Add the touch event handling for the slider.

bug:4232704

Change-Id: Ia3ac8a6003c1ff7b06d2a226b3206a3be0f8c6b5

6 files changed, 69 insertions, 7 deletions

diff --git a/WebCore/html/HTMLInputElement.cpp b/WebCore/html/HTMLInputElement.cpp
index 7449098..e4c253e 100644
--- a/WebCore/html/HTMLInputElement.cpp
+++ b/WebCore/html/HTMLInputElement.cpp
@@ -1554,7 +1554,14 @@ void HTMLInputElement::defaultEventHandler(Event* evt)
     if (isTextField() && renderer() && (evt->isMouseEvent() || evt->isDragEvent() || evt->isWheelEvent() || evt->type() == eventNames().blurEvent || evt->type() == eventNames().focusEvent))
         toRenderTextControlSingleLine(renderer())->forwardEvent(evt);
 
-    if (deprecatedInputType() == RANGE && renderer() && (evt->isMouseEvent() || evt->isDragEvent() || evt->isWheelEvent()))
+    if (deprecatedInputType() == RANGE
+        && renderer()
+        && (evt->isMouseEvent()
+#if PLATFORM(ANDROID) && ENABLE(TOUCH_EVENTS)
+            || evt->isTouchEvent()
+#endif
+            || evt->isDragEvent()
+            || evt->isWheelEvent()))
         toRenderSlider(renderer())->forwardEvent(evt);
 
     if (!callBaseClassEarly && !evt->defaultHandled())
diff --git a/WebCore/html/HTMLMediaElement.cpp b/WebCore/html/HTMLMediaElement.cpp
index 7c061d0..8af8927 100644
--- a/WebCore/html/HTMLMediaElement.cpp
+++ b/WebCore/html/HTMLMediaElement.cpp
@@ -170,6 +170,10 @@ HTMLMediaElement::HTMLMediaElement(const QualifiedName& tagName, Document* docum
     LOG(Media, "HTMLMediaElement::HTMLMediaElement");
     document->registerForDocumentActivationCallbacks(this);
     document->registerForMediaVolumeCallbacks(this);
+#if PLATFORM(ANDROID) && ENABLE(TOUCH_EVENTS)
+    // Enable the Media Element to listen to all the touch events
+    document->addListenerTypeIfNeeded(eventNames().touchstartEvent);
+#endif
 }
 
 HTMLMediaElement::~HTMLMediaElement()
diff --git a/WebCore/rendering/MediaControlElements.cpp b/WebCore/rendering/MediaControlElements.cpp
index 1af1b80..25b5a12 100644
--- a/WebCore/rendering/MediaControlElements.cpp
+++ b/WebCore/rendering/MediaControlElements.cpp
@@ -719,8 +719,12 @@ void MediaControlTimelineElement::defaultEventHandler(Event* event)
     }
 
     RenderSlider* slider = toRenderSlider(renderer());
-    if (slider && slider->inDragMode())
+    if (slider && slider->inDragMode()) {
         toRenderMedia(mediaElement()->renderer())->updateTimeDisplay();
+#if PLATFORM(ANDROID)
+        toRenderMedia(mediaElement()->renderer())->updateLastTouch();
+#endif
+    }
 
     if (event->type() == eventNames().mouseupEvent)
         mediaElement()->endScrubbing();
diff --git a/WebCore/rendering/RenderMedia.cpp b/WebCore/rendering/RenderMedia.cpp
index f19ca96..6fe0337 100644
--- a/WebCore/rendering/RenderMedia.cpp
+++ b/WebCore/rendering/RenderMedia.cpp
@@ -550,11 +550,22 @@ void RenderMedia::updateVolumeSliderContainer(bool visible)
     }
 }
 
+#if PLATFORM(ANDROID)
+void RenderMedia::updateLastTouch()
+{
+    m_lastTouch = WTF::currentTime();
+}
+#endif
+
 void RenderMedia::forwardEvent(Event* event)
 {
 #if PLATFORM(ANDROID)
     if (event->isMouseEvent())
-        m_lastTouch = WTF::currentTime();
+        updateLastTouch();
+#if ENABLE(TOUCH_EVENTS)
+    if (event->isTouchEvent())
+        updateLastTouch();
+#endif
 #endif
 
     if (event->isMouseEvent() && m_controlsShadowRoot) {
diff --git a/WebCore/rendering/RenderMedia.h b/WebCore/rendering/RenderMedia.h
index 65fdc7d..a3b5c5c 100644
--- a/WebCore/rendering/RenderMedia.h
+++ b/WebCore/rendering/RenderMedia.h
@@ -71,6 +71,9 @@ public:
     void updateTimeDisplay();
     
     void forwardEvent(Event*);
+#if PLATFORM(ANDROID)
+    void updateLastTouch();
+#endif
 
 protected:
     virtual void layout();
diff --git a/WebCore/rendering/RenderSlider.cpp b/WebCore/rendering/RenderSlider.cpp
index d680bc7..f00b586 100644
--- a/WebCore/rendering/RenderSlider.cpp
+++ b/WebCore/rendering/RenderSlider.cpp
@@ -43,6 +43,10 @@
 #include "Settings.h"
 #endif
 
+#if PLATFORM(ANDROID) && ENABLE(TOUCH_EVENTS)
+#include "TouchEvent.h"
+#endif
+
 using std::min;
 
 namespace WebCore {
@@ -85,7 +89,11 @@ inline PassRefPtr<SliderThumbElement> SliderThumbElement::create(HTMLElement* sh
 
 void SliderThumbElement::defaultEventHandler(Event* event)
 {
-    if (!event->isMouseEvent()) {
+    if (!event->isMouseEvent()
+#if PLATFORM(ANDROID) && ENABLE(TOUCH_EVENTS)
+        && !event->isTouchEvent()
+#endif
+        ) {
         ShadowBlockElement::defaultEventHandler(event);
         return;
     }
@@ -94,7 +102,11 @@ void SliderThumbElement::defaultEventHandler(Event* event)
     bool isLeftButton = mouseEvent->button() == LeftButton;
     const AtomicString& eventType = event->type();
 
-    if (eventType == eventNames().mousedownEvent && isLeftButton) {
+    if (eventType == eventNames().mousedownEvent && isLeftButton
+#if PLATFORM(ANDROID) && ENABLE(TOUCH_EVENTS)
+        || eventType == eventNames().touchstartEvent
+#endif
+        ) {
         if (document()->frame() && renderer()) {
             RenderSlider* slider = toRenderSlider(renderer()->parent());
             if (slider) {
@@ -115,7 +127,11 @@ void SliderThumbElement::defaultEventHandler(Event* event)
                 return;
             }
         }
-    } else if (eventType == eventNames().mouseupEvent && isLeftButton) {
+    } else if (eventType == eventNames().mouseupEvent && isLeftButton
+#if PLATFORM(ANDROID) && ENABLE(TOUCH_EVENTS)
+               || eventType == eventNames().touchendEvent
+#endif
+               ) {
         if (m_inDragMode) {
             if (Frame* frame = document()->frame())
                 frame->eventHandler()->setCapturingMouseEventsNode(0);      
@@ -123,11 +139,28 @@ void SliderThumbElement::defaultEventHandler(Event* event)
             event->setDefaultHandled();
             return;
         }
-    } else if (eventType == eventNames().mousemoveEvent) {
+    } else if (eventType == eventNames().mousemoveEvent
+#if PLATFORM(ANDROID) && ENABLE(TOUCH_EVENTS)
+               || eventType == eventNames().touchmoveEvent
+#endif
+               ) {
         if (m_inDragMode && renderer() && renderer()->parent()) {
             RenderSlider* slider = toRenderSlider(renderer()->parent());
             if (slider) {
                 FloatPoint curPoint = slider->absoluteToLocal(mouseEvent->absoluteLocation(), false, true);
+#if PLATFORM(ANDROID) && ENABLE(TOUCH_EVENTS)
+                // Update the position when it is a touch event
+                if (event->isTouchEvent()) {
+                    TouchEvent* touchEvent = static_cast<TouchEvent*>(event);
+                    if (touchEvent && touchEvent->touches() && touchEvent->touches()->item(0)) {
+                        curPoint.setX(touchEvent->touches()->item(0)->pageX());
+                        curPoint.setY(touchEvent->touches()->item(0)->pageY());
+                        curPoint = slider->absoluteToLocal(curPoint, false, true);
+                    }
+                }
+                // Tell the webview that webkit will handle the following move events
+                event->setDefaultPrevented(true);
+#endif
                 IntPoint eventOffset(curPoint.x() + m_offsetToThumb.x(), curPoint.y() + m_offsetToThumb.y());
                 slider->setValueForPosition(slider->positionForOffset(eventOffset));
                 event->setDefaultHandled();