1 files changed, 205 insertions, 0 deletions
diff --git a/android/experimental/LOAndroid3/src/java/org/libreoffice/overlay/DocumentOverlay.java b/android/experimental/LOAndroid3/src/java/org/libreoffice/overlay/DocumentOverlay.java
new file mode 100644
index 000000000000..d28f33d306e7
--- /dev/null
+++ b/android/experimental/LOAndroid3/src/java/org/libreoffice/overlay/DocumentOverlay.java
@@ -0,0 +1,205 @@
+/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+package org.libreoffice.overlay;
+
+import android.app.Activity;
+import android.graphics.RectF;
+import android.util.Log;
+
+import org.libreoffice.LOKitShell;
+import org.libreoffice.R;
+import org.libreoffice.canvas.SelectionHandle;
+import org.mozilla.gecko.gfx.Layer;
+import org.mozilla.gecko.gfx.LayerView;
+import org.mozilla.gecko.util.FloatUtils;
+
+import java.util.List;
+
+/**
+ * The DocumentOverlay is an overlay over the document. This class is responsible
+ * to setup the document overlay view, report visibility and position of its elements
+ * when they change and report any changes to the viewport.
+ */
+public class DocumentOverlay extends Layer {
+    private static final String LOGTAG = DocumentOverlay.class.getSimpleName();
+
+    private final DocumentOverlayView mCursorView;
+    private float mViewLeft;
+    private float mViewTop;
+    private float mViewZoom;
+
+    public DocumentOverlay(Activity context, LayerView layerView) {
+        mCursorView = (DocumentOverlayView) context.findViewById(R.id.text_cursor_view);
+        if (mCursorView == null) {
+            Log.e(LOGTAG, "Failed to initialize TextCursorLayer - CursorView is null");
+        }
+        layerView.addLayer(this);
+        mCursorView.initialize(layerView);
+    }
+
+    /**
+     * @see Layer#draw(org.mozilla.gecko.gfx.Layer.RenderContext)
+     */
+    @Override
+    public void draw(final RenderContext context) {
+        if (FloatUtils.fuzzyEquals(mViewLeft, context.viewport.left)
+                && FloatUtils.fuzzyEquals(mViewTop, context.viewport.top)
+                && FloatUtils.fuzzyEquals(mViewZoom, context.zoomFactor)) {
+            return;
+        }
+
+        mViewLeft = context.viewport.left;
+        mViewTop = context.viewport.top;
+        mViewZoom = context.zoomFactor;
+
+        LOKitShell.getMainHandler().post(new Runnable() {
+            public void run() {
+                mCursorView.repositionWithViewport(mViewLeft, mViewTop, mViewZoom);
+            }
+        });
+    }
+
+    /**
+     * Show the cursor at the defined cursor position on the overlay.
+     */
+    public void showCursor() {
+        LOKitShell.getMainHandler().post(new Runnable() {
+            public void run() {
+                mCursorView.showCursor();
+            }
+        });
+    }
+
+    /**
+     * Hide the cursor at the defined cursor position on the overlay.
+     */
+    public void hideCursor() {
+        LOKitShell.getMainHandler().post(new Runnable() {
+            public void run() {
+                mCursorView.hideCursor();
+            }
+        });
+    }
+
+    /**
+     * Position the cursor to the input position on the overlay.
+     */
+    public void positionCursor(final RectF position) {
+        LOKitShell.getMainHandler().post(new Runnable() {
+            public void run() {
+                mCursorView.changeCursorPosition(position);
+            }
+        });
+    }
+
+    /**
+     * Show selections on the overlay.
+     */
+    public void showSelections() {
+        LOKitShell.getMainHandler().post(new Runnable() {
+            public void run() {
+                mCursorView.showSelections();
+            }
+        });
+    }
+
+    /**
+     * Hide selections on the overlay.
+     */
+    public void hideSelections() {
+        LOKitShell.getMainHandler().post(new Runnable() {
+            public void run() {
+                mCursorView.hideSelections();
+            }
+        });
+    }
+
+    /**
+     * Change the list of selections.
+     */
+    public void changeSelections(final List<RectF> selections) {
+        LOKitShell.getMainHandler().post(new Runnable() {
+            public void run() {
+                mCursorView.changeSelections(selections);
+            }
+        });
+    }
+
+    /**
+     * Show the graphic selection on the overlay.
+     */
+    public void showGraphicSelection() {
+        LOKitShell.getMainHandler().post(new Runnable() {
+            public void run() {
+                mCursorView.showGraphicSelection();
+            }
+        });
+    }
+
+    /**
+     * Hide the graphic selection.
+     */
+    public void hideGraphicSelection() {
+        LOKitShell.getMainHandler().post(new Runnable() {
+            public void run() {
+                mCursorView.hideGraphicSelection();
+            }
+        });
+    }
+
+    /**
+     * Change the graphic selection rectangle to the input rectangle.
+     */
+    public void changeGraphicSelection(final RectF rectangle) {
+        LOKitShell.getMainHandler().post(new Runnable() {
+            public void run() {
+                mCursorView.changeGraphicSelection(rectangle);
+            }
+        });
+    }
+
+    /**
+     * Show the handle (of input type) on the overlay.
+     */
+    public void showHandle(final SelectionHandle.HandleType type) {
+        LOKitShell.getMainHandler().post(new Runnable() {
+            public void run() {
+                mCursorView.showHandle(type);
+            }
+        });
+    }
+
+    /**
+     * Hide the handle (of input type).
+     */
+    public void hideHandle(final SelectionHandle.HandleType type) {
+        LOKitShell.getMainHandler().post(new Runnable() {
+            public void run() {
+                mCursorView.hideHandle(type);
+            }
+        });
+    }
+
+    /**
+     * Position the handle (of input type) position to the input rectangle.
+     */
+    public void positionHandle(final SelectionHandle.HandleType type, final RectF rectangle) {
+        LOKitShell.getMainHandler().post(new Runnable() {
+            public void run() {
+                mCursorView.positionHandle(type, rectangle);
+            }
+        });
+    }
+
+    public RectF getCursorPosition() {
+        return mCursorView.getCursorPosition();
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */