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Remove unused code

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Kovid Goyal 2017-05-27 17:07:17 +05:30
parent ce1caace7b
commit f7733bd2b4
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 5 additions and 31 deletions
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36
src/pyj/read_book/paged_mode.pyj
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@ -51,13 +51,11 @@ def in_paged_mode():
return _in_paged_mode return _in_paged_mode
col_width = screen_width = screen_height = cols_per_screen = gap = col_and_gap = 0 col_width = screen_width = screen_height = cols_per_screen = gap = col_and_gap = 0
is_full_screen_layout = False is_full_screen_layout = False
current_scroll_animation = None
def reset_paged_mode_globals(): def reset_paged_mode_globals():
nonlocal _in_paged_mode, col_width, col_and_gap, screen_height, gap, screen_width, is_full_screen_layout, cols_per_screen, current_scroll_animation nonlocal _in_paged_mode, col_width, col_and_gap, screen_height, gap, screen_width, is_full_screen_layout, cols_per_screen
col_width = screen_width = screen_height = cols_per_screen = gap = col_and_gap = 0 col_width = screen_width = screen_height = cols_per_screen = gap = col_and_gap = 0
is_full_screen_layout = _in_paged_mode = False is_full_screen_layout = _in_paged_mode = False
current_scroll_animation = None
def column_at(xpos): def column_at(xpos):
# Return the (zero-based) number of the column that contains xpos # Return the (zero-based) number of the column that contains xpos
@ -224,16 +222,13 @@ def layout(is_single_page):
fit_images() fit_images()
return gap return gap
def scroll_to_column(number, animated=False, notify=False, duration=1000): def scroll_to_column(number, notify=False, duration=1000):
pos = number * col_and_gap pos = number * col_and_gap
limit = document.body.scrollWidth - screen_width limit = document.body.scrollWidth - screen_width
pos = min(pos, limit) pos = min(pos, limit)
if animated: window.scrollTo(pos, 0)
animated_scroll(pos, duration=1000, notify=notify)
else:
window.scroll(pos, 0)
def scroll_to_xpos(xpos, animated=False, notify=False, duration=1000): def scroll_to_xpos(xpos, notify=False, duration=1000):
# Scroll so that the column containing xpos is the left most column in # Scroll so that the column containing xpos is the left most column in
# the viewport # the viewport
if jstype(xpos) is not 'number': if jstype(xpos) is not 'number':
@ -242,7 +237,7 @@ def scroll_to_xpos(xpos, animated=False, notify=False, duration=1000):
if is_full_screen_layout: if is_full_screen_layout:
window.scrollTo(0, 0) window.scrollTo(0, 0)
return return
scroll_to_column(column_at(xpos), animated=animated, notify=notify, duration=duration) scroll_to_column(column_at(xpos), notify=notify, duration=duration)
def scroll_to_fraction(frac): def scroll_to_fraction(frac):
# Scroll to the position represented by frac (number between 0 and 1) # Scroll to the position represented by frac (number between 0 and 1)
@ -250,27 +245,6 @@ def scroll_to_fraction(frac):
scroll_to_xpos(xpos) scroll_to_xpos(xpos)
def animated_scroll(pos, duration=1000, notify=True):
# Scroll the window to X-position pos in an animated fashion over
# duration milliseconds.
nonlocal current_scroll_animation
delta = pos - window.pageXOffset
interval = 50
steps = Math.floor(duration/interval)
step_size = Math.floor(delta/steps)
current_scroll_animation = {'target':pos, 'step_size':step_size, 'interval':interval, 'notify':notify, 'fn': def():
a = current_scroll_animation
npos = window.pageXOffset + a.step_size
completed = False
if abs(npos - a.target) < abs(a.step_size):
completed = True
npos = a.target
window.scrollTo(npos, 0)
if not completed:
setTimeout(a.fn, a.interval)
}
current_scroll_animation.fn()
def column_location(elem): def column_location(elem):
# Return the location of elem relative to its containing column. # Return the location of elem relative to its containing column.
# WARNING: This method may cause the viewport to scroll (to workaround # WARNING: This method may cause the viewport to scroll (to workaround