Add m-esr52 at 52.6.0

1 files changed, 167 insertions, 0 deletions

diff --git a/layout/forms/nsFileControlFrame.h b/layout/forms/nsFileControlFrame.h
new file mode 100644
index 000000000..55c51d426
--- /dev/null
+++ b/layout/forms/nsFileControlFrame.h
@@ -0,0 +1,167 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsFileControlFrame_h___
+#define nsFileControlFrame_h___
+
+#include "mozilla/Attributes.h"
+#include "nsBlockFrame.h"
+#include "nsIFormControlFrame.h"
+#include "nsIDOMEventListener.h"
+#include "nsIAnonymousContentCreator.h"
+#include "nsCOMPtr.h"
+
+class nsIDOMDataTransfer;
+class nsIDOMFileList;
+namespace mozilla {
+namespace dom {
+class BlobImpl;
+} // namespace dom
+} // namespace mozilla
+
+class nsFileControlFrame : public nsBlockFrame,
+                           public nsIFormControlFrame,
+                           public nsIAnonymousContentCreator
+{
+public:
+  explicit nsFileControlFrame(nsStyleContext* aContext);
+
+  virtual void Init(nsIContent*       aContent,
+                    nsContainerFrame* aParent,
+                    nsIFrame*         aPrevInFlow) override;
+
+  virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
+                                const nsRect&           aDirtyRect,
+                                const nsDisplayListSet& aLists) override;
+
+  NS_DECL_QUERYFRAME
+  NS_DECL_FRAMEARENA_HELPERS
+
+  // nsIFormControlFrame
+  virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue) override;
+  virtual void SetFocus(bool aOn, bool aRepaint) override;
+
+  virtual nscoord GetMinISize(nsRenderingContext *aRenderingContext) override;
+
+  virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
+
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult GetFrameName(nsAString& aResult) const override;
+#endif
+
+  virtual nsresult AttributeChanged(int32_t         aNameSpaceID,
+                                    nsIAtom*        aAttribute,
+                                    int32_t         aModType) override;
+  virtual void ContentStatesChanged(mozilla::EventStates aStates) override;
+  virtual bool IsLeaf() const override
+  {
+    return true;
+  }
+
+  // nsIAnonymousContentCreator
+  virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) override;
+  virtual void AppendAnonymousContentTo(nsTArray<nsIContent*>& aElements,
+                                        uint32_t aFilter) override;
+
+#ifdef ACCESSIBILITY
+  virtual mozilla::a11y::AccType AccessibleType() override;
+#endif
+
+  typedef bool (*AcceptAttrCallback)(const nsAString&, void*);
+
+protected:
+
+  class MouseListener;
+  friend class MouseListener;
+  class MouseListener : public nsIDOMEventListener {
+  public:
+    NS_DECL_ISUPPORTS
+
+    explicit MouseListener(nsFileControlFrame* aFrame)
+     : mFrame(aFrame)
+    {}
+
+    void ForgetFrame() {
+      mFrame = nullptr;
+    }
+
+  protected:
+    virtual ~MouseListener() {}
+
+    nsFileControlFrame* mFrame;
+  };
+
+  class SyncDisabledStateEvent;
+  friend class SyncDisabledStateEvent;
+  class SyncDisabledStateEvent : public mozilla::Runnable
+  {
+  public:
+    explicit SyncDisabledStateEvent(nsFileControlFrame* aFrame)
+      : mFrame(aFrame)
+    {}
+
+    NS_IMETHOD Run() override {
+      nsFileControlFrame* frame = static_cast<nsFileControlFrame*>(mFrame.GetFrame());
+      NS_ENSURE_STATE(frame);
+
+      frame->SyncDisabledState();
+      return NS_OK;
+    }
+
+  private:
+    nsWeakFrame mFrame;
+  };
+
+  class DnDListener: public MouseListener {
+  public:
+    explicit DnDListener(nsFileControlFrame* aFrame)
+      : MouseListener(aFrame)
+    {}
+
+    NS_DECL_NSIDOMEVENTLISTENER
+
+    nsresult GetBlobImplForWebkitDirectory(nsIDOMFileList* aFileList,
+                                           mozilla::dom::BlobImpl** aBlobImpl);
+
+    bool IsValidDropData(nsIDOMDataTransfer* aDOMDataTransfer);
+    bool CanDropTheseFiles(nsIDOMDataTransfer* aDOMDataTransfer, bool aSupportsMultiple);
+  };
+
+  virtual bool IsFrameOfType(uint32_t aFlags) const override
+  {
+    return nsBlockFrame::IsFrameOfType(aFlags &
+      ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
+  }
+
+  /**
+   * The text box input.
+   * @see nsFileControlFrame::CreateAnonymousContent
+   */
+  nsCOMPtr<nsIContent> mTextContent;
+  /**
+   * The button to open a file or directory picker.
+   * @see nsFileControlFrame::CreateAnonymousContent
+   */
+  nsCOMPtr<nsIContent> mBrowseFilesOrDirs;
+
+  /**
+   * Drag and drop mouse listener.
+   * This makes sure we don't get used after destruction.
+   */
+  RefPtr<DnDListener> mMouseListener;
+
+protected:
+  /**
+   * Sync the disabled state of the content with anonymous children.
+   */
+  void SyncDisabledState();
+
+  /**
+   * Updates the displayed value by using aValue.
+   */
+  void UpdateDisplayedValue(const nsAString& aValue, bool aNotify);
+};
+
+#endif // nsFileControlFrame_h___