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[epiphany/pgriffis/web-extension-fixes-2] WebExtensions: Split common functions out of main js file


commit aba13352f40da0bc595696f64dc5ce3d519f4a2e
Author: Patrick Griffis <pgriffis igalia com>
Date:   Thu May 19 15:51:00 2022 -0500

    WebExtensions: Split common functions out of main js file

 .../ephy-web-process-extension.c                   | 14 +++++
 .../web-process-extension/ephy-webextension-api.c  | 12 +++--
 .../ephy-webextension-common.c                     | 18 +++----
 .../resources/epiphany-web-extension.gresource.xml |  1 +
 .../epiphany-web-process-extension.gresource.xml   |  1 +
 .../resources/js/webextensions-common.js           | 62 ++++++++++++++++++++++
 .../resources/js/webextensions.js                  | 53 +++++-------------
 src/webextension/api/tabs.c                        |  2 -
 8 files changed, 107 insertions(+), 56 deletions(-)
---
diff --git a/embed/web-process-extension/ephy-web-process-extension.c 
b/embed/web-process-extension/ephy-web-process-extension.c
index cbe4f15fe..f34faf034 100644
--- a/embed/web-process-extension/ephy-web-process-extension.c
+++ b/embed/web-process-extension/ephy-web-process-extension.c
@@ -229,12 +229,26 @@ content_script_window_object_cleared_cb (WebKitScriptWorld *world,
 {
   EphyWebProcessExtension *extension = user_data;
   g_autoptr (JSCContext) js_context = NULL;
+  g_autoptr (JSCValue) js_browser = NULL;
+  g_autoptr (JSCValue) result = NULL;
+  g_autoptr (GBytes) bytes = NULL;
   JsonObject *translations;
   const char *guid;
+  const char *data;
+  gsize data_size;
 
   guid = webkit_script_world_get_name (world);
   js_context = webkit_frame_get_js_context_for_script_world (frame, world);
   translations = g_hash_table_lookup (extension->translation_table, guid);
+
+  js_browser = jsc_context_get_value (js_context, "browser");
+  g_assert (!jsc_value_is_object (js_browser));
+
+  bytes = g_resources_lookup_data ("/org/gnome/epiphany-web-extension/js/webextensions-common.js", 
G_RESOURCE_LOOKUP_FLAGS_NONE, NULL);
+  data = g_bytes_get_data (bytes, &data_size);
+  result = jsc_context_evaluate_with_source_uri (js_context, data, data_size, 
"resource:///org/gnome/epiphany-web-extension/js/webextensions-common.js", 1);
+  g_clear_object (&result);
+
   ephy_webextension_install_common_apis (js_context, guid, translations);
 }
 
diff --git a/embed/web-process-extension/ephy-webextension-api.c 
b/embed/web-process-extension/ephy-webextension-api.c
index 93af7c367..3b9cb67d7 100644
--- a/embed/web-process-extension/ephy-webextension-api.c
+++ b/embed/web-process-extension/ephy-webextension-api.c
@@ -154,15 +154,21 @@ window_object_cleared_cb (WebKitScriptWorld         *world,
 
   js_context = webkit_frame_get_js_context_for_script_world (frame, world);
 
-  ephy_webextension_install_common_apis (js_context, extension->guid, extension->translations);
-
   js_browser = jsc_context_get_value (js_context, "browser");
-  g_assert (jsc_value_is_object (js_browser));
+  g_assert (!jsc_value_is_object (js_browser));
+
+  bytes = g_resources_lookup_data ("/org/gnome/epiphany-web-extension/js/webextensions-common.js", 
G_RESOURCE_LOOKUP_FLAGS_NONE, NULL);
+  data = g_bytes_get_data (bytes, &data_size);
+  result = jsc_context_evaluate_with_source_uri (js_context, data, data_size, 
"resource:///org/gnome/epiphany-web-extension/js/webextensions-common.js", 1);
+  g_bytes_unref (bytes);
+  g_clear_object (&result);
 
   bytes = g_resources_lookup_data ("/org/gnome/epiphany-web-extension/js/webextensions.js", 
G_RESOURCE_LOOKUP_FLAGS_NONE, NULL);
   data = g_bytes_get_data (bytes, &data_size);
   result = jsc_context_evaluate_with_source_uri (js_context, data, data_size, 
"resource:///org/gnome/epiphany-web-extension/js/webextensions.js", 1);
   g_clear_object (&result);
+
+  ephy_webextension_install_common_apis (js_context, extension->guid, extension->translations);
 }
 
 static void
diff --git a/embed/web-process-extension/ephy-webextension-common.c 
b/embed/web-process-extension/ephy-webextension-common.c
index ce341c16e..e94b3211b 100644
--- a/embed/web-process-extension/ephy-webextension-common.c
+++ b/embed/web-process-extension/ephy-webextension-common.c
@@ -90,18 +90,16 @@ ephy_webextension_install_common_apis (JSCContext *js_context,
   g_autoptr (JSCValue) result = NULL;
   g_autoptr (JSCValue) js_browser = NULL;
   g_autoptr (JSCValue) js_i18n = NULL;
-  g_autoptr (JSCValue) js_runtime = NULL;
+  g_autoptr (JSCValue) js_extension = NULL;
   g_autoptr (JSCValue) js_function = NULL;
+  g_autoptr (JSCValue) js_object = NULL;
 
   jsc_context_push_exception_handler (js_context, (JSCExceptionHandler)js_exception_handler, NULL, NULL);
 
   /* APIs available in content scripts: https://developer.chrome.com/docs/extensions/mv3/content_scripts/ */
 
-  result = jsc_context_get_value (js_context, "browser");
-  g_assert (jsc_value_is_undefined (result));
-
-  js_browser = jsc_value_new_object (js_context, NULL, NULL);
-  jsc_context_set_value (js_context, "browser", js_browser);
+  js_browser = jsc_context_get_value (js_context, "browser");
+  g_assert (jsc_value_is_object (js_browser));
 
   /* i18n */
   js_i18n = jsc_value_new_object (js_context, NULL, NULL);
@@ -125,9 +123,9 @@ ephy_webextension_install_common_apis (JSCContext *js_context,
   jsc_value_object_set_property (js_i18n, "getMessage", js_function);
   g_clear_object (&js_function);
 
-  /* runtime */
-  js_runtime = jsc_value_new_object (js_context, NULL, NULL);
-  jsc_value_object_set_property (js_browser, "runtime", js_runtime);
+  /* extension */
+  js_extension = jsc_value_new_object (js_context, NULL, NULL);
+  jsc_value_object_set_property (js_browser, "extension", js_extension);
 
   js_function = jsc_value_new_function (js_context,
                                         "getURL",
@@ -135,6 +133,6 @@ ephy_webextension_install_common_apis (JSCContext *js_context,
                                         G_TYPE_STRING,
                                         1,
                                         G_TYPE_STRING);
-  jsc_value_object_set_property (js_runtime, "getURL", js_function);
+  jsc_value_object_set_property (js_extension, "getURL", js_function);
   g_clear_object (&js_function);
 }
diff --git a/embed/web-process-extension/resources/epiphany-web-extension.gresource.xml 
b/embed/web-process-extension/resources/epiphany-web-extension.gresource.xml
index 9d5221ba9..65a42b954 100644
--- a/embed/web-process-extension/resources/epiphany-web-extension.gresource.xml
+++ b/embed/web-process-extension/resources/epiphany-web-extension.gresource.xml
@@ -2,5 +2,6 @@
 <gresources>
   <gresource prefix="/org/gnome/epiphany-web-extension">
     <file compressed="true">js/webextensions.js</file>
+    <file compressed="true">js/webextensions-common.js</file>
   </gresource>
 </gresources>
diff --git a/embed/web-process-extension/resources/epiphany-web-process-extension.gresource.xml 
b/embed/web-process-extension/resources/epiphany-web-process-extension.gresource.xml
index 8cdf15d0c..944a27f55 100644
--- a/embed/web-process-extension/resources/epiphany-web-process-extension.gresource.xml
+++ b/embed/web-process-extension/resources/epiphany-web-process-extension.gresource.xml
@@ -4,5 +4,6 @@
     <file compressed="true">js/ephy.js</file>
     <file compressed="true">js/overview.js</file>
     <file compressed="true">js/webextensions.js</file>
+    <file compressed="true">js/webextensions-common.js</file>
   </gresource>
 </gresources>
diff --git a/embed/web-process-extension/resources/js/webextensions-common.js 
b/embed/web-process-extension/resources/js/webextensions-common.js
new file mode 100644
index 000000000..d3f24cc98
--- /dev/null
+++ b/embed/web-process-extension/resources/js/webextensions-common.js
@@ -0,0 +1,62 @@
+'use strict';
+
+/* exported runtimeSendMessage, runtimeOnConnect, ephy_message */
+
+window.browser = {};
+
+const promises = [];
+let last_promise = 0;
+
+let runtime_onmessage_listeners = [];
+let runtime_onconnect_listeners = [];
+
+const ephy_message = function (fn, args, cb) {
+    const promise = new Promise (function (resolve, reject) {
+        window.webkit.messageHandlers.epiphany.postMessage ({fn: fn, args: args, promise: last_promise});
+        last_promise = promises.push({resolve: resolve, reject: reject});
+    });
+    return promise;
+};
+
+const runtimeSendMessage = function(x) {
+  for (const listener of runtime_onmessage_listeners)
+    listener.callback(x);
+};
+
+const runtimeOnConnect = function(x) {
+  for (const listener of runtime_onconnect_listeners)
+    listener.callback(x);
+};
+
+window.browser.runtime = {
+    getURL: function (args, cb) { return window.browser.extension.getURL(args, cb); },
+    getManifest: function (args, cb) { return '[]'; },
+    onMessage: {
+        addListener: function (cb) {
+            runtime_onmessage_listeners.push({callback: cb});
+        },
+        removeListener: function (cb) {
+            runtime_onmessage_listeners = runtime_onmessage_listeners.filter(l => l.callback !== cb);
+        },
+        hasListener: function (cb) {
+            return !!runtime_onmessage_listeners.find(l => l.callback === cb);
+        }
+    },
+    onConnect: {
+        addListener: function (cb) {
+            runtime_onconnect_listeners.push({callback: cb});
+        },
+        removeListener: function (cb) {
+            runtime_onconnect_listeners = runtime_onconnect_listeners.filter(l => l.callback !== cb);
+        },
+        hasListener: function (cb) {
+            return !!runtime_onconnect_listeners.find(l => l.callback === cb);
+        }
+    },
+    sendMessage: function (args, cb) {
+        return ephy_message ('runtime.sendMessage', args, cb);
+    },
+};
+
+// Compatibility with Chrome
+window.chrome = window.browser;
diff --git a/embed/web-process-extension/resources/js/webextensions.js 
b/embed/web-process-extension/resources/js/webextensions.js
index e234494b8..efae76f29 100644
--- a/embed/web-process-extension/resources/js/webextensions.js
+++ b/embed/web-process-extension/resources/js/webextensions.js
@@ -1,27 +1,15 @@
 'use strict';
 
-/* exported pageActionOnClicked, browserActionClicked, browserActionClicked, tabsOnUpdated, 
runtimeSendMessage, runtimeOnConnect */
-
-const promises = [];
-let last_promise = 0;
+/* exported pageActionOnClicked, browserActionClicked, browserActionClicked, tabsOnUpdated */
+/* global ephy_message */
 
 const tabs_listeners = [];
 const page_listeners = [];
 const browser_listeners = [];
 const runtime_listeners = [];
-const runtime_onmessage_listeners = [];
 const runtime_onmessageexternal_listeners = [];
-const runtime_onconnect_listeners = [];
 const windows_onremoved_listeners = [];
 
-const ephy_message = function (fn, args, cb) {
-    const promise = new Promise (function (resolve, reject) {
-        window.webkit.messageHandlers.epiphany.postMessage ({fn: fn, args: args, promise: last_promise});
-        last_promise = promises.push({resolve: resolve, reject: reject});
-    });
-    return promise;
-};
-
 const pageActionOnClicked = function(x) {
   for (const listener of page_listeners)
     listener.callback(x);
@@ -37,16 +25,6 @@ const tabsOnUpdated = function(x) {
     listener.callback(x);
 };
 
-const runtimeSendMessage = function(x) {
-  for (const listener of runtime_onmessage_listeners)
-    listener.callback(x);
-};
-
-const runtimeOnConnect = function(x) {
-  for (const listener of runtime_onconnect_listeners)
-    listener.callback(x);
-};
-
 // Browser async API
 window.browser.alarms = {
     clearAll: function (args, cb) { return ephy_message ('alarms.clearAll', args, cb); },
@@ -74,20 +52,17 @@ window.browser.notifications = {
     create: function (args, cb) { return ephy_message ('notifications.create', args, cb); },
 };
 
-window.browser.extension = {
-  getURL: function (args, cb) { return window.browser.runtime.getURL(args, cb); },
+// browser.runtime is defined in webextensions-common.js
+window.browser.runtime.getBrowserInfo = function (args, cb) { return ephy_message ('runtime.getBrowserInfo', 
args, cb); };
+window.browser.runtime.connectNative = function (args, cb) { return ephy_message ('runtime.connectNative', 
args, cb); };
+window.browser.runtime.openOptionsPage = function (args, cb) { return ephy_message 
('runtime.openOptionsPage', args, cb); };
+window.browser.runtime.setUninstallURL = function (args, cb) { return ephy_message 
('runtime.setUninstallURL', args, cb); };
+window.browser.runtime.onInstalled = {
+    addListener: function (cb) { runtime_listeners.push({callback: cb}); }
+};
+window.browser.runtime.onMessageExternal = {
+    addListener: function (cb) { runtime_onmessageexternal_listeners.push({callback: cb}); }
 };
-
-window.browser.runtime.getManifest = function (args, cb) { return '[]'; };
-window.browser.runtime.getBrowserInfo = function (args, cb) { return ephy_message ('runtime.getBrowserInfo', 
args, cb); },
-window.browser.runtime.onInstalled = { addListener: function (cb) { runtime_listeners.push({callback: cb}); 
} };
-window.browser.runtime.onMessage = { addListener: function (cb) { 
runtime_onmessage_listeners.push({callback: cb}); } };
-window.browser.runtime.onMessageExternal = { addListener: function (cb) { 
runtime_onmessageexternal_listeners.push({callback: cb}); } };
-window.browser.runtime.onConnect = { addListener: function (cb) { 
runtime_onconnect_listeners.push({callback: cb}); } };
-window.browser.runtime.connectNative = function (args, cb) { return ephy_message ('runtime.connectNative', 
args, cb); },
-window.browser.runtime.sendMessage = function (args, cb) { return ephy_message ('runtime.sendMessage', args, 
cb); },
-window.browser.runtime.openOptionsPage = function (args, cb) { return ephy_message 
('runtime.openOptionsPage', args, cb); },
-window.browser.runtime.setUninstallURL = function (args, cb) { return ephy_message 
('runtime.setUninstallURL', args, cb); },
 
 window.browser.pageAction = {
     setIcon: function (args, cb) { return ephy_message ('pageAction.setIcon', args, cb); },
@@ -105,7 +80,3 @@ window.browser.browserAction = {
       addListener: function (cb) { browser_listeners.push({callback: cb}); }
     }
 };
-
-// Compatibility with Chrome
-window.chrome = window.browser;
-
diff --git a/src/webextension/api/tabs.c b/src/webextension/api/tabs.c
index 88e4fe945..6587b7e63 100644
--- a/src/webextension/api/tabs.c
+++ b/src/webextension/api/tabs.c
@@ -156,8 +156,6 @@ tabs_handler_execute_script (EphyWebExtension *self,
   g_autofree char *code = NULL;
   EphyShell *shell = ephy_shell_get_default ();
 
-  g_message ("tabs_handler_execute_script");
-
   if (jsc_value_is_array (args)) {
     obj = jsc_value_object_get_property_at_index (args, 1);
   } else {
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