void
AndroidGeckoLayerClient::SyncViewportInfo(const LayerIntRect& aDisplayPort, const CSSToLayerScale& aDisplayResolution,
bool aLayersUpdated, ScreenPoint& aScrollOffset, CSSToScreenScale& aScale,
LayerMargin& aFixedLayerMargins, ScreenPoint& aOffset)
{
NS_ASSERTION(!isNull(), "SyncViewportInfo called on null layer client!");
JNIEnv *env = GetJNIForThread(); // this is called on the compositor thread
if (!env)
return;
AutoLocalJNIFrame jniFrame(env);
jobject viewTransformJObj = env->CallObjectMethod(wrapped_obj, jSyncViewportInfoMethod,
aDisplayPort.x, aDisplayPort.y,
aDisplayPort.width, aDisplayPort.height,
aDisplayResolution.scale, aLayersUpdated);
if (jniFrame.CheckForException())
return;
NS_ABORT_IF_FALSE(viewTransformJObj, "No view transform object!");
AndroidViewTransform viewTransform;
viewTransform.Init(viewTransformJObj);
aScrollOffset = ScreenPoint(viewTransform.GetX(env), viewTransform.GetY(env));
aScale.scale = viewTransform.GetScale(env);
viewTransform.GetFixedLayerMargins(env, aFixedLayerMargins);
aOffset.x = viewTransform.GetOffsetX(env);
aOffset.y = viewTransform.GetOffsetY(env);
}
void
AndroidGeckoLayerClient::SyncFrameMetrics(const ScreenPoint& aScrollOffset, float aZoom, const CSSRect& aCssPageRect,
bool aLayersUpdated, const CSSRect& aDisplayPort, const CSSToLayerScale& aDisplayResolution,
bool aIsFirstPaint, LayerMargin& aFixedLayerMargins, ScreenPoint& aOffset)
{
NS_ASSERTION(!isNull(), "SyncFrameMetrics called on null layer client!");
JNIEnv *env = GetJNIForThread(); // this is called on the compositor thread
if (!env)
return;
AutoLocalJNIFrame jniFrame(env);
// convert the displayport rect from scroll-relative CSS pixels to document-relative device pixels
LayerRect dpUnrounded = aDisplayPort * aDisplayResolution;
dpUnrounded += LayerPoint::FromUnknownPoint(aScrollOffset.ToUnknownPoint());
LayerIntRect dp = gfx::RoundedToInt(dpUnrounded);
jobject viewTransformJObj = env->CallObjectMethod(wrapped_obj, jSyncFrameMetricsMethod,
aScrollOffset.x, aScrollOffset.y, aZoom,
aCssPageRect.x, aCssPageRect.y, aCssPageRect.XMost(), aCssPageRect.YMost(),
aLayersUpdated, dp.x, dp.y, dp.width, dp.height, aDisplayResolution.scale,
aIsFirstPaint);
if (jniFrame.CheckForException())
return;
NS_ABORT_IF_FALSE(viewTransformJObj, "No view transform object!");
AndroidViewTransform viewTransform;
viewTransform.Init(viewTransformJObj);
viewTransform.GetFixedLayerMargins(env, aFixedLayerMargins);
aOffset.x = viewTransform.GetOffsetX(env);
aOffset.y = viewTransform.GetOffsetY(env);
}
void
AndroidGeckoLayerClient::SyncFrameMetrics(const gfx::Point& aScrollOffset, float aZoom, const gfx::Rect& aCssPageRect,
bool aLayersUpdated, const gfx::Rect& aDisplayPort, float aDisplayResolution,
bool aIsFirstPaint, gfx::Margin& aFixedLayerMargins, gfx::Point& aOffset)
{
NS_ASSERTION(!isNull(), "SyncFrameMetrics called on null layer client!");
JNIEnv *env = GetJNIForThread(); // this is called on the compositor thread
if (!env)
return;
AutoLocalJNIFrame jniFrame(env);
// convert the displayport rect from scroll-relative CSS pixels to document-relative device pixels
int dpX = NS_lround((aDisplayPort.x * aDisplayResolution) + aScrollOffset.x);
int dpY = NS_lround((aDisplayPort.y * aDisplayResolution) + aScrollOffset.y);
int dpW = NS_lround(aDisplayPort.width * aDisplayResolution);
int dpH = NS_lround(aDisplayPort.height * aDisplayResolution);
jobject viewTransformJObj = env->CallObjectMethod(wrapped_obj, jSyncFrameMetricsMethod,
aScrollOffset.x, aScrollOffset.y, aZoom,
aCssPageRect.x, aCssPageRect.y, aCssPageRect.XMost(), aCssPageRect.YMost(),
aLayersUpdated, dpX, dpY, dpW, dpH, aDisplayResolution,
aIsFirstPaint);
if (jniFrame.CheckForException())
return;
NS_ABORT_IF_FALSE(viewTransformJObj, "No view transform object!");
AndroidViewTransform viewTransform;
viewTransform.Init(viewTransformJObj);
viewTransform.GetFixedLayerMargins(env, aFixedLayerMargins);
aOffset.x = viewTransform.GetOffsetX(env);
aOffset.y = viewTransform.GetOffsetY(env);
}