Android native message dialog

Change-Id: Ief8c3ce3b8683c6960f046245844c1835a327d51
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>

3 files changed, 429 insertions, 3 deletions

diff --git a/src/android/jar/jar.pri b/src/android/jar/jar.pri
index 19501d7b29..5906231c73 100644
--- a/src/android/jar/jar.pri
+++ b/src/android/jar/jar.pri
@@ -9,6 +9,7 @@ JAVASOURCES += \
     $$PATHPREFIX/QtEditText.java \
     $$PATHPREFIX/QtInputConnection.java \
     $$PATHPREFIX/QtLayout.java \
+    $$PATHPREFIX/QtMessageDialogHelper.java \
     $$PATHPREFIX/QtNative.java \
     $$PATHPREFIX/QtNativeLibrariesDir.java \
     $$PATHPREFIX/QtSurface.java
diff --git a/src/android/jar/src/org/qtproject/qt5/android/QtMessageDialogHelper.java b/src/android/jar/src/org/qtproject/qt5/android/QtMessageDialogHelper.java
new file mode 100644
index 0000000000..6ee1304c12
--- /dev/null
+++ b/src/android/jar/src/org/qtproject/qt5/android/QtMessageDialogHelper.java
@@ -0,0 +1,425 @@
+/****************************************************************************
+ **
+ ** Copyright (C) 2013 BogDan Vatra <bogdan@kde.org>
+ ** Contact: http://www.qt-project.org/legal
+ **
+ ** This file is part of the Android port of the Qt Toolkit.
+ **
+ ** $QT_BEGIN_LICENSE:LGPL$
+ ** Commercial License Usage
+ ** Licensees holding valid commercial Qt licenses may use this file in
+ ** accordance with the commercial license agreement provided with the
+ ** Software or, alternatively, in accordance with the terms contained in
+ ** a written agreement between you and Digia.  For licensing terms and
+ ** conditions see http://qt.digia.com/licensing.  For further information
+ ** use the contact form at http://qt.digia.com/contact-us.
+ **
+ ** GNU Lesser General Public License Usage
+ ** Alternatively, this file may be used under the terms of the GNU Lesser
+ ** General Public License version 2.1 as published by the Free Software
+ ** Foundation and appearing in the file LICENSE.LGPL included in the
+ ** packaging of this file.  Please review the following information to
+ ** ensure the GNU Lesser General Public License version 2.1 requirements
+ ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+ **
+ ** In addition, as a special exception, Digia gives you certain additional
+ ** rights.  These rights are described in the Digia Qt LGPL Exception
+ ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+ **
+ ** GNU General Public License Usage
+ ** Alternatively, this file may be used under the terms of the GNU
+ ** General Public License version 3.0 as published by the Free Software
+ ** Foundation and appearing in the file LICENSE.GPL included in the
+ ** packaging of this file.  Please review the following information to
+ ** ensure the GNU General Public License version 3.0 requirements will be
+ ** met: http://www.gnu.org/copyleft/gpl.html.
+ **
+ **
+ ** $QT_END_LICENSE$
+ **
+ ****************************************************************************/
+
+
+package org.qtproject.qt5.android;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.res.Resources;
+import android.content.res.TypedArray;
+import android.graphics.drawable.Drawable;
+import android.os.Build;
+import android.text.ClipboardManager;
+import android.util.TypedValue;
+import android.view.View;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.RelativeLayout;
+import android.widget.ScrollView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import java.util.ArrayList;
+
+class QtNativeDialogHelper
+{
+    static native void dialogResult(long handler, int buttonID);
+}
+
+class ButtonStruct implements View.OnClickListener
+{
+    ButtonStruct(QtMessageDialogHelper dialog, int id, String text)
+    {
+        m_dialog = dialog;
+        m_id = id;
+        m_text = text;
+    }
+    QtMessageDialogHelper m_dialog;
+    private int m_id;
+    String m_text;
+
+    @Override
+    public void onClick(View view) {
+        QtNativeDialogHelper.dialogResult(m_dialog.handler(), m_id);
+    }
+}
+
+public class QtMessageDialogHelper
+{
+
+    public QtMessageDialogHelper(Activity activity)
+    {
+        m_activity = activity;
+    }
+
+
+    public void setIcon(int icon)
+    {
+        m_icon = icon;
+
+    }
+
+    private Drawable getIconDrawable()
+    {
+        if (m_icon == 0)
+            return null;
+
+        if (Build.VERSION.SDK_INT > 10) {
+            try {
+                TypedValue typedValue = new TypedValue();
+                m_theme.resolveAttribute(Class.forName("android.R$attr").getDeclaredField("alertDialogIcon").getInt(null), typedValue, true);
+                return m_activity.getResources().getDrawable(typedValue.resourceId);
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+
+        // Information, Warning, Critical, Question
+        switch (m_icon)
+        {
+            case 1: // Information
+                try {
+                    return m_activity.getResources().getDrawable(Class.forName("android.R$drawable").getDeclaredField("ic_dialog_info").getInt(null));
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+                break;
+            case 2: // Warning
+//                try {
+//                    return Class.forName("android.R$drawable").getDeclaredField("stat_sys_warning").getInt(null);
+//                } catch (Exception e) {
+//                    e.printStackTrace();
+//                }
+//                break;
+            case 3: // Critical
+                try {
+                    return m_activity.getResources().getDrawable(Class.forName("android.R$drawable").getDeclaredField("ic_dialog_alert").getInt(null));
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+                break;
+            case 4: // Question
+                try {
+                    return m_activity.getResources().getDrawable(Class.forName("android.R$drawable").getDeclaredField("ic_menu_help").getInt(null));
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+                break;
+        }
+        return null;
+    }
+
+    public void setTile(String title)
+    {
+        m_title = title;
+    }
+
+    public void setText(String text)
+    {
+        m_text = text;
+    }
+
+    public void setInformativeText(String informativeText)
+    {
+        m_informativeText = informativeText;
+    }
+
+    public void setDetailedText(String text)
+    {
+        m_detailedText = text;
+    }
+
+    public void addButton(int id, String text)
+    {
+        if (m_buttonsList == null)
+            m_buttonsList = new ArrayList<ButtonStruct>();
+        m_buttonsList.add(new ButtonStruct(this, id, text));
+    }
+
+    private void setTextAppearance(TextView view, String attr, String style)
+    {
+        try {
+            int[] attrs = (int[]) Class.forName("android.R$styleable").getDeclaredField("TextAppearance").get(null);
+            final TypedArray a = m_theme.obtainStyledAttributes(null,
+                    attrs,
+                    Class.forName("android.R$attr").getDeclaredField(attr).getInt(null),
+                    Class.forName("android.R$style").getDeclaredField(style).getInt(null));
+            final int textSize = a.getDimensionPixelSize(
+                    Class.forName("android.R$styleable").getDeclaredField("TextAppearance_textSize").getInt(null), 0);
+            if (textSize != 0)
+                view.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize);
+
+            final int textColor = a.getColor(
+                    Class.forName("android.R$styleable").getDeclaredField("TextAppearance_textColor").getInt(null), 0x3138);
+            if (textColor != 0x3138)
+                view.setTextColor(textColor);
+
+            a.recycle();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    private Drawable getStyledDrawable(String drawable) throws ClassNotFoundException, NoSuchFieldException, IllegalAccessException
+    {
+        int[] attrs = {Class.forName("android.R$attr").getDeclaredField(drawable).getInt(null)};
+        final TypedArray a = m_theme.obtainStyledAttributes(attrs);
+        Drawable d = a.getDrawable(0);
+        a.recycle();
+        return  d;
+    }
+
+
+    public void show(long handler)
+    {
+        m_handler = handler;
+        m_activity.runOnUiThread( new Runnable() {
+            @Override
+            public void run() {
+                if (m_dialog != null && m_dialog.isShowing())
+                    m_dialog.dismiss();
+
+                m_dialog = new AlertDialog.Builder(m_activity).create();
+                m_theme = m_dialog.getWindow().getContext().getTheme();
+
+                if (m_title != null)
+                    m_dialog.setTitle(m_title);
+                m_dialog.setOnCancelListener( new DialogInterface.OnCancelListener() {
+                    @Override
+                    public void onCancel(DialogInterface dialogInterface) {
+                        QtNativeDialogHelper.dialogResult(handler(), -1);
+                    }
+                });
+                m_dialog.setCancelable(m_buttonsList == null);
+                m_dialog.setCanceledOnTouchOutside(m_buttonsList == null);
+                m_dialog.setIcon(getIconDrawable());
+                ScrollView scrollView = new ScrollView(m_activity);
+                RelativeLayout dialogLayout = new RelativeLayout(m_activity);
+                int id = 1;
+                View lastView = null;
+                View.OnLongClickListener copyText = new View.OnLongClickListener() {
+                    @Override
+                    public boolean onLongClick(View view) {
+                        TextView tv = (TextView)view;
+                        if (tv != null) {
+                            ClipboardManager cm = (android.text.ClipboardManager) m_activity.getSystemService(Context.CLIPBOARD_SERVICE);
+                            cm.setText(tv.getText());
+                        }
+                        return true;
+                    }
+                };
+                if (m_text != null)
+                {
+                    TextView view = new TextView(m_activity);
+                    view.setId(id++);
+                    view.setOnLongClickListener(copyText);
+                    view.setLongClickable(true);
+
+                    view.setText(m_text);
+                    setTextAppearance(view, "textAppearanceMedium", "TextAppearance_Medium");
+
+                    RelativeLayout.LayoutParams layout = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
+                    layout.setMargins(16, 8, 16, 8);
+                    layout.addRule(RelativeLayout.ALIGN_PARENT_TOP);
+                    dialogLayout.addView(view, layout);
+                    lastView = view;
+                }
+
+                if (m_informativeText != null)
+                {
+                    TextView view= new TextView(m_activity);
+                    view.setId(id++);
+                    view.setOnLongClickListener(copyText);
+                    view.setLongClickable(true);
+
+                    view.setText(m_informativeText);
+                    setTextAppearance(view, "textAppearanceMedium", "TextAppearance_Medium");
+
+                    RelativeLayout.LayoutParams layout = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
+                    layout.setMargins(16, 8, 16, 8);
+                    if (lastView != null)
+                        layout.addRule(RelativeLayout.BELOW, lastView.getId());
+                    else
+                        layout.addRule(RelativeLayout.ALIGN_PARENT_TOP);
+                    dialogLayout.addView(view, layout);
+                    lastView = view;
+                }
+
+                if (m_detailedText != null)
+                {
+                    TextView view= new TextView(m_activity);
+                    view.setId(id++);
+                    view.setOnLongClickListener(copyText);
+                    view.setLongClickable(true);
+
+                    view.setText(m_detailedText);
+                    setTextAppearance(view, "textAppearanceSmall", "TextAppearance_Small");
+
+                    RelativeLayout.LayoutParams layout = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
+                    layout.setMargins(16, 8, 16, 8);
+                    if (lastView != null)
+                        layout.addRule(RelativeLayout.BELOW, lastView.getId());
+                    else
+                        layout.addRule(RelativeLayout.ALIGN_PARENT_TOP);
+                    dialogLayout.addView(view, layout);
+                    lastView = view;
+                }
+
+                if (m_buttonsList != null)
+                {
+                    LinearLayout buttonsLayout = new LinearLayout(m_activity);
+                    buttonsLayout.setOrientation(LinearLayout.HORIZONTAL);
+                    buttonsLayout.setId(id++);
+                    boolean firstButton = true;
+                    for (ButtonStruct button: m_buttonsList)
+                    {
+                        Button bv;
+                        if (Build.VERSION.SDK_INT > 10) {
+                            try {
+                                bv = new Button(m_activity, null, Class.forName("android.R$attr").getDeclaredField("borderlessButtonStyle").getInt(null));
+                            } catch (Exception e) {
+                                bv = new Button(m_activity);
+                                e.printStackTrace();
+                            }
+                        } else {
+                            bv = new Button(m_activity);
+                        }
+
+                        bv.setText(button.m_text);
+                        bv.setOnClickListener(button);
+                        if (!firstButton) // first button
+                        {
+                            LinearLayout.LayoutParams layout = null;
+                            View spacer = new View(m_activity);
+                            if (Build.VERSION.SDK_INT > 10) {
+                                try {
+                                    layout = new LinearLayout.LayoutParams(1, RelativeLayout.LayoutParams.MATCH_PARENT);
+                                    spacer.setBackgroundDrawable(getStyledDrawable("dividerVertical"));
+                                    buttonsLayout.addView(spacer, layout);
+                                } catch (Exception e) {
+                                    e.printStackTrace();
+                                }
+                            }
+                        }
+                        LinearLayout.LayoutParams layout = null;
+                        layout = new LinearLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.WRAP_CONTENT, 1.0f);
+                        buttonsLayout.addView(bv, layout);
+                        firstButton = false;
+                    }
+
+                    if (Build.VERSION.SDK_INT > 10) {
+                        try {
+                            View horizontalDevider = new View(m_activity);
+                            horizontalDevider.setId(id++);
+                            horizontalDevider.setBackgroundDrawable(getStyledDrawable("dividerHorizontal"));
+                            RelativeLayout.LayoutParams relativeParams = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT, 1);
+                            relativeParams.setMargins(0, 10, 0, 0);
+                            if (lastView != null) {
+                                relativeParams.addRule(RelativeLayout.BELOW, lastView.getId());
+                            }
+                            else
+                                relativeParams.addRule(RelativeLayout.ALIGN_PARENT_TOP);
+                            dialogLayout.addView(horizontalDevider, relativeParams);
+                            lastView = horizontalDevider;
+                        } catch (Exception e) {
+                            e.printStackTrace();
+                        }
+                    }
+                    RelativeLayout.LayoutParams relativeParams = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
+                    if (lastView != null) {
+                        relativeParams.addRule(RelativeLayout.BELOW, lastView.getId());
+                    }
+                    else
+                        relativeParams.addRule(RelativeLayout.ALIGN_PARENT_TOP);
+                    if (Build.VERSION.SDK_INT < 11)
+                        relativeParams.setMargins(2, 12, 2, 4);
+                    else
+                        relativeParams.setMargins(2, 0, 2, 0);
+                    dialogLayout.addView(buttonsLayout, relativeParams);
+                }
+                scrollView.addView(dialogLayout);
+                m_dialog.setView(scrollView);
+                m_dialog.show();
+            }
+        });
+    }
+
+    public void hide()
+    {
+        m_activity.runOnUiThread( new Runnable() {
+            @Override
+            public void run() {
+                if (m_dialog != null && m_dialog.isShowing())
+                    m_dialog.dismiss();
+                reset();
+            }
+        });
+    }
+
+    public long handler()
+    {
+        return m_handler;
+    }
+
+    public void reset()
+    {
+        m_icon = 0;
+        m_title = null;
+        m_text = null;
+        m_informativeText = null;
+        m_detailedText = null;
+        m_buttonsList = null;
+        m_dialog = null;
+        m_handler = 0;
+    }
+
+    private Activity m_activity;
+    private int m_icon = 0;
+    private String m_title, m_text, m_informativeText, m_detailedText;
+    private ArrayList<ButtonStruct> m_buttonsList;
+    private AlertDialog m_dialog;
+    private long m_handler = 0;
+    private Resources.Theme m_theme;
+}
diff --git a/src/android/java/src/org/qtproject/qt5/android/bindings/QtActivity.java b/src/android/java/src/org/qtproject/qt5/android/bindings/QtActivity.java
index 089cf5aa60..7c741edfda 100644
--- a/src/android/java/src/org/qtproject/qt5/android/bindings/QtActivity.java
+++ b/src/android/java/src/org/qtproject/qt5/android/bindings/QtActivity.java
@@ -123,13 +123,13 @@ public class QtActivity extends Activity
                                                                // and must be separated with "\t"
                                                                // e.g "-param1\t-param2=value2\t-param3\tvalue3"
 
-    public String ENVIRONMENT_VARIABLES = "QT_USE_ANDROID_NATIVE_STYLE=1\t";
+    public String ENVIRONMENT_VARIABLES = "QT_USE_ANDROID_NATIVE_STYLE=1\tQT_USE_ANDROID_NATIVE_DIALOGS=1\t";
                                                                // use this variable to add any environment variables to your application.
                                                                // the env vars must be separated with "\t"
                                                                // e.g. "ENV_VAR1=1\tENV_VAR2=2\t"
                                                                // Currently the following vars are used by the android plugin:
-                                                               // * QT_USE_ANDROID_NATIVE_STYLE - 1 to use the android widget style if available,
-                                                               //   note that the android style plugin in Qt 5.1 is not fully functional.
+                                                               // * QT_USE_ANDROID_NATIVE_STYLE - 1 to use the android widget style if available.
+                                                               // * QT_USE_ANDROID_NATIVE_DIALOGS -1 to use the android native dialogs.
 
     public String[] QT_ANDROID_THEMES = null;     // A list with all themes that your application want to use.
                                                   // The name of the theme must be the same with any theme from