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Code Issues Releases Wiki Activity

scrollTop counted relative to the last scrollTop item, attachedToPrevious messages support added, service messages now display date and unreadbar

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This commit is contained in:
John Preston
2016-03-21 21:40:00 +03:00
parent a2f5acdff1
commit 84e67b8ec0
9 changed files with 636 additions and 400 deletions
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139
Telegram/SourceFiles/history.h
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@@ -303,7 +303,7 @@ public:
MsgId maxMsgId() const;
MsgId msgIdForRead() const;
int resize(int newWidth, int32 *ytransform = nullptr); // return new size
int resizeGetHeight(int newWidth);
void removeNotification(HistoryItem *item) {
if (!notifies.isEmpty()) {
@@ -373,8 +373,38 @@ public:
editDraft = draft;
}
int32 lastWidth, lastScrollTop;
MsgId lastShowAtMsgId;
// some fields below are a property of a currently displayed instance of this
// conversation history not a property of the conversation history itself
public:
// we save the last showAtMsgId to restore the state when switching
// between different conversation histories
MsgId showAtMsgId;
// we save a pointer of the history item at the top of the displayed window
// together with an offset from the window top to the top of this message
// resulting scrollTop = top(scrollTopItem) + scrollTopOffset
HistoryItem *scrollTopItem;
int scrollTopOffset;
void forgetScrollState() {
scrollTopItem = nullptr;
}
// find the correct scrollTopItem and scrollTopOffset using given top
// of the displayed window relative to the history start coord
void countScrollState(int top);
protected:
// when this item is destroyed scrollTopItem just points to the next one
// and scrollTopOffset remains the same
// if we are at the bottom of the window scrollTopItem == nullptr and
// scrollTopOffset is undefined
void getNextScrollTopItem(HistoryBlock *block, int32 i);
// helper method for countScrollState(int top)
void countScrollTopItem(int top);
public:
bool mute;
bool lastKeyboardInited, lastKeyboardUsed;
@@ -468,10 +498,10 @@ private:
HistoryItem *createItemPhoto(MsgId id, MTPDmessage::Flags flags, int32 viaBotId, MsgId replyTo, QDateTime date, int32 from, PhotoData *photo, const QString &caption);
HistoryItem *addItemAfterPrevToBlock(HistoryItem *item, HistoryItem *prev, HistoryBlock *block);
HistoryItem *addNewInTheMiddle(HistoryItem *newItem, int32 blockIndex, int32 itemIndex);
HistoryItem *addNewItem(HistoryItem *adding, bool newMsg);
HistoryItem *addMessageGroupAfterPrevToBlock(const MTPDmessageGroup &group, HistoryItem *prev, HistoryBlock *block);
HistoryItem *addMessageGroupAfterPrev(HistoryItem *newItem, HistoryItem *prev);
HistoryItem *addNewInTheMiddle(HistoryItem *newItem, int32 blockIndex, int32 itemIndex);
History(const History &) = delete;
History &operator=(const History &) = delete;
@@ -844,16 +874,24 @@ public:
}
void removeItem(HistoryItem *item);
int resize(int newWidth, int *ytransform, bool force); // return new size
int resizeGetHeight(int newWidth, bool resizeAllItems);
int32 y, height;
History *history;
HistoryBlock *previous() const {
t_assert(_indexInHistory >= 0);
return (_indexInHistory > 0) ? history->blocks.at(_indexInHistory - 1) : nullptr;
}
void setIndexInHistory(int index) {
_indexInHistory = index;
}
int indexInHistory() const {
t_assert(_indexInHistory >= 0);
t_assert(history->blocks.at(_indexInHistory) == this);
return _indexInHistory;
}
protected:
@@ -1002,7 +1040,7 @@ public:
HistoryItem(const HistoryItem &) = delete;
HistoryItem &operator=(const HistoryItem &) = delete;
int resize(int width) {
int resizeGetHeight(int width) {
if (_flags & MTPDmessage_ClientFlag::f_pending_init_dimensions) {
_flags &= ~MTPDmessage_ClientFlag::f_pending_init_dimensions;
initDimensions();
@@ -1010,7 +1048,7 @@ public:
if (_flags & MTPDmessage_ClientFlag::f_pending_resize) {
_flags &= ~MTPDmessage_ClientFlag::f_pending_resize;
}
return resizeImpl(width);
return resizeGetHeight_(width);
}
virtual void draw(Painter &p, const QRect &r, uint32 selection, uint64 ms) const = 0;
@@ -1060,6 +1098,16 @@ public:
void setIndexInBlock(int index) {
_indexInBlock = index;
}
int indexInBlock() const {
if (_indexInBlock >= 0) {
t_assert(_block != nullptr);
t_assert(_block->items.at(_indexInBlock) == this);
} else if (_block != nullptr) {
t_assert(_indexInBlock >= 0);
t_assert(_block->items.at(_indexInBlock) == this);
}
return _indexInBlock;
}
bool out() const {
return _flags & MTPDmessage::Flag::f_out;
}
@@ -1163,9 +1211,6 @@ public:
virtual void setViewsCount(int32 count) {
}
virtual void setId(MsgId newId);
virtual void setDate(const QDateTime &date) { // for date items
this->date = date;
}
virtual void drawInDialog(Painter &p, const QRect &r, bool act, const HistoryItem *&cacheFor, Text &cache) const = 0;
virtual QString notificationHeader() const {
return QString();
@@ -1272,7 +1317,6 @@ public:
PeerData *author() const {
return isPost() ? history()->peer : _from;
}
bool displayFromPhoto() const;
PeerData *fromOriginal() const {
if (const HistoryMessageForwarded *fwd = Get<HistoryMessageForwarded>()) {
@@ -1315,6 +1359,29 @@ public:
setPendingResize();
}
int displayedDateHeight() const {
if (auto *date = Get<HistoryMessageDate>()) {
return date->height();
}
return 0;
}
int marginTop() const {
int result = 0;
if (isAttachedToPrevious()) {
result += st::msgMarginTopAttached;
} else {
result += st::msgMargin.top();
}
result += displayedDateHeight();
if (auto *unreadbar = Get<HistoryMessageUnreadBar>()) {
result += unreadbar->height();
}
return result;
}
int marginBottom() const {
return st::msgMargin.bottom();
}
void clipCallback(ClipReaderNotification notification);
virtual ~HistoryItem();
@@ -1327,9 +1394,10 @@ protected:
// a virtual method, it can not be done from constructor
virtual void finishCreate();
// called from resize() when MTPDmessage_ClientFlag::f_pending_init_dimensions is set
// called from resizeGetHeight() when MTPDmessage_ClientFlag::f_pending_init_dimensions is set
virtual void initDimensions() = 0;
virtual int resizeImpl(int width) = 0;
virtual int resizeGetHeight_(int width) = 0;
PeerData *_from;
History *_history;
@@ -1359,6 +1427,19 @@ protected:
return true;
}
// this should be used only in previousItemChanged() or when
// HistoryMessageDate or HistoryMessageUnreadBar bit is changed in the Interfaces mask
// then the result should be cached in a client side flag MTPDmessage_ClientFlag::f_attach_to_previous
void recountAttachToPrevious();
bool isAttachedToPrevious() const {
return _flags & MTPDmessage_ClientFlag::f_attach_to_previous;
}
// hasFromPhoto() returns true even if we don't display the photo
// but we need to skip a place at the left side for this photo
bool displayFromPhoto() const;
bool hasFromPhoto() const;
};
// make all the constructors in HistoryItem children protected
@@ -2313,7 +2394,10 @@ public:
return drawBubble();
}
bool displayFromName() const {
return hasFromName() && (!emptyText() || !_media || !_media->isDisplayed() || toHistoryReply() || Is<HistoryMessageForwarded>() || viaBot() || !_media->hideFromName());
if (!hasFromName()) return false;
if (isAttachedToPrevious()) return false;
return (!emptyText() || !_media || !_media->isDisplayed() || toHistoryReply() || Is<HistoryMessageForwarded>() || viaBot() || !_media->hideFromName());
}
bool uploading() const {
return _media && _media->uploading();
@@ -2420,7 +2504,7 @@ protected:
friend class HistoryItemInstantiated<HistoryMessage>;
void initDimensions() override;
int resizeImpl(int width) override;
int resizeGetHeight_(int width) override;
void createInterfaces(int32 viaBotId, int32 viewsCount, const PeerId &authorIdOriginal = 0, const PeerId &fromIdOriginal = 0, MsgId originalId = 0);
@@ -2473,7 +2557,6 @@ public:
void drawReplyTo(Painter &p, int32 x, int32 y, int32 w, bool selected, bool likeService = false) const;
void drawMessageText(Painter &p, QRect trect, uint32 selection) const override;
void resizeVia(int32 w) const;
bool hasPoint(int32 x, int32 y) const override;
void getState(TextLinkPtr &lnk, HistoryCursorState &state, int32 x, int32 y) const override;
void getStateFromMessageText(TextLinkPtr &lnk, HistoryCursorState &state, int32 x, int32 y, const QRect &r) const override;
void getSymbol(uint16 &symbol, bool &after, bool &upon, int32 x, int32 y) const override;
@@ -2501,7 +2584,7 @@ protected:
friend class HistoryItemInstantiated<HistoryReply>;
void initDimensions() override;
int resizeImpl(int width) override;
int resizeGetHeight_(int width) override;
bool updateReplyTo(bool force = false);
void replyToNameUpdated() const;
@@ -2555,13 +2638,13 @@ struct HistoryServicePinned : public BasicInterface<HistoryServicePinned> {
TextLinkPtr lnk;
};
class HistoryServiceMsg : public HistoryItem, private HistoryItemInstantiated<HistoryServiceMsg> {
class HistoryServiceMessage : public HistoryItem, private HistoryItemInstantiated<HistoryServiceMessage> {
public:
static HistoryServiceMsg *create(History *history, const MTPDmessageService &msg) {
static HistoryServiceMessage *create(History *history, const MTPDmessageService &msg) {
return _create(history, msg);
}
static HistoryServiceMsg *create(History *history, MsgId msgId, QDateTime date, const QString &msg, MTPDmessage::Flags flags = 0, HistoryMedia *media = 0, int32 from = 0) {
static HistoryServiceMessage *create(History *history, MsgId msgId, QDateTime date, const QString &msg, MTPDmessage::Flags flags = 0, HistoryMedia *media = 0, int32 from = 0) {
return _create(history, msgId, date, msg, flags, media, from);
}
@@ -2615,16 +2698,16 @@ public:
void setServiceText(const QString &text);
~HistoryServiceMsg();
~HistoryServiceMessage();
protected:
HistoryServiceMsg(History *history, const MTPDmessageService &msg);
HistoryServiceMsg(History *history, MsgId msgId, QDateTime date, const QString &msg, MTPDmessage::Flags flags = 0, HistoryMedia *media = 0, int32 from = 0);
friend class HistoryItemInstantiated<HistoryServiceMsg>;
HistoryServiceMessage(History *history, const MTPDmessageService &msg);
HistoryServiceMessage(History *history, MsgId msgId, QDateTime date, const QString &msg, MTPDmessage::Flags flags = 0, HistoryMedia *media = 0, int32 from = 0);
friend class HistoryItemInstantiated<HistoryServiceMessage>;
void initDimensions() override;
int resizeImpl(int width) override;
int resizeGetHeight_(int width) override;
void setMessageByAction(const MTPmessageAction &action);
bool updatePinned(bool force = false);
@@ -2636,7 +2719,7 @@ protected:
int32 _textWidth, _textHeight;
};
class HistoryGroup : public HistoryServiceMsg, private HistoryItemInstantiated<HistoryGroup> {
class HistoryGroup : public HistoryServiceMessage, private HistoryItemInstantiated<HistoryGroup> {
public:
static HistoryGroup *create(History *history, const MTPDmessageGroup &group, const QDateTime &date) {
@@ -2692,7 +2775,7 @@ private:
};
class HistoryCollapse : public HistoryServiceMsg, private HistoryItemInstantiated<HistoryCollapse> {
class HistoryCollapse : public HistoryServiceMessage, private HistoryItemInstantiated<HistoryCollapse> {
public:
static HistoryCollapse *create(History *history, MsgId wasMinId, const QDateTime &date) {
@@ -2727,7 +2810,7 @@ private:
};
class HistoryJoined : public HistoryServiceMsg, private HistoryItemInstantiated<HistoryJoined> {
class HistoryJoined : public HistoryServiceMessage, private HistoryItemInstantiated<HistoryJoined> {
public:
static HistoryJoined *create(History *history, const QDateTime &date, UserData *from, MTPDmessage::Flags flags) {