Merge branch 'master' of scm.dev.nokia.troll.no:qt/oslo-staging-2

3 files changed, 130 insertions, 59 deletions

diff --git a/src/gui/styles/qs60style.cpp b/src/gui/styles/qs60style.cpp
index 6fb3689..087907f 100644
--- a/src/gui/styles/qs60style.cpp
+++ b/src/gui/styles/qs60style.cpp
@@ -405,13 +405,14 @@ void QS60StylePrivate::clearCaches(CacheClearReason reason)
         QPixmapCache::clear();
         break;
     case CC_ThemeChange:
-        m_colorCache.clear();
         QPixmapCache::clear();
+#ifdef Q_WS_S60
+        deleteStoredSettings();
+#endif
         deleteBackground();
         break;
     case CC_UndefinedChange:
     default:
-        m_colorCache.clear();
         m_mappedFontsCache.clear();
         QPixmapCache::clear();
         deleteBackground();
@@ -419,64 +420,53 @@ void QS60StylePrivate::clearCaches(CacheClearReason reason)
     }
 }
 
-// Since S60Style has 'button' and 'tooltip' as a graphic, we don't have any native color which to use
-// for QPalette::Button and QPalette::ToolTipBase. Therefore S60Style needs to guesstimate
-// palette colors by calculating average rgb values for button pixels.
-// Returns Qt::black if there is an issue with the graphics (image is NULL, or no bits() found).
-QColor QS60StylePrivate::colorFromFrameGraphics(SkinFrameElements frame) const
+QColor QS60StylePrivate::calculatedColor(SkinFrameElements frame) const
 {
-    const bool cachedColorExists = m_colorCache.contains(frame);
-    if (!cachedColorExists) {
-        const int frameCornerWidth = pixelMetric(PM_FrameCornerWidth);
-        const int frameCornerHeight = pixelMetric(PM_FrameCornerHeight);
-        Q_ASSERT(2 * frameCornerWidth < 32);
-        Q_ASSERT(2 * frameCornerHeight < 32);
-
-        const QImage frameImage = QS60StylePrivate::frame(frame, QSize(32, 32)).toImage();
-        Q_ASSERT(frameImage.bytesPerLine() > 0);
-        if (frameImage.isNull())
-            return Qt::black;
-
-        const QRgb *pixelRgb = (const QRgb*)frameImage.bits();
-        const int pixels = frameImage.byteCount()/sizeof(QRgb);
-
-        int estimatedRed = 0;
-        int estimatedGreen = 0;
-        int estimatedBlue = 0;
-
-        int skips = 0;
-        int estimations = 0;
-
-        const int topBorderLastPixel = frameCornerHeight*frameImage.width() - 1;
-        const int bottomBorderFirstPixel = frameImage.width() * frameImage.height() - frameCornerHeight*frameImage.width() - 1;
-        const int rightBorderFirstPixel = frameImage.width() - frameCornerWidth;
-        const int leftBorderLastPixel = frameCornerWidth;
-
-        while ((skips + estimations) < pixels) {
-            if ((skips + estimations) > topBorderLastPixel &&
-                (skips + estimations) < bottomBorderFirstPixel) {
-                for (int rowIndex = 0; rowIndex < frameImage.width(); rowIndex++) {
-                    if (rowIndex > leftBorderLastPixel &&
-                        rowIndex < rightBorderFirstPixel) {
-                        estimatedRed += qRed(*pixelRgb);
-                        estimatedGreen += qGreen(*pixelRgb);
-                        estimatedBlue += qBlue(*pixelRgb);
-                    }
-                    pixelRgb++;
-                    estimations++;
+    const int frameCornerWidth = pixelMetric(PM_FrameCornerWidth);
+    const int frameCornerHeight = pixelMetric(PM_FrameCornerHeight);
+    Q_ASSERT(2 * frameCornerWidth < 32);
+    Q_ASSERT(2 * frameCornerHeight < 32);
+
+    const QImage frameImage = QS60StylePrivate::frame(frame, QSize(32, 32)).toImage();
+    Q_ASSERT(frameImage.bytesPerLine() > 0);
+    if (frameImage.isNull())
+        return Qt::black;
+
+    const QRgb *pixelRgb = (const QRgb*)frameImage.constBits();
+    const int pixels = frameImage.byteCount() / sizeof(QRgb);
+
+    int estimatedRed = 0;
+    int estimatedGreen = 0;
+    int estimatedBlue = 0;
+
+    int skips = 0;
+    int estimations = 0;
+
+    const int topBorderLastPixel = frameCornerHeight * frameImage.width() - 1;
+    const int bottomBorderFirstPixel = frameImage.width() * frameImage.height() - topBorderLastPixel;
+    const int rightBorderFirstPixel = frameImage.width() - frameCornerWidth;
+    const int leftBorderLastPixel = frameCornerWidth;
+
+    while ((skips + estimations) < pixels) {
+        if ((skips + estimations) > topBorderLastPixel &&
+            (skips + estimations) < bottomBorderFirstPixel) {
+            for (int rowIndex = 0; rowIndex < frameImage.width(); rowIndex++) {
+                if (rowIndex > leftBorderLastPixel &&
+                    rowIndex < rightBorderFirstPixel) {
+                    estimatedRed += qRed(*pixelRgb);
+                    estimatedGreen += qGreen(*pixelRgb);
+                    estimatedBlue += qBlue(*pixelRgb);
                 }
-            } else {
                 pixelRgb++;
-                skips++;
+                estimations++;
             }
+        } else {
+            pixelRgb++;
+            skips++;
         }
-        QColor frameColor(estimatedRed/estimations, estimatedGreen/estimations, estimatedBlue/estimations);
-        m_colorCache.insert(frame, frameColor);
-        return !estimations ? Qt::black : frameColor;
-    } else {
-        return m_colorCache.value(frame);
     }
-
+    QColor frameColor(estimatedRed/estimations, estimatedGreen/estimations, estimatedBlue/estimations);
+    return !estimations ? Qt::black : frameColor;
 }
 
 void QS60StylePrivate::setThemePalette(QApplication *app) const
@@ -731,11 +721,14 @@ void QS60StylePrivate::setThemePalette(QPalette *palette) const
     palette->setBrush(QPalette::Window, backgroundTexture());
     // set as transparent so that styled full screen theme background is visible
     palette->setBrush(QPalette::Base, Qt::transparent);
-    // set button and tooltipbase based on pixel colors
+    // set button color based on pixel colors
+#ifndef Q_WS_S60
+    //For emulated style, just calculate the color every time
+    const QColor buttonColor = calculatedColor(SF_ButtonNormal);
+#else
     const QColor buttonColor = colorFromFrameGraphics(SF_ButtonNormal);
+#endif
     palette->setColor(QPalette::Button, buttonColor);
-    const QColor toolTipColor = colorFromFrameGraphics(SF_ToolTip);
-    palette->setColor(QPalette::ToolTipBase, toolTipColor);
     palette->setColor(QPalette::Light, palette->color(QPalette::Button).lighter());
     palette->setColor(QPalette::Dark, palette->color(QPalette::Button).darker());
     palette->setColor(QPalette::Midlight, palette->color(QPalette::Button).lighter(125));
diff --git a/src/gui/styles/qs60style_p.h b/src/gui/styles/qs60style_p.h
index b46f75e..db4285d 100644
--- a/src/gui/styles/qs60style_p.h
+++ b/src/gui/styles/qs60style_p.h
@@ -523,8 +523,12 @@ public:
     static bool isSingleClickUi();
     static bool isWidgetPressed(const QWidget *widget);
 
-    // calculates average color based on button skin graphics (minus borders).
+#ifdef Q_WS_S60
+    static void deleteStoredSettings();
+    // calculates average color based on theme graphics (minus borders).
     QColor colorFromFrameGraphics(SkinFrameElements frame) const;
+#endif
+    QColor calculatedColor(SkinFrameElements frame) const;
 
     //set theme palette for application
     void setThemePalette(QApplication *application) const;
@@ -542,7 +546,6 @@ public:
     static const int m_numberOfLayouts;
 
     mutable QHash<QPair<QS60StyleEnums::FontCategories , int>, QFont> m_mappedFontsCache;
-    mutable QHash<SkinFrameElements, QColor> m_colorCache;
 
     // Has one entry per SkinFrameElements
     static const struct frameElementCenter {
diff --git a/src/gui/styles/qs60style_s60.cpp b/src/gui/styles/qs60style_s60.cpp
index a1ea308..7b75d40 100644
--- a/src/gui/styles/qs60style_s60.cpp
+++ b/src/gui/styles/qs60style_s60.cpp
@@ -48,6 +48,7 @@
 #include "private/qpixmap_s60_p.h"
 #include "private/qcore_symbian_p.h"
 #include "qapplication.h"
+#include "qsettings.h"
 
 #include "qpluginloader.h"
 #include "qlibraryinfo.h"
@@ -69,6 +70,8 @@
 #include <gulicon.h>
 #include <AknBitmapAnimation.h>
 
+#include <centralrepository.h>
+
 #if !defined(QT_NO_STYLE_S60) || defined(QT_PLUGIN)
 
 QT_BEGIN_NAMESPACE
@@ -81,6 +84,8 @@ enum TDrawType {
     ENoDraw
 };
 
+const TUid personalisationUID = { 0x101F876F };
+
 enum TSupportRelease {
     ES60_None     = 0x0000, //indicates that the commonstyle should draw the graphics
     ES60_3_1      = 0x0001,
@@ -689,6 +694,76 @@ bool QS60StylePrivate::isSingleClickUi()
     return (QSysInfo::s60Version() > QSysInfo::SV_S60_5_0);
 }
 
+void QS60StylePrivate::deleteStoredSettings()
+{
+    QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
+    settings.beginGroup(QLatin1String("QS60Style"));
+    settings.remove("");
+    settings.endGroup();
+}
+
+// Since S60Style has 'button' as a graphic, we don't have any native color which to use
+// for QPalette::Button. Therefore S60Style needs to guesstimate palette color by calculating
+// average rgb values for button pixels.
+// Returns Qt::black if there is an issue with the graphics (image is NULL, or no constBits() found).
+QColor QS60StylePrivate::colorFromFrameGraphics(SkinFrameElements frame) const
+{
+#ifndef QT_NO_SETTINGS
+    TInt themeID = 0;
+    //First we need to fetch active theme ID. We need to store the themeID at the same time
+    //as color, so that we can later check if the stored color is still from the same theme.
+    //Native side stores active theme UID/Timestamp into central repository.
+    int error = 0;
+    QT_TRAP_THROWING(
+        CRepository *themeRepository = CRepository::NewLC(personalisationUID);
+        if (themeRepository) {
+            static const TInt KThemePkgIDDesSize = 23; //size of the stored theme package ID
+            TBuf<32> value; //themeID is currently max of 8 + 1 + 8 characters, but lets have some extra space
+            const TUint32 key = 0x00000002; //active theme key in the repository
+            error = themeRepository->Get(key, value);
+            if (error == KErrNone) {
+                TLex lex(value);
+                TPtrC numberToken(lex.NextToken());
+                if (numberToken.Length())
+                    error = TLex(numberToken).Val(themeID);
+                else
+                    error = KErrArgument;
+            }
+        }
+        CleanupStack::PopAndDestroy(themeRepository);
+    );
+
+    QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
+    settings.beginGroup(QLatin1String("QS60Style"));
+    if (themeID != 0) {
+        QVariant buttonColor = settings.value(QLatin1String("ButtonColor"));
+        if (!buttonColor.isNull()) {
+            //there is a stored color value, lets see if the theme ID matches
+            if (error == KErrNone) {
+                QVariant themeUID = settings.value(QLatin1String("ThemeUID"));
+                if (!themeUID.isNull() && themeUID.toInt() == themeID) {
+                    QColor storedColor(buttonColor.value<QColor>());
+                    if (storedColor.isValid())
+                        return storedColor;
+                }
+            }
+            settings.remove(""); //if color was invalid, or theme has been changed, just delete all stored settings
+        }
+    }
+#endif
+
+    QColor color = calculatedColor(frame);
+
+#ifndef QT_NO_SETTINGS
+    settings.setValue(QLatin1String("ThemeUID"), QVariant(themeID));
+    if (frame == SF_ButtonNormal) //other colors are not currently calculated from graphics
+        settings.setValue(QLatin1String("ButtonColor"), QVariant(color));
+    settings.endGroup();
+#endif
+
+    return color;
+}
+
 QPoint qt_s60_fill_background_offset(const QWidget *targetWidget)
 {
     CCoeControl *control = targetWidget->effectiveWinId();