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| 1 // Copyright 2015 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 #ifndef CHROME_BROWSER_ANDROID_TAB_BACKGROUND_CONTENT_VIEW_HELPER_H_ |
| 6 #define CHROME_BROWSER_ANDROID_TAB_BACKGROUND_CONTENT_VIEW_HELPER_H_ |
| 7 |
| 8 #include "base/android/jni_android.h" |
| 9 #include "base/android/jni_weak_ref.h" |
| 10 #include "base/android/scoped_java_ref.h" |
| 11 #include "base/basictypes.h" |
| 12 #include "base/memory/scoped_ptr.h" |
| 13 #include "cc/layers/layer.h" |
| 14 |
| 15 namespace content { |
| 16 class WebContents; |
| 17 } |
| 18 |
| 19 namespace chrome { |
| 20 namespace android { |
| 21 class ChromeWebContentsDelegateAndroid; |
| 22 } |
| 23 } |
| 24 |
| 25 class BackgroundContentViewHelper { |
| 26 public: |
| 27 static BackgroundContentViewHelper* FromJavaObject(JNIEnv* env, |
| 28 jobject jobj); |
| 29 static bool Register(JNIEnv* env); |
| 30 |
| 31 BackgroundContentViewHelper(); |
| 32 virtual ~BackgroundContentViewHelper(); |
| 33 |
| 34 void Destroy(JNIEnv* env, jobject jobj); |
| 35 void SetWebContents(JNIEnv* env, |
| 36 jobject jobj, |
| 37 jobject jcontent_view_core, |
| 38 jobject jweb_contents_delegate); |
| 39 void DestroyWebContents(JNIEnv* env, jobject jobj); |
| 40 void ReleaseWebContents(JNIEnv* env, jobject jobj); |
| 41 void MergeHistoryFrom(JNIEnv* env, jobject jobj, jobject jweb_contents); |
| 42 // Calls 'unload' handler and destroys the web_contents passed in. |
| 43 void UnloadAndDeleteWebContents(JNIEnv* env, |
| 44 jobject jobj, |
| 45 jobject jweb_contents); |
| 46 int GetSwapTimeoutMs(JNIEnv* env, jobject obj); |
| 47 int GetNumFramesNeededForSwap(JNIEnv* env, jobject obj); |
| 48 |
| 49 private: |
| 50 scoped_refptr<cc::Layer> GetContentLayer(); |
| 51 |
| 52 scoped_ptr<content::WebContents> web_contents_; |
| 53 scoped_ptr<chrome::android::ChromeWebContentsDelegateAndroid> |
| 54 web_contents_delegate_; |
| 55 |
| 56 DISALLOW_COPY_AND_ASSIGN(BackgroundContentViewHelper); |
| 57 }; |
| 58 |
| 59 #endif // CHROME_BROWSER_ANDROID_TAB_BACKGROUND_CONTENT_VIEW_HELPER_H_ |
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