Implement Android WebView BlockNetworkImages

content/browser/android/content_settings.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/android/content_settings.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "content/browser/android/content_view_core_impl.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
@@ skipping 47 matching lines @@
     user_agent =
         GetFieldID(env, clazz, "mUserAgent", kStringClassName);
     minimum_font_size = GetFieldID(env, clazz, "mMinimumFontSize", "I");
     minimum_logical_font_size =
         GetFieldID(env, clazz, "mMinimumLogicalFontSize", "I");
     default_font_size = GetFieldID(env, clazz, "mDefaultFontSize", "I");
     default_fixed_font_size =
         GetFieldID(env, clazz, "mDefaultFixedFontSize", "I");
     load_images_automatically =
         GetFieldID(env, clazz, "mLoadsImagesAutomatically", "Z");
+    images_enabled =
+        GetFieldID(env, clazz, "mImagesEnabled", "Z");
     java_script_enabled =
         GetFieldID(env, clazz, "mJavaScriptEnabled", "Z");
     allow_universal_access_from_file_urls =
         GetFieldID(env, clazz, "mAllowUniversalAccessFromFileURLs", "Z");
     allow_file_access_from_file_urls =
         GetFieldID(env, clazz, "mAllowFileAccessFromFileURLs", "Z");
     java_script_can_open_windows_automatically =
         GetFieldID(env, clazz, "mJavaScriptCanOpenWindowsAutomatically", "Z");
     dom_storage_enabled =
         GetFieldID(env, clazz, "mDomStorageEnabled", "Z");
@@ skipping 10 matching lines @@
   jfieldID serif_font_family;
   jfieldID cursive_font_family;
   jfieldID fantasy_font_family;
   jfieldID default_text_encoding;
   jfieldID user_agent;
   jfieldID minimum_font_size;
   jfieldID minimum_logical_font_size;
   jfieldID default_font_size;
   jfieldID default_fixed_font_size;
   jfieldID load_images_automatically;
+  jfieldID images_enabled;
   jfieldID java_script_enabled;
   jfieldID allow_universal_access_from_file_urls;
   jfieldID allow_file_access_from_file_urls;
   jfieldID java_script_can_open_windows_automatically;
   jfieldID dom_storage_enabled;
   jfieldID allow_file_url_access;
   jfieldID allow_content_url_access;
 };
 
 ContentSettings::ContentSettings(JNIEnv* env,
@@ skipping 82 matching lines @@
   env->SetIntField(
       obj, field_ids_->default_fixed_font_size, prefs.default_fixed_font_size);
   CheckException(env);
 
   env->SetBooleanField(
       obj,
       field_ids_->load_images_automatically, prefs.loads_images_automatically);
   CheckException(env);
 
   env->SetBooleanField(
+      obj,
+      field_ids_->images_enabled, prefs.images_enabled);
+  CheckException(env);
+
+  env->SetBooleanField(
       obj, field_ids_->java_script_enabled, prefs.javascript_enabled);
   CheckException(env);
 
   env->SetBooleanField(
       obj,
       field_ids_->allow_universal_access_from_file_urls,
       prefs.allow_universal_access_from_file_urls);
   CheckException(env);
 
   env->SetBooleanField(
@@ skipping 77 matching lines @@
 
   prefs.default_font_size =
       env->GetIntField(obj, field_ids_->default_font_size);
 
   prefs.default_fixed_font_size =
       env->GetIntField(obj, field_ids_->default_fixed_font_size);
 
   prefs.loads_images_automatically =
       env->GetBooleanField(obj, field_ids_->load_images_automatically);
 
+  prefs.images_enabled =
+      env->GetBooleanField(obj, field_ids_->images_enabled);
+
   prefs.javascript_enabled =
       env->GetBooleanField(obj, field_ids_->java_script_enabled);
 
   prefs.allow_universal_access_from_file_urls = env->GetBooleanField(
       obj, field_ids_->allow_universal_access_from_file_urls);
 
   prefs.allow_file_access_from_file_urls = env->GetBooleanField(
       obj, field_ids_->allow_file_access_from_file_urls);
 
   prefs.javascript_can_open_windows_automatically = env->GetBooleanField(
@@ skipping 30 matching lines @@
   return reinterpret_cast<jint>(content_settings);
 }
 
 static jstring GetDefaultUserAgent(JNIEnv* env, jclass clazz) {
   // "Version/4.0" had been hardcoded in the legacy WebView.
   std::string ua = webkit_glue::BuildUserAgentFromProduct("Version/4.0");
   return base::android::ConvertUTF8ToJavaString(env, ua).Release();
 }
 
 }  // namespace content