chrome/browser/android/offline_pages/offline_page_bridge.h

   1 // Copyright 2015 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_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_BRIDGE_H_
   6 #define CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_BRIDGE_H_
   7
   8 #include "base/android/jni_android.h"
   9 #include "base/android/jni_weak_ref.h"
  10 #include "components/offline_pages/offline_page_model.h"
  11
  12 namespace base {
  13 class FilePath;
  14 }
  15
  16 namespace content {
  17 class BrowserContext;
  18 }
  19
  20 namespace offline_pages {
  21 namespace android {
  22
  23 /**
  24  * Bridge between C++ and Java for exposing native implementation of offline
  25  * pages model in managed code.
  26  */
  27 class OfflinePageBridge : public OfflinePageModel::Observer {
  28  public:
  29   // Returns true if |url| might points to an offline page.
  30   static bool MightBeOfflineURL(const GURL& url);
  31
  32   OfflinePageBridge(JNIEnv* env,
  33                     jobject obj,
  34                     content::BrowserContext* browser_context);
  35   void Destroy(JNIEnv*, jobject);
  36
  37   // OfflinePageModel::Observer implementation.
  38   void OfflinePageModelLoaded(OfflinePageModel* model) override;
  39
  40   void GetAllPages(JNIEnv* env,
  41                    jobject obj,
  42                    jobject j_result_obj);
  43   void GetPagesToCleanUp(JNIEnv* env, jobject obj, jobject j_result_obj);
  44
  45   base::android::ScopedJavaLocalRef<jobject>
  46   GetPageByBookmarkId(JNIEnv* env, jobject obj, jlong bookmark_id);
  47
  48   void SavePage(JNIEnv* env,
  49                 jobject obj,
  50                 jobject j_callback_obj,
  51                 jobject j_web_contents,
  52                 jlong bookmark_id);
  53
  54   void DeletePage(JNIEnv* env,
  55                   jobject obj,
  56                   jobject j_callback_obj,
  57                   jlong bookmark_id);
  58
  59   void DeletePages(JNIEnv* env,
  60                    jobject obj,
  61                    jobject j_callback_obj,
  62                    jlongArray bookmark_ids_array);
  63
  64  private:
  65   void NotifyIfDoneLoading() const;
  66   static base::FilePath GetDownloadsPath(
  67       content::BrowserContext* browser_context);
  68
  69   JavaObjectWeakGlobalRef weak_java_ref_;
  70   // Not owned.
  71   OfflinePageModel* offline_page_model_;
  72   // Not owned.
  73   content::BrowserContext* browser_context_;
  74   DISALLOW_COPY_AND_ASSIGN(OfflinePageBridge);
  75 };
  76
  77 bool RegisterOfflinePageBridge(JNIEnv* env);
  78
  79 }  // namespace android
  80 }  // namespace offline_pages
  81
  82 #endif  // CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_BRIDGE_H_
  83