[epiphany] ephy-web-view: Add default-zoom-level option for new pages

[Michael Catanzaro <mcatanzaro src gnome org>]

commit a555cdf0a6adb0a7483dd1c128501d8260a642de
Author: Jan-Michael Brummer <jan brummer tabos org>
Date:   Sun Feb 11 18:05:55 2018 +0100

    ephy-web-view: Add default-zoom-level option for new pages
    
    Value of default-zoom-level option will zoom new pages to the the selected level. This will improve the 
web experience on hidpi screen.
    
    Closes: https://bugzilla.gnome.org/show_bug.cgi?id=621067

 data/org.gnome.epiphany.gschema.xml |    4 ++++
 embed/ephy-web-view.c               |   11 +++++++++--
 lib/ephy-prefs.h                    |    4 +++-
 3 files changed, 16 insertions(+), 3 deletions(-)
---
diff --git a/data/org.gnome.epiphany.gschema.xml b/data/org.gnome.epiphany.gschema.xml
index 981968d..a802099 100644
--- a/data/org.gnome.epiphany.gschema.xml
+++ b/data/org.gnome.epiphany.gschema.xml
@@ -232,6 +232,10 @@
                        <summary>Google Safe Browsing API key</summary>
                        <description>The API key used to access the Google Safe Browsing API v4.</description>
                </key>
+               <key type="d" name="default-zoom-level">
+                       <default>1.0</default>
+                       <summary>Default zoom level for new pages</summary>
+               </key>
        </schema>
        <schema id="org.gnome.Epiphany.state">
                <key type="s" name="download-dir">
diff --git a/embed/ephy-web-view.c b/embed/ephy-web-view.c
index 2aa3d67..50de188 100644
--- a/embed/ephy-web-view.c
+++ b/embed/ephy-web-view.c
@@ -1581,6 +1581,7 @@ get_host_for_url_cb (gpointer service,
   EphyHistoryHost *host;
   EphyWebView *view;
   double current_zoom;
+  double set_zoom;
 
   if (success == FALSE)
     return;
@@ -1590,9 +1591,15 @@ get_host_for_url_cb (gpointer service,
 
   current_zoom = webkit_web_view_get_zoom_level (WEBKIT_WEB_VIEW (view));
 
-  if (host->zoom_level != current_zoom) {
+  if (host->visit_count == 0) {
+    set_zoom = g_settings_get_double (EPHY_SETTINGS_WEB, EPHY_PREFS_WEB_DEFAULT_ZOOM_LEVEL);
+  } else {
+    set_zoom = host->zoom_level;
+  }
+
+  if (set_zoom != current_zoom) {
     view->is_setting_zoom = TRUE;
-    webkit_web_view_set_zoom_level (WEBKIT_WEB_VIEW (view), host->zoom_level);
+    webkit_web_view_set_zoom_level (WEBKIT_WEB_VIEW (view), set_zoom);
     view->is_setting_zoom = FALSE;
   }
 
diff --git a/lib/ephy-prefs.h b/lib/ephy-prefs.h
index 3f35920..84f2ff1 100644
--- a/lib/ephy-prefs.h
+++ b/lib/ephy-prefs.h
@@ -101,6 +101,7 @@ static const char * const ephy_prefs_state_schema[] = {
 #define EPHY_PREFS_WEB_ENABLE_SITE_SPECIFIC_QUIRKS "enable-site-specific-quirks"
 #define EPHY_PREFS_WEB_ENABLE_SAFE_BROWSING        "enable-safe-browsing"
 #define EPHY_PREFS_WEB_GSB_API_KEY                 "gsb-api-key"
+#define EPHY_PREFS_WEB_DEFAULT_ZOOM_LEVEL          "default-zoom-level"
 
 static const char * const ephy_prefs_web_schema[] = {
   EPHY_PREFS_WEB_FONT_MIN_SIZE,
@@ -124,7 +125,8 @@ static const char * const ephy_prefs_web_schema[] = {
   EPHY_PREFS_WEB_REMEMBER_PASSWORDS,
   EPHY_PREFS_WEB_ENABLE_SITE_SPECIFIC_QUIRKS,
   EPHY_PREFS_WEB_ENABLE_SAFE_BROWSING,
-  EPHY_PREFS_WEB_GSB_API_KEY
+  EPHY_PREFS_WEB_GSB_API_KEY,
+  EPHY_PREFS_WEB_DEFAULT_ZOOM_LEVEL
 };
 
 #define EPHY_PREFS_SCHEMA                             "org.gnome.Epiphany"