Dispatch screen state change events to Views (bb9908b8) · Commits · e / os / android_frameworks_base

api/current.txt

+3 −0

Original line number	Diff line number	Diff line
		@@ -23370,6 +23370,7 @@ package android.view {
		method public void onResolvedTextDirectionReset();
		method protected void onRestoreInstanceState(android.os.Parcelable);
		method protected android.os.Parcelable onSaveInstanceState();
		method public void onScreenStateChanged(int);
		method protected void onScrollChanged(int, int, int, int);
		method protected boolean onSetAlpha(int);
		method protected void onSizeChanged(int, int, int, int);
		@@ -23579,6 +23580,8 @@ package android.view {
		field public static final android.util.Property ROTATION_Y;
		field public static final android.util.Property SCALE_X;
		field public static final android.util.Property SCALE_Y;
		field public static final int SCREEN_STATE_OFF = 2; // 0x2
		field public static final int SCREEN_STATE_ON = 1; // 0x1
		field public static final int SCROLLBARS_INSIDE_INSET = 16777216; // 0x1000000
		field public static final int SCROLLBARS_INSIDE_OVERLAY = 0; // 0x0
		field public static final int SCROLLBARS_OUTSIDE_INSET = 50331648; // 0x3000000

core/java/android/view/IWindow.aidl

+1 −1

Original line number	Diff line number	Diff line
		@@ -49,7 +49,7 @@ oneway interface IWindow {
		boolean reportDraw, in Configuration newConfig);
		void dispatchAppVisibility(boolean visible);
		void dispatchGetNewSurface();
		void dispatchScreenStatus(boolean on);
		void dispatchScreenState(boolean on);

		/**
		* Tell the window that it is either gaining or losing focus. Keep it up

core/java/android/view/View.java

+33 −0

Original line number	Diff line number	Diff line
		@@ -1993,6 +1993,20 @@ public class View implements Drawable.Callback, Drawable.Callback2, KeyEvent.Cal
		*/
		public static final int FIND_VIEWS_WITH_ACCESSIBILITY_NODE_PROVIDERS = 0x00000004;

		/**
		* Indicates that the screen has changed state and is now off.
		*
		* @see #onScreenStateChanged(int)
		*/
		public static final int SCREEN_STATE_OFF = 0x0;

		/**
		* Indicates that the screen has changed state and is now on.
		*
		* @see #onScreenStateChanged(int
		*/
		public static final int SCREEN_STATE_ON = 0x1;

		/**
		* Controls the over-scroll mode for this view.
		* See {@link #overScrollBy(int, int, int, int, int, int, int, int, boolean)},
		@@ -9603,6 +9617,25 @@ public class View implements Drawable.Callback, Drawable.Callback2, KeyEvent.Cal
		}
		}

		/**
		* @see #onScreenStateChanged(int)
		*/
		void dispatchScreenStateChanged(int screenState) {
		onScreenStateChanged(screenState);
		}

		/**
		* This method is called whenever the state of the screen this view is
		* attached to changes. A state change will usually occurs when the screen
		* turns on or off (whether it happens automatically or the user does it
		* manually.)
		*
		* @param screenState The new state of the screen. Can be either
		* {@link #SCREEN_STATE_ON} or {@link #SCREEN_STATE_OFF}
		*/
		public void onScreenStateChanged(int screenState) {
		}

		/**
		* Resolve and cache the layout direction. LTR is set initially. This is implicitly supposing
		* that the parent directionality can and will be resolved before its children.

core/java/android/view/ViewGroup.java

+11 −0

Original line number	Diff line number	Diff line
		@@ -2253,6 +2253,17 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
		}
		}

		@Override
		void dispatchScreenStateChanged(int screenState) {
		super.dispatchScreenStateChanged(screenState);

		final int count = mChildrenCount;
		final View[] children = mChildren;
		for (int i = 0; i < count; i++) {
		children[i].dispatchScreenStateChanged(screenState);
		}
		}

		@Override
		boolean dispatchPopulateAccessibilityEventInternal(AccessibilityEvent event) {
		boolean handled = super.dispatchPopulateAccessibilityEventInternal(event);

core/java/android/view/ViewRootImpl.java

+12 −9

Original line number	Diff line number	Diff line
		@@ -761,9 +761,12 @@ public final class ViewRootImpl implements ViewParent,
		scheduleTraversals();
		}

		void handleScreenStatusChange(boolean on) {
		void handleScreenStateChange(boolean on) {
		if (on != mAttachInfo.mScreenOn) {
		mAttachInfo.mScreenOn = on;
		if (mView != null) {
		mView.dispatchScreenStateChanged(on ? View.SCREEN_STATE_ON : View.SCREEN_STATE_OFF);
		}
		if (on) {
		mFullRedrawNeeded = true;
		scheduleTraversals();
		@@ -2500,7 +2503,7 @@ public final class ViewRootImpl implements ViewParent,
		private final static int MSG_FIND_ACCESSIBLITY_NODE_INFO_BY_VIEW_ID = 21;
		private final static int MSG_FIND_ACCESSIBLITY_NODE_INFO_BY_TEXT = 22;
		private final static int MSG_PROCESS_INPUT_EVENTS = 23;
		private final static int MSG_DISPATCH_SCREEN_STATUS = 24;
		private final static int MSG_DISPATCH_SCREEN_STATE = 24;

		final class ViewRootHandler extends Handler {
		@Override
		@@ -2757,9 +2760,9 @@ public final class ViewRootImpl implements ViewParent,
		.findAccessibilityNodeInfosByTextUiThread(msg);
		}
		} break;
		case MSG_DISPATCH_SCREEN_STATUS: {
		case MSG_DISPATCH_SCREEN_STATE: {
		if (mView != null) {
		handleScreenStatusChange(msg.arg1 == 1);
		handleScreenStateChange(msg.arg1 == 1);
		}
		} break;
		}
		@@ -4142,8 +4145,8 @@ public final class ViewRootImpl implements ViewParent,
		mHandler.sendMessage(msg);
		}

		public void dispatchScreenStatusChange(boolean on) {
		Message msg = mHandler.obtainMessage(MSG_DISPATCH_SCREEN_STATUS);
		public void dispatchScreenStateChange(boolean on) {
		Message msg = mHandler.obtainMessage(MSG_DISPATCH_SCREEN_STATE);
		msg.arg1 = on ? 1 : 0;
		mHandler.sendMessage(msg);
		}
		@@ -4349,10 +4352,10 @@ public final class ViewRootImpl implements ViewParent,
		}
		}

		public void dispatchScreenStatus(boolean on) {
		public void dispatchScreenState(boolean on) {
		final ViewRootImpl viewAncestor = mViewAncestor.get();
		if (viewAncestor != null) {
		viewAncestor.dispatchScreenStatusChange(on);
		viewAncestor.dispatchScreenStateChange(on);
		}
		}