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tinmop/src/open-attach-window.lisp

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Common Lisp
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2020-09-06 11:32:08 +02:00
;; tinmop: an humble gemini and pleroma client
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;; Copyright (C) 2020 cage
;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
(in-package :open-attach-window)
(defclass open-attach-window (focus-marked-window
simple-line-navigation-window
title-window
border-window)
((status-id
:initform nil
:initarg :status-id
:accessor status-id)))
(defun refresh-view-links-window-config (window config-window-key &key (center-position nil))
(with-accessors ((croatoan-window croatoan-window)
(selected-line-bg selected-line-bg)
(selected-line-fg selected-line-fg)
(unselected-line-bg unselected-line-bg)
(unselected-line-fg unselected-line-fg)) window
(let* ((theme-style (swconf:form-style config-window-key))
(fg (swconf:foreground theme-style))
(bg (swconf:background theme-style))
(selected-fg (swconf:selected-foreground theme-style))
(selected-bg (swconf:selected-background theme-style))
(unselected-fg (swconf:unselected-foreground theme-style))
(unselected-bg (swconf:unselected-background theme-style))
(reference-window (if command-line:*gemini-full-screen-mode*
*gemini-toc-window*
*thread-window*))
(win-w (cond
(command-line:*gemini-full-screen-mode*
(- (win-width *main-window*)
(win-width reference-window)))
(center-position
(truncate (/ (win-width reference-window) 2)))
(t
(win-width reference-window))))
(win-h (cond
(command-line:*gemini-full-screen-mode*
(swconf:config-gemini-fullscreen-links-height))
(center-position
(truncate (/ (win-height reference-window) 2)))
(t
(win-height reference-window))))
(x (cond
(command-line:*gemini-full-screen-mode*
(win-width reference-window))
(center-position
(truncate (- (/ (win-width *main-window*) 2)
(/ win-w 2))))
(t
(win-x reference-window))))
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(y (if center-position
(truncate (- (/ (win-height *main-window*) 2)
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(/ win-h 2)))
0)))
(setf (c:background croatoan-window) (tui:make-win-background bg))
(setf (c:bgcolor croatoan-window) bg)
(setf (c:fgcolor croatoan-window) fg)
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(setf selected-line-fg selected-fg)
(setf selected-line-bg selected-bg)
(setf unselected-line-fg unselected-fg)
(setf unselected-line-bg unselected-bg)
(win-resize window win-w win-h)
(win-move window x y)
window)))
(defmethod refresh-config :after ((object open-attach-window))
(refresh-view-links-window-config object swconf:+key-open-attach-window+))
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(defmethod resync-rows-db ((object open-attach-window) &key
(redraw t)
(suggested-message-index nil))
(with-accessors ((rows rows)
(status-id status-id)
(selected-line-bg selected-line-bg)
(selected-line-fg selected-line-fg)) object
(flet ((make-rows (attach-names bg fg)
(mapcar (lambda (name)
(make-instance 'line
:normal-text name
:selected-text name
:normal-bg bg
:normal-fg fg
:selected-bg fg
:selected-fg bg))
attach-names)))
(let ((attach-names (db:all-attachments-urls-to-status status-id
:add-reblogged-urls t)))
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(with-croatoan-window (croatoan-window object)
(line-oriented-window:update-all-rows object
(make-rows attach-names
selected-line-bg
selected-line-fg))
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(when suggested-message-index
(select-row object suggested-message-index))
(when redraw
(draw object)))))))
(defun init (status-id)
(let* ((low-level-window (make-croatoan-window :enable-function-keys t)))
(setf *open-attach-window*
(make-instance 'open-attach-window
:title (_ "Attachments")
:status-id status-id
:single-row-height 1
:uses-border-p t
:keybindings keybindings:*open-attach-keymap*
:croatoan-window low-level-window))
(refresh-config *open-attach-window*)
(resync-rows-db *open-attach-window* :redraw nil)
(when (not (line-oriented-window:rows-empty-p *open-attach-window*))
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(select-row *open-attach-window* 0))
(draw *open-attach-window*)
*open-attach-window*))
;; Note we can not use the function with the same name in
;; filesystem-utils as the latter doen not check for query string
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(defun get-extension (file)
(multiple-value-bind (matchedp res)
(cl-ppcre:scan-to-strings "(?i)[a-z0-9]\(\\.[^./?]+)(\\?.+)?$" file)
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(when matchedp
(first-elt res))))
(defun open-attachment (url)
(labels ((add-extension (cached-value)
(strcat (to-s cached-value) (get-extension url)))
(fill-cache (url)
(let* ((cached-file-name (add-extension (db:cache-put url)))
(cached-output-file (os-utils:cached-file-path cached-file-name))
(stream (get-url-content url)))
(fs:create-file cached-output-file :skip-if-exists t)
(with-open-file (out-stream
cached-output-file
:element-type '(unsigned-byte 8)
:if-does-not-exist :error
:if-exists :supersede
:direction :output)
(loop for byte = (read-byte stream nil nil) while byte do
(write-byte byte out-stream))))))
(multiple-value-bind (program use-cache-p)
(swconf:link-regex->program-to-use url)
(let ((cached (db:cache-get-value url)))
(if (not cached)
(if (and program
(not use-cache-p))
(os-utils:open-link-with-program program url)
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(progn
(fill-cache url)
(open-attachment url)))
(let ((cached-file (os-utils:cached-file-path (add-extension cached))))
(if (or (not (fs:file-exists-p cached-file))
(<= (fs:file-size cached-file) 0))
(progn
(db:cache-invalidate url)
(open-attachment url))
(os-utils:open-resource-with-external-program cached-file nil))))))))