third_party/WebKit/Source/core/frame/Settings.cpp

   1 /*
   2  * Copyright (C) 2006, 2007, 2008, 2009, 2011, 2012 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 COMPUTER, INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27 #include "core/frame/Settings.h"
  28
  29 #include "platform/RuntimeEnabledFeatures.h"
  30 #include "platform/scroll/ScrollbarTheme.h"
  31
  32 namespace blink {
  33
  34 // NOTEs
  35 //  1) EditingMacBehavior comprises builds on Mac;
  36 //  2) EditingWindowsBehavior comprises builds on Windows;
  37 //  3) EditingUnixBehavior comprises all unix-based systems, but Darwin/MacOS/Android (and then abusing the terminology);
  38 //  4) EditingAndroidBehavior comprises Android builds.
  39 // 99) MacEditingBehavior is used a fallback.
  40 static EditingBehaviorType editingBehaviorTypeForPlatform()
  41 {
  42     return
  43 #if OS(MACOSX)
  44     EditingMacBehavior
  45 #elif OS(WIN)
  46     EditingWindowsBehavior
  47 #elif OS(ANDROID)
  48     EditingAndroidBehavior
  49 #else // Rest of the UNIX-like systems
  50     EditingUnixBehavior
  51 #endif
  52     ;
  53 }
  54
  55 #if OS(WIN)
  56 static const bool defaultSelectTrailingWhitespaceEnabled = true;
  57 #else
  58 static const bool defaultSelectTrailingWhitespaceEnabled = false;
  59 #endif
  60
  61 Settings::Settings()
  62     : m_openGLMultisamplingEnabled(false)
  63 #if DEBUG_TEXT_AUTOSIZING_ON_DESKTOP
  64     , m_textAutosizingWindowSizeOverride(320, 480)
  65     , m_textAutosizingEnabled(true)
  66 #else
  67     , m_textAutosizingEnabled(false)
  68 #endif
  69     SETTINGS_INITIALIZER_LIST
  70 {
  71 }
  72
  73 PassOwnPtr<Settings> Settings::create()
  74 {
  75     return adoptPtr(new Settings);
  76 }
  77
  78 SETTINGS_SETTER_BODIES
  79
  80 void Settings::setDelegate(SettingsDelegate* delegate)
  81 {
  82     m_delegate = delegate;
  83 }
  84
  85 void Settings::invalidate(SettingsDelegate::ChangeType changeType)
  86 {
  87     if (m_delegate)
  88         m_delegate->settingsChanged(changeType);
  89 }
  90
  91 void Settings::setTextAutosizingEnabled(bool textAutosizingEnabled)
  92 {
  93     if (m_textAutosizingEnabled == textAutosizingEnabled)
  94         return;
  95
  96     m_textAutosizingEnabled = textAutosizingEnabled;
  97     invalidate(SettingsDelegate::TextAutosizingChange);
  98 }
  99
 100 // FIXME: Move to Settings.in once make_settings can understand IntSize.
 101 void Settings::setTextAutosizingWindowSizeOverride(const IntSize& textAutosizingWindowSizeOverride)
 102 {
 103     if (m_textAutosizingWindowSizeOverride == textAutosizingWindowSizeOverride)
 104         return;
 105
 106     m_textAutosizingWindowSizeOverride = textAutosizingWindowSizeOverride;
 107     invalidate(SettingsDelegate::TextAutosizingChange);
 108 }
 109
 110 void Settings::setMockScrollbarsEnabled(bool flag)
 111 {
 112     ScrollbarTheme::setMockScrollbarsEnabled(flag);
 113 }
 114
 115 bool Settings::mockScrollbarsEnabled()
 116 {
 117     return ScrollbarTheme::mockScrollbarsEnabled();
 118 }
 119
 120 void Settings::setOpenGLMultisamplingEnabled(bool flag)
 121 {
 122     if (m_openGLMultisamplingEnabled == flag)
 123         return;
 124
 125     m_openGLMultisamplingEnabled = flag;
 126     invalidate(SettingsDelegate::MultisamplingChange);
 127 }
 128
 129 } // namespace blink