Index: chrome/browser/instant/instant_overlay.h |
diff --git a/chrome/browser/instant/instant_overlay.h b/chrome/browser/instant/instant_overlay.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..e052e0c84c94ee9938d7c8e43c5555d2542c9e44 |
--- /dev/null |
+++ b/chrome/browser/instant/instant_overlay.h |
@@ -0,0 +1,95 @@ |
+// Copyright 2012 The Chromium Authors. All rights reserved. |
dhollowa
2013/01/22 22:34:58
nit: 2013
samarth
2013/01/25 21:08:40
Done.
|
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef CHROME_BROWSER_INSTANT_INSTANT_OVERLAY_H_ |
+#define CHROME_BROWSER_INSTANT_INSTANT_OVERLAY_H_ |
+ |
+#include <string> |
+ |
+#include "base/basictypes.h" |
+#include "base/compiler_specific.h" |
+#include "base/memory/scoped_ptr.h" |
+#include "base/string16.h" |
+#include "chrome/browser/history/history_types.h" |
+#include "chrome/browser/instant/instant_loader.h" |
+#include "chrome/browser/instant/instant_page.h" |
+ |
+class Profile; |
+ |
+// InstantOverlay is used to communicate with a preview WebContents that it owns |
+// and loads the "Instant URL" into. This preview can appear and disappear at |
+// will as the user types in the omnibox. |
+class InstantOverlay : public InstantPage, |
+ public InstantLoader::Delegate { |
+ public: |
+ // Returns the InstantOverlay for |contents| if it's used for Instant. |
+ static InstantOverlay* FromWebContents(const content::WebContents* contents); |
+ |
+ // Doesn't take ownership of |delegate|. |
+ InstantOverlay(InstantPage::Delegate* delegate, |
+ const std::string& instant_url); |
+ virtual ~InstantOverlay(); |
+ |
+ // Creates a new WebContents and loads |instant_url_| into it. Uses |
+ // |active_tab|, if non-NULL, to initialize the size of the WebContents. |
+ void InitContents(Profile* profile, |
+ const content::WebContents* active_tab); |
+ |
+ // Releases the overlay WebContents passing ownership to the caller. This |
+ // should be called when the overlay is committed. |
+ content::WebContents* ReleaseContents() WARN_UNUSED_RESULT; |
+ |
+ // Returns the URL that we're loading. |
+ const std::string& instant_url() const { return instant_url_; } |
+ |
+ // Returns whether the underlying contents is stale (i.e. was loaded too long |
+ // ago). |
+ bool is_stale() const { return is_stale_; } |
+ |
+ // Returns true if the mouse or a touch pointer is down due to activating the |
+ // preview contents. |
+ bool is_pointer_down_from_activate() const { |
+ return is_pointer_down_from_activate_; |
+ } |
+ |
+ // Returns info about the last navigation by the Instant page. If the page |
+ // hasn't navigated since the last Update(), the URL is empty. |
+ const history::HistoryAddPageArgs& last_navigation() const { |
+ return last_navigation_; |
+ } |
+ |
+ // Called by the history tab helper with information that it would have added |
+ // to the history service had this WebContents not been used for Instant. |
+ void DidNavigate(const history::HistoryAddPageArgs& add_page_args); |
+ |
+ // Returns true if the overlay is using |
+ // InstantController::kLocalOmniboxPopupURL as the |instant_url_|. |
+ bool IsUsingLocalPreview() const; |
+ |
+ // Overridden from InstantPage. |
+ virtual void Update(const string16& text, |
+ size_t selection_start, |
+ size_t selection_end, |
+ bool verbatim) OVERRIDE; |
+ |
+ private: |
+ // Overriden from InstantLoader::Delegate. |
+ virtual content::WebContents* ReplaceAndReleaseContents( |
+ content::WebContents* new_contents) OVERRIDE; |
+ virtual void OnFocus() OVERRIDE; |
+ virtual bool OnOpenURL() OVERRIDE; |
+ virtual void OnPointerDown() OVERRIDE; |
+ virtual void OnPointerRelease() OVERRIDE; |
+ virtual void OnStalePage() OVERRIDE; |
+ |
+ scoped_ptr<InstantLoader> loader_; |
dhollowa
2013/01/22 22:34:58
Can this be a direct data member?
samarth
2013/01/25 21:08:40
It couldn't before because of the forward-declared
|
+ const std::string instant_url_; |
+ bool is_stale_; |
+ bool is_pointer_down_from_activate_; |
+ history::HistoryAddPageArgs last_navigation_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(InstantOverlay); |
+}; |
+ |
+#endif // CHROME_BROWSER_INSTANT_INSTANT_OVERLAY_H_ |