chrome/browser/prerender/external_prerender_handler_android.h

   1 // Copyright 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 CHROME_BROWSER_PRERENDER_EXTERNAL_PRERENDER_HANDLER_ANDROID_H_
   6 #define CHROME_BROWSER_PRERENDER_EXTERNAL_PRERENDER_HANDLER_ANDROID_H_
   7
   8 #include <jni.h>
   9
  10 #include "base/android/scoped_java_ref.h"
  11 #include "base/memory/scoped_ptr.h"
  12
  13 class GURL;
  14 class Profile;
  15
  16 namespace content {
  17 class WebContents;
  18 }
  19
  20 namespace prerender {
  21 class PrerenderHandle;
  22
  23 // A class for handling external prerender requests from other applications.
  24 class ExternalPrerenderHandlerAndroid {
  25  public:
  26   explicit ExternalPrerenderHandlerAndroid();
  27
  28   // Add a prerender with the given url and referrer on the PrerenderManager of
  29   // the given profile. This is restricted to a single prerender at a time.
  30   bool AddPrerender(JNIEnv* env,
  31                     jobject obj,
  32                     jobject profile,
  33                     jlong web_content_ptr,
  34                     jstring url,
  35                     jstring referrer,
  36                     jint width,
  37                     jint height);
  38
  39   // Cancel the prerender associated with the prerender_handle_
  40   void CancelCurrentPrerender(JNIEnv* env, jobject object);
  41
  42   // Whether the PrerenderManager associated with the given profile has any
  43   // prerenders for the url.
  44   static bool HasPrerenderedUrl(Profile* profile,
  45                                 GURL url,
  46                                 content::WebContents* web_contents);
  47
  48   static bool RegisterExternalPrerenderHandlerAndroid(JNIEnv* env);
  49
  50  private:
  51   virtual ~ExternalPrerenderHandlerAndroid();
  52   scoped_ptr<prerender::PrerenderHandle> prerender_handle_;
  53
  54   DISALLOW_COPY_AND_ASSIGN(ExternalPrerenderHandlerAndroid);
  55 };
  56
  57 } // namespace prerender
  58
  59 #endif  // CHROME_BROWSER_PRERENDER_EXTERNAL_PRERENDER_HANDLER_ANDROID_H_