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- Add MayBlock() method to stream classes which is used as a hint when determining the thread to access the stream from (issue #1187).

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- In cases where MayBlock() returns true have CefStreamResourceReader perform the reads on the FILE thread (issue #1187).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1582 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
This commit is contained in:
Marshall Greenblatt
2014-01-30 23:15:55 +00:00
parent 89a8832550
commit 2534b67365
23 changed files with 541 additions and 18 deletions
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10
libcef/browser/stream_impl.h
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@@ -20,6 +20,7 @@ class CefFileReader : public CefStreamReader {
virtual int Seek(int64 offset, int whence) OVERRIDE;
virtual int64 Tell() OVERRIDE;
virtual int Eof() OVERRIDE;
virtual bool MayBlock() OVERRIDE { return true; }
protected:
bool close_;
@@ -39,6 +40,7 @@ class CefFileWriter : public CefStreamWriter {
virtual int Seek(int64 offset, int whence) OVERRIDE;
virtual int64 Tell() OVERRIDE;
virtual int Flush() OVERRIDE;
virtual bool MayBlock() OVERRIDE { return true; }
protected:
FILE* file_;
@@ -58,6 +60,7 @@ class CefBytesReader : public CefStreamReader {
virtual int Seek(int64 offset, int whence) OVERRIDE;
virtual int64 Tell() OVERRIDE;
virtual int Eof() OVERRIDE;
virtual bool MayBlock() OVERRIDE { return false; }
void SetData(void* data, int64 datasize, bool copy);
@@ -84,6 +87,7 @@ class CefBytesWriter : public CefStreamWriter {
virtual int Seek(int64 offset, int whence) OVERRIDE;
virtual int64 Tell() OVERRIDE;
virtual int Flush() OVERRIDE;
virtual bool MayBlock() OVERRIDE { return false; }
void* GetData() { return data_; }
int64 GetDataSize() { return offset_; }
@@ -119,6 +123,9 @@ class CefHandlerReader : public CefStreamReader {
virtual int Eof() OVERRIDE {
return handler_->Eof();
}
virtual bool MayBlock() OVERRIDE {
return handler_->MayBlock();
}
protected:
CefRefPtr<CefReadHandler> handler_;
@@ -144,6 +151,9 @@ class CefHandlerWriter : public CefStreamWriter {
virtual int Flush() OVERRIDE {
return handler_->Flush();
}
virtual bool MayBlock() OVERRIDE {
return handler_->MayBlock();
}
protected:
CefRefPtr<CefWriteHandler> handler_;