mirror of
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bad4ca4d29
--HG-- rename : layout/style/nsCSSStyleSheet.cpp => layout/style/CSSStyleSheet.cpp rename : layout/style/nsCSSStyleSheet.h => layout/style/CSSStyleSheet.h
407 lines
9.5 KiB
C++
407 lines
9.5 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "inCSSValueSearch.h"
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#include "mozilla/CSSStyleSheet.h"
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#include "mozilla/dom/StyleSheetList.h"
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#include "nsIComponentManager.h"
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#include "nsIServiceManager.h"
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#include "nsReadableUtils.h"
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#include "nsIDOMDocument.h"
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#include "nsIDOMStyleSheetList.h"
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#include "nsIDOMCSSStyleSheet.h"
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#include "nsIDOMCSSRuleList.h"
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#include "nsIDOMCSSStyleRule.h"
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#include "nsIDOMCSSStyleDeclaration.h"
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#include "nsIDOMCSSImportRule.h"
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#include "nsIDOMCSSMediaRule.h"
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#include "nsIDOMCSSSupportsRule.h"
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#include "nsIURI.h"
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#include "nsIDocument.h"
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#include "nsNetUtil.h"
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using namespace mozilla;
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///////////////////////////////////////////////////////////////////////////////
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inCSSValueSearch::inCSSValueSearch()
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: mResults(nullptr),
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mProperties(nullptr),
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mResultCount(0),
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mPropertyCount(0),
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mIsActive(false),
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mHoldResults(true),
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mReturnRelativeURLs(true),
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mNormalizeChromeURLs(false)
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{
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nsCSSProps::AddRefTable();
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mProperties = new nsCSSProperty[100];
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}
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inCSSValueSearch::~inCSSValueSearch()
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{
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delete[] mProperties;
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delete mResults;
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nsCSSProps::ReleaseTable();
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}
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NS_IMPL_ISUPPORTS(inCSSValueSearch, inISearchProcess, inICSSValueSearch)
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///////////////////////////////////////////////////////////////////////////////
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// inISearchProcess
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NS_IMETHODIMP
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inCSSValueSearch::GetIsActive(bool *aIsActive)
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{
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*aIsActive = mIsActive;
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return NS_OK;
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}
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NS_IMETHODIMP
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inCSSValueSearch::GetResultCount(int32_t *aResultCount)
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{
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*aResultCount = mResultCount;
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return NS_OK;
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}
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NS_IMETHODIMP
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inCSSValueSearch::GetHoldResults(bool *aHoldResults)
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{
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*aHoldResults = mHoldResults;
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return NS_OK;
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}
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NS_IMETHODIMP
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inCSSValueSearch::SetHoldResults(bool aHoldResults)
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{
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mHoldResults = aHoldResults;
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return NS_OK;
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}
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NS_IMETHODIMP
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inCSSValueSearch::SearchSync()
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{
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InitSearch();
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if (!mDocument) {
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return NS_OK;
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}
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nsCOMPtr<nsIDocument> document = do_QueryInterface(mDocument);
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MOZ_ASSERT(document);
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nsCOMPtr<nsIURI> baseURI = document->GetBaseURI();
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nsRefPtr<dom::StyleSheetList> sheets = document->StyleSheets();
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MOZ_ASSERT(sheets);
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uint32_t length = sheets->Length();
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for (uint32_t i = 0; i < length; ++i) {
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nsRefPtr<CSSStyleSheet> sheet = sheets->Item(i);
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SearchStyleSheet(sheet, baseURI);
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}
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// XXX would be nice to search inline style as well.
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return NS_OK;
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}
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NS_IMETHODIMP
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inCSSValueSearch::SearchAsync(inISearchObserver *aObserver)
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{
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InitSearch();
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mObserver = aObserver;
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return NS_OK;
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}
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NS_IMETHODIMP
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inCSSValueSearch::SearchStop()
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{
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KillSearch(inISearchObserver::IN_INTERRUPTED);
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return NS_OK;
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}
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NS_IMETHODIMP
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inCSSValueSearch::SearchStep(bool* _retval)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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inCSSValueSearch::GetStringResultAt(int32_t aIndex, nsAString& _retval)
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{
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if (mHoldResults) {
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nsAutoString* result = mResults->ElementAt(aIndex);
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_retval = *result;
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} else if (aIndex == mResultCount-1) {
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_retval = mLastResult;
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} else {
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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inCSSValueSearch::GetIntResultAt(int32_t aIndex, int32_t *_retval)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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inCSSValueSearch::GetUIntResultAt(int32_t aIndex, uint32_t *_retval)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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///////////////////////////////////////////////////////////////////////////////
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// inICSSValueSearch
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NS_IMETHODIMP
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inCSSValueSearch::GetDocument(nsIDOMDocument** aDocument)
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{
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*aDocument = mDocument;
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NS_IF_ADDREF(*aDocument);
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return NS_OK;
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}
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NS_IMETHODIMP
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inCSSValueSearch::SetDocument(nsIDOMDocument* aDocument)
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{
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mDocument = aDocument;
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return NS_OK;
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}
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NS_IMETHODIMP
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inCSSValueSearch::GetBaseURL(char16_t** aBaseURL)
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{
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if (!(*aBaseURL = ToNewUnicode(mBaseURL)))
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return NS_ERROR_OUT_OF_MEMORY;
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return NS_OK;
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}
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NS_IMETHODIMP
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inCSSValueSearch::SetBaseURL(const char16_t* aBaseURL)
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{
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mBaseURL.Assign(aBaseURL);
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return NS_OK;
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}
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NS_IMETHODIMP
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inCSSValueSearch::GetReturnRelativeURLs(bool* aReturnRelativeURLs)
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{
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*aReturnRelativeURLs = mReturnRelativeURLs;
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return NS_OK;
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}
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NS_IMETHODIMP
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inCSSValueSearch::SetReturnRelativeURLs(bool aReturnRelativeURLs)
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{
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mReturnRelativeURLs = aReturnRelativeURLs;
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return NS_OK;
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}
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NS_IMETHODIMP
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inCSSValueSearch::GetNormalizeChromeURLs(bool *aNormalizeChromeURLs)
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{
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*aNormalizeChromeURLs = mNormalizeChromeURLs;
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return NS_OK;
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}
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NS_IMETHODIMP
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inCSSValueSearch::SetNormalizeChromeURLs(bool aNormalizeChromeURLs)
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{
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mNormalizeChromeURLs = aNormalizeChromeURLs;
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return NS_OK;
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}
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NS_IMETHODIMP
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inCSSValueSearch::AddPropertyCriteria(const char16_t *aPropName)
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{
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nsCSSProperty prop =
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nsCSSProps::LookupProperty(nsDependentString(aPropName),
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nsCSSProps::eIgnoreEnabledState);
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mProperties[mPropertyCount] = prop;
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mPropertyCount++;
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return NS_OK;
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}
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NS_IMETHODIMP
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inCSSValueSearch::GetTextCriteria(char16_t** aTextCriteria)
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{
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if (!(*aTextCriteria = ToNewUnicode(mTextCriteria)))
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return NS_ERROR_OUT_OF_MEMORY;
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return NS_OK;
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}
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NS_IMETHODIMP
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inCSSValueSearch::SetTextCriteria(const char16_t* aTextCriteria)
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{
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mTextCriteria.Assign(aTextCriteria);
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return NS_OK;
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}
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///////////////////////////////////////////////////////////////////////////////
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// inCSSValueSearch
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nsresult
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inCSSValueSearch::InitSearch()
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{
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if (mHoldResults) {
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mResults = new nsTArray<nsAutoString *>();
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}
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mResultCount = 0;
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return NS_OK;
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}
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nsresult
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inCSSValueSearch::KillSearch(int16_t aResult)
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{
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mIsActive = true;
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mObserver->OnSearchEnd(this, aResult);
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return NS_OK;
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}
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nsresult
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inCSSValueSearch::SearchStyleSheet(nsIDOMCSSStyleSheet* aStyleSheet, nsIURI* aBaseURL)
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{
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nsCOMPtr<nsIURI> baseURL;
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nsAutoString href;
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aStyleSheet->GetHref(href);
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if (href.IsEmpty())
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baseURL = aBaseURL;
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else
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NS_NewURI(getter_AddRefs(baseURL), href, nullptr, aBaseURL);
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nsCOMPtr<nsIDOMCSSRuleList> rules;
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nsresult rv = aStyleSheet->GetCssRules(getter_AddRefs(rules));
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NS_ENSURE_SUCCESS(rv, rv);
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return SearchRuleList(rules, baseURL);
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}
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nsresult
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inCSSValueSearch::SearchRuleList(nsIDOMCSSRuleList* aRuleList, nsIURI* aBaseURL)
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{
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uint32_t length;
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aRuleList->GetLength(&length);
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for (uint32_t i = 0; i < length; ++i) {
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nsCOMPtr<nsIDOMCSSRule> rule;
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aRuleList->Item(i, getter_AddRefs(rule));
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uint16_t type;
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rule->GetType(&type);
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switch (type) {
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case nsIDOMCSSRule::STYLE_RULE: {
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nsCOMPtr<nsIDOMCSSStyleRule> styleRule = do_QueryInterface(rule);
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SearchStyleRule(styleRule, aBaseURL);
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} break;
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case nsIDOMCSSRule::IMPORT_RULE: {
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nsCOMPtr<nsIDOMCSSImportRule> importRule = do_QueryInterface(rule);
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nsCOMPtr<nsIDOMCSSStyleSheet> childSheet;
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importRule->GetStyleSheet(getter_AddRefs(childSheet));
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if (childSheet)
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SearchStyleSheet(childSheet, aBaseURL);
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} break;
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case nsIDOMCSSRule::MEDIA_RULE: {
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nsCOMPtr<nsIDOMCSSMediaRule> mediaRule = do_QueryInterface(rule);
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nsCOMPtr<nsIDOMCSSRuleList> childRules;
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mediaRule->GetCssRules(getter_AddRefs(childRules));
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SearchRuleList(childRules, aBaseURL);
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} break;
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case nsIDOMCSSRule::SUPPORTS_RULE: {
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nsCOMPtr<nsIDOMCSSSupportsRule> supportsRule = do_QueryInterface(rule);
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nsCOMPtr<nsIDOMCSSRuleList> childRules;
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supportsRule->GetCssRules(getter_AddRefs(childRules));
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SearchRuleList(childRules, aBaseURL);
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} break;
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default:
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// XXX handle nsIDOMCSSRule::PAGE_RULE if we ever support it
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break;
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}
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}
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return NS_OK;
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}
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nsresult
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inCSSValueSearch::SearchStyleRule(nsIDOMCSSStyleRule* aStyleRule, nsIURI* aBaseURL)
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{
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nsCOMPtr<nsIDOMCSSStyleDeclaration> decl;
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nsresult rv = aStyleRule->GetStyle(getter_AddRefs(decl));
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NS_ENSURE_SUCCESS(rv, rv);
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uint32_t length;
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decl->GetLength(&length);
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nsAutoString property, value;
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for (uint32_t i = 0; i < length; ++i) {
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decl->Item(i, property);
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// XXX This probably ought to use GetPropertyCSSValue if it were
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// implemented.
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decl->GetPropertyValue(property, value);
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SearchStyleValue(value, aBaseURL);
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}
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return NS_OK;
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}
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nsresult
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inCSSValueSearch::SearchStyleValue(const nsAFlatString& aValue, nsIURI* aBaseURL)
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{
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if (StringBeginsWith(aValue, NS_LITERAL_STRING("url(")) &&
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StringEndsWith(aValue, NS_LITERAL_STRING(")"))) {
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const nsASingleFragmentString &url =
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Substring(aValue, 4, aValue.Length() - 5);
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// XXXldb Need to do more with |mReturnRelativeURLs|, perhaps?
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nsCOMPtr<nsIURI> uri;
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nsresult rv = NS_NewURI(getter_AddRefs(uri), url, nullptr, aBaseURL);
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NS_ENSURE_SUCCESS(rv, rv);
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nsAutoCString spec;
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uri->GetSpec(spec);
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nsAutoString *result = new NS_ConvertUTF8toUTF16(spec);
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if (mReturnRelativeURLs)
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EqualizeURL(result);
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mResults->AppendElement(result);
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++mResultCount;
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}
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return NS_OK;
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}
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nsresult
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inCSSValueSearch::EqualizeURL(nsAutoString* aURL)
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{
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if (mNormalizeChromeURLs) {
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if (aURL->Find("chrome://", false, 0, 1) >= 0) {
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uint32_t len = aURL->Length();
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char16_t* result = new char16_t[len-8];
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const char16_t* src = aURL->get();
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uint32_t i = 9;
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uint32_t milestone = 0;
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uint32_t s = 0;
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while (i < len) {
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if (src[i] == '/') {
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milestone += 1;
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}
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if (milestone != 1) {
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result[i-9-s] = src[i];
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} else {
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s++;
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}
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i++;
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}
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result[i-9-s] = 0;
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aURL->Assign(result);
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delete [] result;
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}
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} else {
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}
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return NS_OK;
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}
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