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| author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
|---|---|---|
| committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
| commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
| tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/bindings/v8/custom/V8CustomPositionCallback.cpp | |
| parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
| download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 | |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/bindings/v8/custom/V8CustomPositionCallback.cpp')
| -rw-r--r-- | Source/WebCore/bindings/v8/custom/V8CustomPositionCallback.cpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/Source/WebCore/bindings/v8/custom/V8CustomPositionCallback.cpp b/Source/WebCore/bindings/v8/custom/V8CustomPositionCallback.cpp new file mode 100644 index 0000000..97d0dde --- /dev/null +++ b/Source/WebCore/bindings/v8/custom/V8CustomPositionCallback.cpp @@ -0,0 +1,82 @@ +/* + * Copyright 2009, The Android Open Source Project + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" +#include "V8CustomPositionCallback.h" + +#if ENABLE(GEOLOCATION) + +#include "ScriptExecutionContext.h" +#include "V8CustomVoidCallback.h" // For invokeCallback +#include "V8Geoposition.h" +#include "V8Proxy.h" + +namespace WebCore { + +V8CustomPositionCallback::V8CustomPositionCallback(v8::Local<v8::Object> callback, ScriptExecutionContext* context) + : PositionCallback(context) + , m_callback(v8::Persistent<v8::Object>::New(callback)) +{ +} + +V8CustomPositionCallback::~V8CustomPositionCallback() +{ + m_callback.Dispose(); +} + +void V8CustomPositionCallback::handleEvent(Geoposition* position) +{ + v8::HandleScope handleScope; + + // ActiveDOMObject will null our pointer to the ScriptExecutionContext when it goes away. + ScriptExecutionContext* scriptContext = scriptExecutionContext(); + if (!scriptContext) + return; + + // The lookup of the proxy will fail if the Frame has been detached. + V8Proxy* proxy = V8Proxy::retrieve(scriptContext); + if (!proxy) + return; + + v8::Handle<v8::Context> context = proxy->context(); + if (context.IsEmpty()) + return; + + v8::Context::Scope scope(context); + + v8::Handle<v8::Value> argv[] = { + toV8(position) + }; + + // Protect the script context until the callback returns. + RefPtr<ScriptExecutionContext> protector(scriptContext); + + bool callbackReturnValue = false; + invokeCallback(m_callback, 1, argv, callbackReturnValue, scriptContext); +} + +} // namespace WebCore + +#endif // ENABLE(GEOLOCATION) |
