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| 1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 package org.chromium.content.browser; | 5 package org.chromium.content.browser; |
| 6 | 6 |
| 7 import org.chromium.base.CalledByNative; | 7 import org.chromium.base.CalledByNative; |
| 8 import org.chromium.base.JNINamespace; | 8 import org.chromium.base.JNINamespace; |
| 9 import org.chromium.base.ThreadUtils; | 9 import org.chromium.base.ThreadUtils; |
| 10 import org.chromium.content_public.browser.WebContents; | 10 import org.chromium.content_public.browser.WebContents; |
| 11 | 11 |
| 12 /** | 12 /** |
| 13 * This class receives callbacks that act as hooks for various a native web cont
ents events related | 13 * This class receives callbacks that act as hooks for various a native web cont
ents events related |
| 14 * to loading a url. A single web contents can have multiple WebContentObserverA
ndroids. | 14 * to loading a url. A single web contents can have multiple WebContentObservers
. |
| 15 */ | 15 */ |
| 16 @JNINamespace("content") | 16 @JNINamespace("content") |
| 17 public abstract class WebContentsObserverAndroid { | 17 public abstract class WebContentsObserver { |
| 18 private long mNativeWebContentsObserverAndroid; | 18 private long mNativeWebContentsObserverAndroid; |
| 19 | 19 |
| 20 public WebContentsObserverAndroid(WebContents webContents) { | 20 public WebContentsObserver(WebContents webContents) { |
| 21 ThreadUtils.assertOnUiThread(); | 21 ThreadUtils.assertOnUiThread(); |
| 22 mNativeWebContentsObserverAndroid = nativeInit(webContents); | 22 mNativeWebContentsObserverAndroid = nativeInit(webContents); |
| 23 } | 23 } |
| 24 | 24 |
| 25 @CalledByNative | 25 @CalledByNative |
| 26 public void renderProcessGone(boolean wasOomProtected) { | 26 public void renderProcessGone(boolean wasOomProtected) { |
| 27 } | 27 } |
| 28 | 28 |
| 29 /** | 29 /** |
| 30 * Called when the a page starts loading. | 30 * Called when the a page starts loading. |
| (...skipping 156 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 187 public void detachFromWebContents() { | 187 public void detachFromWebContents() { |
| 188 if (mNativeWebContentsObserverAndroid != 0) { | 188 if (mNativeWebContentsObserverAndroid != 0) { |
| 189 nativeDestroy(mNativeWebContentsObserverAndroid); | 189 nativeDestroy(mNativeWebContentsObserverAndroid); |
| 190 mNativeWebContentsObserverAndroid = 0; | 190 mNativeWebContentsObserverAndroid = 0; |
| 191 } | 191 } |
| 192 } | 192 } |
| 193 | 193 |
| 194 private native long nativeInit(WebContents webContents); | 194 private native long nativeInit(WebContents webContents); |
| 195 private native void nativeDestroy(long nativeWebContentsObserverAndroid); | 195 private native void nativeDestroy(long nativeWebContentsObserverAndroid); |
| 196 } | 196 } |
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