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      1 /*
      2  * Copyright (C) 2011 Apple 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''
     14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
     17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     23  * THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "WebIconDatabaseProxy.h"
     28 
     29 #include "DataReference.h"
     30 #include "MessageID.h"
     31 #include "WebIconDatabaseMessages.h"
     32 #include "WebProcess.h"
     33 #include <WebCore/SharedBuffer.h>
     34 #include <wtf/text/WTFString.h>
     35 
     36 using namespace WebCore;
     37 
     38 namespace WebKit {
     39 
     40 WebIconDatabaseProxy::~WebIconDatabaseProxy()
     41 {
     42 }
     43 
     44 WebIconDatabaseProxy::WebIconDatabaseProxy(WebProcess* process)
     45     : m_isEnabled(false)
     46     , m_process(process)
     47 {
     48 }
     49 
     50 bool WebIconDatabaseProxy::isEnabled() const
     51 {
     52     return m_isEnabled;
     53 }
     54 
     55 void WebIconDatabaseProxy::setEnabled(bool enabled)
     56 {
     57     if (enabled == m_isEnabled)
     58         return;
     59 
     60     m_isEnabled = enabled;
     61     setGlobalIconDatabase(enabled ? this : 0);
     62 }
     63 
     64 
     65 void WebIconDatabaseProxy::retainIconForPageURL(const String& pageURL)
     66 {
     67     m_process->connection()->send(Messages::WebIconDatabase::RetainIconForPageURL(pageURL), 0);
     68 }
     69 
     70 void WebIconDatabaseProxy::releaseIconForPageURL(const String& pageURL)
     71 {
     72     m_process->connection()->send(Messages::WebIconDatabase::ReleaseIconForPageURL(pageURL), 0);
     73 }
     74 
     75 Image* WebIconDatabaseProxy::synchronousIconForPageURL(const String& pageURL, const IntSize& size)
     76 {
     77     CoreIPC::DataReference result;
     78     if (!m_process->connection()->sendSync(Messages::WebIconDatabase::SynchronousIconDataForPageURL(pageURL), Messages::WebIconDatabase::SynchronousIconDataForPageURL::Reply(result), 0))
     79         return 0;
     80 
     81     // FIXME: Return Image created with the above data.
     82     return 0;
     83 }
     84 
     85 
     86 String WebIconDatabaseProxy::synchronousIconURLForPageURL(const String& pageURL)
     87 {
     88     // FIXME: This needs to ask the UI process for the iconURL, but it can't do so synchronously because it will slow down page loading.
     89     // The parts in WebCore that need this data will have to be changed to work asycnchronously.
     90     return String();
     91 }
     92 
     93 bool WebIconDatabaseProxy::synchronousIconDataKnownForIconURL(const String& iconURL)
     94 {
     95     // FIXME: This needs to ask the UI process for the iconURL, but it can't do so synchronously because it will slow down page loading.
     96     // The parts in WebCore that need this data will have to be changed to work asycnchronously.
     97     return false;
     98 }
     99 
    100 IconLoadDecision WebIconDatabaseProxy::synchronousLoadDecisionForIconURL(const String& iconURL, DocumentLoader* documentLoader)
    101 {
    102     // FIXME: This needs to ask the UI process for the iconURL, but it can't do so synchronously because it will slow down page loading.
    103     // The parts in WebCore that need this data will have to be changed to work asycnchronously.
    104     return IconLoadNo;
    105 }
    106 
    107 bool WebIconDatabaseProxy::supportsAsynchronousMode()
    108 {
    109     return true;
    110 }
    111 
    112 void WebIconDatabaseProxy::loadDecisionForIconURL(const String& iconURL, PassRefPtr<WebCore::IconLoadDecisionCallback> callback)
    113 {
    114     uint64_t id = callback->callbackID();
    115     m_iconLoadDecisionCallbacks.add(id, callback);
    116 
    117     m_process->connection()->send(Messages::WebIconDatabase::GetLoadDecisionForIconURL(iconURL, id), 0);
    118 }
    119 
    120 void WebIconDatabaseProxy::receivedIconLoadDecision(int decision, uint64_t callbackID)
    121 {
    122     RefPtr<WebCore::IconLoadDecisionCallback> callback = m_iconLoadDecisionCallbacks.take(callbackID);
    123     if (callback)
    124         callback->performCallback(static_cast<WebCore::IconLoadDecision>(decision));
    125 }
    126 
    127 void WebIconDatabaseProxy::iconDataForIconURL(const String& iconURL, PassRefPtr<WebCore::IconDataCallback> callback)
    128 {
    129 }
    130 
    131 void WebIconDatabaseProxy::setIconURLForPageURL(const String& iconURL, const String& pageURL)
    132 {
    133     m_process->connection()->send(Messages::WebIconDatabase::SetIconURLForPageURL(iconURL, pageURL), 0);
    134 }
    135 
    136 void WebIconDatabaseProxy::setIconDataForIconURL(PassRefPtr<SharedBuffer> iconData, const String& iconURL)
    137 {
    138     CoreIPC::DataReference data(reinterpret_cast<const uint8_t*>(iconData ? iconData->data() : 0), iconData ? iconData->size() : 0);
    139     m_process->connection()->send(Messages::WebIconDatabase::SetIconDataForIconURL(data, iconURL), 0);
    140 }
    141 
    142 void WebIconDatabaseProxy::urlImportFinished()
    143 {
    144 }
    145 
    146 void WebIconDatabaseProxy::didReceiveMessage(CoreIPC::Connection* connection, CoreIPC::MessageID messageID, CoreIPC::ArgumentDecoder* arguments)
    147 {
    148     didReceiveWebIconDatabaseProxyMessage(connection, messageID, arguments);
    149 }
    150 
    151 } // namespace WebKit
    152