third_party/WebKit/Source/web/ColorChooserUIController.cpp

   1 /*
   2  * Copyright (C) 2012 Google Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  * 1.  Redistributions of source code must retain the above copyright
   9  *     notice, this list of conditions and the following disclaimer.
  10  * 2.  Redistributions in binary form must reproduce the above copyright
  11  *     notice, this list of conditions and the following disclaimer in the
  12  *     documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  17  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  21  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27 #include "web/ColorChooserUIController.h"
  28
  29 #include "core/html/forms/ColorChooserClient.h"
  30 #include "platform/graphics/Color.h"
  31 #include "public/platform/WebColor.h"
  32 #include "public/web/WebColorChooser.h"
  33 #include "public/web/WebColorSuggestion.h"
  34 #include "public/web/WebFrameClient.h"
  35 #include "web/WebLocalFrameImpl.h"
  36
  37 namespace blink {
  38
  39
  40 ColorChooserUIController::ColorChooserUIController(LocalFrame* frame, ColorChooserClient* client)
  41     : m_client(client)
  42     , m_frame(frame)
  43 {
  44 }
  45
  46 ColorChooserUIController::~ColorChooserUIController()
  47 {
  48     // The client cannot be accessed when finalizing.
  49     m_client = nullptr;
  50     endChooser();
  51 }
  52
  53 DEFINE_TRACE(ColorChooserUIController)
  54 {
  55     visitor->trace(m_frame);
  56     visitor->trace(m_client);
  57     ColorChooser::trace(visitor);
  58 }
  59
  60 void ColorChooserUIController::openUI()
  61 {
  62     openColorChooser();
  63 }
  64
  65 void ColorChooserUIController::setSelectedColor(const Color& color)
  66 {
  67     if (m_chooser)
  68         m_chooser->setSelectedColor(static_cast<WebColor>(color.rgb()));
  69 }
  70
  71 void ColorChooserUIController::endChooser()
  72 {
  73     if (m_chooser)
  74         m_chooser->endChooser();
  75 }
  76
  77 AXObject* ColorChooserUIController::rootAXObject()
  78 {
  79     return 0;
  80 }
  81
  82 void ColorChooserUIController::didChooseColor(const WebColor& color)
  83 {
  84     ASSERT(m_client);
  85     m_client->didChooseColor(Color(static_cast<RGBA32>(color)));
  86 }
  87
  88 void ColorChooserUIController::didEndChooser()
  89 {
  90     m_chooser = nullptr;
  91     if (m_client)
  92         m_client->didEndChooser();
  93 }
  94
  95 void ColorChooserUIController::openColorChooser()
  96 {
  97     ASSERT(!m_chooser);
  98     WebLocalFrameImpl* frame = WebLocalFrameImpl::fromFrame(m_frame);
  99     WebFrameClient* webFrameClient = frame->client();
 100     if (!webFrameClient)
 101         return;
 102     m_chooser = adoptPtr(webFrameClient->createColorChooser(
 103         this, static_cast<WebColor>(m_client->currentColor().rgb()), m_client->suggestions()));
 104 }
 105
 106 } // namespace blink