contact-card-layouter.cpp
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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd.
*
* 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.
*
*/
// CLASS HEADER
#include "contact-card-layouter.h"
// INTERNAL INCLUDES
#include "contact-card.h"
using namespace Dali;
namespace
{
const float DEFAULT_PADDING = 25.0f;
const float MINIMUM_ITEMS_PER_ROW_OR_COLUMN(3.0f);
const float HEADER_HEIGHT_TO_UNFOLDED_SIZE_RATIO(0.1f);
const Vector2 HEADER_FOLDED_POSITION_AS_RATIO_OF_SIZE(-0.05f, -1.5f);
const Vector2 HEADER_UNFOLDED_POSITION(Vector2::ZERO);
const float IMAGE_SIZE_AS_RATIO_TO_FOLDED_SIZE(0.5f);
const Vector2 IMAGE_FOLDED_POSITION_AS_RATIO_OF_SIZE(0.5f, 0.25f);
const float FOLDED_TEXT_POSITION_AS_RATIO_OF_IMAGE_SIZE(1.01f);
} // unnamed namespace
ContactCardLayouter::ContactCardLayouter()
: mContactCardLayoutInfo(),
mContactCards(),
mLastPosition(),
mPositionIncrementer(),
mItemsPerRow(0),
mInitialized(false)
{
}
ContactCardLayouter::~ContactCardLayouter()
{
// Nothing to do as ContactCardContainer uses intrusive pointers so they will be automatically deleted
}
void ContactCardLayouter::AddContact(Dali::Window window, const std::string& contactName, const std::string& contactAddress, const std::string& imagePath)
{
if(!mInitialized)
{
// Set up the common layouting info shared between all contact cards when first called
mContactCardLayoutInfo.unfoldedPosition = mContactCardLayoutInfo.padding = Vector2(DEFAULT_PADDING, DEFAULT_PADDING);
mContactCardLayoutInfo.unfoldedSize = Vector2(window.GetSize()) - mContactCardLayoutInfo.padding * (MINIMUM_ITEMS_PER_ROW_OR_COLUMN - 1.0f);
// Calculate the size of the folded card (use the minimum of width/height as size)
mContactCardLayoutInfo.foldedSize = (mContactCardLayoutInfo.unfoldedSize - (mContactCardLayoutInfo.padding * (MINIMUM_ITEMS_PER_ROW_OR_COLUMN - 1.0f))) / MINIMUM_ITEMS_PER_ROW_OR_COLUMN;
mContactCardLayoutInfo.foldedSize.width = mContactCardLayoutInfo.foldedSize.height = std::min(mContactCardLayoutInfo.foldedSize.width, mContactCardLayoutInfo.foldedSize.height);
// Set the size and positions of the header
mContactCardLayoutInfo.headerSize.width = mContactCardLayoutInfo.unfoldedSize.width;
mContactCardLayoutInfo.headerSize.height = mContactCardLayoutInfo.unfoldedSize.height * HEADER_HEIGHT_TO_UNFOLDED_SIZE_RATIO;
mContactCardLayoutInfo.headerFoldedPosition = mContactCardLayoutInfo.headerSize * HEADER_FOLDED_POSITION_AS_RATIO_OF_SIZE;
mContactCardLayoutInfo.headerUnfoldedPosition = HEADER_UNFOLDED_POSITION;
// Set the image size and positions
mContactCardLayoutInfo.imageSize = mContactCardLayoutInfo.foldedSize * IMAGE_SIZE_AS_RATIO_TO_FOLDED_SIZE;
mContactCardLayoutInfo.imageFoldedPosition = mContactCardLayoutInfo.imageSize * IMAGE_FOLDED_POSITION_AS_RATIO_OF_SIZE;
mContactCardLayoutInfo.imageUnfoldedPosition.x = mContactCardLayoutInfo.padding.width;
mContactCardLayoutInfo.imageUnfoldedPosition.y = mContactCardLayoutInfo.headerSize.height + mContactCardLayoutInfo.padding.height;
// Set the positions of the contact name
mContactCardLayoutInfo.textFoldedPosition.x = 0.0f;
mContactCardLayoutInfo.textFoldedPosition.y = mContactCardLayoutInfo.imageFoldedPosition.x + mContactCardLayoutInfo.imageSize.height * FOLDED_TEXT_POSITION_AS_RATIO_OF_IMAGE_SIZE;
mContactCardLayoutInfo.textUnfoldedPosition.x = mContactCardLayoutInfo.padding.width;
mContactCardLayoutInfo.textUnfoldedPosition.y = mContactCardLayoutInfo.imageUnfoldedPosition.y + mContactCardLayoutInfo.imageSize.height + mContactCardLayoutInfo.padding.height;
// Figure out the positions of the contact cards
mItemsPerRow = (mContactCardLayoutInfo.unfoldedSize.width + mContactCardLayoutInfo.padding.width) / (mContactCardLayoutInfo.foldedSize.width + mContactCardLayoutInfo.padding.width);
mLastPosition = mContactCardLayoutInfo.unfoldedPosition;
mPositionIncrementer.x = mContactCardLayoutInfo.foldedSize.width + mContactCardLayoutInfo.padding.width;
mPositionIncrementer.y = mContactCardLayoutInfo.foldedSize.height + mContactCardLayoutInfo.padding.height;
mInitialized = true;
}
// Create a new contact card and add to our container
mContactCards.push_back(new ContactCard(window, mContactCardLayoutInfo, contactName, contactAddress, imagePath, NextCardPosition()));
}
const Vector2& ContactCardLayouter::NextCardPosition()
{
size_t currentNumOfCards = mContactCards.size();
if(currentNumOfCards)
{
if(currentNumOfCards % mItemsPerRow)
{
mLastPosition.x += mPositionIncrementer.x;
}
else // go to the next row
{
mLastPosition.x = mContactCardLayoutInfo.unfoldedPosition.x;
mLastPosition.y += mPositionIncrementer.y;
}
}
return mLastPosition;
}