Merge branch 'master' of git.tt-rss.org:fox/ttrss-api-resize

2 files changed, 119 insertions, 13 deletions

diff --git a/README.md b/README.md
index 1a34506..623b03d 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@
 Downsamples images if an API client requests the backend to do so. Useful for
 slow or unreliable network connections, i.e. mobile internet.
 
+May also be enabled through the web UI (Preferences -> Feeds).
+
 This plugin handles an additional parameter passed to ``getHeadlines`` 
 or ``getArticle`` API calls:
 
diff --git a/init.php b/init.php
index e8ff996..5bb7a9a 100644
--- a/init.php
+++ b/init.php
@@ -11,7 +11,7 @@ class Api_Resize_Media extends Plugin {
 
 	function about() {
 		return array(1.0,
-			"Resizes images as requested by API clients",
+			"Resizes media on the fly (for API clients or web UI)",
 			"fox");
 	}
 
@@ -25,6 +25,11 @@ class Api_Resize_Media extends Plugin {
 
 		$host->add_hook($host::HOOK_RENDER_ARTICLE_API, $this, 999);
 		$host->add_hook($host::HOOK_ARTICLE_IMAGE, $this, 999);
+
+		$host->add_hook($host::HOOK_PREFS_TAB, $this);
+		$host->add_hook($host::HOOK_RENDER_ARTICLE_CDM, $this, 999);
+		$host->add_hook($host::HOOK_RENDER_ARTICLE, $this, 999);
+		$host->add_hook($host::HOOK_ENCLOSURE_ENTRY, $this, 999);
 	}
 
 	private function make_thumbnail($input_filename, $output_filename, $dim_max_x = 600, $dim_max_y = 600,
@@ -100,6 +105,7 @@ class Api_Resize_Media extends Plugin {
 		}
 	}
 
+	/** @noinspection PhpUnused */
 	public function api_resize() {
 
 		$url = validate_url($_REQUEST["url"]);
@@ -227,15 +233,8 @@ class Api_Resize_Media extends Plugin {
 		return $url;
 	}
 
-	function hook_article_image($enclosures, $content, $site_url) {
-		$article = $this->hook_render_article_api(["headline" => ["content" => $content]]);
-
-		return ["", "", $article["content"]];
-	}
-
-	function hook_render_article_api($row) {
+	private function process_article($row, $width) {
 		$need_saving = false;
-		$width = (int) clean($_REQUEST["resize_width"]);
 
 		$article = isset($row['headline']) ? $row['headline'] : $row['article'];
 
@@ -248,13 +247,26 @@ class Api_Resize_Media extends Plugin {
 			$imgs = $xpath->query("//img[@src]");
 
 			foreach ($imgs as $img) {
-				$new_src = $this->rewrite_url_if_needed($img->getAttribute("src"), $width);
+				$orig_src = $img->getAttribute("src");
+				$new_src = $this->rewrite_url_if_needed($orig_src, $width);
+
+				if ($new_src != $orig_src) {
+					$need_saving = true;
+
+					$parent = $img->parentNode;
+
+					if ($parent && $parent->tagName != "a") {
+						$img_link = $doc->createElement("a");
+						$img_link->setAttribute("href", $orig_src);
+						$img_link->setAttribute("target", "_blank");
+
+						$parent->replaceChild($img_link, $img);
+
+						$img_link->appendChild($img);
+					}
 
-				if ($new_src != $img->getAttribute("src")) {
 					$img->setAttribute("src", $new_src);
 					$img->removeAttribute("srcset");
-
-					$need_saving = true;
 				}
 			}
 
@@ -299,6 +311,45 @@ class Api_Resize_Media extends Plugin {
 		return $article;
 	}
 
+	/** @noinspection PhpUnused */
+	function hook_article_image($enclosures, $content, $site_url) {
+		$width = (int) clean($_REQUEST["resize_width"]);
+
+		$article = $this->process_article(["headline" => ["content" => $content]], $width);
+
+		return ["", "", $article["content"]];
+	}
+
+	/** @noinspection PhpUnused */
+	function hook_enclosure_entry($enc) {
+		$force_width = (int) $this->host->get($this, "force_width", 0);
+
+		$enc["content_url"] = $this->rewrite_url_if_needed($enc["content_url"], $force_width);
+
+		return $enc;
+	}
+
+	/** @noinspection PhpUnused */
+	function hook_render_article_cdm($row) {
+		$force_width = (int) $this->host->get($this, "force_width", 0);
+
+		return $this->process_article(["article" => $row], $force_width);
+	}
+
+	/** @noinspection PhpUnused */
+	function hook_render_article($row) {
+		$force_width = (int) $this->host->get($this, "force_width", 0);
+
+		return $this->process_article(["article" => $row], $force_width);
+	}
+
+	/** @noinspection PhpUnused */
+	function hook_render_article_api($row) {
+		$width = (int) clean($_REQUEST["resize_width"]);
+
+		return $this->process_article($row, $width);
+	}
+
 	// https://stackoverflow.com/questions/280658/can-i-detect-animated-gifs-using-php-and-gd
 	function is_animated_gif ($filename) {
 		$raw = file_get_contents($filename);
@@ -330,6 +381,59 @@ class Api_Resize_Media extends Plugin {
 		return false;
 	}
 
+	function hook_prefs_tab($args) {
+		if ($args != "prefFeeds") return;
+
+		$force_width = (int) $this->host->get($this, "force_width", 0);
+
+		print "<div dojoType='dijit.layout.AccordionPane'
+			title=\"<i class='material-icons'>photo</i> ".$this->__( 'Resize media on the fly (api_resize_media)')."\">";
+
+		print "<form dojoType='dijit.form.Form'>";
+
+		print "<script type='dojo/method' event='onSubmit' args='evt'>
+			evt.preventDefault();
+			if (this.validate()) {
+				console.log(dojo.objectToQuery(this.getValues()));
+				new Ajax.Request('backend.php', {
+					parameters: dojo.objectToQuery(this.getValues()),
+					onComplete: function(transport) {
+						Notify.info(transport.responseText);
+					}
+				});
+				//this.reset();
+			}
+			</script>";
+
+		print_hidden("op", "pluginhandler");
+		print_hidden("method", "save");
+		print_hidden("plugin", "api_resize_media");
+
+		print "<h2>" . $this->__( "Global settings") . "</h2>";
+
+		print "<fieldset>";
+
+		print "<label>".$this->__( "Also resize in web UI (width, 0 - disables)")."</label>";
+		print "<input dojoType='dijit.form.NumberSpinner'
+			required='1' name='force_width' id='api_resize_force_width' value='$force_width'> " . $this->__('pixels');
+
+		print "</fieldset>";
+
+		print_button("submit", $this->__( "Save"), "class='alt-primary'");
+
+		print "</form>";
+
+		print "</div>";
+	}
+
+	function save() {
+		$force_width = (int) $_POST["force_width"];
+
+		$this->host->set($this, "force_width", $force_width);
+
+		echo $this->T_sprintf("Data saved (%d)", $force_width);
+	}
+
 	function api_version() {
 		return 2;
 	}