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Bug 1087190 - Add debug log to SelectionCarets. f=mtseng, f=pchang, r=roc

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This commit is contained in:
Ting-Yu Lin 2014-10-29 01:16:00 +01:00
parent 70b88b3d8d
commit 91fc19cc0d
1 changed files with 81 additions and 6 deletions
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87
layout/base/SelectionCarets.cpp
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@ -4,6 +4,7 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "prlog.h"
#include "SelectionCarets.h"
#include "gfxPrefs.h"
@ -36,6 +37,26 @@
using namespace mozilla;
using namespace mozilla::dom;
#ifdef PR_LOGGING
static PRLogModuleInfo* gSelectionCaretsLog;
static const char* kSelectionCaretsLogModuleName = "SelectionCarets";
// To enable all the SELECTIONCARETS_LOG print statements, set the environment
// variable NSPR_LOG_MODULES=SelectionCarets:5
#define SELECTIONCARETS_LOG(message, ...) \
PR_LOG(gSelectionCaretsLog, PR_LOG_DEBUG, \
("SelectionCarets (%p): %s:%d : " message "\n", this, __FUNCTION__, \
__LINE__, ##__VA_ARGS__));
#define SELECTIONCARETS_LOG_STATIC(message, ...) \
PR_LOG(gSelectionCaretsLog, PR_LOG_DEBUG, \
("SelectionCarets: %s:%d : " message "\n", __FUNCTION__, __LINE__, \
##__VA_ARGS__));
#else
#define SELECTIONCARETS_LOG(message, ...)
#define SELECTIONCARETS_LOG_STATIC(message, ...)
#endif // #ifdef PR_LOGGING
// We treat mouse/touch move as "REAL" move event once its move distance
// exceed this value, in CSS pixel.
static const int32_t kMoveStartTolerancePx = 5;
@ -56,8 +77,9 @@ NS_IMPL_ISUPPORTS(SelectionCarets,
/*static*/ int32_t SelectionCarets::sSelectionCaretsInflateSize = 0;
SelectionCarets::SelectionCarets(nsIPresShell *aPresShell)
: mActiveTouchId(-1)
SelectionCarets::SelectionCarets(nsIPresShell* aPresShell)
: mPresShell(aPresShell)
, mActiveTouchId(-1)
, mCaretCenterToDownPointOffsetY(0)
, mDragMode(NONE)
, mAPZenabled(false)
@ -67,6 +89,14 @@ SelectionCarets::SelectionCarets(nsIPresShell *aPresShell)
{
MOZ_ASSERT(NS_IsMainThread());
#ifdef PR_LOGGING
if (!gSelectionCaretsLog) {
gSelectionCaretsLog = PR_NewLogModule(kSelectionCaretsLogModuleName);
}
#endif
SELECTIONCARETS_LOG("Constructor, PresShell=%p", mPresShell);
static bool addedPref = false;
if (!addedPref) {
Preferences::AddIntVarCache(&sSelectionCaretsInflateSize,
@ -75,12 +105,11 @@ SelectionCarets::SelectionCarets(nsIPresShell *aPresShell)
"selectioncaret.noneditable");
addedPref = true;
}
mPresShell = aPresShell;
}
SelectionCarets::~SelectionCarets()
{
SELECTIONCARETS_LOG("Destructor");
MOZ_ASSERT(NS_IsMainThread());
if (mLongTapDetectorTimer) {
@ -197,6 +226,7 @@ SelectionCarets::HandleEvent(WidgetEvent* aEvent)
}
} else if (aEvent->message == NS_MOUSE_MOZLONGTAP) {
if (!mVisible) {
SELECTIONCARETS_LOG("SelectWord from APZ");
SelectWord();
return nsEventStatus_eConsumeNoDefault;
}
@ -224,9 +254,13 @@ SelectionCarets::SetVisibility(bool aVisible)
}
if (mVisible == aVisible) {
SELECTIONCARETS_LOG("Set visibility %s, same as the old one",
(aVisible ? "shown" : "hidden"));
return;
}
mVisible = aVisible;
SELECTIONCARETS_LOG("Set visibility %s", (mVisible ? "shown" : "hidden"));
dom::Element* startElement = mPresShell->GetSelectionCaretsStartElement();
SetElementVisibility(startElement, mVisible && mStartCaretVisible);
@ -245,6 +279,9 @@ void
SelectionCarets::SetStartFrameVisibility(bool aVisible)
{
mStartCaretVisible = aVisible;
SELECTIONCARETS_LOG("Set start frame visibility %s",
(mStartCaretVisible ? "shown" : "hidden"));
dom::Element* element = mPresShell->GetSelectionCaretsStartElement();
SetElementVisibility(element, mVisible && mStartCaretVisible);
}
@ -253,6 +290,9 @@ void
SelectionCarets::SetEndFrameVisibility(bool aVisible)
{
mEndCaretVisible = aVisible;
SELECTIONCARETS_LOG("Set end frame visibility %s",
(mStartCaretVisible ? "shown" : "hidden"));
dom::Element* element = mPresShell->GetSelectionCaretsEndElement();
SetElementVisibility(element, mVisible && mEndCaretVisible);
}
@ -267,6 +307,9 @@ SelectionCarets::SetTilted(bool aIsTilt)
return;
}
SELECTIONCARETS_LOG("Set tilted selection carets %s",
(aIsTilt ? "enabled" : "disabled"));
ErrorResult err;
startElement->ClassList()->Toggle(NS_LITERAL_STRING("tilt"),
dom::Optional<bool>(aIsTilt), err);
@ -380,11 +423,13 @@ SelectionCarets::UpdateSelectionCarets()
nsRefPtr<dom::Selection> selection = GetSelection();
if (!selection) {
SELECTIONCARETS_LOG("Cannot get selection!");
SetVisibility(false);
return;
}
if (selection->IsCollapsed()) {
SELECTIONCARETS_LOG("Selection is collapsed!");
SetVisibility(false);
return;
}
@ -573,6 +618,14 @@ SelectionCarets::SelectWord()
nsFrame* frame = static_cast<nsFrame*>(ptFrame);
nsresult rs = frame->SelectByTypeAtPoint(mPresShell->GetPresContext(), ptInFrame,
eSelectWord, eSelectWord, 0);
#ifdef DEBUG_FRAME_DUMP
nsCString frameTag;
frame->ListTag(frameTag);
SELECTIONCARETS_LOG("Frame=%s, ptInFrame=(%d, %d)", frameTag.get(),
ptInFrame.x, ptInFrame.y);
#endif
SetSelectionDragState(false);
// Clear maintain selection otherwise we cannot select less than a word
@ -798,24 +851,29 @@ SetFramePos(dom::Element* aElement, const nsPoint& aPosition)
}
nsAutoString styleStr;
styleStr.AppendLiteral("left:");
styleStr.AppendLiteral("left: ");
styleStr.AppendFloat(nsPresContext::AppUnitsToFloatCSSPixels(aPosition.x));
styleStr.AppendLiteral("px;top:");
styleStr.AppendLiteral("px; top: ");
styleStr.AppendFloat(nsPresContext::AppUnitsToFloatCSSPixels(aPosition.y));
styleStr.AppendLiteral("px;");
SELECTIONCARETS_LOG_STATIC("Set style: %s",
NS_ConvertUTF16toUTF8(styleStr).get());
aElement->SetAttr(kNameSpaceID_None, nsGkAtoms::style, styleStr, true);
}
void
SelectionCarets::SetStartFramePos(const nsPoint& aPosition)
{
SELECTIONCARETS_LOG("x=%d, y=%d", aPosition.x, aPosition.y);
SetFramePos(mPresShell->GetSelectionCaretsStartElement(), aPosition);
}
void
SelectionCarets::SetEndFramePos(const nsPoint& aPosition)
{
SELECTIONCARETS_LOG("x=%d, y=%d", aPosition.y, aPosition.y);
SetFramePos(mPresShell->GetSelectionCaretsEndElement(), aPosition);
}
@ -892,6 +950,7 @@ SelectionCarets::NotifySelectionChanged(nsIDOMDocument* aDoc,
nsISelection* aSel,
int16_t aReason)
{
SELECTIONCARETS_LOG("aSel (%p), Reason=%d", aSel, aReason);
if (!aReason || (aReason & (nsISelectionListener::DRAG_REASON |
nsISelectionListener::KEYPRESS_REASON |
nsISelectionListener::MOUSEDOWN_REASON))) {
@ -930,6 +989,9 @@ SelectionCarets::AsyncPanZoomStarted(const mozilla::CSSIntPoint aScrollPos)
// to bypass the notifications from ScrollPositionChanged callbacks
mAPZenabled = true;
SetVisibility(false);
SELECTIONCARETS_LOG("Dispatch scroll started with position x=%d, y=%d",
aScrollPos.x, aScrollPos.y);
DispatchScrollViewChangeEvent(mPresShell, dom::ScrollState::Started, aScrollPos);
}
@ -937,6 +999,9 @@ void
SelectionCarets::AsyncPanZoomStopped(const mozilla::CSSIntPoint aScrollPos)
{
UpdateSelectionCarets();
SELECTIONCARETS_LOG("Dispatch scroll stopped with position x=%d, y=%d",
aScrollPos.x, aScrollPos.y);
DispatchScrollViewChangeEvent(mPresShell, dom::ScrollState::Stopped, aScrollPos);
}
@ -946,6 +1011,8 @@ SelectionCarets::ScrollPositionChanged()
if (!mAPZenabled && mVisible) {
SetVisibility(false);
//TODO: handling scrolling for selection bubble when APZ is off
SELECTIONCARETS_LOG("Launch scroll end detector");
LaunchScrollEndDetector();
}
}
@ -964,6 +1031,8 @@ SelectionCarets::LaunchLongTapDetector()
MOZ_ASSERT(mLongTapDetectorTimer);
CancelLongTapDetector();
int32_t longTapDelay = gfxPrefs::UiClickHoldContextMenusDelay();
SELECTIONCARETS_LOG("Will fire long tap after %d ms", longTapDelay);
mLongTapDetectorTimer->InitWithFuncCallback(FireLongTap,
this,
longTapDelay,
@ -981,6 +1050,7 @@ SelectionCarets::CancelLongTapDetector()
return;
}
SELECTIONCARETS_LOG("Cancel long tap detector!");
mLongTapDetectorTimer->Cancel();
}
@ -991,6 +1061,7 @@ SelectionCarets::FireLongTap(nsITimer* aTimer, void* aSelectionCarets)
NS_PRECONDITION(aTimer == self->mLongTapDetectorTimer,
"Unexpected timer");
SELECTIONCARETS_LOG_STATIC("SelectWord from non-APZ");
self->SelectWord();
}
@ -1002,6 +1073,8 @@ SelectionCarets::LaunchScrollEndDetector()
}
MOZ_ASSERT(mScrollEndDetectorTimer);
SELECTIONCARETS_LOG("Will fire scroll end after %d ms", kScrollEndTimerDelay);
mScrollEndDetectorTimer->InitWithFuncCallback(FireScrollEnd,
this,
kScrollEndTimerDelay,
@ -1014,6 +1087,8 @@ SelectionCarets::FireScrollEnd(nsITimer* aTimer, void* aSelectionCarets)
nsRefPtr<SelectionCarets> self = static_cast<SelectionCarets*>(aSelectionCarets);
NS_PRECONDITION(aTimer == self->mScrollEndDetectorTimer,
"Unexpected timer");
SELECTIONCARETS_LOG_STATIC("Update selection carets!");
self->SetVisibility(true);
self->UpdateSelectionCarets();
}