src/third_party/WebKit/Source/modules/screen_orientation/ScreenOrientation.h

   1 // Copyright 2014 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 ScreenOrientation_h
   6 #define ScreenOrientation_h
   7
   8 #include "bindings/core/v8/ScriptWrappable.h"
   9 #include "core/events/EventTarget.h"
  10 #include "core/frame/DOMWindowProperty.h"
  11 #include "platform/heap/Handle.h"
  12 #include "public/platform/WebScreenOrientationType.h"
  13 #include "wtf/text/AtomicString.h"
  14 #include "wtf/text/WTFString.h"
  15
  16 namespace blink {
  17
  18 class ExecutionContext;
  19 class LocalFrame;
  20 class ScriptPromise;
  21 class ScriptState;
  22 class ScreenOrientationController;
  23
  24 class ScreenOrientation final
  25     : public RefCountedGarbageCollectedWillBeGarbageCollectedFinalized<ScreenOrientation>
  26     , public EventTargetWithInlineData
  27     , public DOMWindowProperty {
  28     DEFINE_EVENT_TARGET_REFCOUNTING_WILL_BE_REMOVED(RefCountedGarbageCollectedWillBeGarbageCollectedFinalized<ScreenOrientation>);
  29     DEFINE_WRAPPERTYPEINFO();
  30     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(ScreenOrientation);
  31 public:
  32     static ScreenOrientation* create(LocalFrame*);
  33
  34     virtual ~ScreenOrientation();
  35
  36     // EventTarget implementation.
  37     virtual const WTF::AtomicString& interfaceName() const override;
  38     virtual ExecutionContext* executionContext() const override;
  39
  40     String type() const;
  41     unsigned short angle() const;
  42
  43     void setType(WebScreenOrientationType);
  44     void setAngle(unsigned short);
  45
  46     ScriptPromise lock(ScriptState*, const AtomicString& orientation);
  47     void unlock();
  48
  49     DEFINE_ATTRIBUTE_EVENT_LISTENER(change);
  50
  51     // Helper being used by this class and LockOrientationCallback.
  52     static const AtomicString& orientationTypeToString(WebScreenOrientationType);
  53
  54     virtual void trace(Visitor*) override;
  55
  56 private:
  57     explicit ScreenOrientation(LocalFrame*);
  58
  59     ScreenOrientationController* controller();
  60
  61     WebScreenOrientationType m_type;
  62     unsigned short m_angle;
  63 };
  64
  65 } // namespace blink
  66
  67 #endif // ScreenOrientation_h