content/browser/screen_orientation/screen_orientation_delegate_android.cc

   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 #include "content/browser/screen_orientation/screen_orientation_delegate_android.h"
   6
   7 #include "content/browser/android/content_view_core_impl.h"
   8 #include "jni/ScreenOrientationProvider_jni.h"
   9
  10 namespace content {
  11
  12 ScreenOrientationDelegateAndroid::ScreenOrientationDelegateAndroid() {
  13 }
  14
  15 ScreenOrientationDelegateAndroid::~ScreenOrientationDelegateAndroid() {
  16 }
  17
  18 // static
  19 bool ScreenOrientationDelegateAndroid::Register(JNIEnv* env) {
  20   return RegisterNativesImpl(env);
  21 }
  22
  23 // static
  24 void ScreenOrientationDelegateAndroid::StartAccurateListening() {
  25   Java_ScreenOrientationProvider_startAccurateListening(
  26       base::android::AttachCurrentThread());
  27 }
  28
  29 // static
  30 void ScreenOrientationDelegateAndroid::StopAccurateListening() {
  31   Java_ScreenOrientationProvider_stopAccurateListening(
  32       base::android::AttachCurrentThread());
  33 }
  34
  35 bool ScreenOrientationDelegateAndroid::FullScreenRequired(
  36     WebContents* web_contents) {
  37   ContentViewCoreImpl* cvc =
  38       ContentViewCoreImpl::FromWebContents(web_contents);
  39   bool fullscreen_required = cvc ? cvc->IsFullscreenRequiredForOrientationLock()
  40                                  : true;
  41   return fullscreen_required;
  42 }
  43
  44 void ScreenOrientationDelegateAndroid::Lock(
  45     blink::WebScreenOrientationLockType lock_orientation) {
  46   Java_ScreenOrientationProvider_lockOrientation(
  47       base::android::AttachCurrentThread(), lock_orientation);
  48 }
  49
  50 bool ScreenOrientationDelegateAndroid::ScreenOrientationProviderSupported() {
  51   // Always supported on Android
  52   return true;
  53 }
  54
  55 void ScreenOrientationDelegateAndroid::Unlock() {
  56   Java_ScreenOrientationProvider_unlockOrientation(
  57       base::android::AttachCurrentThread());
  58 }
  59
  60 } // namespace content