[Pardus] tdf#112482 ability to add slides to impress

This patch is sponsored by ULAKBIM/PARDUS project.
Signed-off-by: Mert Tümer <merttumer7@gmail.com>

Change-Id: I3c8b55d032604b30117573ac447776a1a0e5205f
Reviewed-on: https://gerrit.libreoffice.org/48500
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>

android/source/res/menu/main.xml

@@ -35,6 +35,11 @@
         <item android:id="@+id/action_save"
             android:title="@string/action_save"
             android:orderInCategory="100" />
+
+        <item android:id="@+id/action_add_slide"
+            android:title="@string/action_add_slide"
+            android:orderInCategory="100"
+            android:enabled="false" />
     </group>
 
 

android/source/res/values/strings.xml

@@ -136,6 +136,7 @@
 
     <!-- Presentation Mode Strings -->
     <string name="action_presentation">Slide show</string>
+    <string name="action_add_slide">Add Slide</string>
     <string name="alert_copy_svg_slide_show_to_clipboard">Your Android device doesn\'t support in-app svg slideshow. We copied the slideshow link to clipboard. Please press home button, open a modern web browser, paste in the address bar, and go.</string>
     <string name="alert_copy_svg_slide_show_to_clipboard_dismiss">OK</string>
     <string name="slideshow_action_back">Back</string>

android/source/src/java/org/libreoffice/LOKitTileProvider.java

@@ -114,6 +114,7 @@ class LOKitTileProvider implements TileProvider {
 
         if (mDocument.getDocumentType() == Document.DOCTYPE_PRESENTATION) {
             mContext.getToolbarController().disableMenuItem(R.id.action_presentation, false);
+            mContext.getToolbarController().disableMenuItem(R.id.action_add_slide, false);
         }
 
         // Writer documents always have one part, so hide the navigation drawer.
@@ -160,6 +161,19 @@ class LOKitTileProvider implements TileProvider {
         });
     }
 
+    public void addPart(){
+        int parts = mDocument.getParts();
+        LOKitShell.sendEvent(new LOEvent(LOEvent.UNO_COMMAND, ".uno:InsertPage"));
+        String partName = mDocument.getPartName(parts);
+        if (partName.isEmpty()) {
+            partName = getGenericPartName(parts);
+        }
+        mDocument.setPart(parts);
+        resetDocumentSize();
+        final DocumentPartView partView = new DocumentPartView(parts, partName);
+        mContext.getDocumentPartView().add(partView);
+    }
+
     @Override
     public void saveDocumentAs(String filePath, String format) {
         final String newFilePath = "file://" + filePath;

android/source/src/java/org/libreoffice/LibreOfficeMainActivity.java

@@ -685,6 +685,12 @@ public class LibreOfficeMainActivity extends AppCompatActivity implements Settin
         aboutDialogFragment.show(getSupportFragmentManager(), "AboutDialogFragment");
     }
 
+    public void addSlide(){
+        mTileProvider.addPart();
+        mDocumentPartViewListAdapter.notifyDataSetChanged();
+        setDocumentChanged(true);
+    }
+
     public void showSettings() {
         startActivity(new Intent(getApplicationContext(), SettingsActivity.class));
     }

android/source/src/java/org/libreoffice/ToolbarController.java

@@ -135,6 +135,9 @@ public class ToolbarController implements Toolbar.OnMenuItemClickListener {
             case R.id.action_presentation:
                 mContext.preparePresentation();
                 return true;
+            case R.id.action_add_slide:
+                mContext.addSlide();
+                return true;
         }
         return false;
     }