android_webview/native/permission/aw_permission_request.h

   1 // Copyright 2014 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_PERMISSION_AW_PERMISSION_REQUEST_H
   6 #define ANDROID_WEBVIEW_NATIVE_PERMISSION_AW_PERMISSION_REQUEST_H
   7
   8 #include "base/android/jni_weak_ref.h"
   9 #include "base/android/scoped_java_ref.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "url/gurl.h"
  12
  13 namespace android_webview {
  14
  15 class AwPermissionRequestDelegate;
  16
  17 // This class wraps a permission request, it works with PermissionRequestHandler
  18 // and its' Java peer to represent the request to AwContentsClient.
  19 // The specific permission request should implement the
  20 // AwPermissionRequestDelegate interface, See MediaPermissionRequest.
  21 // This object is owned by the java peer.
  22 class AwPermissionRequest {
  23  public:
  24   // The definition must synced with
  25   // com.android.webview.chromium.WebViewContentsClientAdapter.
  26   enum Resource {
  27     Geolocation = 1 << 0,
  28     VideoCapture = 1 << 1,
  29     AudioCapture = 1 << 2,
  30     ProtectedMediaId = 1 << 3,
  31     MIDISysex = 1 << 4,
  32   };
  33
  34   // Take the ownership of |delegate|. Returns the native pointer in
  35   // |weak_ptr|, which is owned by the returned java peer.
  36   static base::android::ScopedJavaLocalRef<jobject> Create(
  37       scoped_ptr<AwPermissionRequestDelegate> delegate,
  38       base::WeakPtr<AwPermissionRequest>* weak_ptr);
  39
  40   // Return the Java peer. Must be null-checked.
  41   base::android::ScopedJavaLocalRef<jobject> GetJavaObject();
  42
  43   // Invoked by Java peer when request is processed, |granted| indicates the
  44   // request was granted or not.
  45   void OnAccept(JNIEnv* env, jobject jcaller, jboolean granted);
  46   void Destroy(JNIEnv* env, jobject obj);
  47
  48   // Return the origin which initiated the request.
  49   const GURL& GetOrigin();
  50
  51   // Return the resources origin requested.
  52   int64 GetResources();
  53
  54   // Cancel this request. Guarantee that
  55   // AwPermissionRequestDelegate::NotifyRequestResult will not be called after
  56   // this call. This also deletes this object, so weak pointers are invalidated
  57   // and raw pointers become dangling pointers.
  58   void CancelAndDelete();
  59
  60  private:
  61   AwPermissionRequest(scoped_ptr<AwPermissionRequestDelegate> delegate,
  62                       base::android::ScopedJavaLocalRef<jobject>* java_peer);
  63   ~AwPermissionRequest();
  64
  65   void OnAcceptInternal(bool accept);
  66   void DeleteThis();
  67
  68   scoped_ptr<AwPermissionRequestDelegate> delegate_;
  69   JavaObjectWeakGlobalRef java_ref_;
  70
  71   bool processed_;
  72   base::WeakPtrFactory<AwPermissionRequest> weak_factory_;
  73
  74   DISALLOW_COPY_AND_ASSIGN(AwPermissionRequest);
  75 };
  76
  77 bool RegisterAwPermissionRequest(JNIEnv* env);
  78
  79 }  // namespace android_webivew
  80
  81 #endif  // ANDROID_WEBVIEW_NATIVE_PERMISSION_AW_PERMISSION_REQUEST_H