1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_BROWSER_ANDROID_CONTENT_READBACK_HANDLER_H_ 6 #define CONTENT_BROWSER_ANDROID_CONTENT_READBACK_HANDLER_H_ 7 8 #include <jni.h> 9 10 #include "base/android/jni_weak_ref.h" 11 #include "base/callback.h" 12 #include "base/memory/weak_ptr.h" 13 14 class SkBitmap; 15 16 namespace cc { 17 class CopyOutputResult; 18 } 19 20 namespace content { 21 22 // Native side of the ContentReadbackHandler.java, which issues content 23 // readbacks from the Java side. 24 class ContentReadbackHandler { 25 public: 26 // Registers the JNI methods for ContentViewRender. 27 static bool RegisterContentReadbackHandler(JNIEnv* env); 28 29 // Methods called from Java via JNI ----------------------------------------- 30 ContentReadbackHandler(JNIEnv* env, jobject obj); 31 void Destroy(JNIEnv* env, jobject obj); 32 void GetContentBitmap(JNIEnv* env, 33 jobject obj, 34 jint readback_id, 35 jfloat scale, 36 jobject config, 37 jfloat x, 38 jfloat y, 39 jfloat width, 40 jfloat height, 41 jobject content_view_core); 42 void GetCompositorBitmap(JNIEnv* env, 43 jobject obj, 44 jint readback_id, 45 jlong native_window_android); 46 47 private: 48 virtual ~ContentReadbackHandler(); 49 50 void OnFinishReadback(int readback_id, 51 bool success, 52 const SkBitmap& bitmap); 53 54 base::android::ScopedJavaGlobalRef<jobject> java_obj_; 55 base::WeakPtrFactory<ContentReadbackHandler> weak_factory_; 56 57 DISALLOW_COPY_AND_ASSIGN(ContentReadbackHandler); 58 }; 59 60 } // namespace content 61 62 #endif // CONTENT_BROWSER_ANDROID_CONTENT_READBACK_HANDLER_H_ 63