Add spell checker support

Integrate chromium spell checker:
* add spellchecker and dependencies to build
* underline misspelled words in html text areas
* right-click context menu shows up to 4 options to
  correct the misspelled word
* toggle spell check from context menu
* add new qml and widget api calls to qwebengineprofile
  to enable/disable spell check, select spell check language,
  get list of supported languages/dictionaries
* register new qml spell check properties for QtWebEngine 1.3
* CONFIG+="no_spellcheck" to remove spellcheck support

Change-Id: Ie61434ab9493597d7759a6f33794f6859c4e3a4c
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@theqtcompany.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/src/core/browser_context_qt.h b/src/core/browser_context_qt.h
index 1513bf4bc..6a4b65b6b 100644
--- a/src/core/browser_context_qt.h
+++ b/src/core/browser_context_qt.h
@@ -47,6 +47,14 @@
 
 #include <QtCore/qcompilerdetection.h> // Needed for Q_DECL_OVERRIDE
 
+#if defined(ENABLE_SPELLCHECK)
+QT_BEGIN_NAMESPACE
+class QStringList;
+QT_END_NAMESPACE
+class TestingPrefStore;
+class PrefService;
+#endif
+
 namespace QtWebEngineCore {
 
 class BrowserContextAdapter;
@@ -81,6 +89,14 @@ public:
 
     BrowserContextAdapter *adapter() { return m_adapter; }
 
+#if defined(ENABLE_SPELLCHECK)
+    QStringList spellCheckLanguages(const QStringList &acceptLanguages);
+    void setSpellCheckLanguage(const QString &language);
+    QString spellCheckLanguage() const;
+    void setSpellCheckEnabled(bool enabled);
+    bool isSpellCheckEnabled() const;
+#endif
+
 private:
     friend class ContentBrowserClientQt;
     friend class WebContentsAdapter;
@@ -88,6 +104,10 @@ private:
     scoped_refptr<URLRequestContextGetterQt> url_request_getter_;
     scoped_ptr<PermissionManagerQt> permissionManager;
     BrowserContextAdapter *m_adapter;
+#if defined(ENABLE_SPELLCHECK)
+    scoped_refptr<TestingPrefStore> m_prefStore;
+    scoped_ptr<PrefService> m_prefService;
+#endif
     friend class BrowserContextAdapter;
 
     DISALLOW_COPY_AND_ASSIGN(BrowserContextQt);