diff --git a/core/includes/common.inc b/core/includes/common.inc
index 580ef214ad5dc64bedb12cc3298c77e43931ea26..b97cc5e509450963c985b335d0c6062cd6be3ca1 100644
--- a/core/includes/common.inc
+++ b/core/includes/common.inc
@@ -3147,7 +3147,7 @@ function drupal_page_set_cache(Response $response, Request $request) {
// because by the time it is read, the configuration might change.
'page_compressed' => $page_compressed,
),
- 'tags' => array('content' => TRUE) + drupal_cache_tags_page_get(),
+ 'tags' => array('content' => TRUE) + drupal_cache_tags_page_get($response),
'expire' => Cache::PERMANENT,
'created' => REQUEST_TIME,
);
@@ -4358,36 +4358,21 @@ function drupal_render_collect_cache_tags($element, $tags = array()) {
return $tags;
}
-/**
- * A #post_render callback at the top level of the $page array. Collects the
- * tags for use in page cache.
- *
- * @param string $children
- * An HTML string of rendered output.
- * @param array $elements
- * A render array.
- *
- * @return string
- * The same $children that was passed in - no modifications.
- */
-function drupal_post_render_cache_tags_page_set($children, array $elements) {
- if (drupal_page_is_cacheable()) {
- $tags = &drupal_static('system_cache_tags_page', array());
- $tags = drupal_render_collect_cache_tags($elements);
- }
- return $children;
-}
-
/**
* Return the cache tags that were stored during drupal_render_page().
*
+ * @param \Symfony\Component\HttpFoundation\Response $response
+ * The response object.
* @return array
* An array of cache tags.
*
- * @see drupal_post_render_cache_tags_page_set()
+ * @see \Drupal\Core\EventSubscriber\HtmlViewSubscriber::onHtmlPage()
*/
-function drupal_cache_tags_page_get() {
- return drupal_static('system_cache_tags_page', array());
+function drupal_cache_tags_page_get(Response $response) {
+ if (($tags = $response->headers->get('cache_tags')) && $tags = unserialize($tags)) {
+ return $tags;
+ }
+ return array();
}
/**
diff --git a/core/lib/Drupal/Core/Cache/CacheableInterface.php b/core/lib/Drupal/Core/Cache/CacheableInterface.php
new file mode 100644
index 0000000000000000000000000000000000000000..da4f04c2acdc38520adfed242449edc325a48c40
--- /dev/null
+++ b/core/lib/Drupal/Core/Cache/CacheableInterface.php
@@ -0,0 +1,54 @@
+<?php
+/**
+ * @file
+ * Contains \Drupal\Core\CacheableInterface
+ */
+
+namespace Drupal\Core\Cache;
+
+/**
+ * Defines an interface for objects which are potentially cacheable.
+ */
+interface CacheableInterface {
+
+ /**
+ * The cache keys associated with this potentially cacheable object.
+ *
+ * @return array
+ * An array of strings or cache constants, used to generate a cache ID.
+ */
+ public function getCacheKeys();
+
+ /**
+ * The cache tags associated with this potentially cacheable object.
+ *
+ * @return array
+ * An array of cache tags.
+ */
+ public function getCacheTags();
+
+ /**
+ * The bin to use for this potentially cacheable object.
+ *
+ * @return string
+ * The name of the cache bin to use.
+ */
+ public function getCacheBin();
+
+ /**
+ * The maximum age for which this object may be cached.
+ *
+ * @return int
+ * The maximum time in seconds that this object may be cached.
+ */
+ public function getCacheMaxAge();
+
+ /**
+ * Indicates whether this object is cacheable.
+ *
+ * @return bool
+ * Returns TRUE if the object is cacheable, FALSE otherwise.
+ */
+ public function isCacheable();
+
+}
diff --git a/core/lib/Drupal/Core/Controller/HtmlControllerBase.php b/core/lib/Drupal/Core/Controller/HtmlControllerBase.php
index bf7be8df3c203f88387d469209b14aa903c093d8..0204bc06e1e9975f4bb410901a2c2735d930b855 100644
--- a/core/lib/Drupal/Core/Controller/HtmlControllerBase.php
+++ b/core/lib/Drupal/Core/Controller/HtmlControllerBase.php
@@ -71,7 +71,9 @@ protected function createHtmlFragment($page_content, Request $request) {
);
}
- $fragment = new HtmlFragment(drupal_render($page_content));
+ $cache_tags = $this->drupalRenderCollectCacheTags($page_content);
+ $cache = !empty($cache_tags) ? array('tags' => $cache_tags) : array();
+ $fragment = new HtmlFragment($this->drupalRender($page_content), $cache);
// A title defined in the return always wins.
if (isset($page_content['#title'])) {
@@ -84,4 +86,22 @@ protected function createHtmlFragment($page_content, Request $request) {
return $fragment;
}
+ /**
+ * Wraps drupal_render().
+ *
+ * @todo: Remove as part of https://drupal.org/node/2182149
+ */
+ protected function drupalRender(&$elements, $is_recursive_call = FALSE) {
+ return drupal_render($elements, $is_recursive_call);
+ }
+
+ /**
+ * Wraps drupal_render_collect_cache_tags()
+ *
+ * @todo: Remove as part of https://drupal.org/node/2182149
+ */
+ protected function drupalRenderCollectCacheTags($element, $tags = array()) {
+ return drupal_render_collect_cache_tags($element, $tags);
+ }
+
}
diff --git a/core/lib/Drupal/Core/EventSubscriber/HtmlViewSubscriber.php b/core/lib/Drupal/Core/EventSubscriber/HtmlViewSubscriber.php
index f66b6040f0cb37095412cfea5b62e041868f0e82..ae7c9a1b7465abc448a67a2cdfc1e5874bf62623 100644
--- a/core/lib/Drupal/Core/EventSubscriber/HtmlViewSubscriber.php
+++ b/core/lib/Drupal/Core/EventSubscriber/HtmlViewSubscriber.php
@@ -65,6 +65,18 @@ public function onHtmlPage(GetResponseForControllerResultEvent $event) {
// to return an object implementing __toString(), but that is not
// recommended.
$response = new Response((string) $this->renderer->renderPage($page), $page->getStatusCode());
+ if ($tags = $page->getCacheTags()) {
+ $response->headers->set('cache_tags', serialize($tags));
+ }
+ if ($keys = $page->getCacheKeys()) {
+ $response->headers->set('cache_keys', serialize($keys));
+ }
+ if ($bin = $page->getCacheBin()) {
+ $response->headers->set('cache_bin', $bin);
+ }
+ if ($max_age = $page->getCacheMaxAge()) {
+ $response->headers->set('cache_max_age', $max_age);
+ }
$event->setResponse($response);
}
}
diff --git a/core/lib/Drupal/Core/Page/DefaultHtmlPageRenderer.php b/core/lib/Drupal/Core/Page/DefaultHtmlPageRenderer.php
index ad29a5b08403de5923a49500c5147f06f0f43771..0d3b6d50d69628baad039017107d43ed6ecd552a 100644
--- a/core/lib/Drupal/Core/Page/DefaultHtmlPageRenderer.php
+++ b/core/lib/Drupal/Core/Page/DefaultHtmlPageRenderer.php
@@ -36,21 +36,27 @@ public function __construct(LanguageManager $language_manager) {
* {@inheritdoc}
*/
public function render(HtmlFragment $fragment, $status_code = 200) {
- $page = new HtmlPage('', $fragment->getTitle());
-
+ // Converts the given HTML fragment which represents the main content region
+ // of the page into a render array.
$page_content['main'] = array(
'#markup' => $fragment->getContent(),
+ '#cache' => array('tags' => $fragment->getCacheTags()),
);
- $page_content['#title'] = $page->getTitle();
+ $page_content['#title'] = $fragment->getTitle();
+ // Build the full page array by calling drupal_prepare_page(), which invokes
+ // hook_page_build(). This adds the other regions to the page.
$page_array = drupal_prepare_page($page_content);
- $page = $this->preparePage($page, $page_array);
+ // Collect cache tags for all the content in all the regions on the page.
+ $tags = drupal_render_collect_cache_tags($page_array);
+ // Build the HtmlPage object.
+ $page = new HtmlPage('', array('tags' => $tags), $fragment->getTitle());
+ $page = $this->preparePage($page, $page_array);
$page->setBodyTop(drupal_render($page_array['page_top']));
$page->setBodyBottom(drupal_render($page_array['page_bottom']));
$page->setContent(drupal_render($page_array));
-
$page->setStatusCode($status_code);
return $page;
diff --git a/core/lib/Drupal/Core/Page/HtmlFragment.php b/core/lib/Drupal/Core/Page/HtmlFragment.php
index 3a50d5e9707f70976255001f90b2dfb82ea7ded8..cc5cac5a6c4ebb0da58336a382f96f5499f4715b 100644
--- a/core/lib/Drupal/Core/Page/HtmlFragment.php
+++ b/core/lib/Drupal/Core/Page/HtmlFragment.php
@@ -9,6 +9,7 @@
use Drupal\Component\Utility\String;
use Drupal\Component\Utility\Xss;
+use Drupal\Core\Cache\CacheableInterface;
use Drupal\Core\Utility\Title;
/**
@@ -18,7 +19,7 @@
* https://drupal.org/node/1871596#comment-7134686
* @todo Add method replacements for *all* data sourced by html.tpl.php.
*/
-class HtmlFragment {
+class HtmlFragment implements CacheableInterface {
/**
* HTML content string.
@@ -34,14 +35,30 @@ class HtmlFragment {
*/
protected $title = '';
+ /**
+ * The cache metadata of this HtmlFragment.
+ *
+ * @var array
+ */
+ protected $cache = array();
+
/**
* Constructs a new HtmlFragment.
*
* @param string $content
* The content for this fragment.
+ * @param array $cache_info
+ * The cache information.
*/
- public function __construct($content = '') {
+ public function __construct($content = '', array $cache_info = array()) {
$this->content = $content;
+ $this->cache = $cache_info + array(
+ 'keys' => array(),
+ 'tags' => array(),
+ 'bin' => NULL,
+ 'max_age' => 0,
+ 'is_cacheable' => TRUE,
+ );
}
/**
@@ -123,4 +140,41 @@ public function getTitle() {
return $this->title;
}
+ /**
+ * {@inheritdoc}
+ *
+ * @TODO Use a trait once we require php 5.4 for all the cache methods.
+ */
+ public function getCacheKeys() {
+ return $this->cache['keys'];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getCacheTags() {
+ return $this->cache['tags'];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getCacheBin() {
+ return $this->cache['bin'];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getCacheMaxAge() {
+ return $this->cache['max_age'];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function isCacheable() {
+ return $this->cache['is_cacheable'];
+ }
+
}
diff --git a/core/lib/Drupal/Core/Page/HtmlPage.php b/core/lib/Drupal/Core/Page/HtmlPage.php
index 6996d7c1e1711d971412679f8e4f7aef62c9aeba..c2f09edc5a4b4c2ce1391caf42916ce7766778ec 100644
--- a/core/lib/Drupal/Core/Page/HtmlPage.php
+++ b/core/lib/Drupal/Core/Page/HtmlPage.php
@@ -54,11 +54,13 @@ class HtmlPage extends HtmlFragment {
*
* @param string $content
* (optional) The body content of the page.
+ * @param array $cache_info
+ * The cache information.
* @param string $title
* (optional) The title of the page.
*/
- public function __construct($content = '', $title = '') {
- parent::__construct($content);
+ public function __construct($content = '', array $cache_info = array(), $title = '') {
+ parent::__construct($content, $cache_info);
$this->title = $title;
diff --git a/core/modules/aggregator/aggregator.routing.yml b/core/modules/aggregator/aggregator.routing.yml
index 33ac34dd035a30a33027a1b55d435cb29cbd1cd7..1f3464deebc10950aa26a3c8df984671543bec5d 100644
--- a/core/modules/aggregator/aggregator.routing.yml
+++ b/core/modules/aggregator/aggregator.routing.yml
@@ -57,7 +57,7 @@ aggregator.feed_edit:
aggregator.feed_refresh:
path: '/admin/config/services/aggregator/update/{aggregator_feed}'
defaults:
- _controller: '\Drupal\aggregator\Controller\AggregatorController::feedRefresh'
+ _content: '\Drupal\aggregator\Controller\AggregatorController::feedRefresh'
_title: 'Update items'
requirements:
_permission: 'administer news feeds'
diff --git a/core/modules/config_translation/lib/Drupal/config_translation/ConfigNamesMapper.php b/core/modules/config_translation/lib/Drupal/config_translation/ConfigNamesMapper.php
index 2df738732e32b1a5bc326a048e65135e70263466..7ba5b2a2162ab95939a00c1859027f9074816540 100644
--- a/core/modules/config_translation/lib/Drupal/config_translation/ConfigNamesMapper.php
+++ b/core/modules/config_translation/lib/Drupal/config_translation/ConfigNamesMapper.php
@@ -176,7 +176,7 @@ public function getOverviewRoute() {
return new Route(
$this->getBaseRoute()->getPath() . '/translate',
array(
- '_controller' => '\Drupal\config_translation\Controller\ConfigTranslationController::itemPage',
+ '_content' => '\Drupal\config_translation\Controller\ConfigTranslationController::itemPage',
'plugin_id' => $this->getPluginId(),
),
array('_config_translation_overview_access' => 'TRUE')
diff --git a/core/modules/config_translation/tests/Drupal/config_translation/Tests/ConfigNamesMapperTest.php b/core/modules/config_translation/tests/Drupal/config_translation/Tests/ConfigNamesMapperTest.php
index 3df6ac024500627f4b5b1dd3540a743bbaaf6134..ac8a13a30bba6409407b464e1deb74490fddac54 100644
--- a/core/modules/config_translation/tests/Drupal/config_translation/Tests/ConfigNamesMapperTest.php
+++ b/core/modules/config_translation/tests/Drupal/config_translation/Tests/ConfigNamesMapperTest.php
@@ -176,7 +176,7 @@ public function testGetOverviewRouteParameters() {
public function testGetOverviewRoute() {
$expected = new Route('/admin/config/system/site-information/translate',
array(
- '_controller' => '\Drupal\config_translation\Controller\ConfigTranslationController::itemPage',
+ '_content' => '\Drupal\config_translation\Controller\ConfigTranslationController::itemPage',
'plugin_id' => 'system.site_information_settings',
),
array(
diff --git a/core/modules/node/lib/Drupal/node/Tests/NodePageCacheTest.php b/core/modules/node/lib/Drupal/node/Tests/NodePageCacheTest.php
index 4a2385cd0119392df3caa4c71b69fba3bbadff26..49bc190faed8a4bdcff2172ceb906741eeb122bd 100644
--- a/core/modules/node/lib/Drupal/node/Tests/NodePageCacheTest.php
+++ b/core/modules/node/lib/Drupal/node/Tests/NodePageCacheTest.php
@@ -48,11 +48,18 @@ function setUp() {
* Tests deleting nodes clears page cache.
*/
public function testNodeDelete() {
- $node_path = 'node/' . $this->drupalCreateNode()->id();
+ $author = $this->drupalCreateUser();
+ $node_path = 'node/' . $this->drupalCreateNode(array('uid' => $author->id()))->id();
// Populate page cache.
$this->drupalGet($node_path);
+ // Verify the presence of the correct cache tags.
+ $cid_parts = array(url($node_path, array('absolute' => TRUE)), 'html');
+ $cid = sha1(implode(':', $cid_parts));
+ $cache_entry = \Drupal::cache('page')->get($cid);
+ $this->assertIdentical($cache_entry->tags, array('content:1', 'user:' . $author->id(), 'filter_format:plain_text'));
+
// Login and delete the node.
$this->drupalLogin($this->adminUser);
$this->drupalGet($node_path . '/delete');
diff --git a/core/modules/simpletest/simpletest.module b/core/modules/simpletest/simpletest.module
index 6efecef525132e2c704d22c129b6b37cfe259433..c6b53bf0c4055c406c8c22750aa5b9f4d1417a0a 100644
--- a/core/modules/simpletest/simpletest.module
+++ b/core/modules/simpletest/simpletest.module
@@ -1,6 +1,7 @@
<?php
use Drupal\Core\Database\Database;
+use Drupal\Core\Page\HtmlPage;
use Drupal\simpletest\TestBase;
use Symfony\Component\Process\PhpExecutableFinder;
diff --git a/core/modules/system/lib/Drupal/system/Controller/BatchController.php b/core/modules/system/lib/Drupal/system/Controller/BatchController.php
index 2e7480d6af84c182dd94bb249e0b6065d292a2c2..340cd75a059ac21b945b4155545e77dfb9cd8727 100644
--- a/core/modules/system/lib/Drupal/system/Controller/BatchController.php
+++ b/core/modules/system/lib/Drupal/system/Controller/BatchController.php
@@ -102,7 +102,7 @@ public function render(array $output, $status_code = 200) {
$request = \Drupal::request();
$output['#title'] = $this->titleResolver->getTitle($request, $request->attributes->get(RouteObjectInterface::ROUTE_OBJECT));
}
- $page = new HtmlPage('', $output['#title']);
+ $page = new HtmlPage('', isset($output['#cache']) ? $output['#cache'] : array(), $output['#title']);
$page_array = drupal_prepare_page($output);
diff --git a/core/modules/system/lib/Drupal/system/Tests/Bootstrap/PageCacheTest.php b/core/modules/system/lib/Drupal/system/Tests/Bootstrap/PageCacheTest.php
index aec3355fca7148ff9fb17759a173d081e245ae54..3ca1f19f34d3f209f0468bd07c41a90ca539d25e 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Bootstrap/PageCacheTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Bootstrap/PageCacheTest.php
@@ -58,8 +58,15 @@ function testPageCacheTags() {
$tags = array('system_test_cache_tags_page' => TRUE);
$this->drupalGet($path);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS');
+
+ // Verify a cache hit, but also the presence of the correct cache tags.
$this->drupalGet($path);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT');
+ $cid_parts = array(url($path, array('absolute' => TRUE)), 'html');
+ $cid = sha1(implode(':', $cid_parts));
+ $cache_entry = \Drupal::cache('page')->get($cid);
+ $this->assertIdentical($cache_entry->tags, array('content:1', 'system_test_cache_tags_page:1'));
+
Cache::invalidateTags($tags);
$this->drupalGet($path);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS');
diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index 4f92d7352cde73e42bdaeed10365c1a5cfa417f8..cc647a23c9e55592b41f55a85d055c68ae9ed725 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -269,7 +269,6 @@ function system_element_info() {
'#theme_wrappers' => array('form'),
);
$types['page'] = array(
- '#post_render' => array('drupal_post_render_cache_tags_page_set'),
'#show_messages' => TRUE,
'#theme' => 'page',
);
diff --git a/core/modules/system/tests/modules/system_test/system_test.routing.yml b/core/modules/system/tests/modules/system_test/system_test.routing.yml
index ecd03ed59c59318583a533b4db03c8fcba21048b..0a6ee6f555ad375edfd440b640bb32054c078e80 100644
--- a/core/modules/system/tests/modules/system_test/system_test.routing.yml
+++ b/core/modules/system/tests/modules/system_test/system_test.routing.yml
@@ -48,7 +48,7 @@ system_test.lock_exit:
system_test.cache_tags_page:
path: '/system-test/cache_tags_page'
defaults:
- _controller: '\Drupal\system_test\Controller\SystemTestController::system_test_cache_tags_page'
+ _content: '\Drupal\system_test\Controller\SystemTestController::system_test_cache_tags_page'
requirements:
_access: 'TRUE'