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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "LayerProtoHelper.h"
namespace android {
namespace surfaceflinger {
void LayerProtoHelper::writePositionToProto(const float x, const float y,
std::function<PositionProto*()> getPositionProto) {
if (x != 0 || y != 0) {
// Use a lambda do avoid writing the object header when the object is empty
PositionProto* position = getPositionProto();
position->set_x(x);
position->set_y(y);
}
}
void LayerProtoHelper::writeSizeToProto(const uint32_t w, const uint32_t h,
std::function<SizeProto*()> getSizeProto) {
if (w != 0 || h != 0) {
// Use a lambda do avoid writing the object header when the object is empty
SizeProto* size = getSizeProto();
size->set_w(w);
size->set_h(h);
}
}
void LayerProtoHelper::writeToProto(const Region& region,
std::function<RegionProto*()> getRegionProto) {
if (region.isEmpty()) {
return;
}
Region::const_iterator head = region.begin();
Region::const_iterator const tail = region.end();
// Use a lambda do avoid writing the object header when the object is empty
RegionProto* regionProto = getRegionProto();
while (head != tail) {
std::function<RectProto*()> getProtoRect = [&]() { return regionProto->add_rect(); };
writeToProto(*head, getProtoRect);
head++;
}
}
void LayerProtoHelper::writeToProto(const Rect& rect, std::function<RectProto*()> getRectProto) {
if (rect.left != 0 || rect.right != 0 || rect.top != 0 || rect.bottom != 0) {
// Use a lambda do avoid writing the object header when the object is empty
RectProto* rectProto = getRectProto();
rectProto->set_left(rect.left);
rectProto->set_top(rect.top);
rectProto->set_bottom(rect.bottom);
rectProto->set_right(rect.right);
}
}
void LayerProtoHelper::writeToProto(const FloatRect& rect,
std::function<FloatRectProto*()> getFloatRectProto) {
if (rect.left != 0 || rect.right != 0 || rect.top != 0 || rect.bottom != 0) {
// Use a lambda do avoid writing the object header when the object is empty
FloatRectProto* rectProto = getFloatRectProto();
rectProto->set_left(rect.left);
rectProto->set_top(rect.top);
rectProto->set_bottom(rect.bottom);
rectProto->set_right(rect.right);
}
}
void LayerProtoHelper::writeToProto(const half4 color, std::function<ColorProto*()> getColorProto) {
if (color.r != 0 || color.g != 0 || color.b != 0 || color.a != 0) {
// Use a lambda do avoid writing the object header when the object is empty
ColorProto* colorProto = getColorProto();
colorProto->set_r(color.r);
colorProto->set_g(color.g);
colorProto->set_b(color.b);
colorProto->set_a(color.a);
}
}
void LayerProtoHelper::writeToProto(const ui::Transform& transform,
TransformProto* transformProto) {
const uint32_t type = transform.getType() | (transform.getOrientation() << 8);
transformProto->set_type(type);
// Rotations that are 90/180/270 have their own type so the transform matrix can be
// reconstructed later. All other rotation have the type UKNOWN so we need to save the transform
// values in that case.
if (type & (ui::Transform::SCALE | ui::Transform::UNKNOWN)) {
transformProto->set_dsdx(transform[0][0]);
transformProto->set_dtdx(transform[0][1]);
transformProto->set_dsdy(transform[1][0]);
transformProto->set_dtdy(transform[1][1]);
}
}
void LayerProtoHelper::writeToProto(const sp<GraphicBuffer>& buffer,
std::function<ActiveBufferProto*()> getActiveBufferProto) {
if (buffer->getWidth() != 0 || buffer->getHeight() != 0 || buffer->getStride() != 0 ||
buffer->format != 0) {
// Use a lambda do avoid writing the object header when the object is empty
ActiveBufferProto* activeBufferProto = getActiveBufferProto();
activeBufferProto->set_width(buffer->getWidth());
activeBufferProto->set_height(buffer->getHeight());
activeBufferProto->set_stride(buffer->getStride());
activeBufferProto->set_format(buffer->format);
}
}
void LayerProtoHelper::writeToProto(
const InputWindowInfo& inputInfo, const wp<Layer>& touchableRegionBounds,
std::function<InputWindowInfoProto*()> getInputWindowInfoProto) {
if (inputInfo.token == nullptr) {
return;
}
InputWindowInfoProto* proto = getInputWindowInfoProto();
proto->set_layout_params_flags(inputInfo.layoutParamsFlags);
proto->set_layout_params_type(inputInfo.layoutParamsType);
LayerProtoHelper::writeToProto({inputInfo.frameLeft, inputInfo.frameTop, inputInfo.frameRight,
inputInfo.frameBottom},
[&]() { return proto->mutable_frame(); });
LayerProtoHelper::writeToProto(inputInfo.touchableRegion,
[&]() { return proto->mutable_touchable_region(); });
proto->set_surface_inset(inputInfo.surfaceInset);
proto->set_visible(inputInfo.visible);
proto->set_can_receive_keys(inputInfo.canReceiveKeys);
proto->set_has_focus(inputInfo.hasFocus);
proto->set_has_wallpaper(inputInfo.hasWallpaper);
proto->set_global_scale_factor(inputInfo.globalScaleFactor);
proto->set_window_x_scale(inputInfo.windowXScale);
proto->set_window_y_scale(inputInfo.windowYScale);
proto->set_replace_touchable_region_with_crop(inputInfo.replaceTouchableRegionWithCrop);
auto cropLayer = touchableRegionBounds.promote();
if (cropLayer != nullptr) {
proto->set_crop_layer_id(cropLayer->sequence);
LayerProtoHelper::writeToProto(cropLayer->getScreenBounds(
false /* reduceTransparentRegion */),
[&]() { return proto->mutable_touchable_region_crop(); });
}
}
} // namespace surfaceflinger
} // namespace android
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