Implement cropping of windows based on system UI elements. (3556c9a8) · Commits · e / os / android_frameworks_base

core/java/android/view/View.java

+6 −0

Original line number	Diff line number	Diff line
		@@ -16820,6 +16820,12 @@ public class View implements Drawable.Callback, Drawable.Callback2, KeyEvent.Cal
		*/
		boolean mUse32BitDrawingCache;

		/**
		* Describes the parts of the window that are currently completely
		* obscured by system UI elements.
		*/
		final Rect mSystemInsets = new Rect();

		/**
		* For windows that are full-screen but using insets to layout inside
		* of the screen decorations, these are the current insets for the

core/java/android/view/ViewRootImpl.java

+41 −12

Original line number	Diff line number	Diff line
		@@ -262,6 +262,7 @@ public final class ViewRootImpl implements ViewParent,
		final Rect mPendingVisibleInsets = new Rect();
		final Rect mPendingContentInsets = new Rect();
		final Rect mPendingSystemInsets = new Rect();
		final Rect mActiveRect = new Rect();
		final ViewTreeObserver.InternalInsetsInfo mLastGivenInsets
		= new ViewTreeObserver.InternalInsetsInfo();

		@@ -271,7 +272,8 @@ public final class ViewRootImpl implements ViewParent,
		final Configuration mPendingConfiguration = new Configuration();

		class ResizedInfo {
		Rect coveredInsets;
		Rect systemInsets;
		Rect contentInsets;
		Rect visibleInsets;
		Configuration newConfig;
		}
		@@ -567,6 +569,7 @@ public final class ViewRootImpl implements ViewParent,
		if (mTranslator != null) {
		mTranslator.translateRectInScreenToAppWindow(mAttachInfo.mContentInsets);
		}
		mPendingSystemInsets.set(0, 0, 0, 0);
		mPendingContentInsets.set(mAttachInfo.mContentInsets);
		mPendingVisibleInsets.set(0, 0, 0, 0);
		if (DEBUG_LAYOUT) Log.v(TAG, "Added window " + mWindow);
		@@ -1222,6 +1225,7 @@ public final class ViewRootImpl implements ViewParent,
		getRunQueue().executeActions(attachInfo.mHandler);

		boolean insetsChanged = false;
		boolean activeRectChanged = false;

		boolean layoutRequested = mLayoutRequested && !mStopped;
		if (layoutRequested) {
		@@ -1233,7 +1237,12 @@ public final class ViewRootImpl implements ViewParent,
		// to opposite of the added touch mode.
		mAttachInfo.mInTouchMode = !mAddedTouchMode;
		ensureTouchModeLocally(mAddedTouchMode);
		activeRectChanged = true;
		} else {
		if (!mPendingSystemInsets.equals(mAttachInfo.mSystemInsets)) {
		mAttachInfo.mSystemInsets.set(mPendingSystemInsets);
		activeRectChanged = true;
		}
		if (!mPendingContentInsets.equals(mAttachInfo.mContentInsets)) {
		insetsChanged = true;
		}
		@@ -1387,6 +1396,10 @@ public final class ViewRootImpl implements ViewParent,
		mPendingConfiguration.seq = 0;
		}

		if (!mPendingSystemInsets.equals(mAttachInfo.mSystemInsets)) {
		activeRectChanged = true;
		mAttachInfo.mSystemInsets.set(mPendingSystemInsets);
		}
		contentInsetsChanged = !mPendingContentInsets.equals(
		mAttachInfo.mContentInsets);
		visibleInsetsChanged = !mPendingVisibleInsets.equals(
		@@ -1489,6 +1502,7 @@ public final class ViewRootImpl implements ViewParent,
		// before actually drawing them, so it can display then
		// all at once.
		newSurface = true;
		activeRectChanged = true;
		mFullRedrawNeeded = true;
		mPreviousTransparentRegion.setEmpty();

		@@ -1553,8 +1567,11 @@ public final class ViewRootImpl implements ViewParent,
		// !!FIXME!! This next section handles the case where we did not get the
		// window size we asked for. We should avoid this by getting a maximum size from
		// the window session beforehand.
		if (mWidth != frame.width() \|\| mHeight != frame.height()) {
		activeRectChanged = true;
		mWidth = frame.width();
		mHeight = frame.height();
		}

		if (mSurfaceHolder != null) {
		// The app owns the surface; tell it about what is going on.
		@@ -1670,6 +1687,14 @@ public final class ViewRootImpl implements ViewParent,
		}
		}

		if (activeRectChanged && mSurface.isValid()) {
		mActiveRect.set(attachInfo.mSystemInsets.left, attachInfo.mSystemInsets.top,
		mWidth - attachInfo.mSystemInsets.right,
		mHeight - attachInfo.mSystemInsets.bottom);
		//Log.i(TAG, "Active rect " + mWindowAttributes.getTitle() + ": " + mActiveRect);
		mSurface.setActiveRect(mActiveRect);
		}

		final boolean didLayout = layoutRequested && !mStopped;
		boolean triggerGlobalLayoutListener = didLayout
		\|\| attachInfo.mRecomputeGlobalAttributes;
		@@ -2784,7 +2809,8 @@ public final class ViewRootImpl implements ViewParent,
		ResizedInfo ri = (ResizedInfo)msg.obj;

		if (mWinFrame.width() == msg.arg1 && mWinFrame.height() == msg.arg2
		&& mPendingContentInsets.equals(ri.coveredInsets)
		&& mPendingSystemInsets.equals(ri.systemInsets)
		&& mPendingContentInsets.equals(ri.contentInsets)
		&& mPendingVisibleInsets.equals(ri.visibleInsets)
		&& ((ResizedInfo)msg.obj).newConfig == null) {
		break;
		@@ -2800,7 +2826,8 @@ public final class ViewRootImpl implements ViewParent,
		mWinFrame.right = msg.arg1;
		mWinFrame.top = 0;
		mWinFrame.bottom = msg.arg2;
		mPendingContentInsets.set(((ResizedInfo)msg.obj).coveredInsets);
		mPendingSystemInsets.set(((ResizedInfo)msg.obj).systemInsets);
		mPendingContentInsets.set(((ResizedInfo)msg.obj).contentInsets);
		mPendingVisibleInsets.set(((ResizedInfo)msg.obj).visibleInsets);
		if (msg.what == MSG_RESIZED_REPORT) {
		mReportNextDraw = true;
		@@ -4009,15 +4036,16 @@ public final class ViewRootImpl implements ViewParent,
		mHandler.sendMessage(msg);
		}

		public void dispatchResized(int w, int h, Rect coveredInsets,
		public void dispatchResized(int w, int h, Rect systemInsets, Rect contentInsets,
		Rect visibleInsets, boolean reportDraw, Configuration newConfig) {
		if (DEBUG_LAYOUT) Log.v(TAG, "Resizing " + this + ": w=" + w
		+ " h=" + h + " coveredInsets=" + coveredInsets.toShortString()
		+ " h=" + h + " systemInsets=" + systemInsets.toShortString()
		+ " contentInsets=" + contentInsets.toShortString()
		+ " visibleInsets=" + visibleInsets.toShortString()
		+ " reportDraw=" + reportDraw);
		Message msg = mHandler.obtainMessage(reportDraw ? MSG_RESIZED_REPORT :MSG_RESIZED);
		if (mTranslator != null) {
		mTranslator.translateRectInScreenToAppWindow(coveredInsets);
		mTranslator.translateRectInScreenToAppWindow(contentInsets);
		mTranslator.translateRectInScreenToAppWindow(visibleInsets);
		w *= mTranslator.applicationInvertedScale;
		h *= mTranslator.applicationInvertedScale;
		@@ -4025,7 +4053,8 @@ public final class ViewRootImpl implements ViewParent,
		msg.arg1 = w;
		msg.arg2 = h;
		ResizedInfo ri = new ResizedInfo();
		ri.coveredInsets = new Rect(coveredInsets);
		ri.systemInsets = new Rect(systemInsets);
		ri.contentInsets = new Rect(contentInsets);
		ri.visibleInsets = new Rect(visibleInsets);
		ri.newConfig = newConfig;
		msg.obj = ri;
		@@ -4676,8 +4705,8 @@ public final class ViewRootImpl implements ViewParent,
		Rect visibleInsets, boolean reportDraw, Configuration newConfig) {
		final ViewRootImpl viewAncestor = mViewAncestor.get();
		if (viewAncestor != null) {
		viewAncestor.dispatchResized(w, h, contentInsets, visibleInsets, reportDraw,
		newConfig);
		viewAncestor.dispatchResized(w, h, systemInsets, contentInsets,
		visibleInsets, reportDraw, newConfig);
		}
		}