android_webview/native/java_browser_view_renderer_helper.h

   1 // Copyright (c) 2013 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 ANDROID_WEBVIEW_NATIVE_JAVA_BROWSER_VIEW_RENDERER_HELPER_H_
   6 #define ANDROID_WEBVIEW_NATIVE_JAVA_BROWSER_VIEW_RENDERER_HELPER_H_
   7
   8 #include "android_webview/browser/browser_view_renderer.h"
   9 #include "base/android/scoped_java_ref.h"
  10 #include "base/compiler_specific.h"
  11
  12 namespace android_webview {
  13
  14 // Native side of java-class of same name.
  15 // Provides utility methods for rendering involving with Java objects.
  16 class JavaBrowserViewRendererHelper : public BrowserViewRenderer::JavaHelper {
  17  public:
  18   JavaBrowserViewRendererHelper();
  19   virtual ~JavaBrowserViewRendererHelper();
  20
  21   static JavaBrowserViewRendererHelper* GetInstance();
  22
  23   // BrowserViewRenderer::JavaHelper implementation.
  24   virtual base::android::ScopedJavaLocalRef<jobject> CreateBitmap(
  25       JNIEnv* env,
  26       int width,
  27       int height,
  28       const base::android::JavaRef<jobject>& jcanvas,
  29       void* owner_key) OVERRIDE;
  30   virtual void DrawBitmapIntoCanvas(
  31       JNIEnv* env,
  32       const base::android::JavaRef<jobject>& jbitmap,
  33       const base::android::JavaRef<jobject>& jcanvas,
  34       int x,
  35       int y) OVERRIDE;
  36   virtual base::android::ScopedJavaLocalRef<jobject> RecordBitmapIntoPicture(
  37      JNIEnv* env,
  38      const base::android::JavaRef<jobject>& jbitmap) OVERRIDE;
  39 };
  40
  41 bool RegisterJavaBrowserViewRendererHelper(JNIEnv* env);
  42
  43 }  // namespace android_webview
  44
  45 #endif  // ANDROID_WEBVIEW_NATIVE_JAVA_BROWSER_VIEW_RENDERER_HELPER_H_