Notification action icons prototype.

ui/gfx/android/java_bitmap.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/gfx/android/java_bitmap.h"
 
 #include <android/bitmap.h>
 
+#include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/logging.h"
 #include "jni/BitmapHelper_jni.h"
 #include "ui/gfx/geometry/size.h"
 
 using base::android::AttachCurrentThread;
 using base::android::ConvertUTF8ToJavaString;
 
 namespace gfx {
 
@@ skipping 60 matching lines @@
       skbitmap->width(), skbitmap->height(), color_type);
   SkAutoLockPixels src_lock(*skbitmap);
   JavaBitmap dst_lock(jbitmap.obj());
   void* src_pixels = skbitmap->getPixels();
   void* dst_pixels = dst_lock.pixels();
   memcpy(dst_pixels, src_pixels, skbitmap->getSize());
 
   return jbitmap;
 }
 
+ScopedJavaLocalRef<jobjectArray> ConvertToJavaBitmaps(
+    const std::vector<SkBitmap>& skbitmaps) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jclass> clazz =
+      base::android::GetClass(env, "android/graphics/Bitmap");
+  jobjectArray array = env->NewObjectArray(skbitmaps.size(), clazz.obj(),
+                                           nullptr /* initialElement */);
+  base::android::CheckException(env);
+
+  for (size_t i = 0; i < skbitmaps.size(); ++i) {
+    if (skbitmaps[i].drawsNothing()) {
+      env->SetObjectArrayElement(array, i, nullptr);
+    } else {
+      env->SetObjectArrayElement(array, i,
+                                 ConvertToJavaBitmap(&(skbitmaps[i])).obj());
+    }
+  }
+
+  return ScopedJavaLocalRef<jobjectArray>(env, array);
+}
+
 SkBitmap CreateSkBitmapFromJavaBitmap(const JavaBitmap& jbitmap) {
   DCHECK(!jbitmap.size().IsEmpty());
   DCHECK_GT(jbitmap.stride(), 0U);
   DCHECK(jbitmap.pixels());
 
   gfx::Size src_size = jbitmap.size();
 
   SkBitmap skbitmap;
   switch (jbitmap.format()) {
     case ANDROID_BITMAP_FORMAT_RGBA_8888:
@@ skipping 30 matching lines @@
       return kN32_SkColorType;
     case BITMAP_FORMAT_RGB_565:
       return kRGB_565_SkColorType;
     case BITMAP_FORMAT_NO_CONFIG:
     default:
       return kUnknown_SkColorType;
   }
 }
 
 }  //  namespace gfx