But my scenario is: another standalone program does the translating, and I want the procedure of capturing the word be transparent to chrome.
----- Original Message ----- From: "Eric Seidel" <esei...@chromium.org> To: "xb zhou" <xb.z...@qq.com> Cc: chromium-dev@googlegroups.com Sent: 2010年 9 月 16日, 星期四 上午 5:20:32 GMT +08:00 Beijing / Chongqing / Hong Kong / Urumqi Subject: Re: [chromium-dev] Problem in Hooking 'ExTextOut' Were I to write something like this, I would use a user script injected into the page. I would not attempt to catch OS-level hooks like this. >From JavaScript you can capture mouse moved events, get the current text under the cursor, and send that off to some server for translation. -eric On Wed, Sep 15, 2010 at 10:04 AM, ZHOU Xiaobo <xb.z...@qq.com> wrote: > Hi: > > I want to: > capture the word under my cursor and translate it into Chinese. A > normal way to achieve this is injecting a DLL and hooking the > systemcall 'ExTextOut'; when my cursor move over the word, an > 'invalidatedata' will be invoked and 'ExTextOut' too, then I > can get the word. > > Since the 'render' process of Chrome has no window, I create a remote > thread into the 'render' process's address > space and call 'LoadLibrary' to load my DLL. The result is the 'OpenFile' > failed. > > I found: > 'OpenFile' is hooked and the address is 'ErrorXXX'(or sth like that). > So I manually changed the address to the real adress of 'OpenFile' in > 'NTDLL', but it still failed > with error: 'permission denied'. > > > My question is: > what the sandbox does is just hooking a subset of the systemcall such > as 'OpenFile' 'CreateProcess' etc ? > what is the correct way to achieve my goal? > > thanks a lot. > > > > > > > ZHOU Xiaobo > > > > -- > Chromium Developers mailing list: chromium-dev@googlegroups.com > View archives, change email options, or unsubscribe: > http://groups.google.com/group/chromium-dev > -- Chromium Developers mailing list: chromium-dev@googlegroups.com View archives, change email options, or unsubscribe: http://groups.google.com/group/chromium-dev
