Listen to media mount unmount broadcast (7341f1d3) · Commits · e / os / android_packages_apps_DocumentsUI

src/com/android/documentsui/dirlist/DirectoryFragment.java

+45 −15

Original line number	Diff line number	Diff line
		@@ -132,6 +132,7 @@ public class DirectoryFragment extends Fragment implements SwipeRefreshLayout.On
		})
		@Retention(RetentionPolicy.SOURCE)
		public @interface RequestCode {}

		public static final int REQUEST_COPY_DESTINATION = 1;

		static final String TAG = "DirectoryFragment";
		@@ -140,6 +141,9 @@ public class DirectoryFragment extends Fragment implements SwipeRefreshLayout.On
		private static final int REFRESH_SPINNER_TIMEOUT = 500;
		private static final int PROVIDER_MAX_RETRIES = 10;
		private static final long PROVIDER_TEST_DELAY = 4000;
		private static final String ACTION_MEDIA_REMOVED = "android.intent.action.MEDIA_REMOVED";
		private static final String ACTION_MEDIA_MOUNTED = "android.intent.action.MEDIA_MOUNTED";
		private static final String ACTION_MEDIA_EJECT = "android.intent.action.MEDIA_EJECT";

		private BaseActivity mActivity;

		@@ -257,6 +261,22 @@ public class DirectoryFragment extends Fragment implements SwipeRefreshLayout.On
		}
		};

		private final BroadcastReceiver mSdCardBroadcastReceiver = new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
		onRefresh();
		}
		};

		private IntentFilter getSdCardStateChangeFilter() {
		IntentFilter sdCardStateChangeFilter = new IntentFilter();
		sdCardStateChangeFilter.addAction(ACTION_MEDIA_REMOVED);
		sdCardStateChangeFilter.addAction(ACTION_MEDIA_MOUNTED);
		sdCardStateChangeFilter.addAction(ACTION_MEDIA_EJECT);
		sdCardStateChangeFilter.addDataScheme("file");
		return sdCardStateChangeFilter;
		}

		private void checkUriAndScheduleCheckIfNeeded(UserId userId) {
		RootInfo currentRoot = mActivity.getCurrentRoot();
		DocumentInfo currentDoc = mActivity.getDisplayState().stack.peek();
		@@ -390,6 +410,7 @@ public class DirectoryFragment extends Fragment implements SwipeRefreshLayout.On
		mHandler.removeCallbacks(mProviderTestRunnable);
		}
		}
		getContext().unregisterReceiver(mSdCardBroadcastReceiver);

		// Cancel any outstanding thumbnail requests
		final int count = mRecView.getChildCount();
		@@ -555,6 +576,7 @@ public class DirectoryFragment extends Fragment implements SwipeRefreshLayout.On
		// roots are updated.
		LocalBroadcastManager.getInstance(mActivity).registerReceiver(mReceiver, filter);
		}
		getContext().registerReceiver(mSdCardBroadcastReceiver, getSdCardStateChangeFilter());
		}

		@Override
		@@ -672,6 +694,7 @@ public class DirectoryFragment extends Fragment implements SwipeRefreshLayout.On

		/**
		* Updates the layout after the view mode switches.
		*
		* @param mode The new view mode.
		*/
		private void updateLayout(@ViewMode int mode) {
		@@ -705,21 +728,26 @@ public class DirectoryFragment extends Fragment implements SwipeRefreshLayout.On

		/**
		* Updates the layout after the view mode switches.
		*
		* @param mode The new view mode.
		*/
		private void scaleLayout(float scale) {
		assert DEBUG;

		if (VERBOSE) Log.v(
		if (VERBOSE) {
		Log.v(
		TAG, "Handling scale event: " + scale + ", existing scale: " + mLiveScale);
		}

		if (mMode == MODE_GRID) {
		float minScale = getFraction(R.fraction.grid_scale_min);
		float maxScale = getFraction(R.fraction.grid_scale_max);
		float nextScale = mLiveScale * scale;

		if (VERBOSE) Log.v(TAG,
		if (VERBOSE) {
		Log.v(TAG,
		"Next scale " + nextScale + ", Min/max scale " + minScale + "/" + maxScale);
		}

		if (nextScale > minScale && nextScale < maxScale) {
		if (DEBUG) {
		@@ -1170,6 +1198,7 @@ public class DirectoryFragment extends Fragment implements SwipeRefreshLayout.On

		/**
		* Gets the model ID for a given RecyclerView item.
		*
		* @param view A View that is a document item view, or a child of a document item view.
		* @return The Model ID for the given document, or null if the given view is not associated with
		* a document item view.
		@@ -1250,6 +1279,7 @@ public class DirectoryFragment extends Fragment implements SwipeRefreshLayout.On
		ft.commitAllowingStateLoss();
		}

		/** Gets the fragment from the fragment manager. */
		public static @Nullable DirectoryFragment get(FragmentManager fm) {
		// TODO: deal with multiple directories shown at once
		Fragment fragment = fm.findFragmentById(getFragmentId());