Scale the emulated event in EventSender when use-zoom-for-dsf is enabled

components/test_runner/event_sender.cc

 // Copyright 2014 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 "components/test_runner/event_sender.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 14 matching lines @@
 #include "gin/object_template_builder.h"
 #include "gin/wrappable.h"
 #include "third_party/WebKit/public/platform/WebPointerProperties.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 #include "third_party/WebKit/public/web/WebContextMenuData.h"
 #include "third_party/WebKit/public/web/WebKit.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebPagePopup.h"
 #include "third_party/WebKit/public/web/WebView.h"
+#include "ui/events/blink/blink_event_util.h"
 #include "ui/events/keycodes/dom/keycode_converter.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 #include "v8/include/v8.h"
 
 using blink::WebContextMenuData;
 using blink::WebDragData;
 using blink::WebDragOperationsMask;
 using blink::WebFloatPoint;
 using blink::WebGestureEvent;
 using blink::WebInputEvent;
@@ skipping 1253 matching lines @@
 void EventSender::Install(WebLocalFrame* frame) {
   EventSenderBindings::Install(weak_factory_.GetWeakPtr(), frame);
 }
 
 void EventSender::SetContextMenuData(const WebContextMenuData& data) {
   last_context_menu_data_.reset(new WebContextMenuData(data));
 }
 
 void EventSender::DoDragDrop(const WebDragData& drag_data,
                               WebDragOperationsMask mask) {
-  WebMouseEvent event;
+  WebMouseEvent unscaled_event;
   InitMouseEvent(WebInputEvent::MouseDown,
                  current_pointer_state_[kRawMousePointerId].pressed_button_,
                  current_pointer_state_[kRawMousePointerId].current_buttons_,
                  current_pointer_state_[kRawMousePointerId].last_pos_,
                  GetCurrentEventTimeSec(), click_count_,
-                 current_pointer_state_[kRawMousePointerId].modifiers_, &event);
-  WebPoint client_point(event.x, event.y);
-  WebPoint screen_point(event.globalX, event.globalY);
+                 current_pointer_state_[kRawMousePointerId].modifiers_,
+                 &unscaled_event);
+
+  std::unique_ptr<WebInputEvent> scaled_event = ScaleEvent(unscaled_event);
+  const WebMouseEvent* event =
+      scaled_event.get() ? static_cast<WebMouseEvent*>(scaled_event.get())
+                         : &unscaled_event;
+
+  WebPoint client_point(event->x, event->y);
+  WebPoint screen_point(event->globalX, event->globalY);
   current_drag_data_ = drag_data;
   current_drag_effects_allowed_ = mask;
   current_drag_effect_ = view()->dragTargetDragEnter(
       drag_data, client_point, screen_point, current_drag_effects_allowed_,
       modifiersWithButtons(
           current_pointer_state_[kRawMousePointerId].modifiers_,
           current_pointer_state_[kRawMousePointerId].current_buttons_));
 
   // Finish processing events.
   ReplaySavedEvents();
@@ skipping 667 matching lines @@
     WebDragData::Item item;
     item.storageType = WebDragData::Item::StorageTypeFilename;
     item.filenameData = delegate()->GetAbsoluteWebStringFromUTF8Path(files[i]);
     current_drag_data_.addItem(item);
     absolute_filenames[i] = item.filenameData;
   }
   current_drag_data_.setFilesystemId(
       delegate()->RegisterIsolatedFileSystem(absolute_filenames));
   current_drag_effects_allowed_ = blink::WebDragOperationCopy;
 
+  const WebPoint& last_pos =
+      current_pointer_state_[kRawMousePointerId].last_pos_;
+  float scale = delegate()->GetWindowToViewportScale();
+  WebPoint scaled_last_pos(last_pos.x * scale, last_pos.y * scale);
+
   // Provide a drag source.
   view()->dragTargetDragEnter(
-      current_drag_data_, current_pointer_state_[kRawMousePointerId].last_pos_,
-      current_pointer_state_[kRawMousePointerId].last_pos_,
+      current_drag_data_, scaled_last_pos, scaled_last_pos,
       current_drag_effects_allowed_, 0);
   // |is_drag_mode_| saves events and then replays them later. We don't
   // need/want that.
   is_drag_mode_ = false;
 
   // Make the rest of eventSender think a drag is in progress.
   current_pointer_state_[kRawMousePointerId].pressed_button_ =
       WebMouseEvent::ButtonLeft;
   current_pointer_state_[kRawMousePointerId].current_buttons_ |=
       GetWebMouseEventModifierForButton(
@@ skipping 611 matching lines @@
       return;
     }
     e->tiltX = tiltX;
     e->tiltY = tiltY;
   }
 
   if (!getPointerType(args, false, e->pointerType))
     return;
 }
 
-void EventSender::FinishDragAndDrop(const WebMouseEvent& e,
-                                     blink::WebDragOperation drag_effect) {
-  WebPoint client_point(e.x, e.y);
-  WebPoint screen_point(e.globalX, e.globalY);
+void EventSender::FinishDragAndDrop(const WebMouseEvent& unscaled_event,
+                                    blink::WebDragOperation drag_effect) {
+  std::unique_ptr<WebInputEvent> scaled_event = ScaleEvent(unscaled_event);
+  const WebMouseEvent* event =
+      scaled_event.get() ? static_cast<const WebMouseEvent*>(scaled_event.get())
+                         : &unscaled_event;
+
+  WebPoint client_point(event->x, event->y);
+  WebPoint screen_point(event->globalX, event->globalY);
   current_drag_effect_ = drag_effect;
   if (current_drag_effect_) {
     // Specifically pass any keyboard modifiers to the drop method. This allows
     // tests to control the drop type (i.e. copy or move).
     view()->dragTargetDrop(current_drag_data_, client_point, screen_point,
-                           e.modifiers);
+                           event->modifiers);
   } else {
     view()->dragTargetDragLeave();
   }
   view()->dragSourceEndedAt(client_point, screen_point, current_drag_effect_);
   view()->dragSourceSystemDragEnded();
 
   current_drag_data_.reset();
 }
 
-void EventSender::DoDragAfterMouseUp(const WebMouseEvent& e) {
-  last_click_time_sec_ = e.timeStampSeconds;
+void EventSender::DoDragAfterMouseUp(const WebMouseEvent& unscaled_event) {
+  std::unique_ptr<WebInputEvent> scaled_event = ScaleEvent(unscaled_event);
+  const WebMouseEvent* event =
+      scaled_event.get() ? static_cast<WebMouseEvent*>(scaled_event.get())
+                         : &unscaled_event;
+
+  last_click_time_sec_ = event->timeStampSeconds;
   last_click_pos_ = current_pointer_state_[kRawMousePointerId].last_pos_;
 
   // If we're in a drag operation, complete it.
   if (current_drag_data_.isNull())
     return;
 
-  WebPoint client_point(e.x, e.y);
-  WebPoint screen_point(e.globalX, e.globalY);
+  WebPoint client_point(event->x, event->y);
+  WebPoint screen_point(event->globalX, event->globalY);
   blink::WebDragOperation drag_effect = view()->dragTargetDragOver(
-      client_point, screen_point, current_drag_effects_allowed_, e.modifiers);
+      client_point, screen_point, current_drag_effects_allowed_,
+      event->modifiers);
 
   // Bail if dragover caused cancellation.
   if (current_drag_data_.isNull())
     return;
 
-  FinishDragAndDrop(e, drag_effect);
+  FinishDragAndDrop(unscaled_event, drag_effect);
 }
 
-void EventSender::DoDragAfterMouseMove(const WebMouseEvent& e) {
+void EventSender::DoDragAfterMouseMove(const WebMouseEvent& unscaled_event) {
   if (current_pointer_state_[kRawMousePointerId].pressed_button_ ==
           WebMouseEvent::ButtonNone ||
       current_drag_data_.isNull()) {
     return;
   }
 
-  WebPoint client_point(e.x, e.y);
-  WebPoint screen_point(e.globalX, e.globalY);
+  std::unique_ptr<WebInputEvent> scaled_event = ScaleEvent(unscaled_event);
+  const WebMouseEvent* event =
+      scaled_event.get() ? static_cast<WebMouseEvent*>(scaled_event.get())
+                         : &unscaled_event;
+
+  WebPoint client_point(event->x, event->y);
+  WebPoint screen_point(event->globalX, event->globalY);
   current_drag_effect_ = view()->dragTargetDragOver(
-      client_point, screen_point, current_drag_effects_allowed_, e.modifiers);
+      client_point, screen_point, current_drag_effects_allowed_,
+      event->modifiers);
 }
 
 void EventSender::ReplaySavedEvents() {
   replaying_saved_events_ = true;
   while (!mouse_event_queue_.empty()) {
     SavedEvent e = mouse_event_queue_.front();
     mouse_event_queue_.pop_front();
 
     switch (e.type) {
       case SavedEvent::TYPE_MOUSE_MOVE: {
@@ skipping 30 matching lines @@
       }
       default:
         NOTREACHED();
     }
   }
 
   replaying_saved_events_ = false;
 }
 
 WebInputEventResult EventSender::HandleInputEventOnViewOrPopup(
-    const WebInputEvent& event) {
-  last_event_timestamp_ = event.timeStampSeconds;
+    const WebInputEvent& unscaled_event) {
+  std::unique_ptr<WebInputEvent> scaled_event = ScaleEvent(unscaled_event);
+  const WebInputEvent* event =
+      scaled_event.get() ? scaled_event.get() : &unscaled_event;
+
+  last_event_timestamp_ = event->timeStampSeconds;
 
   if (WebPagePopup* popup = view()->pagePopup()) {
-    if (!WebInputEvent::isKeyboardEventType(event.type))
-      return popup->handleInputEvent(event);
+    if (!WebInputEvent::isKeyboardEventType(event->type))
+      return popup->handleInputEvent(*event);
   }
-  return view()->handleInputEvent(event);
+  return view()->handleInputEvent(*event);
 }
 
 void EventSender::SendGesturesForMouseWheelEvent(
     const WebMouseWheelEvent wheel_event) {
   WebGestureEvent begin_event;
   InitGestureEventFromMouseWheel(WebInputEvent::GestureScrollBegin,
                                  GetCurrentEventTimeSec(), wheel_event,
                                  &begin_event);
   begin_event.data.scrollBegin.deltaXHint = wheel_event.deltaX;
   begin_event.data.scrollBegin.deltaYHint = wheel_event.deltaY;
@@ skipping 55 matching lines @@
 }
 
 const blink::WebView* EventSender::view() const {
   return web_test_proxy_base_->web_view();
 }
 
 blink::WebView* EventSender::view() {
   return web_test_proxy_base_->web_view();
 }
 
+std::unique_ptr<WebInputEvent> EventSender::ScaleEvent(
+    const WebInputEvent& event) {
+  // ui::ScaleWebInputEvent returns nullptr when the scale is 1.0f as the event
+  // does not have to be converted.
+  return ui::ScaleWebInputEvent(event, delegate()->GetWindowToViewportScale());
+}
+
 }  // namespace test_runner