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 // TODO(boliu): Rename this class to JavaRasterHelper.
  17 class JavaBrowserViewRendererHelper : public BrowserViewRendererJavaHelper {
  18  public:
  19   JavaBrowserViewRendererHelper();
  20   virtual ~JavaBrowserViewRendererHelper();
  21
  22   static void SetAwDrawSWFunctionTable(AwDrawSWFunctionTable* table);
  23   static JavaBrowserViewRendererHelper* GetInstance();
  24
  25   // BrowserViewRendererJavaHelper implementation.
  26   virtual bool RenderViaAuxilaryBitmapIfNeeded(
  27       jobject java_canvas,
  28       const gfx::Vector2d& scroll_correction,
  29       const gfx::Rect& auxiliary_bitmap_rect,
  30       RenderMethod render_source) OVERRIDE;
  31
  32  private:
  33   bool RenderViaAuxilaryBitmap(JNIEnv* env,
  34                                jobject java_canvas,
  35                                const gfx::Vector2d& scroll_correction,
  36                                const gfx::Rect& auxiliary_bitmap_rect,
  37                                const RenderMethod& render_source);
  38   bool RasterizeIntoBitmap(
  39       JNIEnv* env,
  40       const base::android::JavaRef<jobject>& jbitmap,
  41       int scroll_x,
  42       int scroll_y,
  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_