gecko-dev/widget/android/AndroidJavaWrappers.cpp

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31 KiB
C++

/* -*- 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 "AndroidJavaWrappers.h"
#include "AndroidBridge.h"
#include "AndroidBridgeUtilities.h"
#include "nsIDOMKeyEvent.h"
#include "nsIWidget.h"
#include "mozilla/BasicEvents.h"
#include "mozilla/TouchEvents.h"
using namespace mozilla;
using namespace mozilla::dom;
using namespace mozilla::widget::android;
jclass AndroidGeckoEvent::jGeckoEventClass = 0;
jfieldID AndroidGeckoEvent::jActionField = 0;
jfieldID AndroidGeckoEvent::jTypeField = 0;
jfieldID AndroidGeckoEvent::jAckNeededField = 0;
jfieldID AndroidGeckoEvent::jTimeField = 0;
jfieldID AndroidGeckoEvent::jPoints = 0;
jfieldID AndroidGeckoEvent::jPointIndicies = 0;
jfieldID AndroidGeckoEvent::jPressures = 0;
jfieldID AndroidGeckoEvent::jPointRadii = 0;
jfieldID AndroidGeckoEvent::jOrientations = 0;
jfieldID AndroidGeckoEvent::jXField = 0;
jfieldID AndroidGeckoEvent::jYField = 0;
jfieldID AndroidGeckoEvent::jZField = 0;
jfieldID AndroidGeckoEvent::jDistanceField = 0;
jfieldID AndroidGeckoEvent::jRectField = 0;
jfieldID AndroidGeckoEvent::jNativeWindowField = 0;
jfieldID AndroidGeckoEvent::jCharactersField = 0;
jfieldID AndroidGeckoEvent::jCharactersExtraField = 0;
jfieldID AndroidGeckoEvent::jDataField = 0;
jfieldID AndroidGeckoEvent::jDOMPrintableKeyValueField = 0;
jfieldID AndroidGeckoEvent::jKeyCodeField = 0;
jfieldID AndroidGeckoEvent::jMetaStateField = 0;
jfieldID AndroidGeckoEvent::jDomKeyLocationField = 0;
jfieldID AndroidGeckoEvent::jFlagsField = 0;
jfieldID AndroidGeckoEvent::jUnicodeCharField = 0;
jfieldID AndroidGeckoEvent::jBaseUnicodeCharField = 0;
jfieldID AndroidGeckoEvent::jRepeatCountField = 0;
jfieldID AndroidGeckoEvent::jCountField = 0;
jfieldID AndroidGeckoEvent::jStartField = 0;
jfieldID AndroidGeckoEvent::jEndField = 0;
jfieldID AndroidGeckoEvent::jPointerIndexField = 0;
jfieldID AndroidGeckoEvent::jRangeTypeField = 0;
jfieldID AndroidGeckoEvent::jRangeStylesField = 0;
jfieldID AndroidGeckoEvent::jRangeLineStyleField = 0;
jfieldID AndroidGeckoEvent::jRangeBoldLineField = 0;
jfieldID AndroidGeckoEvent::jRangeForeColorField = 0;
jfieldID AndroidGeckoEvent::jRangeBackColorField = 0;
jfieldID AndroidGeckoEvent::jRangeLineColorField = 0;
jfieldID AndroidGeckoEvent::jLocationField = 0;
jfieldID AndroidGeckoEvent::jConnectionTypeField = 0;
jfieldID AndroidGeckoEvent::jIsWifiField = 0;
jfieldID AndroidGeckoEvent::jDHCPGatewayField = 0;
jfieldID AndroidGeckoEvent::jScreenOrientationField = 0;
jfieldID AndroidGeckoEvent::jByteBufferField = 0;
jfieldID AndroidGeckoEvent::jWidthField = 0;
jfieldID AndroidGeckoEvent::jHeightField = 0;
jfieldID AndroidGeckoEvent::jPrefNamesField = 0;
jclass AndroidGeckoEvent::jDomKeyLocationClass = 0;
jfieldID AndroidGeckoEvent::jDomKeyLocationValueField = 0;
jclass AndroidPoint::jPointClass = 0;
jfieldID AndroidPoint::jXField = 0;
jfieldID AndroidPoint::jYField = 0;
jclass AndroidRect::jRectClass = 0;
jfieldID AndroidRect::jBottomField = 0;
jfieldID AndroidRect::jLeftField = 0;
jfieldID AndroidRect::jRightField = 0;
jfieldID AndroidRect::jTopField = 0;
jclass AndroidRectF::jRectClass = 0;
jfieldID AndroidRectF::jBottomField = 0;
jfieldID AndroidRectF::jLeftField = 0;
jfieldID AndroidRectF::jRightField = 0;
jfieldID AndroidRectF::jTopField = 0;
jclass AndroidLocation::jLocationClass = 0;
jmethodID AndroidLocation::jGetLatitudeMethod = 0;
jmethodID AndroidLocation::jGetLongitudeMethod = 0;
jmethodID AndroidLocation::jGetAltitudeMethod = 0;
jmethodID AndroidLocation::jGetAccuracyMethod = 0;
jmethodID AndroidLocation::jGetBearingMethod = 0;
jmethodID AndroidLocation::jGetSpeedMethod = 0;
jmethodID AndroidLocation::jGetTimeMethod = 0;
jclass AndroidLayerRendererFrame::jLayerRendererFrameClass = 0;
jmethodID AndroidLayerRendererFrame::jBeginDrawingMethod = 0;
jmethodID AndroidLayerRendererFrame::jDrawBackgroundMethod = 0;
jmethodID AndroidLayerRendererFrame::jDrawForegroundMethod = 0;
jmethodID AndroidLayerRendererFrame::jEndDrawingMethod = 0;
RefCountedJavaObject::~RefCountedJavaObject() {
if (mObject)
GetJNIForThread()->DeleteGlobalRef(mObject);
mObject = nullptr;
}
void
mozilla::InitAndroidJavaWrappers(JNIEnv *jEnv)
{
AndroidGeckoEvent::InitGeckoEventClass(jEnv);
AndroidPoint::InitPointClass(jEnv);
AndroidLocation::InitLocationClass(jEnv);
AndroidRect::InitRectClass(jEnv);
AndroidRectF::InitRectFClass(jEnv);
AndroidLayerRendererFrame::InitLayerRendererFrameClass(jEnv);
InitStubs(jEnv);
}
void
AndroidGeckoEvent::InitGeckoEventClass(JNIEnv *jEnv)
{
initInit();
jGeckoEventClass = getClassGlobalRef("org/mozilla/gecko/GeckoEvent");
jActionField = getField("mAction", "I");
jTypeField = getField("mType", "I");
jAckNeededField = getField("mAckNeeded", "Z");
jTimeField = getField("mTime", "J");
jPoints = getField("mPoints", "[Landroid/graphics/Point;");
jPointIndicies = getField("mPointIndicies", "[I");
jOrientations = getField("mOrientations", "[F");
jPressures = getField("mPressures", "[F");
jPointRadii = getField("mPointRadii", "[Landroid/graphics/Point;");
jXField = getField("mX", "D");
jYField = getField("mY", "D");
jZField = getField("mZ", "D");
jRectField = getField("mRect", "Landroid/graphics/Rect;");
jCharactersField = getField("mCharacters", "Ljava/lang/String;");
jCharactersExtraField = getField("mCharactersExtra", "Ljava/lang/String;");
jDataField = getField("mData", "Ljava/lang/String;");
jKeyCodeField = getField("mKeyCode", "I");
jMetaStateField = getField("mMetaState", "I");
jDomKeyLocationField = getField("mDomKeyLocation", "Lorg/mozilla/gecko/GeckoEvent$DomKeyLocation;");
jFlagsField = getField("mFlags", "I");
jUnicodeCharField = getField("mUnicodeChar", "I");
jBaseUnicodeCharField = getField("mBaseUnicodeChar", "I");
jDOMPrintableKeyValueField = getField("mDOMPrintableKeyValue", "I");
jRepeatCountField = getField("mRepeatCount", "I");
jCountField = getField("mCount", "I");
jStartField = getField("mStart", "I");
jEndField = getField("mEnd", "I");
jPointerIndexField = getField("mPointerIndex", "I");
jRangeTypeField = getField("mRangeType", "I");
jRangeStylesField = getField("mRangeStyles", "I");
jRangeLineStyleField = getField("mRangeLineStyle", "I");
jRangeBoldLineField = getField("mRangeBoldLine", "Z");
jRangeForeColorField = getField("mRangeForeColor", "I");
jRangeBackColorField = getField("mRangeBackColor", "I");
jRangeLineColorField = getField("mRangeLineColor", "I");
jLocationField = getField("mLocation", "Landroid/location/Location;");
jConnectionTypeField = getField("mConnectionType", "I");
jIsWifiField = getField("mIsWifi", "Z");
jDHCPGatewayField = getField("mDHCPGateway", "I");
jScreenOrientationField = getField("mScreenOrientation", "S");
jByteBufferField = getField("mBuffer", "Ljava/nio/ByteBuffer;");
jWidthField = getField("mWidth", "I");
jHeightField = getField("mHeight", "I");
jPrefNamesField = getField("mPrefNames", "[Ljava/lang/String;");
// Init GeckoEvent.DomKeyLocation enum
jDomKeyLocationClass = getClassGlobalRef("org/mozilla/gecko/GeckoEvent$DomKeyLocation");
jDomKeyLocationValueField = getField("value", "I");
}
void
AndroidLocation::InitLocationClass(JNIEnv *jEnv)
{
initInit();
jLocationClass = getClassGlobalRef("android/location/Location");
jGetLatitudeMethod = getMethod("getLatitude", "()D");
jGetLongitudeMethod = getMethod("getLongitude", "()D");
jGetAltitudeMethod = getMethod("getAltitude", "()D");
jGetAccuracyMethod = getMethod("getAccuracy", "()F");
jGetBearingMethod = getMethod("getBearing", "()F");
jGetSpeedMethod = getMethod("getSpeed", "()F");
jGetTimeMethod = getMethod("getTime", "()J");
}
nsGeoPosition*
AndroidLocation::CreateGeoPosition(JNIEnv *jenv, jobject jobj)
{
AutoLocalJNIFrame jniFrame(jenv);
double latitude = jenv->CallDoubleMethod(jobj, jGetLatitudeMethod);
if (jniFrame.CheckForException()) return nullptr;
double longitude = jenv->CallDoubleMethod(jobj, jGetLongitudeMethod);
if (jniFrame.CheckForException()) return nullptr;
double altitude = jenv->CallDoubleMethod(jobj, jGetAltitudeMethod);
if (jniFrame.CheckForException()) return nullptr;
float accuracy = jenv->CallFloatMethod (jobj, jGetAccuracyMethod);
if (jniFrame.CheckForException()) return nullptr;
float bearing = jenv->CallFloatMethod (jobj, jGetBearingMethod);
if (jniFrame.CheckForException()) return nullptr;
float speed = jenv->CallFloatMethod (jobj, jGetSpeedMethod);
if (jniFrame.CheckForException()) return nullptr;
long long time = jenv->CallLongMethod (jobj, jGetTimeMethod);
if (jniFrame.CheckForException()) return nullptr;
return new nsGeoPosition(latitude, longitude,
altitude, accuracy,
accuracy, bearing,
speed, time);
}
void
AndroidPoint::InitPointClass(JNIEnv *jEnv)
{
initInit();
jPointClass = getClassGlobalRef("android/graphics/Point");
jXField = getField("x", "I");
jYField = getField("y", "I");
}
void
AndroidRect::InitRectClass(JNIEnv *jEnv)
{
initInit();
jRectClass = getClassGlobalRef("android/graphics/Rect");
jBottomField = getField("bottom", "I");
jLeftField = getField("left", "I");
jTopField = getField("top", "I");
jRightField = getField("right", "I");
}
void
AndroidRectF::InitRectFClass(JNIEnv *jEnv)
{
initInit();
jRectClass = getClassGlobalRef("android/graphics/RectF");
jBottomField = getField("bottom", "F");
jLeftField = getField("left", "F");
jTopField = getField("top", "F");
jRightField = getField("right", "F");
}
void
AndroidLayerRendererFrame::InitLayerRendererFrameClass(JNIEnv *jEnv)
{
initInit();
jLayerRendererFrameClass = getClassGlobalRef("org/mozilla/gecko/gfx/LayerRenderer$Frame");
jBeginDrawingMethod = getMethod("beginDrawing", "()V");
jDrawBackgroundMethod = getMethod("drawBackground", "()V");
jDrawForegroundMethod = getMethod("drawForeground", "()V");
jEndDrawingMethod = getMethod("endDrawing", "()V");
}
#undef initInit
#undef initClassGlobalRef
#undef getField
#undef getMethod
void
AndroidGeckoEvent::ReadPointArray(nsTArray<nsIntPoint> &points,
JNIEnv *jenv,
jfieldID field,
int32_t count)
{
jobjectArray jObjArray = (jobjectArray)jenv->GetObjectField(wrapped_obj, field);
for (int32_t i = 0; i < count; i++) {
jobject jObj = jenv->GetObjectArrayElement(jObjArray, i);
AndroidPoint jpoint(jenv, jObj);
nsIntPoint p(jpoint.X(), jpoint.Y());
points.AppendElement(p);
}
}
void
AndroidGeckoEvent::ReadIntArray(nsTArray<int> &aVals,
JNIEnv *jenv,
jfieldID field,
int32_t count)
{
jintArray jIntArray = (jintArray)jenv->GetObjectField(wrapped_obj, field);
jint *vals = jenv->GetIntArrayElements(jIntArray, nullptr);
for (int32_t i = 0; i < count; i++) {
aVals.AppendElement(vals[i]);
}
jenv->ReleaseIntArrayElements(jIntArray, vals, JNI_ABORT);
}
void
AndroidGeckoEvent::ReadFloatArray(nsTArray<float> &aVals,
JNIEnv *jenv,
jfieldID field,
int32_t count)
{
jfloatArray jFloatArray = (jfloatArray)jenv->GetObjectField(wrapped_obj, field);
jfloat *vals = jenv->GetFloatArrayElements(jFloatArray, nullptr);
for (int32_t i = 0; i < count; i++) {
aVals.AppendElement(vals[i]);
}
jenv->ReleaseFloatArrayElements(jFloatArray, vals, JNI_ABORT);
}
void
AndroidGeckoEvent::ReadStringArray(nsTArray<nsString> &array,
JNIEnv *jenv,
jfieldID field)
{
jarray jArray = (jarray)jenv->GetObjectField(wrapped_obj, field);
jsize length = jenv->GetArrayLength(jArray);
jobjectArray jStringArray = (jobjectArray)jArray;
nsString *strings = array.AppendElements(length);
for (jsize i = 0; i < length; ++i) {
jstring javastring = (jstring) jenv->GetObjectArrayElement(jStringArray, i);
ReadStringFromJString(strings[i], jenv, javastring);
}
}
void
AndroidGeckoEvent::ReadRectField(JNIEnv *jenv)
{
AndroidRect r(jenv, jenv->GetObjectField(wrappedObject(), jRectField));
if (!r.isNull()) {
mRect.SetRect(r.Left(),
r.Top(),
r.Width(),
r.Height());
} else {
mRect.SetEmpty();
}
}
void
AndroidGeckoEvent::ReadStringFromJString(nsString &aString, JNIEnv *jenv,
jstring s)
{
if (!s) {
aString.SetIsVoid(true);
return;
}
int len = jenv->GetStringLength(s);
aString.SetLength(len);
jenv->GetStringRegion(s, 0, len, reinterpret_cast<jchar*>(aString.BeginWriting()));
}
void
AndroidGeckoEvent::ReadCharactersField(JNIEnv *jenv)
{
jstring s = (jstring) jenv->GetObjectField(wrapped_obj, jCharactersField);
ReadStringFromJString(mCharacters, jenv, s);
}
void
AndroidGeckoEvent::ReadCharactersExtraField(JNIEnv *jenv)
{
jstring s = (jstring) jenv->GetObjectField(wrapped_obj, jCharactersExtraField);
ReadStringFromJString(mCharactersExtra, jenv, s);
}
void
AndroidGeckoEvent::ReadDataField(JNIEnv *jenv)
{
jstring s = (jstring) jenv->GetObjectField(wrapped_obj, jDataField);
ReadStringFromJString(mData, jenv, s);
}
void
AndroidGeckoEvent::UnionRect(nsIntRect const& aRect)
{
mRect = aRect.Union(mRect);
}
uint32_t
AndroidGeckoEvent::ReadDomKeyLocation(JNIEnv* jenv, jobject jGeckoEventObj)
{
jobject enumObject = jenv->GetObjectField(jGeckoEventObj,
jDomKeyLocationField);
MOZ_ASSERT(enumObject);
int enumValue = jenv->GetIntField(enumObject, jDomKeyLocationValueField);
MOZ_ASSERT(enumValue >= nsIDOMKeyEvent::DOM_KEY_LOCATION_STANDARD &&
enumValue <= nsIDOMKeyEvent::DOM_KEY_LOCATION_JOYSTICK);
return static_cast<uint32_t>(enumValue);
}
void
AndroidGeckoEvent::Init(JNIEnv *jenv, jobject jobj)
{
NS_ASSERTION(!wrapped_obj, "Init called on non-null wrapped_obj!");
wrapped_obj = jobj;
if (!jobj)
return;
mAction = jenv->GetIntField(jobj, jActionField);
mType = jenv->GetIntField(jobj, jTypeField);
mAckNeeded = jenv->GetBooleanField(jobj, jAckNeededField);
switch (mType) {
case SIZE_CHANGED:
ReadPointArray(mPoints, jenv, jPoints, 2);
break;
case KEY_EVENT:
case IME_KEY_EVENT:
mTime = jenv->GetLongField(jobj, jTimeField);
mMetaState = jenv->GetIntField(jobj, jMetaStateField);
mDomKeyLocation = ReadDomKeyLocation(jenv, jobj);
mFlags = jenv->GetIntField(jobj, jFlagsField);
mKeyCode = jenv->GetIntField(jobj, jKeyCodeField);
mUnicodeChar = jenv->GetIntField(jobj, jUnicodeCharField);
mBaseUnicodeChar = jenv->GetIntField(jobj, jBaseUnicodeCharField);
mDOMPrintableKeyValue =
jenv->GetIntField(jobj, jDOMPrintableKeyValueField);
mRepeatCount = jenv->GetIntField(jobj, jRepeatCountField);
ReadCharactersField(jenv);
break;
case NATIVE_GESTURE_EVENT:
mTime = jenv->GetLongField(jobj, jTimeField);
mMetaState = jenv->GetIntField(jobj, jMetaStateField);
mCount = jenv->GetIntField(jobj, jCountField);
ReadPointArray(mPoints, jenv, jPoints, mCount);
mX = jenv->GetDoubleField(jobj, jXField);
break;
case MOTION_EVENT:
mTime = jenv->GetLongField(jobj, jTimeField);
mMetaState = jenv->GetIntField(jobj, jMetaStateField);
mCount = jenv->GetIntField(jobj, jCountField);
mPointerIndex = jenv->GetIntField(jobj, jPointerIndexField);
ReadPointArray(mPointRadii, jenv, jPointRadii, mCount);
ReadFloatArray(mOrientations, jenv, jOrientations, mCount);
ReadFloatArray(mPressures, jenv, jPressures, mCount);
ReadPointArray(mPoints, jenv, jPoints, mCount);
ReadIntArray(mPointIndicies, jenv, jPointIndicies, mCount);
break;
case IME_EVENT:
mStart = jenv->GetIntField(jobj, jStartField);
mEnd = jenv->GetIntField(jobj, jEndField);
if (mAction == IME_REPLACE_TEXT) {
ReadCharactersField(jenv);
} else if (mAction == IME_UPDATE_COMPOSITION ||
mAction == IME_ADD_COMPOSITION_RANGE) {
mRangeType = jenv->GetIntField(jobj, jRangeTypeField);
mRangeStyles = jenv->GetIntField(jobj, jRangeStylesField);
mRangeLineStyle =
jenv->GetIntField(jobj, jRangeLineStyleField);
mRangeBoldLine =
jenv->GetBooleanField(jobj, jRangeBoldLineField);
mRangeForeColor =
jenv->GetIntField(jobj, jRangeForeColorField);
mRangeBackColor =
jenv->GetIntField(jobj, jRangeBackColorField);
mRangeLineColor =
jenv->GetIntField(jobj, jRangeLineColorField);
}
break;
case DRAW:
ReadRectField(jenv);
break;
case SENSOR_EVENT:
mX = jenv->GetDoubleField(jobj, jXField);
mY = jenv->GetDoubleField(jobj, jYField);
mZ = jenv->GetDoubleField(jobj, jZField);
mFlags = jenv->GetIntField(jobj, jFlagsField);
mMetaState = jenv->GetIntField(jobj, jMetaStateField);
break;
case LOCATION_EVENT: {
jobject location = jenv->GetObjectField(jobj, jLocationField);
mGeoPosition = AndroidLocation::CreateGeoPosition(jenv, location);
break;
}
case LOAD_URI: {
ReadCharactersField(jenv);
ReadCharactersExtraField(jenv);
break;
}
case VIEWPORT:
case BROADCAST: {
ReadCharactersField(jenv);
ReadCharactersExtraField(jenv);
break;
}
case NETWORK_CHANGED: {
mConnectionType = jenv->GetIntField(jobj, jConnectionTypeField);
mIsWifi = jenv->GetBooleanField(jobj, jIsWifiField);
mDHCPGateway = jenv->GetIntField(jobj, jDHCPGatewayField);
break;
}
case VISITED: {
ReadCharactersField(jenv);
break;
}
case THUMBNAIL: {
mMetaState = jenv->GetIntField(jobj, jMetaStateField);
ReadPointArray(mPoints, jenv, jPoints, 1);
mByteBuffer = new RefCountedJavaObject(jenv, jenv->GetObjectField(jobj, jByteBufferField));
break;
}
case SCREENORIENTATION_CHANGED: {
mScreenOrientation = jenv->GetShortField(jobj, jScreenOrientationField);
break;
}
case COMPOSITOR_CREATE: {
mWidth = jenv->GetIntField(jobj, jWidthField);
mHeight = jenv->GetIntField(jobj, jHeightField);
break;
}
case CALL_OBSERVER: {
ReadCharactersField(jenv);
ReadCharactersExtraField(jenv);
ReadDataField(jenv);
break;
}
case REMOVE_OBSERVER: {
ReadCharactersField(jenv);
break;
}
case LOW_MEMORY: {
mMetaState = jenv->GetIntField(jobj, jMetaStateField);
break;
}
case NETWORK_LINK_CHANGE: {
ReadCharactersField(jenv);
break;
}
case TELEMETRY_HISTOGRAM_ADD: {
ReadCharactersField(jenv);
mCount = jenv->GetIntField(jobj, jCountField);
break;
}
case TELEMETRY_UI_SESSION_START: {
ReadCharactersField(jenv);
mTime = jenv->GetLongField(jobj, jTimeField);
break;
}
case TELEMETRY_UI_SESSION_STOP: {
ReadCharactersField(jenv);
ReadCharactersExtraField(jenv);
mTime = jenv->GetLongField(jobj, jTimeField);
break;
}
case TELEMETRY_UI_EVENT: {
ReadCharactersField(jenv);
ReadCharactersExtraField(jenv);
ReadDataField(jenv);
mTime = jenv->GetLongField(jobj, jTimeField);
break;
}
case PREFERENCES_OBSERVE:
case PREFERENCES_GET: {
ReadStringArray(mPrefNames, jenv, jPrefNamesField);
mCount = jenv->GetIntField(jobj, jCountField);
break;
}
case PREFERENCES_REMOVE_OBSERVERS: {
mCount = jenv->GetIntField(jobj, jCountField);
break;
}
default:
break;
}
#ifdef DEBUG_ANDROID_EVENTS
ALOG("AndroidGeckoEvent: %p : %d", (void*)jobj, mType);
#endif
}
void
AndroidGeckoEvent::Init(int aType)
{
mType = aType;
mAckNeeded = false;
}
void
AndroidGeckoEvent::Init(AndroidGeckoEvent *aResizeEvent)
{
NS_ASSERTION(aResizeEvent->Type() == SIZE_CHANGED, "Init called on non-SIZE_CHANGED event");
mType = FORCED_RESIZE;
mAckNeeded = false;
mTime = aResizeEvent->mTime;
mPoints = aResizeEvent->mPoints; // x,y coordinates
}
WidgetTouchEvent
AndroidGeckoEvent::MakeTouchEvent(nsIWidget* widget)
{
int type = NS_EVENT_NULL;
int startIndex = 0;
int endIndex = Count();
switch (Action()) {
case AndroidMotionEvent::ACTION_DOWN:
case AndroidMotionEvent::ACTION_POINTER_DOWN: {
type = NS_TOUCH_START;
break;
}
case AndroidMotionEvent::ACTION_MOVE: {
type = NS_TOUCH_MOVE;
break;
}
case AndroidMotionEvent::ACTION_UP:
case AndroidMotionEvent::ACTION_POINTER_UP: {
type = NS_TOUCH_END;
// for pointer-up events we only want the data from
// the one pointer that went up
startIndex = PointerIndex();
endIndex = startIndex + 1;
break;
}
case AndroidMotionEvent::ACTION_OUTSIDE:
case AndroidMotionEvent::ACTION_CANCEL: {
type = NS_TOUCH_CANCEL;
break;
}
}
WidgetTouchEvent event(true, type, widget);
if (type == NS_EVENT_NULL) {
// An event we don't know about
return event;
}
event.modifiers = DOMModifiers();
event.time = Time();
const nsIntPoint& offset = widget->WidgetToScreenOffset();
event.touches.SetCapacity(endIndex - startIndex);
for (int i = startIndex; i < endIndex; i++) {
// In this code branch, we are dispatching this event directly
// into Gecko (as opposed to going through the AsyncPanZoomController),
// and the Points() array has points in CSS pixels, which we need
// to convert.
CSSToLayoutDeviceScale scale = widget->GetDefaultScale();
nsIntPoint pt(
(Points()[i].x * scale.scale) - offset.x,
(Points()[i].y * scale.scale) - offset.y);
nsIntPoint radii(
PointRadii()[i].x * scale.scale,
PointRadii()[i].y * scale.scale);
nsRefPtr<Touch> t = new Touch(PointIndicies()[i],
pt,
radii,
Orientations()[i],
Pressures()[i]);
event.touches.AppendElement(t);
}
return event;
}
MultiTouchInput
AndroidGeckoEvent::MakeMultiTouchInput(nsIWidget* widget)
{
MultiTouchInput::MultiTouchType type = (MultiTouchInput::MultiTouchType)-1;
int startIndex = 0;
int endIndex = Count();
switch (Action()) {
case AndroidMotionEvent::ACTION_DOWN:
case AndroidMotionEvent::ACTION_POINTER_DOWN: {
type = MultiTouchInput::MULTITOUCH_START;
break;
}
case AndroidMotionEvent::ACTION_MOVE: {
type = MultiTouchInput::MULTITOUCH_MOVE;
break;
}
case AndroidMotionEvent::ACTION_UP:
case AndroidMotionEvent::ACTION_POINTER_UP: {
// for pointer-up events we only want the data from
// the one pointer that went up
startIndex = PointerIndex();
endIndex = startIndex + 1;
type = MultiTouchInput::MULTITOUCH_END;
break;
}
case AndroidMotionEvent::ACTION_OUTSIDE:
case AndroidMotionEvent::ACTION_CANCEL: {
type = MultiTouchInput::MULTITOUCH_CANCEL;
break;
}
}
MultiTouchInput event(type, Time(), 0);
event.modifiers = DOMModifiers();
if (type < 0) {
// An event we don't know about
return event;
}
const nsIntPoint& offset = widget->WidgetToScreenOffset();
event.mTouches.SetCapacity(endIndex - startIndex);
for (int i = startIndex; i < endIndex; i++) {
nsIntPoint point = Points()[i] - offset;
nsIntPoint radius = PointRadii()[i];
SingleTouchData data(PointIndicies()[i],
ScreenIntPoint::FromUnknownPoint(
gfx::IntPoint(point.x, point.y)),
ScreenSize::FromUnknownSize(
gfx::Size(radius.x, radius.y)),
Orientations()[i],
Pressures()[i]);
event.mTouches.AppendElement(data);
}
return event;
}
WidgetMouseEvent
AndroidGeckoEvent::MakeMouseEvent(nsIWidget* widget)
{
uint32_t msg = NS_EVENT_NULL;
if (Points().Length() > 0) {
switch (Action()) {
case AndroidMotionEvent::ACTION_HOVER_MOVE:
msg = NS_MOUSE_MOVE;
break;
case AndroidMotionEvent::ACTION_HOVER_ENTER:
msg = NS_MOUSEENTER;
break;
case AndroidMotionEvent::ACTION_HOVER_EXIT:
msg = NS_MOUSELEAVE;
break;
default:
break;
}
}
WidgetMouseEvent event(true, msg, widget,
WidgetMouseEvent::eReal, WidgetMouseEvent::eNormal);
if (msg == NS_EVENT_NULL) {
// unknown type, or no point data. abort
return event;
}
// XXX can we synthesize different buttons?
event.button = WidgetMouseEvent::eLeftButton;
if (msg != NS_MOUSE_MOVE) {
event.clickCount = 1;
}
event.modifiers = DOMModifiers();
event.time = Time();
// We are dispatching this event directly into Gecko (as opposed to going
// through the AsyncPanZoomController), and the Points() array has points
// in CSS pixels, which we need to convert to LayoutDevice pixels.
const nsIntPoint& offset = widget->WidgetToScreenOffset();
CSSToLayoutDeviceScale scale = widget->GetDefaultScale();
event.refPoint = LayoutDeviceIntPoint((Points()[0].x * scale.scale) - offset.x,
(Points()[0].y * scale.scale) - offset.y);
return event;
}
Modifiers
AndroidGeckoEvent::DOMModifiers() const
{
Modifiers result = 0;
if (mMetaState & AMETA_ALT_MASK) {
result |= MODIFIER_ALT;
}
if (mMetaState & AMETA_SHIFT_MASK) {
result |= MODIFIER_SHIFT;
}
if (mMetaState & AMETA_CTRL_MASK) {
result |= MODIFIER_CONTROL;
}
if (mMetaState & AMETA_META_MASK) {
result |= MODIFIER_META;
}
if (mMetaState & AMETA_FUNCTION_ON) {
result |= MODIFIER_FN;
}
if (mMetaState & AMETA_CAPS_LOCK_ON) {
result |= MODIFIER_CAPSLOCK;
}
if (mMetaState & AMETA_NUM_LOCK_ON) {
result |= MODIFIER_NUMLOCK;
}
if (mMetaState & AMETA_SCROLL_LOCK_ON) {
result |= MODIFIER_SCROLLLOCK;
}
return result;
}
void
AndroidPoint::Init(JNIEnv *jenv, jobject jobj)
{
if (jobj) {
mX = jenv->GetIntField(jobj, jXField);
mY = jenv->GetIntField(jobj, jYField);
} else {
mX = 0;
mY = 0;
}
}
void
AndroidLayerRendererFrame::Init(JNIEnv *env, jobject jobj)
{
if (!isNull()) {
Dispose(env);
}
wrapped_obj = env->NewGlobalRef(jobj);
}
void
AndroidLayerRendererFrame::Dispose(JNIEnv *env)
{
if (isNull()) {
return;
}
env->DeleteGlobalRef(wrapped_obj);
wrapped_obj = 0;
}
NS_IMPL_ISUPPORTS1(nsAndroidDisplayport, nsIAndroidDisplayport)
bool
AndroidLayerRendererFrame::BeginDrawing(AutoLocalJNIFrame *jniFrame)
{
if (!jniFrame || !jniFrame->GetEnv())
return false;
jniFrame->GetEnv()->CallVoidMethod(wrapped_obj, jBeginDrawingMethod);
if (jniFrame->CheckForException())
return false;
return true;
}
bool
AndroidLayerRendererFrame::DrawBackground(AutoLocalJNIFrame *jniFrame)
{
if (!jniFrame || !jniFrame->GetEnv())
return false;
jniFrame->GetEnv()->CallVoidMethod(wrapped_obj, jDrawBackgroundMethod);
if (jniFrame->CheckForException())
return false;
return true;
}
bool
AndroidLayerRendererFrame::DrawForeground(AutoLocalJNIFrame *jniFrame)
{
if (!jniFrame || !jniFrame->GetEnv())
return false;
jniFrame->GetEnv()->CallVoidMethod(wrapped_obj, jDrawForegroundMethod);
if (jniFrame->CheckForException())
return false;
return true;
}
bool
AndroidLayerRendererFrame::EndDrawing(AutoLocalJNIFrame *jniFrame)
{
if (!jniFrame || !jniFrame->GetEnv())
return false;
jniFrame->GetEnv()->CallVoidMethod(wrapped_obj, jEndDrawingMethod);
if (jniFrame->CheckForException())
return false;
return true;
}
void
AndroidRect::Init(JNIEnv *jenv, jobject jobj)
{
NS_ASSERTION(wrapped_obj == nullptr, "Init called on non-null wrapped_obj!");
wrapped_obj = jobj;
if (jobj) {
mTop = jenv->GetIntField(jobj, jTopField);
mLeft = jenv->GetIntField(jobj, jLeftField);
mRight = jenv->GetIntField(jobj, jRightField);
mBottom = jenv->GetIntField(jobj, jBottomField);
} else {
mTop = 0;
mLeft = 0;
mRight = 0;
mBottom = 0;
}
}
void
AndroidRectF::Init(JNIEnv *jenv, jobject jobj)
{
NS_ASSERTION(wrapped_obj == nullptr, "Init called on non-null wrapped_obj!");
wrapped_obj = jobj;
if (jobj) {
mTop = jenv->GetFloatField(jobj, jTopField);
mLeft = jenv->GetFloatField(jobj, jLeftField);
mRight = jenv->GetFloatField(jobj, jRightField);
mBottom = jenv->GetFloatField(jobj, jBottomField);
} else {
mTop = 0;
mLeft = 0;
mRight = 0;
mBottom = 0;
}
}
nsJNIString::nsJNIString(jstring jstr, JNIEnv *jenv)
{
if (!jstr) {
SetIsVoid(true);
return;
}
JNIEnv *jni = jenv;
if (!jni) {
jni = AndroidBridge::GetJNIEnv();
}
const jchar* jCharPtr = jni->GetStringChars(jstr, nullptr);
if (!jCharPtr) {
SetIsVoid(true);
return;
}
jsize len = jni->GetStringLength(jstr);
if (len <= 0) {
SetIsVoid(true);
} else {
Assign(reinterpret_cast<const char16_t*>(jCharPtr), len);
}
jni->ReleaseStringChars(jstr, jCharPtr);
}