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/*
* Copyright (C) 2013 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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 APPLE INC. AND ITS CONTRIBUTORS ``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 APPLE INC. OR ITS 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.
*/
WebInspector.SourceCode = class SourceCode extends WebInspector.Object
{
constructor()
{
super();
this._originalRevision = new WebInspector.SourceCodeRevision(this, null, false);
this._currentRevision = this._originalRevision;
this._sourceMaps = null;
this._formatterSourceMap = null;
this._requestContentPromise = null;
}
// Public
get displayName()
{
// Implemented by subclasses.
console.error("Needs to be implemented by a subclass.");
return "";
}
get originalRevision()
{
return this._originalRevision;
}
get currentRevision()
{
return this._currentRevision;
}
set currentRevision(revision)
{
console.assert(revision instanceof WebInspector.SourceCodeRevision);
if (!(revision instanceof WebInspector.SourceCodeRevision))
return;
console.assert(revision.sourceCode === this);
if (revision.sourceCode !== this)
return;
this._currentRevision = revision;
this.dispatchEventToListeners(WebInspector.SourceCode.Event.ContentDidChange);
}
get content()
{
return this._currentRevision.content;
}
get sourceMaps()
{
return this._sourceMaps || [];
}
addSourceMap(sourceMap)
{
console.assert(sourceMap instanceof WebInspector.SourceMap);
if (!this._sourceMaps)
this._sourceMaps = [];
this._sourceMaps.push(sourceMap);
this.dispatchEventToListeners(WebInspector.SourceCode.Event.SourceMapAdded);
}
get formatterSourceMap()
{
return this._formatterSourceMap;
}
set formatterSourceMap(formatterSourceMap)
{
console.assert(this._formatterSourceMap === null || formatterSourceMap === null);
console.assert(formatterSourceMap === null || formatterSourceMap instanceof WebInspector.FormatterSourceMap);
this._formatterSourceMap = formatterSourceMap;
this.dispatchEventToListeners(WebInspector.SourceCode.Event.FormatterDidChange);
}
requestContent()
{
this._requestContentPromise = this._requestContentPromise || this.requestContentFromBackend().then(this._processContent.bind(this));
return this._requestContentPromise;
}
createSourceCodeLocation(lineNumber, columnNumber)
{
return new WebInspector.SourceCodeLocation(this, lineNumber, columnNumber);
}
createLazySourceCodeLocation(lineNumber, columnNumber)
{
return new WebInspector.LazySourceCodeLocation(this, lineNumber, columnNumber);
}
createSourceCodeTextRange(textRange)
{
return new WebInspector.SourceCodeTextRange(this, textRange);
}
// Protected
revisionContentDidChange(revision)
{
if (this._ignoreRevisionContentDidChangeEvent)
return;
if (revision !== this._currentRevision)
return;
this.handleCurrentRevisionContentChange();
this.dispatchEventToListeners(WebInspector.SourceCode.Event.ContentDidChange);
}
handleCurrentRevisionContentChange()
{
// Implemented by subclasses if needed.
}
get revisionForRequestedContent()
{
// Implemented by subclasses if needed.
return this._originalRevision;
}
markContentAsStale()
{
this._requestContentPromise = null;
this._contentReceived = false;
}
requestContentFromBackend()
{
// Implemented by subclasses.
console.error("Needs to be implemented by a subclass.");
return Promise.reject(new Error("Needs to be implemented by a subclass."));
}
get mimeType()
{
// Implemented by subclasses.
console.error("Needs to be implemented by a subclass.");
}
// Private
_processContent(parameters)
{
// Different backend APIs return one of `content, `body`, `text`, or `scriptSource`.
var content = parameters.content || parameters.body || parameters.text || parameters.scriptSource;
var error = parameters.error;
if (parameters.base64Encoded)
content = decodeBase64ToBlob(content, this.mimeType);
var revision = this.revisionForRequestedContent;
this._ignoreRevisionContentDidChangeEvent = true;
revision.content = content || null;
this._ignoreRevisionContentDidChangeEvent = false;
// FIXME: Returning the content in this promise is misleading. It may not be current content
// now, and it may become out-dated later on. We should drop content from this promise
// and require clients to ask for the current contents from the sourceCode in the result.
return Promise.resolve({
error,
sourceCode: this,
content,
});
}
};
WebInspector.SourceCode.Event = {
ContentDidChange: "source-code-content-did-change",
SourceMapAdded: "source-code-source-map-added",
FormatterDidChange: "source-code-formatter-did-change",
LoadingDidFinish: "source-code-loading-did-finish",
LoadingDidFail: "source-code-loading-did-fail"
};
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