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Diffstat (limited to 'WebCore/platform/android/nav/CachedHistory.cpp')
-rw-r--r-- | WebCore/platform/android/nav/CachedHistory.cpp | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/WebCore/platform/android/nav/CachedHistory.cpp b/WebCore/platform/android/nav/CachedHistory.cpp deleted file mode 100644 index 589b64a..0000000 --- a/WebCore/platform/android/nav/CachedHistory.cpp +++ /dev/null @@ -1,196 +0,0 @@ -/* -** Copyright 2007, The Android Open Source Project -** -** Licensed under the Apache License, Version 2.0 (the "License"); -** you may not use this file except in compliance with the License. -** You may obtain a copy of the License at -** -** http://www.apache.org/licenses/LICENSE-2.0 -** -** Unless required by applicable law or agreed to in writing, software -** distributed under the License is distributed on an "AS IS" BASIS, -** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -** See the License for the specific language governing permissions and -** limitations under the License. -*/ - -#include "CachedPrefix.h" -#include "CachedFrame.h" -#include "CachedNode.h" -#if DUMP_NAV_CACHE -#include "CachedRoot.h" -#endif - -#include "CachedHistory.h" - -namespace android { - -CachedHistory::CachedHistory() { - memset(this, 0, sizeof(CachedHistory)); // this assume the class has no virtuals - mLastMove = CachedFrame::UNINITIALIZED; - mPriorMove = CachedFrame::UNINITIALIZED; -} - - -void CachedHistory::addToVisited(const CachedNode* node, CachedFrame::Direction direction) -{ - memmove(&mVisited[1], &mVisited[0], sizeof(mVisited) - sizeof(mVisited[0])); - mVisited[0].mNode = node; - mVisited[0].mDirection = direction; -} - -bool CachedHistory::checkVisited(const CachedNode* node, CachedFrame::Direction direction) const -{ - // if the direction is unchanged and we've already visited this node, don't visit it again - int index = 0; - while (index < NAVIGATION_VISIT_DEPTH - 1) { - if (direction != mVisited[index].mDirection) - break; - index++; // compare with last direction, previous to last node (where the arrow took us from) - if (node == mVisited[index].mNode) - return false; - } - return true; -} - -void CachedHistory::pinMaxMin(const WebCore::IntRect& viewBounds) -{ - if (mMinWorkingHorizontal < viewBounds.y() || - mMinWorkingHorizontal >= viewBounds.bottom()) - mMinWorkingHorizontal = viewBounds.y(); - if (mMaxWorkingHorizontal > viewBounds.bottom() || - mMaxWorkingHorizontal <= viewBounds.y()) - mMaxWorkingHorizontal = viewBounds.bottom(); - if (mMinWorkingVertical < viewBounds.x() || - mMinWorkingVertical >= viewBounds.right()) - mMinWorkingVertical = viewBounds.x(); - if (mMaxWorkingVertical > viewBounds.right() || - mMaxWorkingVertical <= viewBounds.x()) - mMaxWorkingVertical = viewBounds.right(); -} - -void CachedHistory::reset() -{ - memset(mVisited, 0, sizeof(mVisited)); -// mLastScroll = 0; - mPriorBounds = mFocusBounds = WebCore::IntRect(0, 0, 0, 0); - mDirectionChange = false; - mFocusIsInput = false; - mPriorIsInput = false; - mDidFirstLayout = false; - mPriorMove = mLastMove = CachedFrame::UNINITIALIZED; - mMinWorkingHorizontal = mMinWorkingVertical = INT_MIN; - mMaxWorkingHorizontal = mMaxWorkingVertical = INT_MAX; -} - -void CachedHistory::setWorking(CachedFrame::Direction newMove, - const CachedNode* focus, const WebCore::IntRect& viewBounds) -{ - CachedFrame::Direction lastAxis = (CachedFrame::Direction) (mLastMove & ~CachedFrame::RIGHT_DOWN); // up, left or uninitialized - CachedFrame::Direction newAxis = (CachedFrame::Direction) (newMove & ~CachedFrame::RIGHT_DOWN); - bool change = newAxis != lastAxis; - mDirectionChange = change && mLastMove != CachedFrame::UNINITIALIZED; - if (focus != NULL || mLastMove != CachedFrame::UNINITIALIZED) { - mPriorMove = mLastMove; - mLastMove = newMove; - } - const WebCore::IntRect* navBounds = &mNavBounds; - if (focus != NULL) { - WebCore::IntRect focusBounds; - focus->getBounds(&focusBounds); - if (focusBounds.isEmpty() == false && focusBounds != mFocusBounds) - mNavBounds = mFocusBounds = focusBounds; - mPriorIsInput = mFocusIsInput; - mFocusIsInput = focus->isInput(); // focus->localName() == "input"; - } else - mFocusBounds = WebCore::IntRect(0, 0, 0, 0); - if (change) { // uninitialized or change in direction - if (lastAxis != CachedFrame::LEFT && navBounds->height() > 0) { - mMinWorkingHorizontal = navBounds->y(); - mMaxWorkingHorizontal = navBounds->bottom(); - } - if (lastAxis != CachedFrame::UP && navBounds->width() > 0) { - mMinWorkingVertical = navBounds->x(); - mMaxWorkingVertical = navBounds->right(); - } - } else if (mPriorIsInput) { - if (newAxis == CachedFrame::UP_DOWN) { - if (mPriorBounds.x() == mMinWorkingVertical && mPriorBounds.right() == mMaxWorkingVertical) { - mMinWorkingVertical = navBounds->x(); - mMaxWorkingVertical = navBounds->right(); - } - } else { - if (mPriorBounds.y() == mMinWorkingHorizontal && mPriorBounds.bottom() == mMaxWorkingHorizontal) { - mMinWorkingHorizontal = navBounds->y(); - mMaxWorkingHorizontal = navBounds->bottom(); - } - } - } - pinMaxMin(viewBounds); -} - -#if DUMP_NAV_CACHE - -#define DEBUG_PRINT_BOOL(field) \ - DUMP_NAV_LOGD("// bool " #field "=%s;\n", b->field ? "true" : "false") - -#define DEBUG_PRINT_RECT(field) \ - { const WebCore::IntRect& r = b->field; \ - DUMP_NAV_LOGD("// IntRect " #field "={%d, %d, %d, %d};\n", \ - r.x(), r.y(), r.width(), r.height()); } - -CachedHistory* CachedHistory::Debug::base() const { - CachedHistory* nav = (CachedHistory*) ((char*) this - OFFSETOF(CachedHistory, mDebug)); - return nav; -} - -const char* CachedHistory::Debug::direction(CachedFrame::Direction d) const -{ - switch (d) { - case CachedFrame::LEFT: return "LEFT"; break; - case CachedFrame::RIGHT: return "RIGHT"; break; - case CachedFrame::UP: return "UP"; break; - case CachedFrame::DOWN: return "DOWN"; break; - default: return "UNINITIALIZED"; - } -} - -void CachedHistory::Debug::print(CachedRoot* root) const -{ - CachedHistory* b = base(); - DUMP_NAV_LOGD("// Visited mVisited[]={\n"); - for (size_t i = 0; i < NAVIGATION_VISIT_DEPTH; i++) { - const Visited& visit = b->mVisited[i]; - const CachedNode* node = visit.mNode; - int index = root != NULL && root->CachedFrame::mDebug.validate(node) ? - node->index() : -1; - DUMP_NAV_LOGD(" // { 0x%p (%d), %s },\n", node, index, direction(visit.mDirection)); - } - DUMP_NAV_LOGD("// };\n"); -// DUMP_NAV_LOGD("// int mLastScroll=%d;\n", b->mLastScroll); - DEBUG_PRINT_RECT(mFocusBounds); - DEBUG_PRINT_RECT(mNavBounds); - DEBUG_PRINT_RECT(mPriorBounds); - DEBUG_PRINT_BOOL(mDirectionChange); - DEBUG_PRINT_BOOL(mFocusIsInput); - DEBUG_PRINT_BOOL(mPriorIsInput); - DUMP_NAV_LOGD("// CachedFrame::Direction mLastMove=%s, mPriorMove=%s;\n", - direction(b->mLastMove), direction(b->mPriorMove)); - int max = b->mMaxWorkingHorizontal; - DUMP_NAV_LOGD("static int TEST_MAX_H = %d;\n", max); - int min = b->mMinWorkingHorizontal; - if (min == INT_MIN) - min++; - DUMP_NAV_LOGD("static int TEST_MIN_H = %d;\n", min); - max = b->mMaxWorkingVertical; - DUMP_NAV_LOGD("static int TEST_MAX_V = %d;\n", max); - min = b->mMinWorkingVertical; - if (min == INT_MIN) - min++; - DUMP_NAV_LOGD("static int TEST_MIN_V = %d;\n", min); - DUMP_NAV_LOGD("\n"); -} - -#endif - -} |