Reland of [DevTools] Move screen orientation override to RenderWidgetScreenMetricsEmulator.

third_party/WebKit/Source/modules/screen_orientation/ScreenOrientationController.cpp

 // 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 "modules/screen_orientation/ScreenOrientationController.h"
 
 #include "core/events/Event.h"
 #include "core/frame/FrameHost.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
@@ skipping 22 matching lines @@
 ScreenOrientationController* ScreenOrientationController::from(LocalFrame& frame)
 {
     return static_cast<ScreenOrientationController*>(WillBeHeapSupplement<LocalFrame>::from(frame, supplementName()));
 }
 
 ScreenOrientationController::ScreenOrientationController(LocalFrame& frame, WebScreenOrientationClient* client)
     : LocalFrameLifecycleObserver(&frame)
     , PlatformEventController(frame.page())
     , m_client(client)
     , m_dispatchEventTimer(this, &ScreenOrientationController::dispatchEventTimerFired)
-    , m_override(false)
-    , m_overrideType(WebScreenOrientationUndefined)
-    , m_overrideAngle(0)
 {
 }
 
 const char* ScreenOrientationController::supplementName()
 {
     return "ScreenOrientationController";
 }
 
 // Compute the screen orientation using the orientation angle and the screen width / height.
 WebScreenOrientationType ScreenOrientationController::computeOrientation(const IntRect& rect, uint16_t rotation)
@@ skipping 13 matching lines @@
     case 180:
         return isTallDisplay ? WebScreenOrientationPortraitSecondary : WebScreenOrientationLandscapeSecondary;
     case 270:
         return isTallDisplay ? WebScreenOrientationLandscapeSecondary : WebScreenOrientationPortraitPrimary;
     default:
         ASSERT_NOT_REACHED();
         return WebScreenOrientationPortraitPrimary;
     }
 }
 
-unsigned short ScreenOrientationController::effectiveAngle(ChromeClient& chromeClient)
-{
-    return m_override ? m_overrideAngle : chromeClient.screenInfo().orientationAngle;
-}
-
-WebScreenOrientationType ScreenOrientationController::effectiveType(ChromeClient& chromeClient)
-{
-    return m_override ? m_overrideType : chromeClient.screenInfo().orientationType;
-}
-
 void ScreenOrientationController::updateOrientation()
 {
     ASSERT(m_orientation);
     ASSERT(frame());
     ASSERT(frame()->host());
 
     ChromeClient& chromeClient = frame()->host()->chromeClient();
-    WebScreenOrientationType orientationType = effectiveType(chromeClient);
+    WebScreenInfo screenInfo = chromeClient.screenInfo();
+    WebScreenOrientationType orientationType = screenInfo.orientationType;
     if (orientationType == WebScreenOrientationUndefined) {
         // The embedder could not provide us with an orientation, deduce it ourselves.
-        orientationType = computeOrientation(chromeClient.screenInfo().rect, effectiveAngle(chromeClient));
+        orientationType = computeOrientation(chromeClient.screenInfo().rect, screenInfo.orientationAngle);
     }
     ASSERT(orientationType != WebScreenOrientationUndefined);
 
     m_orientation->setType(orientationType);
-    m_orientation->setAngle(effectiveAngle(chromeClient));
+    m_orientation->setAngle(screenInfo.orientationAngle);
 }
 
 bool ScreenOrientationController::isActiveAndVisible() const
 {
     return m_orientation && frame() && page() && page()->isPageVisible();
 }
 
 void ScreenOrientationController::pageVisibilityChanged()
 {
     notifyDispatcher();
 
     if (!isActiveAndVisible())
         return;
 
     // The orientation type and angle are tied in a way that if the angle has
     // changed, the type must have changed.
-    unsigned short currentAngle = effectiveAngle(frame()->host()->chromeClient());
+    unsigned short currentAngle = frame()->host()->chromeClient().screenInfo().orientationAngle;
 
     // FIXME: sendOrientationChangeEvent() currently send an event all the
     // children of the frame, so it should only be called on the frame on
     // top of the tree. We would need the embedder to call
     // sendOrientationChangeEvent on every WebFrame part of a WebView to be
     // able to remove this.
     if (frame() == frame()->localFrameRoot() && m_orientation->angle() != currentAngle)
         notifyOrientationChanged();
 }
 
@@ skipping 43 matching lines @@
 }
 
 void ScreenOrientationController::unlock()
 {
     // When detached, the client is no longer valid.
     if (!m_client)
         return;
     m_client->unlockOrientation();
 }
 
-void ScreenOrientationController::setOverride(WebScreenOrientationType type, unsigned short angle)
-{
-    m_override = true;
-    m_overrideType = type;
-    m_overrideAngle = angle;
-    notifyOrientationChanged();
-}
-
-void ScreenOrientationController::clearOverride()
-{
-    m_override = false;
-    notifyOrientationChanged();
-}
-
 void ScreenOrientationController::dispatchEventTimerFired(Timer<ScreenOrientationController>*)
 {
     if (!m_orientation)
         return;
     m_orientation->dispatchEvent(Event::create(EventTypeNames::change));
 }
 
 void ScreenOrientationController::didUpdateData()
 {
     // Do nothing.
@@ skipping 29 matching lines @@
 
 DEFINE_TRACE(ScreenOrientationController)
 {
     visitor->trace(m_orientation);
     LocalFrameLifecycleObserver::trace(visitor);
     WillBeHeapSupplement<LocalFrame>::trace(visitor);
     PlatformEventController::trace(visitor);
 }
 
 } // namespace blink