Look Up on Force Touch

content/browser/renderer_host/render_widget_host_view_mac.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_widget_host_view_mac.h"
 
 #import <objc/runtime.h>
 #include <OpenGL/gl.h>
 #include <QuartzCore/QuartzCore.h>
 #include <stdint.h>
@@ skipping 22 matching lines @@
 #import "content/browser/accessibility/browser_accessibility_cocoa.h"
 #include "content/browser/accessibility/browser_accessibility_manager_mac.h"
 #include "content/browser/bad_message.h"
 #import "content/browser/cocoa/system_hotkey_helper_mac.h"
 #import "content/browser/cocoa/system_hotkey_map.h"
 #include "content/browser/compositor/resize_lock.h"
 #include "content/browser/frame_host/frame_tree.h"
 #include "content/browser/frame_host/frame_tree_node.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/browser/gpu/compositor_util.h"
+#include "content/browser/renderer_host/input/input_router.h"
 #include "content/browser/renderer_host/input/web_input_event_builders_mac.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_helper.h"
 #include "content/browser/renderer_host/render_widget_host_delegate.h"
 #include "content/browser/renderer_host/render_widget_host_input_event_router.h"
 #import "content/browser/renderer_host/input/synthetic_gesture_target_mac.h"
 #import "content/browser/renderer_host/render_widget_host_view_mac_dictionary_helper.h"
 #import "content/browser/renderer_host/render_widget_host_view_mac_editcommand_helper.h"
 #include "content/browser/renderer_host/render_widget_resize_helper_mac.h"
 #import "content/browser/renderer_host/text_input_client_mac.h"
@@ skipping 46 matching lines @@
 using content::RenderWidgetHostViewMacEditCommandHelper;
 using content::TextInputClientMac;
 using content::WebContents;
 using content::WebGestureEventBuilder;
 using content::WebMouseEventBuilder;
 using content::WebMouseWheelEventBuilder;
 using blink::WebInputEvent;
 using blink::WebMouseEvent;
 using blink::WebMouseWheelEvent;
 using blink::WebGestureEvent;
+using blink::WebPoint;
 
 namespace {
 
 // Whether a keyboard event has been reserved by OSX.
 BOOL EventIsReservedBySystem(NSEvent* event) {
   content::SystemHotkeyHelperMac* helper =
       content::SystemHotkeyHelperMac::GetInstance();
   return helper->map()->IsEventReserved(event);
 }
 
@@ skipping 2182 matching lines @@
       event.skip_in_browser = true;
       widgetHost->ForwardKeyboardEvent(event);
     }
   }
 
   // Possibly autohide the cursor.
   if ([RenderWidgetHostViewCocoa shouldAutohideCursorForEvent:theEvent])
     [NSCursor setHiddenUntilMouseMoves:YES];
 }
 
+- (void)forceTouchEvent:(NSEvent*)theEvent {
+  // Convert the event point into coordinates in the a web content.
+  NSPoint locationInView =
+      [self convertPoint:[theEvent locationInWindow] fromView:nil];
+  WebPoint point(locationInView.x,
+                 [self frame].size.height - locationInView.y);
+
+  // Sends an input to the renderer to select the word at the event's
+  // coordinates. A response from the renderer for this event will cause the
+  // browser to look up the selected word.
+  RenderWidgetHostImpl* rwh = renderWidgetHostView_->render_widget_host_;
+  rwh->input_router()->SendInput(
+      scoped_ptr<IPC::Message>(new InputMsg_SelectWordIfAnyAt(
+          rwh->GetRoutingID(), point)));
+}
+
 - (void)shortCircuitScrollWheelEvent:(NSEvent*)event {
   DCHECK(base::mac::IsOSLionOrLater());
 
   if ([event phase] != NSEventPhaseEnded &&
       [event phase] != NSEventPhaseCancelled) {
     return;
   }
 
   if (renderWidgetHostView_->render_widget_host_) {
     // History-swiping is not possible if the logic reaches this point.
@@ skipping 1113 matching lines @@
 
 // "-webkit-app-region: drag | no-drag" is implemented on Mac by excluding
 // regions that are not draggable. (See ControlRegionView in
 // native_app_window_cocoa.mm). This requires the render host view to be
 // draggable by default.
 - (BOOL)mouseDownCanMoveWindow {
   return YES;
 }
 
 @end