Add ContextMenu support upstream for Android

chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuParams.java

Index: chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuParams.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuParams.java b/chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuParams.java
new file mode 100644
index 0000000000000000000000000000000000000000..6d396f7c3561906d2a1c7772331ab8d87914d8f4
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuParams.java
@@ -0,0 +1,176 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.chrome.browser.contextmenu;
+
+import android.text.TextUtils;
+
+import org.chromium.base.CalledByNative;
+import org.chromium.base.JNINamespace;
+
+import java.util.ArrayList;
+
+/**
+ * A list of parameters that explain what kind of context menu to show the user.  This data is
+ * generated from content/public/common/context_menu_params.h.
+ */
+@JNINamespace("ContextMenuParamsAndroid")
+public class ContextMenuParams {
+    /** Must correspond to the MediaType enum in WebKit/chromium/public/WebContextMenuData.h */
+    @SuppressWarnings("unused")
+    private static interface MediaType {
+        public static final int MEDIA_TYPE_NONE = 0;
+        public static final int MEDIA_TYPE_IMAGE = 1;
+        public static final int MEDIA_TYPE_VIDEO = 2;
+        public static final int MEDIA_TYPE_AUDIO = 3;
+        public static final int MEDIA_TYPE_FILE = 4;
+        public static final int MEDIA_TYPE_PLUGIN = 5;
+    }
+
+    private static class CustomMenuItem {
+        public final String label;
+        public final int action;
+
+        public CustomMenuItem(String label, int action) {
+            this.label = label;
+            this.action = action;
+        }
+    }
+
+    private final String mLinkUrl;
+    private final String mLinkText;
+    private final String mUnfilteredLinkUrl;
+    private final String mSrcUrl;
+    private final boolean mIsEditable;
+
+    private final boolean mIsAnchor;
+    private final boolean mIsSelectedText;
+    private final boolean mIsImage;
+    private final boolean mIsVideo;
+
+    private final ArrayList<CustomMenuItem> mCustomMenuItems = new ArrayList<CustomMenuItem>();
+
+    /**
+     * @return Whether or not the context menu should consist of custom items.
+     */
+    public boolean isCustomMenu() {
+        return !mCustomMenuItems.isEmpty();
+    }
+
+    /**
+     * @return The number of custom items in this context menu.
+     */
+    public int getCustomMenuSize() {
+        return mCustomMenuItems.size();
+    }
+
+    /**
+     * The label that should be shown for the custom menu item at {@code index}.
+     * @param index The index of the custom menu item.
+     * @return      The label to show.
+     */
+    public String getCustomLabelAt(int index) {
+        assert index >= 0 && index < mCustomMenuItems.size();
+        return mCustomMenuItems.get(index).label;
+    }
+
+    /**
+     * The action that should be returned for the custom menu item at {@code index}.
+     * @param index The index of the custom menu item.
+     * @return      The action to return.
+     */
+    public int getCustomActionAt(int index) {
+        assert index >= 0 && index < mCustomMenuItems.size();
+        return mCustomMenuItems.get(index).action;
+    }
+
+    /**
+     * @return The link URL, if any.
+     */
+    public String getLinkUrl() {
+        return mLinkUrl;
+    }
+
+    /**
+     * @return The link text, if any.
+     */
+    public String getLinkText() {
+        return mLinkText;
+    }
+
+    /**
+     * @return The unfiltered link URL, if any.
+     */
+    public String getUnfilteredLinkUrl() {
+        return mUnfilteredLinkUrl;
+    }
+
+    /**
+     * @return The source URL.
+     */
+    public String getSrcUrl() {
+        return mSrcUrl;
+    }
+
+    /**
+     * @return Whether or not the context menu is being shown for an editable piece of content.
+     */
+    public boolean isEditable() {
+        return mIsEditable;
+    }
+
+    /**
+     * @return Whether or not the context menu is being shown for an anchor.
+     */
+    public boolean isAnchor() {
+        return mIsAnchor;
+    }
+
+    /**
+     * @return Whether or not the context menu is being shown for selected text.
+     */
+    public boolean isSelectedText() {
+        return mIsSelectedText;
+    }
+
+    /**
+     * @return Whether or not the context menu is being shown for an image.
+     */
+    public boolean isImage() {
+        return mIsImage;
+    }
+
+    /**
+     * @return Whether or not the context menu is being shown for a video.
+     */
+    public boolean isVideo() {
+        return mIsVideo;
+    }
+
+    private ContextMenuParams(int mediaType, String linkUrl, String linkText,
+            String unfilteredLinkUrl, String srcUrl, String selectionText, boolean isEditable) {
+        mLinkUrl = linkUrl;
+        mLinkText = linkText;
+        mUnfilteredLinkUrl = unfilteredLinkUrl;
+        mSrcUrl = srcUrl;
+        mIsEditable = isEditable;
+
+        mIsAnchor = !TextUtils.isEmpty(linkUrl);
+        mIsSelectedText = !TextUtils.isEmpty(selectionText);
+        mIsImage = mediaType == MediaType.MEDIA_TYPE_IMAGE;
+        mIsVideo = mediaType == MediaType.MEDIA_TYPE_VIDEO;
+    }
+
+    @CalledByNative
+    private static ContextMenuParams create(int mediaType, String linkUrl, String linkText,
+            String unfilteredLinkUrl, String srcUrl, String selectionText, boolean isEditable) {
+        return new ContextMenuParams(mediaType, linkUrl, linkText, unfilteredLinkUrl, srcUrl,
+                selectionText, isEditable);
+    }
+
+    @CalledByNative
+    private void addCustomItem(String label, int action) {
+        mCustomMenuItems.add(new CustomMenuItem(label, action));
+    }
+}