From a923424180b9d2cbe3a3951caed13039eef1edf6 Mon Sep 17 00:00:00 2001
From: Ben Murdoch <benm@google.com>
Date: Fri, 12 Mar 2010 20:46:03 +0000
Subject: Add a new API on the resource loader to pause the current load. We
 use this when the plugin cannot accept any more data to prevent WebKit
 buffering the data that the plugin can't take. This can result in a crash if
 the buffer gets too big (when watching an HD movie clip in flash, for
 example).

Requires a frameworks/base change.

Change-Id: Ibb63d38df1014ff70fa4d65275613cbf3a217c1a
---
 WebCore/platform/network/ResourceHandle.h                  | 6 +++++-
 WebCore/platform/network/android/ResourceHandleAndroid.cpp | 9 +++++++++
 WebCore/platform/network/android/ResourceLoaderAndroid.h   | 3 +++
 3 files changed, 17 insertions(+), 1 deletion(-)

(limited to 'WebCore/platform')

diff --git a/WebCore/platform/network/ResourceHandle.h b/WebCore/platform/network/ResourceHandle.h
index b764add..e340aca 100644
--- a/WebCore/platform/network/ResourceHandle.h
+++ b/WebCore/platform/network/ResourceHandle.h
@@ -189,7 +189,11 @@ public:
     void setClient(ResourceHandleClient*);
 
     void setDefersLoading(bool);
-      
+#if PLATFORM(ANDROID)
+// TODO: this needs upstreaming.
+    void pauseLoad(bool);
+#endif
+
     const ResourceRequest& request() const;
 
     void fireFailure(Timer<ResourceHandle>*);
diff --git a/WebCore/platform/network/android/ResourceHandleAndroid.cpp b/WebCore/platform/network/android/ResourceHandleAndroid.cpp
index 1154b47..6759852 100644
--- a/WebCore/platform/network/android/ResourceHandleAndroid.cpp
+++ b/WebCore/platform/network/android/ResourceHandleAndroid.cpp
@@ -84,6 +84,15 @@ bool ResourceHandle::supportsBufferedData()
     return false;
 }
 
+#if PLATFORM(ANDROID)
+// TODO: this needs upstreaming.
+void ResourceHandle::pauseLoad(bool pause)
+{
+    if (d->m_loader)
+        d->m_loader->pauseLoad(pause);
+}
+#endif
+
 void ResourceHandle::setDefersLoading(bool defers)
 {
     notImplemented();
diff --git a/WebCore/platform/network/android/ResourceLoaderAndroid.h b/WebCore/platform/network/android/ResourceLoaderAndroid.h
index 004675e..f627d62 100644
--- a/WebCore/platform/network/android/ResourceLoaderAndroid.h
+++ b/WebCore/platform/network/android/ResourceLoaderAndroid.h
@@ -42,6 +42,9 @@ public:
 
     virtual void cancel() = 0;
     virtual void downloadFile() = 0;
+    // ANDROID TODO: This needs to be upstreamed.
+    virtual void pauseLoad(bool) = 0;
+    // END ANDROID TODO
 
     // Call to java to find out if this URL is in the cache
     static bool willLoadFromCache(const WebCore::KURL&, int64_t identifier);
-- 
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