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AndroidBridge.cpp
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/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <android/log.h>
#include <dlfcn.h>
#include <math.h>
#include <GLES2/gl2.h>
#include "mozilla/layers/CompositorChild.h"
#include "mozilla/layers/CompositorParent.h"
#include "mozilla/Hal.h"
#include "nsXULAppAPI.h"
#include <prthread.h>
#include "nsXPCOMStrings.h"
#include "AndroidBridge.h"
#include "AndroidJNIWrapper.h"
#include "AndroidBridgeUtilities.h"
#include "nsAppShell.h"
#include "nsOSHelperAppService.h"
#include "nsWindow.h"
#include "mozilla/Preferences.h"
#include "nsThreadUtils.h"
#include "nsIThreadManager.h"
#include "mozilla/dom/mobilemessage/PSms.h"
#include "gfxPlatform.h"
#include "gfxContext.h"
#include "mozilla/gfx/2D.h"
#include "gfxUtils.h"
#include "nsPresContext.h"
#include "nsIDocShell.h"
#include "nsPIDOMWindow.h"
#include "mozilla/dom/ScreenOrientation.h"
#include "nsIDOMWindowUtils.h"
#include "nsIDOMClientRect.h"
#include "StrongPointer.h"
#include "mozilla/ClearOnShutdown.h"
#include "nsPrintfCString.h"
#include "NativeJSContainer.h"
#include "nsContentUtils.h"
#include "nsIScriptError.h"
#include "nsIHttpChannel.h"
#include "MediaCodec.h"
#include "SurfaceTexture.h"
#include "GLContextProvider.h"
#include "mozilla/dom/ContentChild.h"
using namespace mozilla;
using namespace mozilla::gfx;
using namespace mozilla::jni;
using namespace mozilla::widget;
AndroidBridge* AndroidBridge::sBridge = nullptr;
pthread_t AndroidBridge::sJavaUiThread;
static jobject sGlobalContext = nullptr;
nsDataHashtable<nsStringHashKey, nsString> AndroidBridge::sStoragePaths;
// This is a dummy class that can be used in the template for android::sp
class AndroidRefable {
void incStrong(void* thing) { }
void decStrong(void* thing) { }
};
// This isn't in AndroidBridge.h because including StrongPointer.h there is gross
static android::sp<AndroidRefable> (*android_SurfaceTexture_getNativeWindow)(JNIEnv* env, jobject surfaceTexture) = nullptr;
jclass AndroidBridge::GetClassGlobalRef(JNIEnv* env, const char* className)
{
// First try the default class loader.
auto classRef = ClassObject::LocalRef::Adopt(
env, env->FindClass(className));
if (!classRef && sBridge && sBridge->mClassLoader) {
// If the default class loader failed but we have an app class loader, try that.
// Clear the pending exception from failed FindClass call above.
env->ExceptionClear();
classRef = ClassObject::LocalRef::Adopt(env,
env->CallObjectMethod(sBridge->mClassLoader.Get(),
sBridge->mClassLoaderLoadClass,
Param<String>(className, env).Get()));
}
if (!classRef) {
ALOG(">>> FATAL JNI ERROR! FindClass(className=\"%s\") failed. "
"Did ProGuard optimize away something it shouldn't have?",
className);
env->ExceptionDescribe();
MOZ_CRASH();
}
return ClassObject::GlobalRef(env, classRef).Forget();
}
jmethodID AndroidBridge::GetMethodID(JNIEnv* env, jclass jClass,
const char* methodName, const char* methodType)
{
jmethodID methodID = env->GetMethodID(jClass, methodName, methodType);
if (!methodID) {
ALOG(">>> FATAL JNI ERROR! GetMethodID(methodName=\"%s\", "
"methodType=\"%s\") failed. Did ProGuard optimize away something it shouldn't have?",
methodName, methodType);
env->ExceptionDescribe();
MOZ_CRASH();
}
return methodID;
}
jmethodID AndroidBridge::GetStaticMethodID(JNIEnv* env, jclass jClass,
const char* methodName, const char* methodType)
{
jmethodID methodID = env->GetStaticMethodID(jClass, methodName, methodType);
if (!methodID) {
ALOG(">>> FATAL JNI ERROR! GetStaticMethodID(methodName=\"%s\", "
"methodType=\"%s\") failed. Did ProGuard optimize away something it shouldn't have?",
methodName, methodType);
env->ExceptionDescribe();
MOZ_CRASH();
}
return methodID;
}
jfieldID AndroidBridge::GetFieldID(JNIEnv* env, jclass jClass,
const char* fieldName, const char* fieldType)
{
jfieldID fieldID = env->GetFieldID(jClass, fieldName, fieldType);
if (!fieldID) {
ALOG(">>> FATAL JNI ERROR! GetFieldID(fieldName=\"%s\", "
"fieldType=\"%s\") failed. Did ProGuard optimize away something it shouldn't have?",
fieldName, fieldType);
env->ExceptionDescribe();
MOZ_CRASH();
}
return fieldID;
}
jfieldID AndroidBridge::GetStaticFieldID(JNIEnv* env, jclass jClass,
const char* fieldName, const char* fieldType)
{
jfieldID fieldID = env->GetStaticFieldID(jClass, fieldName, fieldType);
if (!fieldID) {
ALOG(">>> FATAL JNI ERROR! GetStaticFieldID(fieldName=\"%s\", "
"fieldType=\"%s\") failed. Did ProGuard optimize away something it shouldn't have?",
fieldName, fieldType);
env->ExceptionDescribe();
MOZ_CRASH();
}
return fieldID;
}
void
AndroidBridge::ConstructBridge()
{
/* NSS hack -- bionic doesn't handle recursive unloads correctly,
* because library finalizer functions are called with the dynamic
* linker lock still held. This results in a deadlock when trying
* to call dlclose() while we're already inside dlclose().
* Conveniently, NSS has an env var that can prevent it from unloading.
*/
putenv("NSS_DISABLE_UNLOAD=1");
MOZ_ASSERT(!sBridge);
sBridge = new AndroidBridge();
}
void
AndroidBridge::DeconstructBridge()
{
if (sBridge) {
delete sBridge;
// AndroidBridge destruction requires sBridge to still be valid,
// so we set sBridge to nullptr after deleting it.
sBridge = nullptr;
}
}
AndroidBridge::~AndroidBridge()
{
}
AndroidBridge::AndroidBridge()
: mLayerClient(nullptr),
mPresentationWindow(nullptr),
mPresentationSurface(nullptr)
{
ALOG_BRIDGE("AndroidBridge::Init");
JNIEnv* const jEnv = jni::GetGeckoThreadEnv();
AutoLocalJNIFrame jniFrame(jEnv);
mClassLoader = Object::GlobalRef(jEnv, widget::GeckoThread::ClsLoader());
mClassLoaderLoadClass = GetMethodID(
jEnv, jEnv->GetObjectClass(mClassLoader.Get()),
"loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
mMessageQueue = widget::GeckoThread::MsgQueue();
auto msgQueueClass = ClassObject::LocalRef::Adopt(
jEnv, jEnv->GetObjectClass(mMessageQueue.Get()));
// mMessageQueueNext must not be null
mMessageQueueNext = GetMethodID(
jEnv, msgQueueClass.Get(), "next", "()Landroid/os/Message;");
// mMessageQueueMessages may be null (e.g. due to proguard optimization)
mMessageQueueMessages = jEnv->GetFieldID(
msgQueueClass.Get(), "mMessages", "Landroid/os/Message;");
mGLControllerObj = nullptr;
mOpenedGraphicsLibraries = false;
mHasNativeBitmapAccess = false;
mHasNativeWindowAccess = false;
mHasNativeWindowFallback = false;
#ifdef MOZ_WEBSMS_BACKEND
AutoJNIClass smsMessage(jEnv, "android/telephony/SmsMessage");
mAndroidSmsMessageClass = smsMessage.getGlobalRef();
jCalculateLength = smsMessage.getStaticMethod("calculateLength", "(Ljava/lang/CharSequence;Z)[I");
#endif
AutoJNIClass string(jEnv, "java/lang/String");
jStringClass = string.getGlobalRef();
if (!GetStaticIntField("android/os/Build$VERSION", "SDK_INT", &mAPIVersion, jEnv)) {
ALOG_BRIDGE("Failed to find API version");
}
AutoJNIClass surface(jEnv, "android/view/Surface");
jSurfaceClass = surface.getGlobalRef();
if (mAPIVersion <= 8 /* Froyo */) {
jSurfacePointerField = surface.getField("mSurface", "I");
} else if (mAPIVersion > 8 && mAPIVersion < 19 /* KitKat */) {
jSurfacePointerField = surface.getField("mNativeSurface", "I");
} else {
// We don't know how to get this, just set it to 0
jSurfacePointerField = 0;
}
AutoJNIClass egl(jEnv, "com/google/android/gles_jni/EGLSurfaceImpl");
jclass eglClass = egl.getGlobalRef();
if (eglClass) {
// The pointer type moved to a 'long' in Android L, API version 20
const char* jniType = mAPIVersion >= 20 ? "J" : "I";
jEGLSurfacePointerField = egl.getField("mEGLSurface", jniType);
} else {
jEGLSurfacePointerField = 0;
}
AutoJNIClass channels(jEnv, "java/nio/channels/Channels");
jChannels = channels.getGlobalRef();
jChannelCreate = channels.getStaticMethod("newChannel", "(Ljava/io/InputStream;)Ljava/nio/channels/ReadableByteChannel;");
AutoJNIClass readableByteChannel(jEnv, "java/nio/channels/ReadableByteChannel");
jReadableByteChannel = readableByteChannel.getGlobalRef();
jByteBufferRead = readableByteChannel.getMethod("read", "(Ljava/nio/ByteBuffer;)I");
AutoJNIClass inputStream(jEnv, "java/io/InputStream");
jInputStream = inputStream.getGlobalRef();
jClose = inputStream.getMethod("close", "()V");
jAvailable = inputStream.getMethod("available", "()I");
InitAndroidJavaWrappers(jEnv);
}
// Raw JNIEnv variants.
jstring AndroidBridge::NewJavaString(JNIEnv* env, const char16_t* string, uint32_t len) {
jstring ret = env->NewString(reinterpret_cast<const jchar*>(string), len);
if (env->ExceptionCheck()) {
ALOG_BRIDGE("Exceptional exit of: %s", __PRETTY_FUNCTION__);
env->ExceptionDescribe();
env->ExceptionClear();
return nullptr;
}
return ret;
}
jstring AndroidBridge::NewJavaString(JNIEnv* env, const nsAString& string) {
return NewJavaString(env, string.BeginReading(), string.Length());
}
jstring AndroidBridge::NewJavaString(JNIEnv* env, const char* string) {
return NewJavaString(env, NS_ConvertUTF8toUTF16(string));
}
jstring AndroidBridge::NewJavaString(JNIEnv* env, const nsACString& string) {
return NewJavaString(env, NS_ConvertUTF8toUTF16(string));
}
// AutoLocalJNIFrame variants..
jstring AndroidBridge::NewJavaString(AutoLocalJNIFrame* frame, const char16_t* string, uint32_t len) {
return NewJavaString(frame->GetEnv(), string, len);
}
jstring AndroidBridge::NewJavaString(AutoLocalJNIFrame* frame, const nsAString& string) {
return NewJavaString(frame, string.BeginReading(), string.Length());
}
jstring AndroidBridge::NewJavaString(AutoLocalJNIFrame* frame, const char* string) {
return NewJavaString(frame, NS_ConvertUTF8toUTF16(string));
}
jstring AndroidBridge::NewJavaString(AutoLocalJNIFrame* frame, const nsACString& string) {
return NewJavaString(frame, NS_ConvertUTF8toUTF16(string));
}
void AutoGlobalWrappedJavaObject::Dispose() {
if (isNull()) {
return;
}
GetEnvForThread()->DeleteGlobalRef(wrapped_obj);
wrapped_obj = nullptr;
}
AutoGlobalWrappedJavaObject::~AutoGlobalWrappedJavaObject() {
Dispose();
}
// Decides if we should store thumbnails for a given docshell based on the presence
// of a Cache-Control: no-store header and the "browser.cache.disk_cache_ssl" pref.
static bool ShouldStoreThumbnail(nsIDocShell* docshell) {
if (!docshell) {
return false;
}
nsresult rv;
nsCOMPtr<nsIChannel> channel;
docshell->GetCurrentDocumentChannel(getter_AddRefs(channel));
if (!channel) {
return false;
}
nsCOMPtr<nsIHttpChannel> httpChannel;
rv = channel->QueryInterface(NS_GET_IID(nsIHttpChannel), getter_AddRefs(httpChannel));
if (!NS_SUCCEEDED(rv)) {
return false;
}
// Don't store thumbnails for sites that didn't load
uint32_t responseStatus;
rv = httpChannel->GetResponseStatus(&responseStatus);
if (!NS_SUCCEEDED(rv) || floor((double) (responseStatus / 100)) != 2) {
return false;
}
// Cache-Control: no-store.
bool isNoStoreResponse = false;
httpChannel->IsNoStoreResponse(&isNoStoreResponse);
if (isNoStoreResponse) {
return false;
}
// Deny storage if we're viewing a HTTPS page with a
// 'Cache-Control' header having a value that is not 'public'.
nsCOMPtr<nsIURI> uri;
rv = channel->GetURI(getter_AddRefs(uri));
if (!NS_SUCCEEDED(rv)) {
return false;
}
// Don't capture HTTPS pages unless the user enabled it
// or the page has a Cache-Control:public header.
bool isHttps = false;
uri->SchemeIs("https", &isHttps);
if (isHttps && !Preferences::GetBool("browser.cache.disk_cache_ssl", false)) {
nsAutoCString cacheControl;
rv = httpChannel->GetResponseHeader(NS_LITERAL_CSTRING("Cache-Control"), cacheControl);
if (!NS_SUCCEEDED(rv)) {
return false;
}
if (!cacheControl.IsEmpty() && !cacheControl.LowerCaseEqualsLiteral("public")) {
return false;
}
}
return true;
}
static void
getHandlersFromStringArray(JNIEnv *aJNIEnv, jobjectArray jArr, jsize aLen,
nsIMutableArray *aHandlersArray,
nsIHandlerApp **aDefaultApp,
const nsAString& aAction = EmptyString(),
const nsACString& aMimeType = EmptyCString())
{
nsString empty = EmptyString();
for (jsize i = 0; i < aLen; i+=4) {
AutoLocalJNIFrame jniFrame(aJNIEnv, 4);
nsJNIString name(
static_cast<jstring>(aJNIEnv->GetObjectArrayElement(jArr, i)), aJNIEnv);
nsJNIString isDefault(
static_cast<jstring>(aJNIEnv->GetObjectArrayElement(jArr, i + 1)), aJNIEnv);
nsJNIString packageName(
static_cast<jstring>(aJNIEnv->GetObjectArrayElement(jArr, i + 2)), aJNIEnv);
nsJNIString className(
static_cast<jstring>(aJNIEnv->GetObjectArrayElement(jArr, i + 3)), aJNIEnv);
nsIHandlerApp* app = nsOSHelperAppService::
CreateAndroidHandlerApp(name, className, packageName,
className, aMimeType, aAction);
aHandlersArray->AppendElement(app, false);
if (aDefaultApp && isDefault.Length() > 0)
*aDefaultApp = app;
}
}
bool
AndroidBridge::GetHandlersForMimeType(const nsAString& aMimeType,
nsIMutableArray *aHandlersArray,
nsIHandlerApp **aDefaultApp,
const nsAString& aAction)
{
ALOG_BRIDGE("AndroidBridge::GetHandlersForMimeType");
auto arr = GeckoAppShell::GetHandlersForMimeTypeWrapper(aMimeType, aAction);
if (!arr)
return false;
JNIEnv* const env = arr.Env();
jsize len = env->GetArrayLength(arr.Get());
if (!aHandlersArray)
return len > 0;
getHandlersFromStringArray(env, arr.Get(), len, aHandlersArray,
aDefaultApp, aAction,
NS_ConvertUTF16toUTF8(aMimeType));
return true;
}
bool
AndroidBridge::GetHWEncoderCapability()
{
ALOG_BRIDGE("AndroidBridge::GetHWEncoderCapability");
bool value = GeckoAppShell::GetHWEncoderCapability();
return value;
}
bool
AndroidBridge::GetHWDecoderCapability()
{
ALOG_BRIDGE("AndroidBridge::GetHWDecoderCapability");
bool value = GeckoAppShell::GetHWDecoderCapability();
return value;
}
bool
AndroidBridge::GetHandlersForURL(const nsAString& aURL,
nsIMutableArray* aHandlersArray,
nsIHandlerApp **aDefaultApp,
const nsAString& aAction)
{
ALOG_BRIDGE("AndroidBridge::GetHandlersForURL");
auto arr = GeckoAppShell::GetHandlersForURLWrapper(aURL, aAction);
if (!arr)
return false;
JNIEnv* const env = arr.Env();
jsize len = env->GetArrayLength(arr.Get());
if (!aHandlersArray)
return len > 0;
getHandlersFromStringArray(env, arr.Get(), len, aHandlersArray,
aDefaultApp, aAction);
return true;
}
void
AndroidBridge::GetMimeTypeFromExtensions(const nsACString& aFileExt, nsCString& aMimeType)
{
ALOG_BRIDGE("AndroidBridge::GetMimeTypeFromExtensions");
auto jstrType = GeckoAppShell::GetMimeTypeFromExtensionsWrapper(aFileExt);
if (jstrType) {
aMimeType = jstrType;
}
}
void
AndroidBridge::GetExtensionFromMimeType(const nsACString& aMimeType, nsACString& aFileExt)
{
ALOG_BRIDGE("AndroidBridge::GetExtensionFromMimeType");
auto jstrExt = GeckoAppShell::GetExtensionFromMimeTypeWrapper(aMimeType);
if (jstrExt) {
aFileExt = nsCString(jstrExt);
}
}
bool
AndroidBridge::GetClipboardText(nsAString& aText)
{
ALOG_BRIDGE("AndroidBridge::GetClipboardText");
auto text = Clipboard::GetClipboardTextWrapper();
if (text) {
aText = nsString(text);
}
return !!text;
}
void
AndroidBridge::ShowAlertNotification(const nsAString& aImageUrl,
const nsAString& aAlertTitle,
const nsAString& aAlertText,
const nsAString& aAlertCookie,
nsIObserver *aAlertListener,
const nsAString& aAlertName)
{
if (nsAppShell::gAppShell && aAlertListener) {
// This will remove any observers already registered for this id
nsAppShell::gAppShell->PostEvent(AndroidGeckoEvent::MakeAddObserver(aAlertName, aAlertListener));
}
GeckoAppShell::ShowAlertNotificationWrapper
(aImageUrl, aAlertTitle, aAlertText, aAlertCookie, aAlertName);
}
int
AndroidBridge::GetDPI()
{
static int sDPI = 0;
if (sDPI)
return sDPI;
const int DEFAULT_DPI = 160;
sDPI = GeckoAppShell::GetDpiWrapper();
if (!sDPI) {
return DEFAULT_DPI;
}
return sDPI;
}
int
AndroidBridge::GetScreenDepth()
{
ALOG_BRIDGE("%s", __PRETTY_FUNCTION__);
static int sDepth = 0;
if (sDepth)
return sDepth;
const int DEFAULT_DEPTH = 16;
if (jni::IsAvailable()) {
sDepth = GeckoAppShell::GetScreenDepthWrapper();
}
if (!sDepth)
return DEFAULT_DEPTH;
return sDepth;
}
void
AndroidBridge::Vibrate(const nsTArray<uint32_t>& aPattern)
{
ALOG_BRIDGE("%s", __PRETTY_FUNCTION__);
uint32_t len = aPattern.Length();
if (!len) {
ALOG_BRIDGE(" invalid 0-length array");
return;
}
// It's clear if this worth special-casing, but it creates less
// java junk, so dodges the GC.
if (len == 1) {
jlong d = aPattern[0];
if (d < 0) {
ALOG_BRIDGE(" invalid vibration duration < 0");
return;
}
GeckoAppShell::Vibrate1(d);
return;
}
// First element of the array vibrate() expects is how long to wait
// *before* vibrating. For us, this is always 0.
JNIEnv* const env = jni::GetGeckoThreadEnv();
AutoLocalJNIFrame jniFrame(env, 1);
jlongArray array = env->NewLongArray(len + 1);
if (!array) {
ALOG_BRIDGE(" failed to allocate array");
return;
}
jlong* elts = env->GetLongArrayElements(array, nullptr);
elts[0] = 0;
for (uint32_t i = 0; i < aPattern.Length(); ++i) {
jlong d = aPattern[i];
if (d < 0) {
ALOG_BRIDGE(" invalid vibration duration < 0");
env->ReleaseLongArrayElements(array, elts, JNI_ABORT);
return;
}
elts[i + 1] = d;
}
env->ReleaseLongArrayElements(array, elts, 0);
GeckoAppShell::VibrateA(LongArray::Ref::From(array), -1 /* don't repeat */);
}
void
AndroidBridge::GetSystemColors(AndroidSystemColors *aColors)
{
NS_ASSERTION(aColors != nullptr, "AndroidBridge::GetSystemColors: aColors is null!");
if (!aColors)
return;
auto arr = GeckoAppShell::GetSystemColoursWrapper();
if (!arr)
return;
JNIEnv* const env = arr.Env();
uint32_t len = static_cast<uint32_t>(env->GetArrayLength(arr.Get()));
jint *elements = env->GetIntArrayElements(arr.Get(), 0);
uint32_t colorsCount = sizeof(AndroidSystemColors) / sizeof(nscolor);
if (len < colorsCount)
colorsCount = len;
// Convert Android colors to nscolor by switching R and B in the ARGB 32 bit value
nscolor *colors = (nscolor*)aColors;
for (uint32_t i = 0; i < colorsCount; i++) {
uint32_t androidColor = static_cast<uint32_t>(elements[i]);
uint8_t r = (androidColor & 0x00ff0000) >> 16;
uint8_t b = (androidColor & 0x000000ff);
colors[i] = (androidColor & 0xff00ff00) | (b << 16) | r;
}
env->ReleaseIntArrayElements(arr.Get(), elements, 0);
}
void
AndroidBridge::GetIconForExtension(const nsACString& aFileExt, uint32_t aIconSize, uint8_t * const aBuf)
{
ALOG_BRIDGE("AndroidBridge::GetIconForExtension");
NS_ASSERTION(aBuf != nullptr, "AndroidBridge::GetIconForExtension: aBuf is null!");
if (!aBuf)
return;
auto arr = GeckoAppShell::GetIconForExtensionWrapper
(NS_ConvertUTF8toUTF16(aFileExt), aIconSize);
NS_ASSERTION(arr != nullptr, "AndroidBridge::GetIconForExtension: Returned pixels array is null!");
if (!arr)
return;
JNIEnv* const env = arr.Env();
uint32_t len = static_cast<uint32_t>(env->GetArrayLength(arr.Get()));
jbyte *elements = env->GetByteArrayElements(arr.Get(), 0);
uint32_t bufSize = aIconSize * aIconSize * 4;
NS_ASSERTION(len == bufSize, "AndroidBridge::GetIconForExtension: Pixels array is incomplete!");
if (len == bufSize)
memcpy(aBuf, elements, bufSize);
env->ReleaseByteArrayElements(arr.Get(), elements, 0);
}
void
AndroidBridge::SetLayerClient(GeckoLayerClient::Param jobj)
{
// if resetting is true, that means Android destroyed our GeckoApp activity
// and we had to recreate it, but all the Gecko-side things were not destroyed.
// We therefore need to link up the new java objects to Gecko, and that's what
// we do here.
bool resetting = (mLayerClient != nullptr);
__android_log_print(ANDROID_LOG_INFO, "GeckoBug1151102", "Reseting layer client: %d", resetting);
mLayerClient = jobj;
if (resetting) {
// since we are re-linking the new java objects to Gecko, we need to get
// the viewport from the compositor (since the Java copy was thrown away)
// and we do that by setting the first-paint flag.
nsWindow::ForceIsFirstPaint();
}
}
void
AndroidBridge::RegisterCompositor(JNIEnv *env)
{
if (mGLControllerObj != nullptr) {
// we already have this set up, no need to do it again
return;
}
mGLControllerObj = GLController::LocalRef(
LayerView::RegisterCompositorWrapper());
}
EGLSurface
AndroidBridge::CreateEGLSurfaceForCompositor()
{
if (!jEGLSurfacePointerField) {
return nullptr;
}
MOZ_ASSERT(mGLControllerObj, "AndroidBridge::CreateEGLSurfaceForCompositor called with a null GL controller ref");
auto eglSurface = mGLControllerObj->CreateEGLSurfaceForCompositorWrapper();
if (!eglSurface) {
return nullptr;
}
JNIEnv* const env = GetEnvForThread(); // called on the compositor thread
return reinterpret_cast<EGLSurface>(mAPIVersion >= 20 ?
env->GetLongField(eglSurface.Get(), jEGLSurfacePointerField) :
env->GetIntField(eglSurface.Get(), jEGLSurfacePointerField));
}
bool
AndroidBridge::GetStaticIntField(const char *className, const char *fieldName, int32_t* aInt, JNIEnv* jEnv /* = nullptr */)
{
ALOG_BRIDGE("AndroidBridge::GetStaticIntField %s", fieldName);
if (!jEnv) {
if (!jni::IsAvailable()) {
return false;
}
jEnv = jni::GetGeckoThreadEnv();
}
AutoJNIClass cls(jEnv, className);
jfieldID field = cls.getStaticField(fieldName, "I");
if (!field) {
return false;
}
*aInt = static_cast<int32_t>(jEnv->GetStaticIntField(cls.getRawRef(), field));
return true;
}
bool
AndroidBridge::GetStaticStringField(const char *className, const char *fieldName, nsAString &result, JNIEnv* jEnv /* = nullptr */)
{
ALOG_BRIDGE("AndroidBridge::GetStaticStringField %s", fieldName);
if (!jEnv) {
if (!jni::IsAvailable()) {
return false;
}
jEnv = jni::GetGeckoThreadEnv();
}
AutoLocalJNIFrame jniFrame(jEnv, 1);
AutoJNIClass cls(jEnv, className);
jfieldID field = cls.getStaticField(fieldName, "Ljava/lang/String;");
if (!field) {
return false;
}
jstring jstr = (jstring) jEnv->GetStaticObjectField(cls.getRawRef(), field);
if (!jstr)
return false;
result.Assign(nsJNIString(jstr, jEnv));
return true;
}
void*
AndroidBridge::GetNativeSurface(JNIEnv* env, jobject surface) {
if (!env || !mHasNativeWindowFallback || !jSurfacePointerField)
return nullptr;
return (void*)env->GetIntField(surface, jSurfacePointerField);
}
void
AndroidBridge::OpenGraphicsLibraries()
{
if (!mOpenedGraphicsLibraries) {
// Try to dlopen libjnigraphics.so for direct bitmap access on
// Android 2.2+ (API level 8)
mOpenedGraphicsLibraries = true;
mHasNativeWindowAccess = false;
mHasNativeWindowFallback = false;
mHasNativeBitmapAccess = false;
void *handle = dlopen("libjnigraphics.so", RTLD_LAZY | RTLD_LOCAL);
if (handle) {
AndroidBitmap_getInfo = (int (*)(JNIEnv *, jobject, void *))dlsym(handle, "AndroidBitmap_getInfo");
AndroidBitmap_lockPixels = (int (*)(JNIEnv *, jobject, void **))dlsym(handle, "AndroidBitmap_lockPixels");
AndroidBitmap_unlockPixels = (int (*)(JNIEnv *, jobject))dlsym(handle, "AndroidBitmap_unlockPixels");
mHasNativeBitmapAccess = AndroidBitmap_getInfo && AndroidBitmap_lockPixels && AndroidBitmap_unlockPixels;
ALOG_BRIDGE("Successfully opened libjnigraphics.so, have native bitmap access? %d", mHasNativeBitmapAccess);
}
// Try to dlopen libandroid.so for and native window access on
// Android 2.3+ (API level 9)
handle = dlopen("libandroid.so", RTLD_LAZY | RTLD_LOCAL);
if (handle) {
ANativeWindow_fromSurface = (void* (*)(JNIEnv*, jobject))dlsym(handle, "ANativeWindow_fromSurface");
ANativeWindow_release = (void (*)(void*))dlsym(handle, "ANativeWindow_release");
ANativeWindow_setBuffersGeometry = (int (*)(void*, int, int, int)) dlsym(handle, "ANativeWindow_setBuffersGeometry");
ANativeWindow_lock = (int (*)(void*, void*, void*)) dlsym(handle, "ANativeWindow_lock");
ANativeWindow_unlockAndPost = (int (*)(void*))dlsym(handle, "ANativeWindow_unlockAndPost");
ANativeWindow_getWidth = (int (*)(void*))dlsym(handle, "ANativeWindow_getWidth");
ANativeWindow_getHeight = (int (*)(void*))dlsym(handle, "ANativeWindow_getHeight");
// This is only available in Honeycomb and ICS. It was removed in Jelly Bean
ANativeWindow_fromSurfaceTexture = (void* (*)(JNIEnv*, jobject))dlsym(handle, "ANativeWindow_fromSurfaceTexture");
mHasNativeWindowAccess = ANativeWindow_fromSurface && ANativeWindow_release && ANativeWindow_lock && ANativeWindow_unlockAndPost;
ALOG_BRIDGE("Successfully opened libandroid.so, have native window access? %d", mHasNativeWindowAccess);
}
// We need one symbol from here on Jelly Bean
handle = dlopen("libandroid_runtime.so", RTLD_LAZY | RTLD_LOCAL);
if (handle) {
android_SurfaceTexture_getNativeWindow = (android::sp<AndroidRefable> (*)(JNIEnv*, jobject))dlsym(handle, "_ZN7android38android_SurfaceTexture_getNativeWindowEP7_JNIEnvP8_jobject");
}
if (mHasNativeWindowAccess)
return;
// Look up Surface functions, used for native window (surface) fallback
handle = dlopen("libsurfaceflinger_client.so", RTLD_LAZY);
if (handle) {
Surface_lock = (int (*)(void*, void*, void*, bool))dlsym(handle, "_ZN7android7Surface4lockEPNS0_11SurfaceInfoEPNS_6RegionEb");
Surface_unlockAndPost = (int (*)(void*))dlsym(handle, "_ZN7android7Surface13unlockAndPostEv");
handle = dlopen("libui.so", RTLD_LAZY);
if (handle) {
Region_constructor = (void (*)(void*))dlsym(handle, "_ZN7android6RegionC1Ev");
Region_set = (void (*)(void*, void*))dlsym(handle, "_ZN7android6Region3setERKNS_4RectE");
mHasNativeWindowFallback = Surface_lock && Surface_unlockAndPost && Region_constructor && Region_set;
}
}
}
}
namespace mozilla {
class TracerRunnable : public nsRunnable{
public:
TracerRunnable() {
mTracerLock = new Mutex("TracerRunnable");
mTracerCondVar = new CondVar(*mTracerLock, "TracerRunnable");
mMainThread = do_GetMainThread();
}
~TracerRunnable() {
delete mTracerCondVar;
delete mTracerLock;
mTracerLock = nullptr;
mTracerCondVar = nullptr;
}
virtual nsresult Run() {
MutexAutoLock lock(*mTracerLock);
if (!AndroidBridge::Bridge())
return NS_OK;
mHasRun = true;
mTracerCondVar->Notify();
return NS_OK;
}
bool Fire() {
if (!mTracerLock || !mTracerCondVar)
return false;
MutexAutoLock lock(*mTracerLock);
mHasRun = false;
mMainThread->Dispatch(this, NS_DISPATCH_NORMAL);
while (!mHasRun)
mTracerCondVar->Wait();
return true;
}
void Signal() {
MutexAutoLock lock(*mTracerLock);
mHasRun = true;
mTracerCondVar->Notify();
}
private:
Mutex* mTracerLock;
CondVar* mTracerCondVar;
bool mHasRun;
nsCOMPtr<nsIThread> mMainThread;
};
StaticRefPtr<TracerRunnable> sTracerRunnable;
bool InitWidgetTracing() {
if (!sTracerRunnable)
sTracerRunnable = new TracerRunnable();
return true;
}
void CleanUpWidgetTracing() {
sTracerRunnable = nullptr;
}
bool FireAndWaitForTracerEvent() {
if (sTracerRunnable)
return sTracerRunnable->Fire();
return false;
}
void SignalTracerThread()
{
if (sTracerRunnable)
return sTracerRunnable->Signal();
}
}
bool
AndroidBridge::HasNativeBitmapAccess()
{
OpenGraphicsLibraries();
return mHasNativeBitmapAccess;
}
bool
AndroidBridge::ValidateBitmap(jobject bitmap, int width, int height)
{
// This structure is defined in Android API level 8's <android/bitmap.h>
// Because we can't depend on this, we get the function pointers via dlsym
// and define this struct ourselves.
struct BitmapInfo {
uint32_t width;
uint32_t height;
uint32_t stride;
uint32_t format;
uint32_t flags;
};
int err;
struct BitmapInfo info = { 0, };
JNIEnv* const env = jni::GetGeckoThreadEnv();
if ((err = AndroidBitmap_getInfo(env, bitmap, &info)) != 0) {
ALOG_BRIDGE("AndroidBitmap_getInfo failed! (error %d)", err);
return false;
}
if ((int)info.width != width || (int)info.height != height)
return false;
return true;
}
bool
AndroidBridge::InitCamera(const nsCString& contentType, uint32_t camera, uint32_t *width, uint32_t *height, uint32_t *fps)
{
auto arr = GeckoAppShell::InitCameraWrapper
(NS_ConvertUTF8toUTF16(contentType), (int32_t) camera, (int32_t) *width, (int32_t) *height);
if (!arr)
return false;
JNIEnv* const env = arr.Env();
jint *elements = env->GetIntArrayElements(arr.Get(), 0);
*width = elements[1];
*height = elements[2];
*fps = elements[3];
bool res = elements[0] == 1;
env->ReleaseIntArrayElements(arr.Get(), elements, 0);
return res;
}
void
AndroidBridge::GetCurrentBatteryInformation(hal::BatteryInformation* aBatteryInfo)
{
ALOG_BRIDGE("AndroidBridge::GetCurrentBatteryInformation");
// To prevent calling too many methods through JNI, the Java method returns
// an array of double even if we actually want a double and a boolean.
auto arr = GeckoAppShell::GetCurrentBatteryInformationWrapper();