mozilla
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gecko-dev
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gecko-dev/widget/android/AndroidBridge.cpp

1117 строки
32 KiB
C++
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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/CompositorBridgeChild.h"
#include "mozilla/layers/CompositorBridgeParent.h"
#include "mozilla/Hal.h"
#include "nsXULAppAPI.h"
#include <prthread.h>
#include "AndroidBridge.h"
#include "AndroidJNIWrapper.h"
#include "AndroidBridgeUtilities.h"
#include "nsAlertsUtils.h"
#include "nsAppShell.h"
#include "nsOSHelperAppService.h"
#include "nsWindow.h"
#include "mozilla/Preferences.h"
#include "nsThreadUtils.h"
#include "nsIThreadManager.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 "mozilla/ClearOnShutdown.h"
#include "nsPrintfCString.h"
#include "nsContentUtils.h"
#include "nsIScriptError.h"
#include "nsIHttpChannel.h"
#include "EventDispatcher.h"
#include "MediaCodec.h"
#include "SurfaceTexture.h"
#include "GLContextProvider.h"
#include "mozilla/TimeStamp.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/dom/ContentChild.h"
#include "nsIObserverService.h"
#include "nsISupportsPrimitives.h"
#include "MediaPrefs.h"
#include "WidgetUtils.h"
#include "FennecJNIWrappers.h"
using namespace mozilla;
using namespace mozilla::gfx;
using namespace mozilla::jni;
using namespace mozilla::java;
AndroidBridge* AndroidBridge::sBridge = nullptr;
static jobject sGlobalContext = nullptr;
nsDataHashtable<nsStringHashKey, nsString> AndroidBridge::sStoragePaths;
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();
MediaPrefs::GetSingleton();
}
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()
: mUiTaskQueueLock("UiTaskQueue")
{
ALOG_BRIDGE("AndroidBridge::Init");
JNIEnv* const jEnv = jni::GetGeckoThreadEnv();
AutoLocalJNIFrame jniFrame(jEnv);
mMessageQueue = java::GeckoThread::MsgQueue();
auto msgQueueClass = Class::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;");
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 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");
}
// 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));
}
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::GetHandlersForMimeType(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::GetHandlersForURL(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::GetMimeTypeFromExtensions(aFileExt);
if (jstrType) {
aMimeType = jstrType->ToCString();
}
}
void
AndroidBridge::GetExtensionFromMimeType(const nsACString& aMimeType, nsACString& aFileExt)
{
ALOG_BRIDGE("AndroidBridge::GetExtensionFromMimeType");
auto jstrExt = GeckoAppShell::GetExtensionFromMimeType(aMimeType);
if (jstrExt) {
aFileExt = jstrExt->ToCString();
}
}
bool
AndroidBridge::GetClipboardText(nsAString& aText)
{
ALOG_BRIDGE("AndroidBridge::GetClipboardText");
auto text = Clipboard::GetText();
if (text) {
aText = text->ToString();
}
return !!text;
}
int
AndroidBridge::GetDPI()
{
static int sDPI = 0;
if (sDPI)
return sDPI;
const int DEFAULT_DPI = 160;
sDPI = GeckoAppShell::GetDpi();
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::GetScreenDepth();
}
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::Vibrate(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::Vibrate(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::GetSystemColors();
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::GetIconForExtension(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);
}
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;
}
namespace mozilla {
class TracerRunnable : public Runnable{
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();
}
}
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::GetCurrentBatteryInformation();
JNIEnv* const env = arr.Env();
if (!arr || env->GetArrayLength(arr.Get()) != 3) {
return;
}
jdouble* info = env->GetDoubleArrayElements(arr.Get(), 0);
aBatteryInfo->level() = info[0];
aBatteryInfo->charging() = info[1] == 1.0f;
aBatteryInfo->remainingTime() = info[2];
env->ReleaseDoubleArrayElements(arr.Get(), info, 0);
}
void
AndroidBridge::GetCurrentNetworkInformation(hal::NetworkInformation* aNetworkInfo)
{
ALOG_BRIDGE("AndroidBridge::GetCurrentNetworkInformation");
// To prevent calling too many methods through JNI, the Java method returns
// an array of double even if we actually want an integer, a boolean, and an integer.
auto arr = GeckoAppShell::GetCurrentNetworkInformation();
JNIEnv* const env = arr.Env();
if (!arr || env->GetArrayLength(arr.Get()) != 3) {
return;
}
jdouble* info = env->GetDoubleArrayElements(arr.Get(), 0);
aNetworkInfo->type() = info[0];
aNetworkInfo->isWifi() = info[1] == 1.0f;
aNetworkInfo->dhcpGateway() = info[2];
env->ReleaseDoubleArrayElements(arr.Get(), info, 0);
}
jobject
AndroidBridge::GetGlobalContextRef() {
if (sGlobalContext) {
return sGlobalContext;
}
JNIEnv* const env = GetEnvForThread();
AutoLocalJNIFrame jniFrame(env, 4);
auto context = GeckoAppShell::GetContext();
if (!context) {
ALOG_BRIDGE("%s: Could not GetContext()", __FUNCTION__);
return 0;
}
jclass contextClass = env->FindClass("android/content/Context");
if (!contextClass) {
ALOG_BRIDGE("%s: Could not find Context class.", __FUNCTION__);
return 0;
}
jmethodID mid = env->GetMethodID(contextClass, "getApplicationContext",
"()Landroid/content/Context;");
if (!mid) {
ALOG_BRIDGE("%s: Could not find getApplicationContext.", __FUNCTION__);
return 0;
}
jobject appContext = env->CallObjectMethod(context.Get(), mid);
if (!appContext) {
ALOG_BRIDGE("%s: getApplicationContext failed.", __FUNCTION__);
return 0;
}
sGlobalContext = env->NewGlobalRef(appContext);
MOZ_ASSERT(sGlobalContext);
return sGlobalContext;
}
/* Implementation file */
NS_IMPL_ISUPPORTS(nsAndroidBridge,
nsIAndroidEventDispatcher,
nsIAndroidBridge,
nsIObserver)
nsAndroidBridge::nsAndroidBridge() :
mAudibleWindowsNum(0)
{
if (jni::IsAvailable()) {
RefPtr<widget::EventDispatcher> dispatcher = new widget::EventDispatcher();
dispatcher->Attach(java::EventDispatcher::GetInstance(),
/* window */ nullptr);
mEventDispatcher = dispatcher;
}
AddObservers();
}
nsAndroidBridge::~nsAndroidBridge()
{
}
NS_IMETHODIMP nsAndroidBridge::HandleGeckoMessage(JS::HandleValue val,
JSContext *cx)
{
// Spit out a warning before sending the message.
nsContentUtils::ReportToConsoleNonLocalized(
NS_LITERAL_STRING("Use of handleGeckoMessage is deprecated. "
"Please use EventDispatcher from Messaging.jsm."),
nsIScriptError::warningFlag,
NS_LITERAL_CSTRING("nsIAndroidBridge"),
nullptr);
JS::RootedValue jsonVal(cx);
if (val.isObject()) {
jsonVal = val;
} else {
// Handle legacy JSON messages.
if (!val.isString()) {
return NS_ERROR_INVALID_ARG;
}
JS::RootedString jsonStr(cx, val.toString());
if (!JS_ParseJSON(cx, jsonStr, &jsonVal) || !jsonVal.isObject()) {
JS_ClearPendingException(cx);
return NS_ERROR_INVALID_ARG;
}
}
JS::RootedObject jsonObj(cx, &jsonVal.toObject());
JS::RootedValue typeVal(cx);
if (!JS_GetProperty(cx, jsonObj, "type", &typeVal)) {
JS_ClearPendingException(cx);
return NS_ERROR_INVALID_ARG;
}
return Dispatch(typeVal, jsonVal, /* callback */ nullptr, cx);
}
NS_IMETHODIMP nsAndroidBridge::ContentDocumentChanged(mozIDOMWindowProxy* aWindow)
{
AndroidBridge::Bridge()->ContentDocumentChanged(aWindow);
return NS_OK;
}
NS_IMETHODIMP nsAndroidBridge::IsContentDocumentDisplayed(mozIDOMWindowProxy* aWindow,
bool *aRet)
{
*aRet = AndroidBridge::Bridge()->IsContentDocumentDisplayed(aWindow);
return NS_OK;
}
NS_IMETHODIMP
nsAndroidBridge::Observe(nsISupports* aSubject, const char* aTopic,
const char16_t* aData)
{
if (!strcmp(aTopic, "xpcom-shutdown")) {
RemoveObservers();
} else if (!strcmp(aTopic, "audio-playback")) {
ALOG_BRIDGE("nsAndroidBridge::Observe, get audio-playback event.");
nsAutoString activeStr(aData);
bool isPlaying = activeStr.EqualsLiteral("active");
UpdateAudioPlayingWindows(isPlaying);
}
return NS_OK;
}
void
nsAndroidBridge::UpdateAudioPlayingWindows(bool aPlaying)
{
// Request audio focus for the first audio playing window and abandon focus
// for the last audio playing window.
MOZ_ASSERT(mAudibleWindowsNum >= 0);
if (aPlaying && mAudibleWindowsNum++ == 0) {
ALOG_BRIDGE("nsAndroidBridge, request audio focus.");
AudioFocusAgent::NotifyStartedPlaying();
} else if (!aPlaying && --mAudibleWindowsNum == 0) {
ALOG_BRIDGE("nsAndroidBridge, abandon audio focus.");
AudioFocusAgent::NotifyStoppedPlaying();
}
}
void
nsAndroidBridge::AddObservers()
{
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (obs) {
obs->AddObserver(this, "xpcom-shutdown", false);
if (jni::IsFennec()) { // No AudioFocusAgent in non-Fennec environment.
obs->AddObserver(this, "audio-playback", false);
}
}
}
void
nsAndroidBridge::RemoveObservers()
{
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (obs) {
obs->RemoveObserver(this, "xpcom-shutdown");
if (jni::IsFennec()) { // No AudioFocusAgent in non-Fennec environment.
obs->RemoveObserver(this, "audio-playback");
}
}
}
uint32_t
AndroidBridge::GetScreenOrientation()
{
ALOG_BRIDGE("AndroidBridge::GetScreenOrientation");
int16_t orientation = GeckoAppShell::GetScreenOrientation();
if (!orientation)
return dom::eScreenOrientation_None;
return static_cast<dom::ScreenOrientationInternal>(orientation);
}
uint16_t
AndroidBridge::GetScreenAngle()
{
return GeckoAppShell::GetScreenAngle();
}
nsresult
AndroidBridge::GetProxyForURI(const nsACString & aSpec,
const nsACString & aScheme,
const nsACString & aHost,
const int32_t aPort,
nsACString & aResult)
{
if (!jni::IsAvailable()) {
return NS_ERROR_FAILURE;
}
auto jstrRet = GeckoAppShell::GetProxyForURI(aSpec, aScheme, aHost, aPort);
if (!jstrRet)
return NS_ERROR_FAILURE;
aResult = jstrRet->ToCString();
return NS_OK;
}
bool
AndroidBridge::PumpMessageLoop()
{
JNIEnv* const env = jni::GetGeckoThreadEnv();
if (mMessageQueueMessages) {
auto msg = Object::LocalRef::Adopt(env,
env->GetObjectField(mMessageQueue.Get(),
mMessageQueueMessages));
// if queue.mMessages is null, queue.next() will block, which we don't
// want. It turns out to be an order of magnitude more performant to do
// this extra check here and block less vs. one fewer checks here and
// more blocking.
if (!msg) {
return false;
}
}
auto msg = Object::LocalRef::Adopt(
env, env->CallObjectMethod(mMessageQueue.Get(), mMessageQueueNext));
if (!msg) {
return false;
}
return GeckoThread::PumpMessageLoop(msg);
}
NS_IMETHODIMP nsAndroidBridge::GetBrowserApp(nsIAndroidBrowserApp * *aBrowserApp)
{
nsAppShell* const appShell = nsAppShell::Get();
if (appShell)
NS_IF_ADDREF(*aBrowserApp = appShell->GetBrowserApp());
return NS_OK;
}
NS_IMETHODIMP nsAndroidBridge::SetBrowserApp(nsIAndroidBrowserApp *aBrowserApp)
{
nsAppShell* const appShell = nsAppShell::Get();
if (appShell)
appShell->SetBrowserApp(aBrowserApp);
return NS_OK;
}
extern "C"
__attribute__ ((visibility("default")))
jobject JNICALL
Java_org_mozilla_gecko_GeckoAppShell_allocateDirectBuffer(JNIEnv *env, jclass, jlong size);
static jni::DependentRef<java::GeckoLayerClient>
GetJavaLayerClient(mozIDOMWindowProxy* aWindow)
{
MOZ_ASSERT(aWindow);
nsCOMPtr<nsPIDOMWindowOuter> domWindow = nsPIDOMWindowOuter::From(aWindow);
nsCOMPtr<nsIWidget> widget =
widget::WidgetUtils::DOMWindowToWidget(domWindow);
MOZ_ASSERT(widget);
return static_cast<nsWindow*>(widget.get())->GetLayerClient();
}
void
AndroidBridge::ContentDocumentChanged(mozIDOMWindowProxy* aWindow)
{
auto layerClient = GetJavaLayerClient(aWindow);
if (!layerClient) {
return;
}
layerClient->ContentDocumentChanged();
}
bool
AndroidBridge::IsContentDocumentDisplayed(mozIDOMWindowProxy* aWindow)
{
auto layerClient = GetJavaLayerClient(aWindow);
if (!layerClient) {
return false;
}
return layerClient->IsContentDocumentDisplayed();
}
class AndroidBridge::DelayedTask
{
using TimeStamp = mozilla::TimeStamp;
using TimeDuration = mozilla::TimeDuration;
public:
DelayedTask(already_AddRefed<nsIRunnable> aTask)
: mTask(aTask)
, mRunTime() // Null timestamp representing no delay.
{}
DelayedTask(already_AddRefed<nsIRunnable> aTask, int aDelayMs)
: mTask(aTask)
, mRunTime(TimeStamp::Now() + TimeDuration::FromMilliseconds(aDelayMs))
{}
bool IsEarlierThan(const DelayedTask& aOther) const
{
if (mRunTime) {
return aOther.mRunTime ? mRunTime < aOther.mRunTime : false;
}
// In the case of no delay, we're earlier if aOther has a delay.
// Otherwise, we're not earlier, to maintain task order.
return !!aOther.mRunTime;
}
int64_t MillisecondsToRunTime() const
{
if (mRunTime) {
return int64_t((mRunTime - TimeStamp::Now()).ToMilliseconds());
}
return 0;
}
already_AddRefed<nsIRunnable> TakeTask()
{
return mTask.forget();
}
private:
nsCOMPtr<nsIRunnable> mTask;
const TimeStamp mRunTime;
};
void
AndroidBridge::PostTaskToUiThread(already_AddRefed<nsIRunnable> aTask, int aDelayMs)
{
// add the new task into the mUiTaskQueue, sorted with
// the earliest task first in the queue
size_t i;
DelayedTask newTask(aDelayMs ? DelayedTask(mozilla::Move(aTask), aDelayMs)
: DelayedTask(mozilla::Move(aTask)));
{
MutexAutoLock lock(mUiTaskQueueLock);
for (i = 0; i < mUiTaskQueue.Length(); i++) {
if (newTask.IsEarlierThan(mUiTaskQueue[i])) {
mUiTaskQueue.InsertElementAt(i, mozilla::Move(newTask));
break;
}
}
if (i == mUiTaskQueue.Length()) {
// We didn't insert the task, which means we should append it.
mUiTaskQueue.AppendElement(mozilla::Move(newTask));
}
}
if (i == 0) {
// if we're inserting it at the head of the queue, notify Java because
// we need to get a callback at an earlier time than the last scheduled
// callback
GeckoThread::RequestUiThreadCallback(int64_t(aDelayMs));
}
}
int64_t
AndroidBridge::RunDelayedUiThreadTasks()
{
MutexAutoLock lock(mUiTaskQueueLock);
while (!mUiTaskQueue.IsEmpty()) {
const int64_t timeLeft = mUiTaskQueue[0].MillisecondsToRunTime();
if (timeLeft > 0) {
// this task (and therefore all remaining tasks)
// have not yet reached their runtime. return the
// time left until we should be called again
return timeLeft;
}
// Retrieve task before unlocking/running.
nsCOMPtr<nsIRunnable> nextTask(mUiTaskQueue[0].TakeTask());
mUiTaskQueue.RemoveElementAt(0);
// Unlock to allow posting new tasks reentrantly.
MutexAutoUnlock unlock(mUiTaskQueueLock);
nextTask->Run();
}
return -1;
}
Object::LocalRef AndroidBridge::ChannelCreate(Object::Param stream) {
JNIEnv* const env = GetEnvForThread();
auto rv = Object::LocalRef::Adopt(env, env->CallStaticObjectMethod(
sBridge->jChannels, sBridge->jChannelCreate, stream.Get()));
MOZ_CATCH_JNI_EXCEPTION(env);
return rv;
}
void AndroidBridge::InputStreamClose(Object::Param obj) {
JNIEnv* const env = GetEnvForThread();
env->CallVoidMethod(obj.Get(), sBridge->jClose);
MOZ_CATCH_JNI_EXCEPTION(env);
}
uint32_t AndroidBridge::InputStreamAvailable(Object::Param obj) {
JNIEnv* const env = GetEnvForThread();
auto rv = env->CallIntMethod(obj.Get(), sBridge->jAvailable);
MOZ_CATCH_JNI_EXCEPTION(env);
return rv;
}
nsresult AndroidBridge::InputStreamRead(Object::Param obj, char *aBuf, uint32_t aCount, uint32_t *aRead) {
JNIEnv* const env = GetEnvForThread();
auto arr = ByteBuffer::New(aBuf, aCount);
jint read = env->CallIntMethod(obj.Get(), sBridge->jByteBufferRead, arr.Get());
if (env->ExceptionCheck()) {
env->ExceptionClear();
return NS_ERROR_FAILURE;
}
if (read <= 0) {
*aRead = 0;
return NS_OK;
}
*aRead = read;
return NS_OK;
}
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