weex_core/Source/core/render/node/render_appbar.cpp

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 <utility>

#include "base/ViewUtils.h"
#include "core/config/core_environment.h"
#include "core/css/constants_name.h"
#include "core/render/node/render_appbar.h"

namespace WeexCore {

std::map<std::string, std::string> *RenderAppBar::GetDefaultStyle() {
  this->default_nav_width_ = getFloat(
      WXCoreEnvironment::getInstance()->GetOption("defaultNavWidth").c_str());

  this->default_overflow_width_ =
      getFloat(WXCoreEnvironment::getInstance()
                   ->GetOption("defaultOverflowWidth")
                   .c_str());

  std::string appbar_color =
      WXCoreEnvironment::getInstance()->GetOption("appbar_color");
  std::string appbar_background_color =
      WXCoreEnvironment::getInstance()->GetOption("appbar_background_color");

  std::map<std::string, std::string> *style =
      new std::map<std::string, std::string>();
  style->insert(std::pair<std::string, std::string>(PADDING_LEFT, "0"));
  style->insert(std::pair<std::string, std::string>(PADDING_RIGHT, "0"));

  if (!appbar_color.empty() && appbar_color != "" && !StyleExist(COLOR))
    style->insert(std::pair<std::string, std::string>(COLOR, appbar_color));
  if (!appbar_background_color.empty() && appbar_background_color != "" &&
      !StyleExist(BACKGROUND_COLOR))
    style->insert(std::pair<std::string, std::string>(BACKGROUND_COLOR,
                                                      appbar_background_color));
  return style;
}

bool RenderAppBar::StyleExist(const std::string &key) {
  std::string value = GetStyle(key);
  return !value.empty() && value != "";
}

StyleType RenderAppBar::ApplyStyle(const std::string &key,
                                   const std::string &value,
                                   const bool updating) {
  if (key == PADDING) {
    UpdateStyleInternal(key, value, 0, [=](float foo) {
      setPadding(kPaddingLeft, foo + this->default_nav_width_),
          setPadding(kPaddingRight, foo + this->default_overflow_width_),
          setPadding(kPaddingTop, foo), setPadding(kPaddingBottom, foo);
    });
    return kTypePadding;
  } else if (key == PADDING_LEFT) {
    UpdateStyleInternal(key, value, 0, [=](float foo) {
      setPadding(kPaddingLeft, foo + this->default_nav_width_);
    });
    return kTypePadding;
  } else if (key == PADDING_RIGHT) {
    UpdateStyleInternal(key, value, 0, [=](float foo) {
      setPadding(kPaddingRight, foo + this->default_overflow_width_);
    });
    return kTypePadding;
  } else {
    return RenderObject::ApplyStyle(key, value, updating);
  }
}
}  // namespace WeexCore