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