Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 496 insertions, 0 deletions

diff --git a/Source/WebCore/platform/android/RenderThemeAndroid.cpp b/Source/WebCore/platform/android/RenderThemeAndroid.cpp
new file mode 100644
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--- /dev/null
+++ b/Source/WebCore/platform/android/RenderThemeAndroid.cpp
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+/*
+ * Copyright 2009, The Android Open Source Project
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "RenderThemeAndroid.h"
+
+#include "Color.h"
+#include "Element.h"
+#include "GraphicsContext.h"
+#include "HTMLNames.h"
+#include "HTMLOptionElement.h"
+#include "HTMLSelectElement.h"
+#include "Node.h"
+#include "PlatformGraphicsContext.h"
+#if ENABLE(VIDEO)
+#include "RenderMediaControls.h"
+#endif
+#include "RenderSkinAndroid.h"
+#include "RenderSkinButton.h"
+#include "RenderSkinCombo.h"
+#include "RenderSkinMediaButton.h"
+#include "RenderSkinRadio.h"
+#include "SkCanvas.h"
+#include "UserAgentStyleSheets.h"
+#include "WebCoreFrameBridge.h"
+
+namespace WebCore {
+
+// Add padding to the fontSize of ListBoxes to get their maximum sizes.
+// Listboxes often have a specified size.  Since we change them into
+// dropdowns, we want a much smaller height, which encompasses the text.
+const int listboxPadding = 5;
+
+// This is the color of selection in a textfield.  It was computed from
+// frameworks/base/core/res/res/values/colors.xml, which uses #9983CC39
+// (decimal a = 153, r = 131, g = 204, b = 57)
+// for all four highlighted text values. Blending this with white yields:
+// R = (131 * 153 + 255 * (255 - 153)) / 255  -> 180.6
+// G = (204 * 153 + 255 * (255 - 153)) / 255  -> 224.4
+// B = ( 57 * 153 + 255 * (255 - 153)) / 255  -> 136.2
+
+const RGBA32 selectionColor = makeRGB(181, 224, 136);
+
+static SkCanvas* getCanvasFromInfo(const PaintInfo& info)
+{
+    return info.context->platformContext()->mCanvas;
+}
+
+static android::WebFrame* getWebFrame(const Node* node)
+{
+    if (!node)
+        return 0;
+    return android::WebFrame::getWebFrame(node->document()->frame());
+}
+
+RenderTheme* theme()
+{
+    DEFINE_STATIC_LOCAL(RenderThemeAndroid, androidTheme, ());
+    return &androidTheme;
+}
+
+PassRefPtr<RenderTheme> RenderTheme::themeForPage(Page* page)
+{
+    static RenderTheme* rt = RenderThemeAndroid::create().releaseRef();
+    return rt;
+}
+
+PassRefPtr<RenderTheme> RenderThemeAndroid::create()
+{
+    return adoptRef(new RenderThemeAndroid());
+}
+
+RenderThemeAndroid::RenderThemeAndroid()
+{
+}
+
+RenderThemeAndroid::~RenderThemeAndroid()
+{
+}
+
+void RenderThemeAndroid::close()
+{
+}
+
+bool RenderThemeAndroid::stateChanged(RenderObject* obj, ControlState state) const
+{
+    if (CheckedState == state) {
+        obj->repaint();
+        return true;
+    }
+    return false;
+}
+
+Color RenderThemeAndroid::platformActiveSelectionBackgroundColor() const
+{
+    return Color(selectionColor);
+}
+
+Color RenderThemeAndroid::platformInactiveSelectionBackgroundColor() const
+{
+    return Color(Color::transparent);
+}
+
+Color RenderThemeAndroid::platformActiveSelectionForegroundColor() const
+{
+    return Color::black;
+}
+
+Color RenderThemeAndroid::platformInactiveSelectionForegroundColor() const
+{
+    return Color::black;
+}
+
+Color RenderThemeAndroid::platformTextSearchHighlightColor() const
+{
+    return Color(Color::transparent);
+}
+
+Color RenderThemeAndroid::platformActiveListBoxSelectionBackgroundColor() const
+{
+    return Color(Color::transparent);
+}
+
+Color RenderThemeAndroid::platformInactiveListBoxSelectionBackgroundColor() const
+{
+    return Color(Color::transparent);
+}
+
+Color RenderThemeAndroid::platformActiveListBoxSelectionForegroundColor() const
+{
+    return Color(Color::transparent);
+}
+
+Color RenderThemeAndroid::platformInactiveListBoxSelectionForegroundColor() const
+{
+    return Color(Color::transparent);
+}
+
+int RenderThemeAndroid::baselinePosition(const RenderObject* obj) const
+{
+    // From the description of this function in RenderTheme.h:
+    // A method to obtain the baseline position for a "leaf" control.  This will only be used if a baseline
+    // position cannot be determined by examining child content. Checkboxes and radio buttons are examples of
+    // controls that need to do this.
+    //
+    // Our checkboxes and radio buttons need to be offset to line up properly.
+    return RenderTheme::baselinePosition(obj) - 2;
+}
+
+void RenderThemeAndroid::addIntrinsicMargins(RenderStyle* style) const
+{
+    // Cut out the intrinsic margins completely if we end up using a small font size
+    if (style->fontSize() < 11)
+        return;
+    
+    // Intrinsic margin value.
+    const int m = 2;
+    
+    // FIXME: Using width/height alone and not also dealing with min-width/max-width is flawed.
+    if (style->width().isIntrinsicOrAuto()) {
+        if (style->marginLeft().quirk())
+            style->setMarginLeft(Length(m, Fixed));
+        if (style->marginRight().quirk())
+            style->setMarginRight(Length(m, Fixed));
+    }
+
+    if (style->height().isAuto()) {
+        if (style->marginTop().quirk())
+            style->setMarginTop(Length(m, Fixed));
+        if (style->marginBottom().quirk())
+            style->setMarginBottom(Length(m, Fixed));
+    }
+}
+
+bool RenderThemeAndroid::supportsFocus(ControlPart appearance)
+{
+    switch (appearance) {
+    case PushButtonPart:
+    case ButtonPart:
+    case TextFieldPart:
+        return true;
+    default:
+        return false;
+    }
+
+    return false;
+}
+
+void RenderThemeAndroid::adjustButtonStyle(CSSStyleSelector*, RenderStyle* style, WebCore::Element*) const
+{
+    // Code is taken from RenderThemeSafari.cpp
+    // It makes sure we have enough space for the button text.
+    const int padding = 8;
+    style->setPaddingLeft(Length(padding, Fixed));
+    style->setPaddingRight(Length(padding, Fixed));
+
+    // Set a min-height so that we can't get smaller than the mini button.
+    style->setMinHeight(Length(15, Fixed));
+}
+
+bool RenderThemeAndroid::paintCheckbox(RenderObject* obj, const PaintInfo& info, const IntRect& rect)
+{
+    RenderSkinRadio::Draw(getCanvasFromInfo(info), obj->node(), rect, true);
+    return false;
+}
+
+bool RenderThemeAndroid::paintButton(RenderObject* obj, const PaintInfo& info, const IntRect& rect)
+{
+    // If it is a disabled button, simply paint it to the master picture.
+    Node* node = obj->node();
+    Element* formControlElement = static_cast<Element*>(node);
+    if (formControlElement && !formControlElement->isEnabledFormControl()) {
+        android::WebFrame* webFrame = getWebFrame(node);
+        if (webFrame) {
+            const RenderSkinAndroid* skins = webFrame->renderSkins();
+            if (skins)
+                skins->renderSkinButton()->draw(getCanvasFromInfo(info), rect,
+                                                RenderSkinAndroid::kDisabled);
+        }
+    } else
+        // Store all the important information in the platform context.
+        info.context->platformContext()->storeButtonInfo(node, rect);
+
+    // We always return false so we do not request to be redrawn.
+    return false;
+}
+
+#if ENABLE(VIDEO)
+
+String RenderThemeAndroid::extraMediaControlsStyleSheet()
+{
+      return String(mediaControlsAndroidUserAgentStyleSheet, sizeof(mediaControlsAndroidUserAgentStyleSheet));
+}
+
+bool RenderThemeAndroid::shouldRenderMediaControlPart(ControlPart part, Element* e)
+{
+      HTMLMediaElement* mediaElement = static_cast<HTMLMediaElement*>(e);
+      switch (part) {
+      case MediaMuteButtonPart:
+          return false;
+      case MediaSeekBackButtonPart:
+      case MediaSeekForwardButtonPart:
+          return false;
+      case MediaRewindButtonPart:
+          return mediaElement->movieLoadType() != MediaPlayer::LiveStream;
+      case MediaReturnToRealtimeButtonPart:
+          return mediaElement->movieLoadType() == MediaPlayer::LiveStream;
+      case MediaFullscreenButtonPart:
+          return mediaElement->supportsFullscreen();
+      case MediaToggleClosedCaptionsButtonPart:
+          return mediaElement->hasClosedCaptions();
+      default:
+          return true;
+      }
+}
+
+bool RenderThemeAndroid::paintMediaFullscreenButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& rect)
+{
+      bool translucent = false;
+      if (o && toParentMediaElement(o) && toParentMediaElement(o)->hasTagName(HTMLNames::videoTag))
+          translucent = true;
+      RenderSkinMediaButton::Draw(getCanvasFromInfo(paintInfo), rect, RenderSkinMediaButton::FULLSCREEN, translucent);
+      return false;
+}
+
+bool RenderThemeAndroid::paintMediaMuteButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& rect)
+{
+      bool translucent = false;
+      if (o && toParentMediaElement(o) && toParentMediaElement(o)->hasTagName(HTMLNames::videoTag))
+          translucent = true;
+      RenderSkinMediaButton::Draw(getCanvasFromInfo(paintInfo), rect, RenderSkinMediaButton::MUTE, translucent);
+      return false;
+}
+
+bool RenderThemeAndroid::paintMediaPlayButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& rect)
+{
+      bool translucent = false;
+      if (o && toParentMediaElement(o) && toParentMediaElement(o)->hasTagName(HTMLNames::videoTag))
+          translucent = true;
+      if (MediaControlPlayButtonElement* btn = static_cast<MediaControlPlayButtonElement*>(o->node())) {
+          if (btn->displayType() == MediaPlayButton)
+              RenderSkinMediaButton::Draw(getCanvasFromInfo(paintInfo), rect, RenderSkinMediaButton::PLAY, translucent);
+          else
+              RenderSkinMediaButton::Draw(getCanvasFromInfo(paintInfo), rect, RenderSkinMediaButton::PAUSE, translucent);
+          return false;
+      }
+      return true;
+}
+
+bool RenderThemeAndroid::paintMediaSeekBackButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& rect)
+{
+      bool translucent = false;
+      if (o && toParentMediaElement(o) && toParentMediaElement(o)->hasTagName(HTMLNames::videoTag))
+          translucent = true;
+      RenderSkinMediaButton::Draw(getCanvasFromInfo(paintInfo), rect, RenderSkinMediaButton::REWIND, translucent);
+      return false;
+}
+
+bool RenderThemeAndroid::paintMediaSeekForwardButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& rect)
+{
+      bool translucent = false;
+      if (o && toParentMediaElement(o) && toParentMediaElement(o)->hasTagName(HTMLNames::videoTag))
+          translucent = true;
+      RenderSkinMediaButton::Draw(getCanvasFromInfo(paintInfo), rect, RenderSkinMediaButton::FORWARD, translucent);
+      return false;
+}
+
+bool RenderThemeAndroid::paintMediaControlsBackground(RenderObject* o, const PaintInfo& paintInfo, const IntRect& rect)
+{
+      bool translucent = false;
+      if (o && toParentMediaElement(o) && toParentMediaElement(o)->hasTagName(HTMLNames::videoTag))
+          translucent = true;
+      RenderSkinMediaButton::Draw(getCanvasFromInfo(paintInfo), rect, RenderSkinMediaButton::BACKGROUND_SLIDER, translucent);
+      return false;
+}
+
+bool RenderThemeAndroid::paintMediaSliderTrack(RenderObject* o, const PaintInfo& paintInfo, const IntRect& rect)
+{
+      bool translucent = false;
+      if (o && toParentMediaElement(o) && toParentMediaElement(o)->hasTagName(HTMLNames::videoTag))
+          translucent = true;
+      RenderSkinMediaButton::Draw(getCanvasFromInfo(paintInfo), rect,
+                                  RenderSkinMediaButton::SLIDER_TRACK, translucent, o);
+      return false;
+}
+
+bool RenderThemeAndroid::paintMediaSliderThumb(RenderObject* o, const PaintInfo& paintInfo, const IntRect& rect)
+{
+      bool translucent = false;
+      if (o && toParentMediaElement(o) && toParentMediaElement(o)->hasTagName(HTMLNames::videoTag))
+          translucent = true;
+      RenderSkinMediaButton::Draw(getCanvasFromInfo(paintInfo), rect, RenderSkinMediaButton::SLIDER_THUMB, translucent);
+      return false;
+}
+
+void RenderThemeAndroid::adjustSliderThumbSize(RenderObject* o) const
+{
+    static const int sliderThumbWidth = RenderSkinMediaButton::sliderThumbWidth();
+    static const int sliderThumbHeight = RenderSkinMediaButton::sliderThumbHeight();
+    if (o->style()->appearance() == MediaSliderThumbPart) {
+        o->style()->setWidth(Length(sliderThumbWidth, Fixed));
+        o->style()->setHeight(Length(sliderThumbHeight, Fixed));
+    }
+}
+
+#endif
+
+bool RenderThemeAndroid::paintRadio(RenderObject* obj, const PaintInfo& info, const IntRect& rect)
+{
+    RenderSkinRadio::Draw(getCanvasFromInfo(info), obj->node(), rect, false);
+    return false;
+}
+
+void RenderThemeAndroid::setCheckboxSize(RenderStyle* style) const
+{
+    style->setWidth(Length(19, Fixed));
+    style->setHeight(Length(19, Fixed));
+}
+
+void RenderThemeAndroid::setRadioSize(RenderStyle* style) const
+{
+    // This is the same as checkboxes.
+    setCheckboxSize(style);
+}
+
+void RenderThemeAndroid::adjustTextFieldStyle(CSSStyleSelector*, RenderStyle* style, WebCore::Element*) const
+{
+    addIntrinsicMargins(style);
+}
+
+bool RenderThemeAndroid::paintTextField(RenderObject*, const PaintInfo&, const IntRect&)
+{
+    return true;    
+}
+
+void RenderThemeAndroid::adjustTextAreaStyle(CSSStyleSelector*, RenderStyle* style, WebCore::Element*) const
+{
+    addIntrinsicMargins(style);
+}
+
+bool RenderThemeAndroid::paintTextArea(RenderObject* obj, const PaintInfo& info, const IntRect& rect)
+{
+    if (obj->isMenuList())
+        paintCombo(obj, info, rect);
+    return true;
+}
+
+void RenderThemeAndroid::adjustSearchFieldStyle(CSSStyleSelector*, RenderStyle* style, Element*) const
+{
+    addIntrinsicMargins(style);
+}
+
+bool RenderThemeAndroid::paintSearchField(RenderObject*, const PaintInfo&, const IntRect&)
+{
+    return true;    
+}
+
+static void adjustMenuListStyleCommon(RenderStyle* style)
+{
+    // Added to make room for our arrow and make the touch target less cramped.
+    style->setPaddingLeft(Length(RenderSkinCombo::padding(), Fixed));
+    style->setPaddingTop(Length(RenderSkinCombo::padding(), Fixed));
+    style->setPaddingBottom(Length(RenderSkinCombo::padding(), Fixed));
+    style->setPaddingRight(Length(RenderSkinCombo::extraWidth(), Fixed));
+}
+
+void RenderThemeAndroid::adjustListboxStyle(CSSStyleSelector*, RenderStyle* style, Element*) const
+{
+    adjustMenuListButtonStyle(0, style, 0);
+}
+
+void RenderThemeAndroid::adjustMenuListStyle(CSSStyleSelector*, RenderStyle* style, Element* e) const
+{
+    adjustMenuListStyleCommon(style);
+    addIntrinsicMargins(style);
+}
+
+bool RenderThemeAndroid::paintCombo(RenderObject* obj, const PaintInfo& info,  const IntRect& rect)
+{
+  if (obj->style() && !obj->style()->visitedDependentColor(CSSPropertyBackgroundColor).alpha())
+        return true;
+    return RenderSkinCombo::Draw(getCanvasFromInfo(info), obj->node(), rect.x(), rect.y(), rect.width(), rect.height());
+}
+
+bool RenderThemeAndroid::paintMenuList(RenderObject* obj, const PaintInfo& info, const IntRect& rect) 
+{ 
+    return paintCombo(obj, info, rect);
+}
+
+void RenderThemeAndroid::adjustMenuListButtonStyle(CSSStyleSelector*,
+        RenderStyle* style, Element*) const
+{
+    // Copied from RenderThemeSafari.
+    const float baseFontSize = 11.0f;
+    const int baseBorderRadius = 5;
+    float fontScale = style->fontSize() / baseFontSize;
+    
+    style->resetPadding();
+    style->setBorderRadius(IntSize(int(baseBorderRadius + fontScale - 1), int(baseBorderRadius + fontScale - 1))); // FIXME: Round up?
+
+    const int minHeight = 15;
+    style->setMinHeight(Length(minHeight, Fixed));
+    
+    style->setLineHeight(RenderStyle::initialLineHeight());
+    // Found these padding numbers by trial and error.
+    const int padding = 4;
+    style->setPaddingTop(Length(padding, Fixed));
+    style->setPaddingLeft(Length(padding, Fixed));
+    adjustMenuListStyleCommon(style);
+}
+
+bool RenderThemeAndroid::paintMenuListButton(RenderObject* obj, const PaintInfo& info, const IntRect& rect) 
+{
+    return paintCombo(obj, info, rect);
+}
+
+bool RenderThemeAndroid::supportsFocusRing(const RenderStyle* style) const
+{
+    return style->opacity() > 0
+        && style->hasAppearance() 
+        && style->appearance() != TextFieldPart 
+        && style->appearance() != SearchFieldPart 
+        && style->appearance() != TextAreaPart 
+        && style->appearance() != CheckboxPart
+        && style->appearance() != RadioPart
+        && style->appearance() != PushButtonPart
+        && style->appearance() != SquareButtonPart
+        && style->appearance() != ButtonPart
+        && style->appearance() != ButtonBevelPart
+        && style->appearance() != MenulistPart
+        && style->appearance() != MenulistButtonPart;
+}
+
+} // namespace WebCore