Fix another issue that DocUI may not refresh on content change. (a5a00d00) · Commits · e / os / android_packages_apps_DocumentsUI

src/com/android/documentsui/DirectoryReloadLock.java

+7 −0

Original line number	Diff line number	Diff line
		@@ -16,8 +16,11 @@

		package com.android.documentsui;

		import static com.android.documentsui.base.Shared.DEBUG;

		import android.annotation.MainThread;
		import android.annotation.Nullable;
		import android.util.Log;

		import com.android.documentsui.base.Shared;
		import com.android.documentsui.selection.BandController;
		@@ -27,6 +30,8 @@ import com.android.documentsui.selection.BandController;
		* while Band Selection is active.
		*/
		public final class DirectoryReloadLock {
		private static final String TAG = "DirectoryReloadLock";

		private int mPauseCount = 0;
		private @Nullable Runnable mCallback;

		@@ -37,6 +42,7 @@ public final class DirectoryReloadLock {
		public void block() {
		Shared.checkMainLoop();
		mPauseCount++;
		if (DEBUG) Log.v(TAG, "Block count increments to " + mPauseCount + ".");
		}

		/**
		@@ -48,6 +54,7 @@ public final class DirectoryReloadLock {
		Shared.checkMainLoop();
		assert(mPauseCount > 0);
		mPauseCount--;
		if (DEBUG) Log.v(TAG, "Block count decrements to " + mPauseCount + ".");
		if (mPauseCount == 0 && mCallback != null) {
		mCallback.run();
		mCallback = null;

src/com/android/documentsui/selection/GestureSelector.java

+27 −16

Original line number	Diff line number	Diff line
		@@ -128,10 +128,6 @@ public final class GestureSelector {
		handled = handleInterceptedDownEvent(e);
		}

		if (e.isActionUp()) {
		handled = handleUpEvent(e);
		}

		if (e.isActionMove()) {
		handled = handleInterceptedMoveEvent(e);
		}
		@@ -148,6 +144,10 @@ public final class GestureSelector {
		handleUpEvent(e);
		}

		if (e.isActionCancel()) {
		handleCancelEvent(e);
		}

		if (e.isActionMove()) {
		handleOnTouchMoveEvent(rv, e);
		}
		@@ -175,17 +175,28 @@ public final class GestureSelector {
		return false;
		}

		// Called when ACTION_UP event is intercepted.
		// Essentially, since this means all gesture movement is over, reset everything.
		private boolean handleUpEvent(InputEvent e) {
		// Called when ACTION_UP event is to be handled.
		// Essentially, since this means all gesture movement is over, reset everything and apply
		// provisional selection.
		private void handleUpEvent(InputEvent e) {
		mSelectionMgr.getSelection().applyProvisionalSelection();
		endSelection();
		}

		// Called when ACTION_CANCEL event is to be handled.
		// This means this gesture selection is aborted, so reset everything and abandon provisional
		// selection.
		private void handleCancelEvent(InputEvent e) {
		mSelectionMgr.cancelProvisionalSelection();
		endSelection();
		}

		private void endSelection() {
		assert(mStarted);
		mLastStartedItemPos = -1;
		if (mStarted) {
		mStarted = false;
		mSelectionMgr.getSelection().applyProvisionalSelection();
		mLock.unblock();
		}
		return false;
		}

		// Call when an intercepted ACTION_MOVE event is passed down.
		// At this point, we are sure user wants to gesture multi-select.

src/com/android/documentsui/selection/SelectionManager.java

+8 −1

Original line number	Diff line number	Diff line
		@@ -322,6 +322,13 @@ public final class SelectionManager {
		notifySelectionChanged();
		}

		void cancelProvisionalSelection() {
		for (String id : mSelection.mProvisionalSelection) {
		notifyItemStateChanged(id, false);
		}
		mSelection.cancelProvisionalSelection();
		}

		/**
		* Stops an in-progress range selection. All selection done with
		* {@link #snapRangeSelection(int, int)} with type RANGE_PROVISIONAL will be lost if
		@@ -330,7 +337,7 @@ public final class SelectionManager {
		public void endRangeSelection() {
		mRanger = null;
		// Clean up in case there was any leftover provisional selection
		mSelection.cancelProvisionalSelection();
		cancelProvisionalSelection();
		}

		/**