Look Up on Force Touch

third_party/WebKit/Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 Google 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:
  *
  *     * 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
@@ skipping 25 matching lines @@
 #include "core/InputTypeNames.h"
 #include "core/clipboard/DataObject.h"
 #include "core/dom/Document.h"
 #include "core/dom/Fullscreen.h"
 #include "core/dom/LayoutTreeBuilderTraversal.h"
 #include "core/dom/Text.h"
 #include "core/editing/EditingUtilities.h"
 #include "core/editing/Editor.h"
 #include "core/editing/FrameSelection.h"
 #include "core/editing/InputMethodController.h"
+#include "core/editing/SelectionController.h"
 #include "core/editing/iterators/TextIterator.h"
 #include "core/editing/markers/DocumentMarkerController.h"
 #include "core/editing/serializers/HTMLInterchange.h"
 #include "core/editing/serializers/Serialization.h"
 #include "core/events/KeyboardEvent.h"
 #include "core/events/UIEventWithKeyState.h"
 #include "core/events/WheelEvent.h"
 #include "core/fetch/UniqueIdentifier.h"
 #include "core/frame/EventHandlerRegistry.h"
 #include "core/frame/FrameHost.h"
@@ skipping 48 matching lines @@
 #include "platform/Logging.h"
 #include "platform/NotImplemented.h"
 #include "platform/PlatformGestureEvent.h"
 #include "platform/PlatformKeyboardEvent.h"
 #include "platform/PlatformMouseEvent.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/TraceEvent.h"
 #include "platform/UserGestureIndicator.h"
 #include "platform/exported/WebActiveGestureAnimation.h"
 #include "platform/fonts/FontCache.h"
+#include "platform/geometry/LayoutPoint.h"
 #include "platform/graphics/Color.h"
 #include "platform/graphics/FirstPaintInvalidationTracking.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/Image.h"
 #include "platform/graphics/ImageBuffer.h"
 #include "platform/graphics/gpu/DrawingBuffer.h"
 #include "platform/graphics/paint/DrawingRecorder.h"
 #include "platform/scroll/ScrollbarTheme.h"
 #include "platform/weborigin/SchemeRegistry.h"
 #include "public/platform/Platform.h"
@@ skipping 2125 matching lines @@
         if (pinchEvent.data.pinchUpdate.zoomDisabled)
             return WebInputEventResult::NotHandled;
 
         if (page()->frameHost().visualViewport().magnifyScaleAroundAnchor(pinchEvent.data.pinchUpdate.scale, FloatPoint(pinchEvent.x, pinchEvent.y)))
             return WebInputEventResult::HandledSystem;
     }
 
     return WebInputEventResult::NotHandled;
 }
 
+bool WebViewImpl::selectWordIfAnyAtCoordinates(float x, float y)
+{
+    IntPoint position(x, y);
+
+    // Find the right target frame. See issue 1186900.

[Rick Byers, 2015/12/21 16:31:09]

This comment seems to used elsewhere in android-specific code (and indeed refers
to a google internal bug number for early chrome-android work).  You can
probably just remove reference to the issue (but see below).

[spqchan, 2016/01/06 22:52:31]

I removed it but I'm a bit confused by what you mean by "but see below".

+    HitTestResult result = hitTestResultForRootFramePos(position);
+    Frame* targetFrame;
+    if (result.innerNodeOrImageMapImage())
+        targetFrame = result.innerNodeOrImageMapImage()->document().frame();
+    else
+        targetFrame = m_page->focusController().focusedOrMainFrame();
+
+    if (!targetFrame->isLocalFrame())
+        return false;
+
+    LocalFrame* localFrame = toLocalFrame(targetFrame);
+
+    LayoutPoint positionInContents = mainFrameImpl()->frameView()->rootFrameToContents(position);
+
+    return localFrame->eventHandler().selectionController().selectWordAtPositionIfAny(flooredIntPoint(positionInContents));
+}
+
 void WebViewImpl::setCursorVisibilityState(bool isVisible)
 {
     if (m_page)
         m_page->setIsCursorVisible(isVisible);
 }
 
 void WebViewImpl::mouseCaptureLost()
 {
     TRACE_EVENT_ASYNC_END0("input", "capturing mouse", this);
     m_mouseCaptureNode = nullptr;
@@ skipping 2344 matching lines @@
 void WebViewImpl::detachPaintArtifactCompositor()
 {
     if (!m_layerTreeView)
         return;
 
     m_layerTreeView->setDeferCommits(true);
     m_layerTreeView->clearRootLayer();
 }
 
 } // namespace blink