| /* |
| * Copyright (C) 2013 Google Inc. |
| * Licensed to The Android Open Source Project. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.mail.utils; |
| |
| import android.content.res.Resources; |
| import android.webkit.WebSettings; |
| |
| import com.android.mail.R; |
| |
| public class ConversationViewUtils { |
| public static void setTextZoom(Resources resources, WebSettings settings) { |
| final float fontScale = resources.getConfiguration().fontScale; |
| final int desiredFontSizePx = resources.getInteger( |
| R.integer.conversation_desired_font_size_px); |
| final int unstyledFontSizePx = resources.getInteger( |
| R.integer.conversation_unstyled_font_size_px); |
| |
| int textZoom = settings.getTextZoom(); |
| // apply a correction to the default body text style to get regular text to the size we want |
| textZoom = textZoom * desiredFontSizePx / unstyledFontSizePx; |
| // then apply any system font scaling |
| textZoom = (int) (textZoom * fontScale); |
| settings.setTextZoom(textZoom); |
| } |
| } |