text: /*
   * Copyright (C) 2012 Google Inc. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1.  Redistributions of source code must retain the above copyright
   *     notice, this list of conditions and the following disclaimer.
   * 2.  Redistributions in binary form must reproduce the above copyright
   *     notice, this list of conditions and the following disclaimer in the
   *     documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
   * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
   * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include "core/html/forms/ColorChooserUIController.h"
  
  #include "core/frame/WebLocalFrameBase.h"
  #include "core/html/forms/ColorChooserClient.h"
  #include "platform/graphics/Color.h"
  #include "platform/wtf/PtrUtil.h"
  #include "public/platform/WebColor.h"
  #include "public/web/WebColorChooser.h"
  #include "public/web/WebColorSuggestion.h"
  #include "public/web/WebFrameClient.h"
  
  namespace blink {
  
  ColorChooserUIController::ColorChooserUIController(LocalFrame* frame,
                                                     ColorChooserClient* client)
      : client_(client), frame_(frame) {}
  
  ColorChooserUIController::~ColorChooserUIController() {
    // The client cannot be accessed when finalizing.
    client_ = nullptr;
    EndChooser();
  }
  
  DEFINE_TRACE(ColorChooserUIController) {
    visitor->Trace(frame_);
    visitor->Trace(client_);
    ColorChooser::Trace(visitor);
  }
  
  void ColorChooserUIController::OpenUI() {
    OpenColorChooser();
  }
  
  void ColorChooserUIController::SetSelectedColor(const Color& color) {
    if (chooser_)
      chooser_->SetSelectedColor(static_cast<WebColor>(color.Rgb()));
  }
  
  void ColorChooserUIController::EndChooser() {
    if (chooser_)
      chooser_->EndChooser();
  }
  
  AXObject* ColorChooserUIController::RootAXObject() {
    return 0;
  }
  
  void ColorChooserUIController::DidChooseColor(const WebColor& color) {
    DCHECK(client_);
    client_->DidChooseColor(Color(static_cast<RGBA32>(color)));
  }
  
  void ColorChooserUIController::DidEndChooser() {
    chooser_ = nullptr;
    if (client_)
      client_->DidEndChooser();
  }
  
  void ColorChooserUIController::OpenColorChooser() {
    DCHECK(!chooser_);
    WebLocalFrameBase* frame = WebLocalFrameBase::FromFrame(frame_);
    WebFrameClient* web_frame_client = frame->Client();
    if (!web_frame_client)
      return;
    chooser_ = WTF::WrapUnique(web_frame_client->CreateColorChooser(
        this, static_cast<WebColor>(client_->CurrentColor().Rgb()),
        client_->Suggestions()));
  }
  
  }  // namespace blink
  