Android: Add support for setting/getting html and uris from clipboard

This also updates the used API to use ClipData and not the deprecated
ClipboardManager API.

[ChangeLog][Platform Specific Changes][Android] QClipboard now supports
HTML and URI data.

Fixes: QTBUG-47835
Fixes: QTBUG-71503
Change-Id: I43f82bfc63b3d159087c0fb6c840c186a370e20c
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>

src/android/jar/src/org/qtproject/qt5/android/QtNative.java

@@ -47,6 +47,7 @@ import java.util.concurrent.Semaphore;
 import android.app.Activity;
 import android.app.Service;
 import android.content.Context;
+import android.content.ContentResolver;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ActivityInfo;
@@ -57,6 +58,7 @@ import android.os.IBinder;
 import android.os.Looper;
 import android.content.ClipboardManager;
 import android.content.ClipboardManager.OnPrimaryClipChangedListener;
+import android.content.ClipData;
 import android.util.Log;
 import android.view.ContextMenu;
 import android.view.KeyEvent;
@@ -98,7 +100,9 @@ public class QtNative
     private static ClipboardManager m_clipboardManager = null;
     private static Method m_checkSelfPermissionMethod = null;
     private static Boolean m_tabletEventSupported = null;
+    private static boolean m_usePrimaryClip = false;
     public static QtThread m_qtThread = new QtThread();
+    private static Method m_addItemMethod = null;
     private static final Runnable runPendingCppRunnablesRunnable = new Runnable() {
         @Override
         public void run() {
@@ -697,26 +701,133 @@ public class QtNative
         }
     }
 
+    private static void clearClipData()
+    {
+        m_usePrimaryClip = false;
+    }
     private static void setClipboardText(String text)
     {
-        if (m_clipboardManager != null)
+        if (m_clipboardManager != null) {
-            m_clipboardManager.setText(text);
+            ClipData clipData = ClipData.newPlainText("text/plain", text);
+            updatePrimaryClip(clipData);
+        }
     }
 
     public static boolean hasClipboardText()
     {
-        if (m_clipboardManager != null)
+        if (m_clipboardManager != null && m_clipboardManager.hasPrimaryClip()) {
-            return m_clipboardManager.hasText();
+            ClipData primaryClip = m_clipboardManager.getPrimaryClip();
-        else
+            for (int i = 0; i < primaryClip.getItemCount(); ++i)
-            return false;
+                if (primaryClip.getItemAt(i).getText() != null)
+                    return true;
+        }
+        return false;
     }
 
     private static String getClipboardText()
     {
-        if (m_clipboardManager != null)
+        if (m_clipboardManager != null && m_clipboardManager.hasPrimaryClip()) {
-            return m_clipboardManager.getText().toString();
+            ClipData primaryClip = m_clipboardManager.getPrimaryClip();
-        else
+            for (int i = 0; i < primaryClip.getItemCount(); ++i)
-            return "";
+                if (primaryClip.getItemAt(i).getText() != null)
+                    return primaryClip.getItemAt(i).getText().toString();
+        }
+        return "";
+    }
+
+    private static void updatePrimaryClip(ClipData clipData)
+    {
+        if (m_usePrimaryClip) {
+            ClipData clip = m_clipboardManager.getPrimaryClip();
+            if (Build.VERSION.SDK_INT >= 26) {
+                if (m_addItemMethod == null) {
+                    Class[] cArg = new Class[2];
+                    cArg[0] = ContentResolver.class;
+                    cArg[1] = ClipData.Item.class;
+                    try {
+                        m_addItemMethod = m_clipboardManager.getClass().getMethod("addItem", cArg);
+                    } catch (Exception e) {
+                    }
+                }
+            }
+            if (m_addItemMethod != null) {
+                try {
+                    m_addItemMethod.invoke(m_activity.getContentResolver(), clipData.getItemAt(0));
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            } else {
+                clip.addItem(clipData.getItemAt(0));
+            }
+            m_clipboardManager.setPrimaryClip(clip);
+        } else {
+            m_clipboardManager.setPrimaryClip(clipData);
+            m_usePrimaryClip = true;
+        }
+    }
+
+    private static void setClipboardHtml(String text, String html)
+    {
+        if (m_clipboardManager != null) {
+            ClipData clipData = ClipData.newHtmlText("text/html", text, html);
+            updatePrimaryClip(clipData);
+        }
+    }
+
+    public static boolean hasClipboardHtml()
+    {
+        if (m_clipboardManager != null && m_clipboardManager.hasPrimaryClip()) {
+            ClipData primaryClip = m_clipboardManager.getPrimaryClip();
+            for (int i = 0; i < primaryClip.getItemCount(); ++i)
+                if (primaryClip.getItemAt(i).getHtmlText() != null)
+                    return true;
+        }
+        return false;
+    }
+
+    private static String getClipboardHtml()
+    {
+        if (m_clipboardManager != null && m_clipboardManager.hasPrimaryClip()) {
+            ClipData primaryClip = m_clipboardManager.getPrimaryClip();
+            for (int i = 0; i < primaryClip.getItemCount(); ++i)
+                if (primaryClip.getItemAt(i).getHtmlText() != null)
+                    return primaryClip.getItemAt(i).getHtmlText().toString();
+        }
+        return "";
+    }
+
+    private static void setClipboardUri(String uriString)
+    {
+        if (m_clipboardManager != null) {
+            ClipData clipData = ClipData.newUri(m_activity.getContentResolver(), "text/uri-list",
+                                                Uri.parse(uriString));
+            updatePrimaryClip(clipData);
+        }
+    }
+
+    public static boolean hasClipboardUri()
+    {
+        if (m_clipboardManager != null && m_clipboardManager.hasPrimaryClip()) {
+            ClipData primaryClip = m_clipboardManager.getPrimaryClip();
+            for (int i = 0; i < primaryClip.getItemCount(); ++i)
+                if (primaryClip.getItemAt(i).getUri() != null)
+                    return true;
+        }
+        return false;
+    }
+
+    private static String[] getClipboardUris()
+    {
+        ArrayList<String> uris = new ArrayList<String>();
+        if (m_clipboardManager != null && m_clipboardManager.hasPrimaryClip()) {
+            ClipData primaryClip = m_clipboardManager.getPrimaryClip();
+            for (int i = 0; i < primaryClip.getItemCount(); ++i)
+                if (primaryClip.getItemAt(i).getUri() != null)
+                    uris.add(primaryClip.getItemAt(i).getUri().toString());
+        }
+        String[] strings = new String[uris.size()];
+        strings = uris.toArray(strings);
+        return strings;
     }
 
     private static void openContextMenu(final int x, final int y, final int w, final int h)

src/plugins/platforms/android/androidjniclipboard.cpp

@@ -38,6 +38,7 @@
 ****************************************************************************/
 
 #include "androidjniclipboard.h"
+#include <QtCore/QUrl>
 #include <QtCore/private/qjni_p.h>
 
 QT_BEGIN_NAMESPACE
@@ -62,27 +63,60 @@ namespace QtAndroidClipboard
             return;
         }
     }
-
+    void setClipboardMimeData(QMimeData *data)
-    void setClipboardText(const QString &text)
     {
-        QJNIObjectPrivate::callStaticMethod<void>(applicationClass(),
+        QJNIObjectPrivate::callStaticMethod<void>(applicationClass(), "clearClipData");
-                                                  "setClipboardText",
+        if (data->hasText()) {
-                                                  "(Ljava/lang/String;)V",
+            QJNIObjectPrivate::callStaticMethod<void>(applicationClass(),
-                                                  QJNIObjectPrivate::fromString(text).object());
+                                                      "setClipboardText", "(Ljava/lang/String;)V",
+                                                      QJNIObjectPrivate::fromString(data->text()).object());
+        }
+        if (data->hasHtml()) {
+            QJNIObjectPrivate::callStaticMethod<void>(applicationClass(),
+                                                      "setClipboardHtml",
+                                                      "(Ljava/lang/String;Ljava/lang/String;)V",
+                                                      QJNIObjectPrivate::fromString(data->text()).object(),
+                                                      QJNIObjectPrivate::fromString(data->html()).object());
+        }
+        if (data->hasUrls()) {
+            QList<QUrl> urls = data->urls();
+            for (const auto &u : qAsConst(urls)) {
+                QJNIObjectPrivate::callStaticMethod<void>(applicationClass(), "setClipboardUri",
+                                                          "(Ljava/lang/String;)V",
+                                                          QJNIObjectPrivate::fromString(u.toEncoded()).object());
+            }
+        }
     }
 
-    bool hasClipboardText()
+    QMimeData *getClipboardMimeData()
     {
-        return QJNIObjectPrivate::callStaticMethod<jboolean>(applicationClass(),
+        QMimeData *data = new QMimeData;
-                                                             "hasClipboardText");
+        if (QJNIObjectPrivate::callStaticMethod<jboolean>(applicationClass(), "hasClipboardText")) {
-    }
+            data->setText(QJNIObjectPrivate::callStaticObjectMethod(applicationClass(),
-
+                                                                    "getClipboardText",
-    QString clipboardText()
+                                                                    "()Ljava/lang/String;").toString());
-    {
+        }
-        QJNIObjectPrivate text = QJNIObjectPrivate::callStaticObjectMethod(applicationClass(),
+        if (QJNIObjectPrivate::callStaticMethod<jboolean>(applicationClass(), "hasClipboardHtml")) {
-                                                                           "getClipboardText",
+            data->setHtml(QJNIObjectPrivate::callStaticObjectMethod(applicationClass(),
-                                                                           "()Ljava/lang/String;");
+                                                                    "getClipboardHtml",
-        return text.toString();
+                                                                    "()Ljava/lang/String;").toString());
+        }
+        if (QJNIObjectPrivate::callStaticMethod<jboolean>(applicationClass(), "hasClipboardUri")) {
+            QJNIObjectPrivate uris = QJNIObjectPrivate::callStaticObjectMethod(applicationClass(),
+                                                                               "getClipboardUris",
+                                                                               "()[Ljava/lang/String;");
+            if (uris.isValid()) {
+                QList<QUrl> urls;
+                QJNIEnvironmentPrivate env;
+                jobjectArray juris = static_cast<jobjectArray>(uris.object());
+                const jint nUris = env->GetArrayLength(juris);
+                urls.reserve(static_cast<int>(nUris));
+                for (int i = 0; i < nUris; ++i)
+                    urls << QUrl(QJNIObjectPrivate(env->GetObjectArrayElement(juris, i)).toString());
+                data->setUrls(urls);
+            }
+        }
+        return data;
     }
 
     void onClipboardDataChanged(JNIEnv */*env*/, jobject /*thiz*/)

src/plugins/platforms/android/androidjniclipboard.h

@@ -51,9 +51,8 @@ namespace QtAndroidClipboard
 {
     // Clipboard support
     void setClipboardManager(QAndroidPlatformClipboard *manager);
-    void setClipboardText(const QString &text);
+    void setClipboardMimeData(QMimeData *data);
-    bool hasClipboardText();
+    QMimeData *getClipboardMimeData();
-    QString clipboardText();
     void onClipboardDataChanged(JNIEnv */*env*/, jobject /*thiz*/);
     // Clipboard support
 }

src/plugins/platforms/android/qandroidplatformclipboard.cpp

@@ -52,16 +52,15 @@ QMimeData *QAndroidPlatformClipboard::mimeData(QClipboard::Mode mode)
 {
     Q_UNUSED(mode);
     Q_ASSERT(supportsMode(mode));
-    m_mimeData.setText(QtAndroidClipboard::hasClipboardText()
+    QMimeData *data = QtAndroidClipboard::getClipboardMimeData();
-                       ? QtAndroidClipboard::clipboardText()
+    data->setParent(this);
-                       : QString());
+    return data;
-    return &m_mimeData;
 }
 
 void QAndroidPlatformClipboard::setMimeData(QMimeData *data, QClipboard::Mode mode)
 {
-    if (supportsMode(mode))
+    if (data && supportsMode(mode))
-        QtAndroidClipboard::setClipboardText(data != 0 && data->hasText() ? data->text() : QString());
+        QtAndroidClipboard::setClipboardMimeData(data);
     if (data != 0)
         data->deleteLater();
 }

src/plugins/platforms/android/qandroidplatformclipboard.h

@@ -46,7 +46,7 @@
 #ifndef QT_NO_CLIPBOARD
 QT_BEGIN_NAMESPACE
 
-class QAndroidPlatformClipboard: public QPlatformClipboard
+class QAndroidPlatformClipboard : public QObject, public QPlatformClipboard
 {
 public:
     QAndroidPlatformClipboard();
@@ -54,9 +54,6 @@ public:
     QMimeData *mimeData(QClipboard::Mode mode = QClipboard::Clipboard) override;
     void setMimeData(QMimeData *data, QClipboard::Mode mode = QClipboard::Clipboard) override;
     bool supportsMode(QClipboard::Mode mode) const override;
-
-private:
-    QMimeData m_mimeData;
 };
 
 QT_END_NAMESPACE