Add flags for quick viewer to indicate capabilities of a document.

Replace the QUICK_VIEW_ADVANCED extra.

Also restrict quick viewers not to send file content out of the device.

Test: It builds.
Bug: 36484539
Bug: 36755024
Change-Id: I921230eac6e497a615624202c741ef03432b2690

1 files changed, 68 insertions, 0 deletions

diff --git a/core/java/android/content/QuickViewConstants.java b/core/java/android/content/QuickViewConstants.java
new file mode 100644
index 000000000000..7455d0cb0944
--- /dev/null
+++ b/core/java/android/content/QuickViewConstants.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.content;
+
+/**
+ * Constants for {@link Intent#ACTION_QUICK_VIEW}.
+ */
+public class QuickViewConstants {
+
+    private QuickViewConstants() {}
+
+    /**
+     * Feature to view a document using system standard viewing mechanism, like
+     * {@link Intent#ACTION_VIEW}.
+     *
+     * @see Intent#EXTRA_QUICK_VIEW_FEATURES
+     * @see Intent#ACTION_QUICK_VIEW
+     */
+    public static final String FEATURE_VIEW = "android:view";
+
+    /**
+     * Feature to view a document using system standard editing mechanism, like
+     * {@link Intent#ACTION_EDIT}.
+     *
+     * @see Intent#EXTRA_QUICK_VIEW_FEATURES
+     * @see Intent#ACTION_QUICK_VIEW
+     */
+    public static final String FEATURE_EDIT = "android:edit";
+
+    /**
+     * Feature to view a document using system standard sending mechanism, like
+     * {@link Intent#ACTION_SEND}.
+     *
+     * @see Intent#EXTRA_QUICK_VIEW_FEATURES
+     * @see Intent#ACTION_QUICK_VIEW
+     */
+    public static final String FEATURE_SEND = "android:send";
+
+    /**
+     * Feature to download a document to the local file system.
+     *
+     * @see Intent#EXTRA_QUICK_VIEW_FEATURES
+     * @see Intent#ACTION_QUICK_VIEW
+     */
+    public static final String FEATURE_DOWNLOAD = "android:download";
+
+    /**
+     * Feature to print a document.
+     *
+     * @see Intent#EXTRA_QUICK_VIEW_FEATURES
+     * @see Intent#ACTION_QUICK_VIEW
+     */
+    public static final String FEATURE_PRINT = "android:print";
+}