[Android WebView] Move the most of WebSettings into AwSettings

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"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/content_client.h"
 #include "jni/ContentSettings_jni.h"
 #include "webkit/glue/webkit_glue.h"
 #include "webkit/glue/webpreferences.h"
-#include "webkit/user_agent/user_agent.h"
 
-using base::android::CheckException;
-using base::android::ConvertJavaStringToUTF16;
-using base::android::ConvertUTF16ToJavaString;
-using base::android::ConvertUTF8ToJavaString;
-using base::android::GetClass;
 using base::android::GetFieldID;
-using base::android::GetMethodIDFromClassName;
 using base::android::ScopedJavaLocalRef;
-using webkit_glue::WebPreferences;
 
 namespace content {
 
 struct ContentSettings::FieldIds {
-  // Note on speed. One may think that an approach that reads field values via
-  // JNI is ineffective and should not be used. Please keep in mind that in the
-  // legacy WebView the whole Sync method took <1ms on Xoom, and no one is
-  // expected to modify settings in performance-critical code.
   FieldIds() { }
 
   FieldIds(JNIEnv* env) {
-    const char* kStringClassName = "Ljava/lang/String;";
-
     // FIXME: we should be using a new GetFieldIDFromClassName() with caching.

[bulach, 2013/04/25 12:55:57]

ditto..

-    ScopedJavaLocalRef<jclass> clazz(
-        GetClass(env, "org/chromium/content/browser/ContentSettings"));
-    text_size_percent = GetFieldID(env, clazz, "mTextSizePercent", "I");
-    standard_fond_family =
-        GetFieldID(env, clazz, "mStandardFontFamily", kStringClassName);
-    fixed_font_family =
-        GetFieldID(env, clazz, "mFixedFontFamily", kStringClassName);
-    sans_serif_font_family =
-        GetFieldID(env, clazz, "mSansSerifFontFamily", kStringClassName);
-    serif_font_family =
-        GetFieldID(env, clazz, "mSerifFontFamily", kStringClassName);
-    cursive_font_family =
-        GetFieldID(env, clazz, "mCursiveFontFamily", kStringClassName);
-    fantasy_font_family =
-        GetFieldID(env, clazz, "mFantasyFontFamily", kStringClassName);
-    default_text_encoding =
-        GetFieldID(env, clazz, "mDefaultTextEncoding", kStringClassName);
-    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");
+    ScopedJavaLocalRef<jclass> clazz(base::android::GetClass(
+        env, "org/chromium/content/browser/ContentSettings"));
     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");
-    support_multiple_windows =
-        GetFieldID(env, clazz, "mSupportMultipleWindows", "Z");
-    dom_storage_enabled =
-        GetFieldID(env, clazz, "mDomStorageEnabled", "Z");
-    database_enabled =
-        GetFieldID(env, clazz, "mDatabaseEnabled", "Z");
-    use_wide_viewport =
-        GetFieldID(env, clazz, "mUseWideViewport", "Z");
-    load_with_overview_mode =
-        GetFieldID(env, clazz, "mLoadWithOverviewMode", "Z");
-    media_playback_requires_user_gesture =
-        GetFieldID(env, clazz, "mMediaPlaybackRequiresUserGesture", "Z");
-    default_video_poster_url =
-        GetFieldID(env, clazz, "mDefaultVideoPosterURL", kStringClassName);
-    support_deprecated_target_density_dpi =
-        GetFieldID(env, clazz, "mSupportDeprecatedTargetDensityDPI", "Z");
   }
 
   // Field ids
-  jfieldID text_size_percent;
-  jfieldID standard_fond_family;
-  jfieldID fixed_font_family;
-  jfieldID sans_serif_font_family;
-  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 support_multiple_windows;
-  jfieldID dom_storage_enabled;
-  jfieldID database_enabled;
-  jfieldID use_wide_viewport;
-  jfieldID load_with_overview_mode;
-  jfieldID media_playback_requires_user_gesture;
-  jfieldID default_video_poster_url;
-  jfieldID support_deprecated_target_density_dpi;
 };
 
 ContentSettings::ContentSettings(JNIEnv* env,
                          jobject obj,
-                         WebContents* contents,
-                         bool is_master_mode)
+                         WebContents* contents)
     : WebContentsObserver(contents),
-      is_master_mode_(is_master_mode),
       content_settings_(env, obj) {
 }
 
 ContentSettings::~ContentSettings() {
   JNIEnv* env = base::android::AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = content_settings_.get(env);
   if (obj.obj()) {
     Java_ContentSettings_onNativeContentSettingsDestroyed(env, obj.obj(),
         reinterpret_cast<jint>(this));
   }
 }
 
 // static
 bool ContentSettings::RegisterContentSettings(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 void ContentSettings::SyncFromNativeImpl() {
   JNIEnv* env = base::android::AttachCurrentThread();
   CHECK(env);
   if (!field_ids_)
     field_ids_.reset(new FieldIds(env));
 
   ScopedJavaLocalRef<jobject> scoped_obj = content_settings_.get(env);
   jobject obj = scoped_obj.obj();
   if (!obj)
     return;
   RenderViewHost* render_view_host = web_contents()->GetRenderViewHost();
-  WebPreferences prefs = render_view_host->GetDelegate()->GetWebkitPrefs();
-
-  Java_ContentSettings_setTextAutosizingEnabled(
-      env, obj, prefs.text_autosizing_enabled);
-  CheckException(env);
-
-  env->SetIntField(
-      obj,
-      field_ids_->text_size_percent,
-      prefs.font_scale_factor * 100.0f);
-  CheckException(env);
-
-  ScopedJavaLocalRef<jstring> str =
-      ConvertUTF16ToJavaString(env,
-          prefs.standard_font_family_map[WebPreferences::kCommonScript]);
-  env->SetObjectField(obj, field_ids_->standard_fond_family, str.obj());
-  CheckException(env);
-
-  str.Reset(ConvertUTF16ToJavaString(env,
-      prefs.fixed_font_family_map[WebPreferences::kCommonScript]));
-  env->SetObjectField(obj, field_ids_->fixed_font_family, str.obj());
-  CheckException(env);
-
-  str.Reset(ConvertUTF16ToJavaString(env,
-      prefs.sans_serif_font_family_map[WebPreferences::kCommonScript]));
-  env->SetObjectField(obj, field_ids_->sans_serif_font_family, str.obj());
-  CheckException(env);
-
-  str.Reset(ConvertUTF16ToJavaString(env,
-      prefs.serif_font_family_map[WebPreferences::kCommonScript]));
-  env->SetObjectField(obj, field_ids_->serif_font_family, str.obj());
-  CheckException(env);
-
-  str.Reset(ConvertUTF16ToJavaString(env,
-      prefs.cursive_font_family_map[WebPreferences::kCommonScript]));
-  env->SetObjectField(obj, field_ids_->cursive_font_family, str.obj());
-  CheckException(env);
-
-  str.Reset(ConvertUTF16ToJavaString(env,
-      prefs.fantasy_font_family_map[WebPreferences::kCommonScript]));
-  env->SetObjectField(obj, field_ids_->fantasy_font_family, str.obj());
-  CheckException(env);
-
-  str.Reset(ConvertUTF8ToJavaString(env, prefs.default_encoding));
-  env->SetObjectField(obj, field_ids_->default_text_encoding, str.obj());
-  CheckException(env);
-
-  str.Reset(ConvertUTF8ToJavaString(env, webkit_glue::GetUserAgent(GURL(""))));
-  env->SetObjectField(obj, field_ids_->user_agent, str.obj());
-  CheckException(env);
-
-  env->SetIntField(obj, field_ids_->minimum_font_size,
-                   prefs.minimum_font_size);
-  CheckException(env);
-
-  env->SetIntField(
-      obj,
-      field_ids_->minimum_logical_font_size, prefs.minimum_logical_font_size);
-  CheckException(env);
-
-  env->SetIntField(obj, field_ids_->default_font_size,
-                   prefs.default_font_size);
-  CheckException(env);
-
-  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);
+  webkit_glue::WebPreferences prefs =
+      render_view_host->GetDelegate()->GetWebkitPrefs();
 
   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(
-      obj,
-      field_ids_->allow_file_access_from_file_urls,
-      prefs.allow_file_access_from_file_urls);
-  CheckException(env);
-
-  env->SetBooleanField(
-      obj,
-      field_ids_->java_script_can_open_windows_automatically,
-      prefs.javascript_can_open_windows_automatically);
-  CheckException(env);
-
-  env->SetBooleanField(
-      obj,
-      field_ids_->support_multiple_windows,
-      prefs.supports_multiple_windows);
-  CheckException(env);
-
-  Java_ContentSettings_setPluginsDisabled(env, obj, !prefs.plugins_enabled);
-  CheckException(env);
-
-  // We don't need to sync AppCache settings to Java, because there are
-  // no getters for them in the API.
-
-  env->SetBooleanField(
-      obj,
-      field_ids_->dom_storage_enabled,
-      prefs.local_storage_enabled);
-  CheckException(env);
-
-  env->SetBooleanField(
-      obj,
-      field_ids_->database_enabled,
-      prefs.databases_enabled);
-  CheckException(env);
-
-  env->SetBooleanField(
-      obj,
-      field_ids_->use_wide_viewport,
-      prefs.use_wide_viewport);
-  CheckException(env);
-
-  env->SetBooleanField(
-      obj,
-      field_ids_->load_with_overview_mode,
-      prefs.initialize_at_minimum_page_scale);
-  CheckException(env);
-
-  env->SetBooleanField(
-      obj,
-      field_ids_->media_playback_requires_user_gesture,
-      prefs.user_gesture_required_for_media_playback);
-  CheckException(env);
-
-  str.Reset(
-      ConvertUTF8ToJavaString(env, prefs.default_video_poster_url.spec()));
-  env->SetObjectField(obj, field_ids_->default_video_poster_url, str.obj());
-  CheckException(env);
-}
-
-void ContentSettings::SyncToNativeImpl() {
-  JNIEnv* env = base::android::AttachCurrentThread();
-  CHECK(env);
-  if (!field_ids_)
-    field_ids_.reset(new FieldIds(env));
-
-  ScopedJavaLocalRef<jobject> scoped_obj = content_settings_.get(env);
-  jobject obj = scoped_obj.obj();
-  if (!obj)
-    return;
-  RenderViewHost* render_view_host = web_contents()->GetRenderViewHost();
-  WebPreferences prefs = render_view_host->GetDelegate()->GetWebkitPrefs();
-
-  prefs.text_autosizing_enabled =
-      Java_ContentSettings_getTextAutosizingEnabled(env, obj);
-
-  int text_size_percent = env->GetIntField(obj, field_ids_->text_size_percent);
-  if (prefs.text_autosizing_enabled) {
-    prefs.font_scale_factor = text_size_percent / 100.0f;
-    prefs.force_enable_zoom = text_size_percent >= 130;
-  } else {
-    prefs.force_enable_zoom = false;
-  }
-
-  ScopedJavaLocalRef<jstring> str(
-      env, static_cast<jstring>(
-          env->GetObjectField(obj, field_ids_->standard_fond_family)));
-  prefs.standard_font_family_map[WebPreferences::kCommonScript] =
-      ConvertJavaStringToUTF16(str);
-
-  str.Reset(
-      env, static_cast<jstring>(
-          env->GetObjectField(obj, field_ids_->fixed_font_family)));
-  prefs.fixed_font_family_map[WebPreferences::kCommonScript] =
-      ConvertJavaStringToUTF16(str);
-
-  str.Reset(
-      env, static_cast<jstring>(
-          env->GetObjectField(obj, field_ids_->sans_serif_font_family)));
-  prefs.sans_serif_font_family_map[WebPreferences::kCommonScript] =
-      ConvertJavaStringToUTF16(str);
-
-  str.Reset(
-      env, static_cast<jstring>(
-          env->GetObjectField(obj, field_ids_->serif_font_family)));
-  prefs.serif_font_family_map[WebPreferences::kCommonScript] =
-      ConvertJavaStringToUTF16(str);
-
-  str.Reset(
-      env, static_cast<jstring>(
-          env->GetObjectField(obj, field_ids_->cursive_font_family)));
-  prefs.cursive_font_family_map[WebPreferences::kCommonScript] =
-      ConvertJavaStringToUTF16(str);
-
-  str.Reset(
-      env, static_cast<jstring>(
-          env->GetObjectField(obj, field_ids_->fantasy_font_family)));
-  prefs.fantasy_font_family_map[WebPreferences::kCommonScript] =
-      ConvertJavaStringToUTF16(str);
-
-  str.Reset(
-      env, static_cast<jstring>(
-          env->GetObjectField(obj, field_ids_->default_text_encoding)));
-  prefs.default_encoding = ConvertJavaStringToUTF8(str);
-
-  prefs.minimum_font_size =
-      env->GetIntField(obj, field_ids_->minimum_font_size);
-
-  prefs.minimum_logical_font_size =
-      env->GetIntField(obj, field_ids_->minimum_logical_font_size);
-
-  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(
-      obj, field_ids_->java_script_can_open_windows_automatically);
-
-  prefs.supports_multiple_windows = env->GetBooleanField(
-      obj, field_ids_->support_multiple_windows);
-
-  prefs.plugins_enabled = !Java_ContentSettings_getPluginsDisabled(env, obj);
-
-  prefs.application_cache_enabled =
-      Java_ContentSettings_getAppCacheEnabled(env, obj);
-
-  prefs.local_storage_enabled = env->GetBooleanField(
-      obj, field_ids_->dom_storage_enabled);
-
-  prefs.databases_enabled = env->GetBooleanField(
-      obj, field_ids_->database_enabled);
-
-  prefs.double_tap_to_zoom_enabled = prefs.use_wide_viewport =
-      env->GetBooleanField(obj, field_ids_->use_wide_viewport);
-
-  prefs.initialize_at_minimum_page_scale = env->GetBooleanField(
-      obj, field_ids_->load_with_overview_mode);
-
-  prefs.user_gesture_required_for_media_playback = env->GetBooleanField(
-      obj, field_ids_->media_playback_requires_user_gesture);
-
-  str.Reset(
-      env, static_cast<jstring>(
-          env->GetObjectField(obj, field_ids_->default_video_poster_url)));
-  prefs.default_video_poster_url = str.obj() ?
-      GURL(ConvertJavaStringToUTF8(str)) : GURL();
-
-  prefs.support_deprecated_target_density_dpi = env->GetBooleanField(
-      obj, field_ids_->support_deprecated_target_density_dpi);
-
-  render_view_host->UpdateWebkitPreferences(prefs);
+  base::android::CheckException(env);
 }
 
 void ContentSettings::SyncFromNative(JNIEnv* env, jobject obj) {
   SyncFromNativeImpl();
 }
 
-void ContentSettings::SyncToNative(JNIEnv* env, jobject obj) {
-  SyncToNativeImpl();
-}
-
-void ContentSettings::RenderViewCreated(RenderViewHost* render_view_host) {
-  if (is_master_mode_)
-    SyncToNativeImpl();
-}
-
 void ContentSettings::WebContentsDestroyed(WebContents* web_contents) {
   delete this;
 }
 
-static jint Init(JNIEnv* env, jobject obj, jint nativeContentViewCore,
-                 jboolean is_master_mode) {
+static jint Init(JNIEnv* env, jobject obj, jint nativeContentViewCore) {
   WebContents* web_contents =
       reinterpret_cast<ContentViewCoreImpl*>(nativeContentViewCore)
           ->GetWebContents();
   ContentSettings* content_settings =
-      new ContentSettings(env, obj, web_contents, is_master_mode);
+      new ContentSettings(env, obj, web_contents);
   return reinterpret_cast<jint>(content_settings);
 }
 
-static jstring GetDefaultUserAgent(JNIEnv* env, jclass clazz) {
-  return base::android::ConvertUTF8ToJavaString(
-      env, GetContentClient()->GetUserAgent()).Release();
-}
-
 }  // namespace content