[Android WebView] Implement WebSettings.{get|set}UseWideViewport

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 62 matching lines @@
     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");
+    use_wide_viewport =
+        GetFieldID(env, clazz, "mUseWideViewport", "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 use_wide_viewport;
 };
 
 ContentSettings::ContentSettings(JNIEnv* env,
                          jobject obj,
                          WebContents* contents,
                          bool is_master_mode)
     : WebContentsObserver(contents),
       is_master_mode_(is_master_mode),
       content_settings_(env, obj) {
 }
@@ skipping 133 matching lines @@
   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_->use_wide_viewport,
+      prefs.viewport_enabled);
+  CheckException(env);
 }
 
 void ContentSettings::SyncToNativeImpl() {
   JNIEnv* env = base::android::AttachCurrentThread();
   CHECK(env);
   if (!field_ids_.get())
     field_ids_.reset(new FieldIds(env));
 
   ScopedJavaLocalRef<jobject> scoped_obj = content_settings_.get(env);
   jobject obj = scoped_obj.obj();
@@ skipping 84 matching lines @@
       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.viewport_enabled = env->GetBooleanField(
+      obj, field_ids_->use_wide_viewport);
+
   render_view_host->UpdateWebkitPreferences(prefs);
 }
 
 void ContentSettings::SyncFromNative(JNIEnv* env, jobject obj) {
   SyncFromNativeImpl();
 }
 
 void ContentSettings::SyncToNative(JNIEnv* env, jobject obj) {
   SyncToNativeImpl();
 }
@@ skipping 16 matching lines @@
       new ContentSettings(env, obj, web_contents, is_master_mode);
   return reinterpret_cast<jint>(content_settings);
 }
 
 static jstring GetDefaultUserAgent(JNIEnv* env, jclass clazz) {
   return base::android::ConvertUTF8ToJavaString(
       env, GetContentClient()->GetUserAgent()).Release();
 }
 
 }  // namespace content