Refactor viewport initialization logic out of WebViewImpl.

Source/core/page/Settings.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2011, 2012 Apple 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
@@ skipping 15 matching lines @@
 #include "config.h"
 #include "core/page/Settings.h"
 
 #include <limits>
 #include "core/dom/Document.h"
 #include "core/history/BackForwardController.h"
 #include "core/history/HistoryItem.h"
 #include "core/html/HTMLMediaElement.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/loader/cache/CachedResourceLoader.h"
+#include "core/page/Chrome.h"
 #include "core/page/Frame.h"
 #include "core/page/FrameTree.h"
 #include "core/page/FrameView.h"
 #include "core/page/Page.h"
 #include "core/platform/network/ResourceHandle.h"
 #include "core/rendering/TextAutosizer.h"
 #include "modules/webdatabase/Database.h"
 
 using namespace std;
 
@@ skipping 76 matching lines @@
 Settings::Settings(Page* page)
     : m_page(0)
     , m_mediaTypeOverride("screen")
     , m_textAutosizingFontScaleFactor(1)
 #if HACK_FORCE_TEXT_AUTOSIZING_ON_DESKTOP
     , m_textAutosizingWindowSizeOverride(320, 480)
     , m_textAutosizingEnabled(true)
 #else
     , m_textAutosizingEnabled(false)
 #endif
+    , m_useWideViewport(true)
+    , m_loadWithOverviewMode(true)
     SETTINGS_INITIALIZER_LIST
     , m_isJavaEnabled(false)
     , m_loadsImagesAutomatically(false)
     , m_areImagesEnabled(true)
     , m_arePluginsEnabled(false)
     , m_isScriptEnabled(false)
     , m_fontRenderingMode(0)
     , m_isCSSCustomFilterEnabled(false)
     , m_cssStickyPositionEnabled(true)
     , m_cssVariablesEnabled(false)
@@ skipping 101 matching lines @@
 
 void Settings::setTextAutosizingWindowSizeOverride(const IntSize& textAutosizingWindowSizeOverride)
 {
     if (m_textAutosizingWindowSizeOverride == textAutosizingWindowSizeOverride)
         return;
 
     m_textAutosizingWindowSizeOverride = textAutosizingWindowSizeOverride;
     m_page->setNeedsRecalcStyleInAllFrames();
 }
 
+void Settings::setUseWideViewport(bool useWideViewport)
+{
+    if (m_useWideViewport == useWideViewport)
+        return;
+
+    m_useWideViewport = useWideViewport;
+    if (m_page->chrome() && m_page->mainFrame())
+        m_page->chrome()->dispatchViewportPropertiesDidChange(m_page->mainFrame()->document()->viewportArguments());
+}
+
+void Settings::setLoadWithOverviewMode(bool loadWithOverviewMode)
+{
+    if (m_loadWithOverviewMode == loadWithOverviewMode)
+        return;
+
+    m_loadWithOverviewMode = loadWithOverviewMode;
+    if (m_page->chrome() && m_page->mainFrame())
+        m_page->chrome()->dispatchViewportPropertiesDidChange(m_page->mainFrame()->document()->viewportArguments());
+}
+
 void Settings::setTextAutosizingFontScaleFactor(float fontScaleFactor)
 {
     m_textAutosizingFontScaleFactor = fontScaleFactor;
 
     // FIXME: I wonder if this needs to traverse frames like in WebViewImpl::resize, or whether there is only one document per Settings instance?
     for (Frame* frame = m_page->mainFrame(); frame; frame = frame->tree()->traverseNext())
         frame->document()->textAutosizer()->recalculateMultipliers();
 
     m_page->setNeedsRecalcStyleInAllFrames();
 }
@@ skipping 117 matching lines @@
     m_openGLMultisamplingEnabled = flag;
     m_page->multisamplingChanged();
 }
 
 bool Settings::openGLMultisamplingEnabled()
 {
     return m_openGLMultisamplingEnabled;
 }
 
 } // namespace WebCore