src/third_party/WebKit/Source/web/ExternalDateTimeChooser.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  * 1.  Redistributions of source code must retain the above copyright
   8  *     notice, this list of conditions and the following disclaimer.
   9  * 2.  Redistributions in binary form must reproduce the above copyright
  10  *     notice, this list of conditions and the following disclaimer in the
  11  *     documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
  14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
  17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  19  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  20  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  23  * SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27 #if !ENABLE(INPUT_MULTIPLE_FIELDS_UI)
  28 #include "web/ExternalDateTimeChooser.h"
  29
  30 #include "core/InputTypeNames.h"
  31 #include "platform/DateTimeChooserClient.h"
  32 #include "public/web/WebDateTimeChooserCompletion.h"
  33 #include "public/web/WebDateTimeChooserParams.h"
  34 #include "public/web/WebViewClient.h"
  35 #include "web/ChromeClientImpl.h"
  36 #include "wtf/text/AtomicString.h"
  37
  38 namespace blink {
  39
  40 class WebDateTimeChooserCompletionImpl : public WebDateTimeChooserCompletion {
  41 public:
  42     WebDateTimeChooserCompletionImpl(ExternalDateTimeChooser* chooser)
  43         : m_chooser(chooser)
  44     {
  45     }
  46
  47 private:
  48     virtual void didChooseValue(const WebString& value) OVERRIDE
  49     {
  50         m_chooser->didChooseValue(value);
  51         delete this;
  52     }
  53
  54     virtual void didChooseValue(double value) OVERRIDE
  55     {
  56         m_chooser->didChooseValue(value);
  57         delete this;
  58     }
  59
  60     virtual void didCancelChooser() OVERRIDE
  61     {
  62         m_chooser->didCancelChooser();
  63         delete this;
  64     }
  65
  66     RefPtrWillBePersistent<ExternalDateTimeChooser> m_chooser;
  67 };
  68
  69 ExternalDateTimeChooser::~ExternalDateTimeChooser()
  70 {
  71 }
  72
  73 ExternalDateTimeChooser::ExternalDateTimeChooser(DateTimeChooserClient* client)
  74     : m_client(client)
  75 {
  76     ASSERT(client);
  77 }
  78
  79 PassRefPtrWillBeRawPtr<ExternalDateTimeChooser> ExternalDateTimeChooser::create(ChromeClientImpl* chromeClient, WebViewClient* webViewClient, DateTimeChooserClient* client, const DateTimeChooserParameters& parameters)
  80 {
  81     ASSERT(chromeClient);
  82     RefPtrWillBeRawPtr<ExternalDateTimeChooser> chooser = adoptRefWillBeNoop(new ExternalDateTimeChooser(client));
  83     if (!chooser->openDateTimeChooser(chromeClient, webViewClient, parameters))
  84         chooser.clear();
  85     return chooser.release();
  86 }
  87
  88
  89 static WebDateTimeInputType toWebDateTimeInputType(const AtomicString& source)
  90 {
  91     if (source == InputTypeNames::date)
  92         return WebDateTimeInputTypeDate;
  93     if (source == InputTypeNames::datetime)
  94         return WebDateTimeInputTypeDateTime;
  95     if (source == InputTypeNames::datetime_local)
  96         return WebDateTimeInputTypeDateTimeLocal;
  97     if (source == InputTypeNames::month)
  98         return WebDateTimeInputTypeMonth;
  99     if (source == InputTypeNames::time)
 100         return WebDateTimeInputTypeTime;
 101     if (source == InputTypeNames::week)
 102         return WebDateTimeInputTypeWeek;
 103     return WebDateTimeInputTypeNone;
 104 }
 105
 106 bool ExternalDateTimeChooser::openDateTimeChooser(ChromeClientImpl* chromeClient, WebViewClient* webViewClient, const DateTimeChooserParameters& parameters)
 107 {
 108     if (!webViewClient)
 109         return false;
 110
 111     WebDateTimeChooserParams webParams;
 112     webParams.type = toWebDateTimeInputType(parameters.type);
 113     webParams.anchorRectInScreen = chromeClient->rootViewToScreen(parameters.anchorRectInRootView);
 114     webParams.currentValue = parameters.currentValue;
 115     webParams.doubleValue = parameters.doubleValue;
 116     webParams.suggestions = parameters.suggestions;
 117     webParams.minimum = parameters.minimum;
 118     webParams.maximum = parameters.maximum;
 119     webParams.step = parameters.step;
 120     webParams.stepBase = parameters.stepBase;
 121     webParams.isRequired = parameters.required;
 122     webParams.isAnchorElementRTL = parameters.isAnchorElementRTL;
 123
 124     WebDateTimeChooserCompletion* completion = new WebDateTimeChooserCompletionImpl(this);
 125     if (webViewClient->openDateTimeChooser(webParams, completion))
 126         return true;
 127     // We can't open a chooser. Calling
 128     // WebDateTimeChooserCompletionImpl::didCancelChooser to delete the
 129     // WebDateTimeChooserCompletionImpl object and deref this.
 130     completion->didCancelChooser();
 131     return false;
 132 }
 133
 134 void ExternalDateTimeChooser::didChooseValue(const WebString& value)
 135 {
 136     if (m_client)
 137         m_client->didChooseValue(value);
 138     // didChooseValue might run JavaScript code, and endChooser() might be
 139     // called. However DateTimeChooserCompletionImpl still has one reference to
 140     // this object.
 141     if (m_client)
 142         m_client->didEndChooser();
 143 }
 144
 145 void ExternalDateTimeChooser::didChooseValue(double value)
 146 {
 147     if (m_client)
 148         m_client->didChooseValue(value);
 149     // didChooseValue might run JavaScript code, and endChooser() might be
 150     // called. However DateTimeChooserCompletionImpl still has one reference to
 151     // this object.
 152     if (m_client)
 153         m_client->didEndChooser();
 154 }
 155
 156 void ExternalDateTimeChooser::didCancelChooser()
 157 {
 158     if (m_client)
 159         m_client->didEndChooser();
 160 }
 161
 162 void ExternalDateTimeChooser::endChooser()
 163 {
 164     DateTimeChooserClient* client = m_client;
 165     m_client = 0;
 166     client->didEndChooser();
 167 }
 168
 169 } // namespace blink
 170
 171 #endif