src/java.desktop/unix/native/libawt_xawt/xawt/awt_Taskbar.c
changeset 47216 71c04702a3d5
parent 41797 901aa8f0c2ee
child 56230 489867818774
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.desktop/unix/native/libawt_xawt/xawt/awt_Taskbar.c	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,257 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include <dlfcn.h>
+#include "jvm_md.h"
+#include <setjmp.h>
+#include <string.h>
+
+#include "jni_util.h"
+#include "awt_Taskbar.h"
+
+
+extern JavaVM *jvm;
+
+#define NO_SYMBOL_EXCEPTION 1
+
+#define UNITY_LIB_VERSIONED VERSIONED_JNI_LIB_NAME("unity", "9")
+#define UNITY_LIB JNI_LIB_NAME("unity")
+
+static jmp_buf j;
+
+static void *unity_libhandle = NULL;
+
+static DbusmenuMenuitem* menu = NULL;
+UnityLauncherEntry* entry = NULL;
+
+static jclass jTaskbarCls = NULL;
+static jmethodID jTaskbarCallback = NULL;
+static jmethodID jMenuItemGetLabel = NULL;
+
+GList* globalRefs = NULL;
+
+static void* dl_symbol(const char* name) {
+    void* result = dlsym(unity_libhandle, name);
+    if (!result)
+        longjmp(j, NO_SYMBOL_EXCEPTION);
+
+    return result;
+}
+
+static gboolean unity_load() {
+    unity_libhandle = dlopen(UNITY_LIB_VERSIONED, RTLD_LAZY | RTLD_LOCAL);
+    if (unity_libhandle == NULL) {
+        unity_libhandle = dlopen(UNITY_LIB, RTLD_LAZY | RTLD_LOCAL);
+        if (unity_libhandle == NULL) {
+            return FALSE;
+        }
+    }
+    if (setjmp(j) == 0) {
+        fp_unity_launcher_entry_get_for_desktop_file = dl_symbol("unity_launcher_entry_get_for_desktop_file");
+        fp_unity_launcher_entry_set_count = dl_symbol("unity_launcher_entry_set_count");
+        fp_unity_launcher_entry_set_count_visible = dl_symbol("unity_launcher_entry_set_count_visible");
+        fp_unity_launcher_entry_set_urgent = dl_symbol("unity_launcher_entry_set_urgent");
+        fp_unity_launcher_entry_set_progress = dl_symbol("unity_launcher_entry_set_progress");
+        fp_unity_launcher_entry_set_progress_visible = dl_symbol("unity_launcher_entry_set_progress_visible");
+
+        fp_dbusmenu_menuitem_new = dl_symbol("dbusmenu_menuitem_new");
+        fp_dbusmenu_menuitem_property_set = dl_symbol("dbusmenu_menuitem_property_set");
+        fp_dbusmenu_menuitem_property_set_int = dl_symbol("dbusmenu_menuitem_property_set_int");
+        fp_dbusmenu_menuitem_property_get_int = dl_symbol("dbusmenu_menuitem_property_get_int");
+        fp_dbusmenu_menuitem_property_set = dl_symbol("dbusmenu_menuitem_property_set");
+        fp_dbusmenu_menuitem_child_append = dl_symbol("dbusmenu_menuitem_child_append");
+        fp_dbusmenu_menuitem_child_delete = dl_symbol("dbusmenu_menuitem_child_delete");
+        fp_dbusmenu_menuitem_take_children = dl_symbol("dbusmenu_menuitem_take_children");
+        fp_dbusmenu_menuitem_foreach = dl_symbol("dbusmenu_menuitem_foreach");
+        fp_unity_launcher_entry_set_quicklist = dl_symbol("unity_launcher_entry_set_quicklist");
+        fp_unity_launcher_entry_get_quicklist = dl_symbol("unity_launcher_entry_get_quicklist");
+    } else {
+        dlclose(unity_libhandle);
+        unity_libhandle = NULL;
+        return FALSE;
+    }
+    return TRUE;
+}
+
+void callback(DbusmenuMenuitem* mi, guint ts, jobject data) {
+    JNIEnv* env = (JNIEnv*) JNU_GetEnv(jvm, JNI_VERSION_1_2);
+    (*env)->CallStaticVoidMethod(env, jTaskbarCls, jTaskbarCallback, data);
+}
+
+/*
+ * Class:     sun_awt_X11_XTaskbarPeer
+ * Method:    init
+ * Signature: (Ljava/lang/String;)Z
+ */
+JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XTaskbarPeer_init
+(JNIEnv *env, jclass cls, jstring jname, jint version, jboolean verbose) {
+    jclass clazz;
+
+    jTaskbarCls = (*env)->NewGlobalRef(env, cls);
+
+    CHECK_NULL_RETURN(jTaskbarCallback =
+            (*env)->GetStaticMethodID(env, cls, "menuItemCallback", "(Ljava/awt/MenuItem;)V"), JNI_FALSE);
+    CHECK_NULL_RETURN(
+            clazz = (*env)->FindClass(env, "java/awt/MenuItem"), JNI_FALSE);
+    CHECK_NULL_RETURN(
+            jMenuItemGetLabel = (*env)->GetMethodID(env, clazz, "getLabel", "()Ljava/lang/String;"), JNI_FALSE);
+
+    if (gtk_load(env, version, verbose) && unity_load()) {
+        const gchar* name = (*env)->GetStringUTFChars(env, jname, NULL);
+        if (name) {
+            entry = fp_unity_launcher_entry_get_for_desktop_file(name);
+            (*env)->ReleaseStringUTFChars(env, jname, name);
+            return JNI_TRUE;
+        }
+    }
+    return JNI_FALSE;
+}
+
+/*
+ * Class:     sun_awt_X11_XTaskbarPeer
+ * Method:    runloop
+ * Signature: ()V
+ */
+JNIEXPORT void JNICALL Java_sun_awt_X11_XTaskbarPeer_runloop
+(JNIEnv *env, jclass cls) {
+    gtk->gdk_threads_enter();
+    gtk->gtk_main();
+    gtk->gdk_threads_leave();
+}
+
+/*
+ * Class:     sun_awt_X11_XTaskbarPeer
+ * Method:    setBadge
+ * Signature: (JZ)V
+ */
+JNIEXPORT void JNICALL Java_sun_awt_X11_XTaskbarPeer_setBadge
+(JNIEnv *env, jobject obj, jlong value, jboolean visible) {
+    gtk->gdk_threads_enter();
+    fp_unity_launcher_entry_set_count(entry, value);
+    fp_unity_launcher_entry_set_count_visible(entry, visible);
+    DbusmenuMenuitem* m;
+    if (m = fp_unity_launcher_entry_get_quicklist(entry)) {
+        fp_unity_launcher_entry_set_quicklist(entry, m);
+    }
+    gtk->gdk_threads_leave();
+}
+
+/*
+ * Class:     sun_awt_X11_XTaskbarPeer
+ * Method:    setUrgent
+ * Signature: (Z)V
+ */
+JNIEXPORT void JNICALL Java_sun_awt_X11_XTaskbarPeer_setUrgent
+(JNIEnv *env, jobject obj, jboolean urgent) {
+    gtk->gdk_threads_enter();
+    fp_unity_launcher_entry_set_urgent(entry, urgent);
+    DbusmenuMenuitem* m;
+    if (m = fp_unity_launcher_entry_get_quicklist(entry)) {
+        fp_unity_launcher_entry_set_quicklist(entry, m);
+    }
+    gtk->gdk_threads_leave();
+}
+
+/*
+ * Class:     sun_awt_X11_XTaskbarPeer
+ * Method:    updateProgress
+ * Signature: (DZ)V
+ */
+JNIEXPORT void JNICALL Java_sun_awt_X11_XTaskbarPeer_updateProgress
+(JNIEnv *env, jobject obj, jdouble value, jboolean visible) {
+    gtk->gdk_threads_enter();
+    fp_unity_launcher_entry_set_progress(entry, value);
+    fp_unity_launcher_entry_set_progress_visible(entry, visible);
+    DbusmenuMenuitem* m;
+    if (m = fp_unity_launcher_entry_get_quicklist(entry)) {
+        fp_unity_launcher_entry_set_quicklist(entry, m);
+    }
+    gtk->gdk_threads_leave();
+}
+
+void deleteGlobalRef(gpointer data) {
+    JNIEnv* env = (JNIEnv*) JNU_GetEnv(jvm, JNI_VERSION_1_2);
+    (*env)->DeleteGlobalRef(env, data);
+}
+
+void fill_menu(JNIEnv *env, jobjectArray items) {
+    int index;
+    jsize length = (*env)->GetArrayLength(env, items);
+    for (index = 0; index < length; index++) {
+        jobject elem = (*env)->GetObjectArrayElement(env, items, index);
+        if ((*env)->ExceptionCheck(env)) {
+            break;
+        }
+        elem = (*env)->NewGlobalRef(env, elem);
+
+        globalRefs = gtk->g_list_append(globalRefs, elem);
+
+        jstring jlabel = (jstring) (*env)->CallObjectMethod(env, elem, jMenuItemGetLabel);
+        if (!(*env)->ExceptionCheck(env) && jlabel) {
+            const gchar* label = (*env)->GetStringUTFChars(env, jlabel, NULL);
+            if (label) {
+                DbusmenuMenuitem* mi = fp_dbusmenu_menuitem_new();
+                if (!strcmp(label, "-")) {
+                    fp_dbusmenu_menuitem_property_set(mi, "type", "separator");
+                } else {
+                    fp_dbusmenu_menuitem_property_set(mi, "label", label);
+                }
+
+                (*env)->ReleaseStringUTFChars(env, jlabel, label);
+                fp_dbusmenu_menuitem_child_append(menu, mi);
+                gtk->g_signal_connect_data(mi, "item_activated",
+                                           G_CALLBACK(callback), elem, NULL, 0);
+            }
+        }
+    }
+}
+
+/*
+ * Class:     sun_awt_X11_XTaskbarPeer
+ * Method:    setNativeMenu
+ * Signature: ([Ljava/awt/MenuItem;)V
+ */
+JNIEXPORT void JNICALL Java_sun_awt_X11_XTaskbarPeer_setNativeMenu
+(JNIEnv *env, jobject obj, jobjectArray items) {
+
+    gtk->gdk_threads_enter();
+
+    if (!menu) {
+        menu = fp_dbusmenu_menuitem_new();
+        fp_unity_launcher_entry_set_quicklist(entry, menu);
+    }
+
+    GList* list = fp_dbusmenu_menuitem_take_children(menu);
+    gtk->g_list_free_full(list, gtk->g_object_unref);
+
+    gtk->g_list_free_full(globalRefs, deleteGlobalRef);
+    globalRefs = NULL;
+
+    if (items) {
+        fill_menu(env, items);
+    }
+
+    gtk->gdk_threads_leave();
+}