Add m-esr52 at 52.6.0

4 files changed, 356 insertions, 0 deletions

diff --git a/mobile/android/base/java/org/mozilla/gecko/text/FloatingActionModeCallback.java b/mobile/android/base/java/org/mozilla/gecko/text/FloatingActionModeCallback.java
new file mode 100644
index 000000000..07f17590d
--- /dev/null
+++ b/mobile/android/base/java/org/mozilla/gecko/text/FloatingActionModeCallback.java
@@ -0,0 +1,69 @@
+/* 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.mozilla.gecko.text;
+
+import android.annotation.TargetApi;
+import android.graphics.Rect;
+import android.os.Build;
+import android.view.ActionMode;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+
+import org.mozilla.gecko.GeckoAppShell;
+
+import java.util.List;
+
+@TargetApi(Build.VERSION_CODES.M)
+public class FloatingActionModeCallback extends ActionMode.Callback2 {
+    private FloatingToolbarTextSelection textSelection;
+    private List<TextAction> actions;
+
+    public FloatingActionModeCallback(FloatingToolbarTextSelection textSelection, List<TextAction> actions) {
+        this.textSelection = textSelection;
+        this.actions = actions;
+    }
+
+    public void updateActions(List<TextAction> actions) {
+        this.actions = actions;
+    }
+
+    @Override
+    public boolean onCreateActionMode(ActionMode mode, Menu menu) {
+        return true;
+    }
+
+    @Override
+    public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
+        menu.clear();
+
+        for (int i = 0; i < actions.size(); i++) {
+            final TextAction action = actions.get(i);
+            menu.add(Menu.NONE, i, action.getFloatingOrder(), action.getLabel());
+        }
+
+        return true;
+    }
+
+    @Override
+    public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
+        final TextAction action = actions.get(item.getItemId());
+
+        GeckoAppShell.notifyObservers("TextSelection:Action", action.getId());
+
+        return true;
+    }
+
+    @Override
+    public void onDestroyActionMode(ActionMode mode) {}
+
+    @Override
+    public void onGetContentRect(ActionMode mode, View view, Rect outRect) {
+        final Rect contentRect = textSelection.contentRect;
+        if (contentRect != null) {
+            outRect.set(contentRect);
+        }
+    }
+}
diff --git a/mobile/android/base/java/org/mozilla/gecko/text/FloatingToolbarTextSelection.java b/mobile/android/base/java/org/mozilla/gecko/text/FloatingToolbarTextSelection.java
new file mode 100644
index 000000000..7a09624d4
--- /dev/null
+++ b/mobile/android/base/java/org/mozilla/gecko/text/FloatingToolbarTextSelection.java
@@ -0,0 +1,206 @@
+/* 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.mozilla.gecko.text;
+
+import android.annotation.TargetApi;
+import android.app.Activity;
+import android.graphics.Rect;
+import android.os.Build;
+import android.util.Log;
+import android.util.TypedValue;
+import android.view.ActionMode;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import org.mozilla.gecko.EventDispatcher;
+import org.mozilla.gecko.GeckoApp;
+import org.mozilla.gecko.GeckoAppShell;
+import org.mozilla.gecko.Telemetry;
+import org.mozilla.gecko.TelemetryContract;
+import org.mozilla.gecko.gfx.LayerView;
+import org.mozilla.gecko.util.GeckoEventListener;
+import org.mozilla.gecko.util.ThreadUtils;
+
+import java.util.List;
+
+import ch.boye.httpclientandroidlib.util.TextUtils;
+
+/**
+ * Floating toolbar for text selection actions. Only on Android 6+.
+ */
+@TargetApi(Build.VERSION_CODES.M)
+public class FloatingToolbarTextSelection implements TextSelection, GeckoEventListener {
+    private static final String LOGTAG = "GeckoFloatTextSelection";
+
+    // This is an additional offset we add to the height of the selection. This will avoid that the
+    // floating toolbar overlays the bottom handle(s).
+    private static final int HANDLES_OFFSET_DP = 20;
+
+    private final Activity activity;
+    private final LayerView layerView;
+    private final int[] locationInWindow;
+    private final float handlesOffset;
+
+    private ActionMode actionMode;
+    private FloatingActionModeCallback actionModeCallback;
+    private String selectionID;
+    /* package-private */ Rect contentRect;
+
+    public FloatingToolbarTextSelection(Activity activity, LayerView layerView) {
+        this.activity = activity;
+        this.layerView = layerView;
+        this.locationInWindow = new int[2];
+
+        this.handlesOffset = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
+                HANDLES_OFFSET_DP, activity.getResources().getDisplayMetrics());
+    }
+
+    @Override
+    public boolean dismiss() {
+        if (finishActionMode()) {
+            endTextSelection();
+            return true;
+        }
+
+        return false;
+    }
+
+    private void endTextSelection() {
+        if (TextUtils.isEmpty(selectionID)) {
+            return;
+        }
+
+        final JSONObject args = new JSONObject();
+        try {
+            args.put("selectionID", selectionID);
+        } catch (JSONException e) {
+            Log.e(LOGTAG, "Error building JSON arguments for TextSelection:End", e);
+            return;
+        }
+
+        GeckoAppShell.notifyObservers("TextSelection:End", args.toString());
+    }
+
+    @Override
+    public void create() {
+        registerForEvents();
+    }
+
+    @Override
+    public void destroy() {
+        unregisterFromEvents();
+    }
+
+    private void registerForEvents() {
+        GeckoApp.getEventDispatcher().registerGeckoThreadListener(this,
+                "TextSelection:ActionbarInit",
+                "TextSelection:ActionbarStatus",
+                "TextSelection:ActionbarUninit",
+                "TextSelection:Update",
+                "TextSelection:Visibility");
+    }
+
+    private void unregisterFromEvents() {
+        GeckoApp.getEventDispatcher().unregisterGeckoThreadListener(this,
+                "TextSelection:ActionbarInit",
+                "TextSelection:ActionbarStatus",
+                "TextSelection:ActionbarUninit",
+                "TextSelection:Update",
+                "TextSelection:Visibility");
+    }
+
+    @Override
+    public void handleMessage(final String event, final JSONObject message) {
+        ThreadUtils.postToUiThread(new Runnable() {
+            @Override
+            public void run() {
+                handleOnMainThread(event, message);
+            }
+        });
+    }
+
+    private void handleOnMainThread(final String event, final JSONObject message) {
+        if ("TextSelection:ActionbarInit".equals(event)) {
+            Telemetry.sendUIEvent(TelemetryContract.Event.SHOW,
+                TelemetryContract.Method.CONTENT, "text_selection");
+
+            selectionID = message.optString("selectionID");
+        } else if ("TextSelection:ActionbarStatus".equals(event)) {
+            // Ensure async updates from SearchService for example are valid.
+            if (selectionID != message.optString("selectionID")) {
+                return;
+            }
+
+            updateRect(message);
+
+            if (!isRectVisible()) {
+                finishActionMode();
+            } else {
+                startActionMode(TextAction.fromEventMessage(message));
+            }
+        } else if ("TextSelection:ActionbarUninit".equals(event)) {
+            finishActionMode();
+        } else if ("TextSelection:Update".equals(event)) {
+            startActionMode(TextAction.fromEventMessage(message));
+        } else if ("TextSelection:Visibility".equals(event)) {
+            finishActionMode();
+        }
+    }
+
+    private void startActionMode(List<TextAction> actions) {
+        if (actionMode != null) {
+            actionModeCallback.updateActions(actions);
+            actionMode.invalidate();
+            return;
+        }
+
+        actionModeCallback = new FloatingActionModeCallback(this, actions);
+        actionMode = activity.startActionMode(actionModeCallback, ActionMode.TYPE_FLOATING);
+    }
+
+    private boolean finishActionMode() {
+        if (actionMode != null) {
+            actionMode.finish();
+            actionMode = null;
+            actionModeCallback = null;
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * If the content rect is a point (left == right and top == bottom) then this means that the
+     * content rect is not in the currently visible part.
+     */
+    private boolean isRectVisible() {
+        // There's another case of an empty rect where just left == right but not top == bottom.
+        // That's the rect for a collapsed selection. While technically this rect isn't visible too
+        // we are not interested in this case because we do not want to hide the toolbar.
+        return contentRect.left != contentRect.right || contentRect.top != contentRect.bottom;
+    }
+
+    private void updateRect(JSONObject message) {
+        try {
+            final double x = message.getDouble("x");
+            final double y = (int) message.getDouble("y");
+            final double width = (int) message.getDouble("width");
+            final double height = (int) message.getDouble("height");
+
+            final float zoomFactor = layerView.getZoomFactor();
+            layerView.getLocationInWindow(locationInWindow);
+
+            contentRect = new Rect(
+                    (int) (x * zoomFactor + locationInWindow[0]),
+                    (int) (y * zoomFactor + locationInWindow[1]),
+                    (int) ((x + width) * zoomFactor + locationInWindow[0]),
+                    (int) ((y + height) * zoomFactor + locationInWindow[1] +
+                           (height > 0 ? handlesOffset : 0)));
+        } catch (JSONException e) {
+            Log.w(LOGTAG, "Could not calculate content rect", e);
+        }
+    }
+}
diff --git a/mobile/android/base/java/org/mozilla/gecko/text/TextAction.java b/mobile/android/base/java/org/mozilla/gecko/text/TextAction.java
new file mode 100644
index 000000000..9fcbce4a4
--- /dev/null
+++ b/mobile/android/base/java/org/mozilla/gecko/text/TextAction.java
@@ -0,0 +1,68 @@
+/* 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.mozilla.gecko.text;
+
+import android.util.Log;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Text selection action like "copy", "paste", ..
+ */
+public class TextAction {
+    private static final String LOGTAG = "GeckoTextAction";
+
+    private String id;
+    private String label;
+    private int order;
+    private int floatingOrder;
+
+    private TextAction() {}
+
+    public static List<TextAction> fromEventMessage(JSONObject message) {
+        final List<TextAction> actions = new ArrayList<>();
+
+        try {
+            final JSONArray array = message.getJSONArray("actions");
+
+            for (int i = 0; i < array.length(); i++) {
+                final JSONObject object = array.getJSONObject(i);
+
+                final TextAction action = new TextAction();
+                action.id = object.getString("id");
+                action.label = object.getString("label");
+                action.order = object.getInt("order");
+                action.floatingOrder = object.optInt("floatingOrder", i);
+
+                actions.add(action);
+            }
+        } catch (JSONException e) {
+            Log.w(LOGTAG, "Could not parse text actions", e);
+        }
+
+        return actions;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public String getLabel() {
+        return label;
+    }
+
+    public int getOrder() {
+        return order;
+    }
+
+    public int getFloatingOrder() {
+        return floatingOrder;
+    }
+}
diff --git a/mobile/android/base/java/org/mozilla/gecko/text/TextSelection.java b/mobile/android/base/java/org/mozilla/gecko/text/TextSelection.java
new file mode 100644
index 000000000..29e8e43f5
--- /dev/null
+++ b/mobile/android/base/java/org/mozilla/gecko/text/TextSelection.java
@@ -0,0 +1,13 @@
+/* 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.mozilla.gecko.text;
+
+public interface TextSelection {
+    void create();
+
+    boolean dismiss();
+
+    void destroy();
+}