fWindow) {
+            if (visualBenchState.fWindow->destroyRequested()) {
+                SkDELETE(visualBenchState.fWindow);
+                visualBenchState.fWindow = NULL;
+                application_term();
+                break;
+            }
+            visualBenchState.fWindow->update(NULL);
+        }
+    }
+    ANativeActivity_finish(state->activity);
+}