src/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 struct AwDrawSWFunctionTable;
  13
  14 namespace android_webview {
  15
  16 // Native side of java-class of same name.
  17 // Provides utility methods for rendering involving with Java objects.
  18 // TODO(boliu): Rename this class to JavaRasterHelper.
  19 class JavaBrowserViewRendererHelper : public BrowserViewRendererJavaHelper {
  20  public:
  21   JavaBrowserViewRendererHelper();
  22   virtual ~JavaBrowserViewRendererHelper();
  23
  24   static void SetAwDrawSWFunctionTable(AwDrawSWFunctionTable* table);
  25   static JavaBrowserViewRendererHelper* GetInstance();
  26
  27   // BrowserViewRendererJavaHelper implementation.
  28   virtual bool RenderViaAuxilaryBitmapIfNeeded(
  29       jobject java_canvas,
  30       const gfx::Vector2d& scroll_correction,
  31       const gfx::Size& auxiliary_bitmap_size,
  32       RenderMethod render_source) override;
  33
  34  private:
  35   bool RenderViaAuxilaryBitmap(JNIEnv* env,
  36                                jobject java_canvas,
  37                                const gfx::Vector2d& scroll_correction,
  38                                const gfx::Size& auxiliary_bitmap_size,
  39                                const RenderMethod& render_source);
  40   bool RasterizeIntoBitmap(
  41       JNIEnv* env,
  42       const base::android::JavaRef<jobject>& jbitmap,
  43       const JavaBrowserViewRendererHelper::RenderMethod& renderer);
  44 };
  45
  46 bool RegisterJavaBrowserViewRendererHelper(JNIEnv* env);
  47
  48 }  // namespace android_webview
  49
  50 #endif  // ANDROID_WEBVIEW_NATIVE_JAVA_BROWSER_VIEW_RENDERER_HELPER_H_