diff options
Diffstat (limited to 'chromium/third_party/skia/platform_tools/android/app/jni/com_skia_SkiaSampleRenderer.cpp')
| -rw-r--r-- | chromium/third_party/skia/platform_tools/android/app/jni/com_skia_SkiaSampleRenderer.cpp | 354 |
1 files changed, 354 insertions, 0 deletions
diff --git a/chromium/third_party/skia/platform_tools/android/app/jni/com_skia_SkiaSampleRenderer.cpp b/chromium/third_party/skia/platform_tools/android/app/jni/com_skia_SkiaSampleRenderer.cpp new file mode 100644 index 00000000000..da7c13d6ecb --- /dev/null +++ b/chromium/third_party/skia/platform_tools/android/app/jni/com_skia_SkiaSampleRenderer.cpp @@ -0,0 +1,354 @@ + +/* + * Copyright 2011 Skia + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ +#include "com_skia_SkiaSampleRenderer.h" + +#include "SampleApp.h" +#include "SkApplication.h" +#include "SkCanvas.h" +#include "SkDevice.h" +#include "SkEvent.h" +#include "SkWindow.h" + +#include <jni.h> +#include "android/AndroidKeyToSkKey.h" + + +/////////////////////////////////////////// +///////////////// Globals ///////////////// +/////////////////////////////////////////// + +struct ActivityGlue { + JNIEnv* m_env; + jweak m_obj; + jmethodID m_setTitle; + jmethodID m_setSlideList; + jmethodID m_addToDownloads; + ActivityGlue() { + m_env = NULL; + m_obj = NULL; + m_setTitle = NULL; + m_setSlideList = NULL; + m_addToDownloads = NULL; + } +} gActivityGlue; + +struct WindowGlue { + jweak m_obj; + jmethodID m_inval; + jmethodID m_queueSkEvent; + jmethodID m_startTimer; + jmethodID m_getMSAASampleCount; + WindowGlue() { + m_obj = NULL; + m_inval = NULL; + m_queueSkEvent = NULL; + m_startTimer = NULL; + m_getMSAASampleCount = NULL; + } +} gWindowGlue; + +SampleWindow* gWindow; + +/////////////////////////////////////////// +///////////// SkOSWindow impl ///////////// +/////////////////////////////////////////// + +bool SkOSWindow::attach(SkBackEndTypes /* attachType */, int /*msaaSampleCount*/, AttachmentInfo* info) +{ + JNIEnv* env = gActivityGlue.m_env; + if (!env || !gWindowGlue.m_getMSAASampleCount || !gWindowGlue.m_obj) { + return false; + } + if (env->IsSameObject(gWindowGlue.m_obj, NULL)) { + SkDebugf("ERROR: The JNI WeakRef to the Window is invalid"); + return false; + } + info->fSampleCount = env->CallIntMethod(gWindowGlue.m_obj, gWindowGlue.m_getMSAASampleCount); + + // This is the value requested in SkiaSampleView.java. + info->fStencilBits = 8; + return true; +} + +void SkOSWindow::onSetTitle(const char title[]) +{ + JNIEnv* env = gActivityGlue.m_env; + if (!env) { + return; + } + if (env->IsSameObject(gActivityGlue.m_obj, NULL)) { + SkDebugf("ERROR: The JNI WeakRef to the Activity is invalid"); + return; + } + + jstring string = env->NewStringUTF(title); + env->CallVoidMethod(gActivityGlue.m_obj, gActivityGlue.m_setTitle, string); + env->DeleteLocalRef(string); +} + +void SkOSWindow::onHandleInval(const SkIRect& rect) +{ + JNIEnv* env = gActivityGlue.m_env; + if (!env || !gWindowGlue.m_inval || !gWindowGlue.m_obj) { + return; + } + if (env->IsSameObject(gWindowGlue.m_obj, NULL)) { + SkDebugf("ERROR: The JNI WeakRef to the Window is invalid"); + return; + } + env->CallVoidMethod(gWindowGlue.m_obj, gWindowGlue.m_inval); +} + +void SkOSWindow::onPDFSaved(const char title[], const char desc[], + const char path[]) +{ + JNIEnv* env = gActivityGlue.m_env; + if (!env || !gActivityGlue.m_addToDownloads || !gActivityGlue.m_obj) { + return; + } + if (env->IsSameObject(gActivityGlue.m_obj, NULL)) { + SkDebugf("ERROR: The JNI WeakRef to the Activity is invalid"); + return; + } + + jstring jtitle = env->NewStringUTF(title); + jstring jdesc = env->NewStringUTF(desc); + jstring jpath = env->NewStringUTF(path); + + env->CallVoidMethod(gActivityGlue.m_obj, gActivityGlue.m_addToDownloads, + jtitle, jdesc, jpath); + + env->DeleteLocalRef(jtitle); + env->DeleteLocalRef(jdesc); + env->DeleteLocalRef(jpath); +} + +/////////////////////////////////////////// +/////////////// SkEvent impl ////////////// +/////////////////////////////////////////// + +void SkEvent::SignalQueueTimer(SkMSec ms) +{ + JNIEnv* env = gActivityGlue.m_env; + if (!env || !gWindowGlue.m_startTimer || !gWindowGlue.m_obj || !ms) { + return; + } + if (env->IsSameObject(gWindowGlue.m_obj, NULL)) { + SkDebugf("ERROR: The JNI WeakRef to the Window is invalid"); + return; + } + env->CallVoidMethod(gWindowGlue.m_obj, + gWindowGlue.m_startTimer, ms); +} + +void SkEvent::SignalNonEmptyQueue() +{ + JNIEnv* env = gActivityGlue.m_env; + if (!env || !gWindowGlue.m_queueSkEvent || !gWindowGlue.m_obj) { + return; + } + if (env->IsSameObject(gWindowGlue.m_obj, NULL)) { + SkDebugf("ERROR: The JNI WeakRef to the Window is invalid"); + return; + } + env->CallVoidMethod(gWindowGlue.m_obj, gWindowGlue.m_queueSkEvent); +} + +/////////////////////////////////////////// +////////////////// JNI //////////////////// +/////////////////////////////////////////// + +static jmethodID GetJMethod(JNIEnv* env, jclass clazz, const char name[], + const char signature[]) +{ + jmethodID m = env->GetMethodID(clazz, name, signature); + if (!m) SkDebugf("Could not find Java method %s\n", name); + return m; +} + +JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_init(JNIEnv* env, + jobject thiz, jobject jsampleActivity, jint msaaSampleCount) +{ + // setup jni hooks to the java activity + gActivityGlue.m_env = env; + jclass clazz = env->FindClass("com/skia/SkiaSampleActivity"); + gActivityGlue.m_obj = env->NewWeakGlobalRef(jsampleActivity); + gActivityGlue.m_setTitle = GetJMethod(env, clazz, "setTitle", "(Ljava/lang/CharSequence;)V"); + gActivityGlue.m_setSlideList = GetJMethod(env, clazz, "setSlideList", "([Ljava/lang/String;)V"); + gActivityGlue.m_addToDownloads = GetJMethod(env, clazz, "addToDownloads", + "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V"); + env->DeleteLocalRef(clazz); + + // setup jni hooks to the java renderer + clazz = env->FindClass("com/skia/SkiaSampleRenderer"); + gWindowGlue.m_obj = env->NewWeakGlobalRef(thiz); + gWindowGlue.m_inval = GetJMethod(env, clazz, "requestRender", "()V"); + gWindowGlue.m_queueSkEvent = GetJMethod(env, clazz, "queueSkEvent", "()V"); + gWindowGlue.m_startTimer = GetJMethod(env, clazz, "startTimer", "(I)V"); + gWindowGlue.m_getMSAASampleCount = GetJMethod(env, clazz, "getMSAASampleCount", "()I"); + env->DeleteLocalRef(clazz); + + application_init(); + SkTArray<const char*> args; + + args.push_back("SampleApp"); + // TODO: push ability to select skp dir into the UI + args.push_back("--pictureDir"); + args.push_back("/sdcard/skiabot/skia_skp"); + + SkString msaaSampleCountString; + if (msaaSampleCount > 0) { + args.push_back("--msaa"); + msaaSampleCountString.appendS32(static_cast<uint32_t>(msaaSampleCount)); + args.push_back(msaaSampleCountString.c_str()); + } + + gWindow = new SampleWindow(NULL, args.count(), const_cast<char**>(args.begin()), NULL); + + // send the list of slides up to the activity + const int slideCount = gWindow->sampleCount(); + jobjectArray slideList = env->NewObjectArray(slideCount, env->FindClass("java/lang/String"), env->NewStringUTF("")); + for (int i = 0; i < slideCount; i++) { + jstring slideTitle = env->NewStringUTF(gWindow->getSampleTitle(i).c_str()); + env->SetObjectArrayElement(slideList, i, slideTitle); + env->DeleteLocalRef(slideTitle); + } + env->CallVoidMethod(gActivityGlue.m_obj, gActivityGlue.m_setSlideList, slideList); + env->DeleteLocalRef(slideList); +} + +JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_term(JNIEnv* env, + jobject thiz) +{ + delete gWindow; + gWindow = NULL; + application_term(); + if (gWindowGlue.m_obj) { + env->DeleteWeakGlobalRef(gWindowGlue.m_obj); + gWindowGlue.m_obj = NULL; + } + if (gActivityGlue.m_obj) { + env->DeleteWeakGlobalRef(gActivityGlue.m_obj); + gActivityGlue.m_obj = NULL; + } +} + +JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_draw( + JNIEnv* env, jobject thiz) +{ + if (!gWindow) return; + gWindow->update(NULL); +} + +JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_updateSize(JNIEnv* env, + jobject thiz, jint w, jint h) +{ + gWindow->resize(w, h); +} + +JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_handleClick(JNIEnv* env, + jobject thiz, jint owner, jfloat x, jfloat y, jint jstate) +{ + SkView::Click::State state; + switch(jstate) { + case 0: // MotionEvent.ACTION_DOWN + state = SkView::Click::kDown_State; + break; + case 1: // MotionEvent.ACTION_UP + case 3: // MotionEvent.ACTION_CANCEL + state = SkView::Click::kUp_State; + break; + case 2: // MotionEvent.ACTION_MOVE + state = SkView::Click::kMoved_State; + break; + default: + SkDebugf("motion event ignored\n"); + return; + } + gWindow->handleClick(x, y, state, reinterpret_cast<void*>(owner)); +} + +JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_nextSample( + JNIEnv* env, jobject thiz) +{ + gWindow->nextSample(); +} + +JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_previousSample( + JNIEnv* env, jobject thiz) +{ + gWindow->previousSample(); +} + +JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_goToSample( + JNIEnv* env, jobject thiz, jint position) +{ + gWindow->goToSample(position); +} + +JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_toggleRenderingMode( + JNIEnv* env, jobject thiz) +{ + gWindow->toggleRendering(); +} + +JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_showOverview( + JNIEnv* env, jobject thiz) +{ + gWindow->showOverview(); +} + +JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_toggleSlideshow( + JNIEnv* env, jobject thiz) +{ + gWindow->toggleSlideshow(); +} + +JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_toggleFPS( + JNIEnv* env, jobject thiz) +{ + gWindow->toggleFPS(); +} + +JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_toggleTiling( + JNIEnv* env, jobject thiz) +{ + gWindow->handleChar('t'); +} + +JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_toggleBBox( + JNIEnv* env, jobject thiz) +{ + gWindow->handleChar('b'); +} + +JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_processSkEvent( + JNIEnv* env, jobject thiz) +{ + if (SkEvent::ProcessEvent()) { + SkEvent::SignalNonEmptyQueue(); + } +} + +JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_serviceQueueTimer( + JNIEnv* env, jobject thiz) +{ + SkEvent::ServiceQueueTimer(); +} + +JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_saveToPDF( + JNIEnv* env, jobject thiz) +{ + gWindow->saveToPdf(); +} + +JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_postInval( + JNIEnv* env, jobject thiz) +{ + gWindow->postInvalDelay(); +} |