content/renderer/pepper/event_conversion.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_RENDERER_PEPPER_EVENT_CONVERSION_H_
   6 #define CONTENT_RENDERER_PEPPER_EVENT_CONVERSION_H_
   7
   8 #include <vector>
   9
  10 #include "base/memory/linked_ptr.h"
  11 #include "content/common/content_export.h"
  12 #include "ppapi/c/ppb_input_event.h"
  13 #include "third_party/WebKit/public/web/WebInputEvent.h"
  14
  15 struct PP_InputEvent;
  16
  17 namespace ppapi {
  18 struct InputEventData;
  19 }
  20
  21 namespace blink {
  22 class WebGamepads;
  23 class WebInputEvent;
  24 }
  25
  26 namespace content {
  27
  28 // Converts the given WebKit event to one or possibly multiple PP_InputEvents.
  29 // The generated events will be filled into the given vector. On failure, no
  30 // events will ge generated and the vector will be empty.
  31 CONTENT_EXPORT void CreateInputEventData(
  32     const blink::WebInputEvent& event,
  33     std::vector<ppapi::InputEventData>* pp_events);
  34
  35 // Creates a WebInputEvent from the given PP_InputEvent.  If it fails, returns
  36 // NULL.  The caller owns the created object on success.
  37 CONTENT_EXPORT blink::WebInputEvent* CreateWebInputEvent(
  38     const ppapi::InputEventData& event);
  39
  40 // Creates an array of WebInputEvents to make the given event look like a user
  41 // input event on all platforms. |plugin_x| and |plugin_y| should be the
  42 // coordinates of a point within the plugin's area on the page.
  43 std::vector<linked_ptr<blink::WebInputEvent> > CreateSimulatedWebInputEvents(
  44     const ppapi::InputEventData& event,
  45     int plugin_x,
  46     int plugin_y);
  47
  48 // Returns the PPAPI event class for the given WebKit event type. The given
  49 // type should not be "Undefined" since there's no corresponding PPAPI class.
  50 PP_InputEvent_Class ClassifyInputEvent(blink::WebInputEvent::Type type);
  51
  52 }  // namespace content
  53
  54 #endif  // CONTENT_RENDERER_PEPPER_EVENT_CONVERSION_H_