Implement `yank-media' on Android

* doc/emacs/android.texi (Android Windowing): Update selection
restrictions.
* java/org/gnu/emacs/EmacsClipboard.java (EmacsClipboard): New
functions `getClipboardTargets' and `getClipboardData'.
* java/org/gnu/emacs/EmacsSdk11Clipboard.java
(EmacsSdk11Clipboard, getClipboardTargets, getClipboardData):
Implement.
* java/org/gnu/emacs/EmacsSdk8Clipboard.java: Stub out new
functions.

* lisp/term/android-win.el (android-get-clipboard-1): Implement
MIME type targets.
* src/android.c (android_exception_check)
(android_exception_check_1, android_exception_check_2): Fix
punctuation in warning message.
(android_exception_check_nonnull_1): New function.
* src/android.h: Update prototypes.
* src/androidselect.c (struct android_emacs_clipboard): New
methods.
(android_init_emacs_clipboard): Initialize new methods.
(Fandroid_get_clipboard_targets, android_xfree_inside)
(Fandroid_get_clipboard_data): New functions.
(syms_of_androidselect): Define new subrs.

1 files changed, 24 insertions, 3 deletions

diff --git a/src/android.c b/src/android.c
index 1da8bec316e..7852590acf4 100644
--- a/src/android.c
+++ b/src/android.c
@@ -5530,7 +5530,7 @@ android_exception_check (void)
   if ((*android_java_env)->ExceptionCheck (android_java_env))
     {
       __android_log_print (ANDROID_LOG_WARN, __func__,
-                           "Possible out of memory error."
+                           "Possible out of memory error. "
                            " The Java exception follows:  ");
       /* Describe exactly what went wrong.  */
       (*android_java_env)->ExceptionDescribe (android_java_env);
@@ -5549,7 +5549,7 @@ android_exception_check_1 (jobject object)
   if ((*android_java_env)->ExceptionCheck (android_java_env))
     {
       __android_log_print (ANDROID_LOG_WARN, __func__,
-                           "Possible out of memory error."
+                           "Possible out of memory error. "
                            " The Java exception follows:  ");
       /* Describe exactly what went wrong.  */
       (*android_java_env)->ExceptionDescribe (android_java_env);
@@ -5568,7 +5568,7 @@ android_exception_check_2 (jobject object, jobject object1)
   if ((*android_java_env)->ExceptionCheck (android_java_env))
     {
       __android_log_print (ANDROID_LOG_WARN, __func__,
-                           "Possible out of memory error."
+                           "Possible out of memory error. "
                            " The Java exception follows:  ");
       /* Describe exactly what went wrong.  */
       (*android_java_env)->ExceptionDescribe (android_java_env);
@@ -5600,6 +5600,27 @@ android_exception_check_nonnull (void *object, jobject object1)
   memory_full (0);
 }
 
+/* Check for JNI problems based on the value of OBJECT.
+
+   Signal out of memory if OBJECT is NULL.  OBJECT1 and OBJECT2 mean
+   the same as in `android_exception_check_2'.  */
+
+void
+android_exception_check_nonnull_1 (void *object, jobject object1,
+                                   jobject object2)
+{
+  if (object)
+    return;
+
+  if (object1)
+    ANDROID_DELETE_LOCAL_REF (object1);
+
+  if (object2)
+    ANDROID_DELETE_LOCAL_REF (object2);
+
+  memory_full (0);
+}
+
 
 
 /* Native image transforms.  */